refactor: hrp convert

2026-05-13 07:49:44 +08:00 · 2022-05-24 13:36:34 +08:00
parent 85e5b26ee3
commit ff9df1a251
37 changed files with 2245 additions and 626 deletions
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -9,6 +9,7 @@
 - fix: step request elapsed timing should contain ContentTransfer part
 - fix #1288: unable to go get httprunner v4
 - feat: support converting Postman collection to HttpRunner testcase
+- refactor: improve the extensibility of `hrp convert` using interface `ICaseConverter`

 **python version**

--- a/docs/cmd/hrp.md
+++ b/docs/cmd/hrp.md
@@ -30,10 +30,10 @@ Copyright 2017 debugtalk
 ### SEE ALSO

 * [hrp boom](hrp_boom.md)	 - run load test with boomer
-* [hrp convert](hrp_convert.md)	 - convert JSON/YAML testcases to pytest/gotest scripts
+* [hrp convert](hrp_convert.md)	 - convert external cases to JSON/YAML/gotest/pytest testcases
 * [hrp har2case](hrp_har2case.md)	 - convert HAR to json/yaml testcase files
 * [hrp pytest](hrp_pytest.md)	 - run API test with pytest
 * [hrp run](hrp_run.md)	 - run API test with go engine
 * [hrp startproject](hrp_startproject.md)	 - create a scaffold project

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_boom.md
+++ b/docs/cmd/hrp_boom.md
@@ -41,4 +41,4 @@ hrp boom [flags]

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_convert.md
+++ b/docs/cmd/hrp_convert.md
@@ -1,6 +1,6 @@
 ## hrp convert

-convert JSON/YAML testcases to pytest/gotest scripts
+convert external cases to JSON/YAML/gotest/pytest testcases

 ```
 hrp convert $path... [flags]
@@ -9,13 +9,17 @@ hrp convert $path... [flags]
 ### Options

 ```
-      --gotest   convert to gotest scripts (TODO)
-  -h, --help     help for convert
-      --pytest   convert to pytest scripts (default true)
+  -h, --help                help for convert
+  -d, --output-dir string   specify output directory, default to the same dir with har file
+  -p, --profile string      specify profile path to override headers (except for auto-generated headers) and cookies
+      --to-gotest           convert to gotest scripts (TODO)
+      --to-json             convert to JSON scripts (default)
+      --to-pytest           convert to pytest scripts
+      --to-yaml             convert to YAML scripts
 ```

 ### SEE ALSO

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_har2case.md
+++ b/docs/cmd/hrp_har2case.md
@@ -24,4 +24,4 @@ hrp har2case $har_path... [flags]

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_postman2case.md
+++ b/docs/cmd/hrp_postman2case.md
@@ -1,26 +0,0 @@
-## hrp postman2case
-
-convert postman collection to json/yaml testcase files
-
-### Synopsis
-
-convert postman collection to json/yaml testcase files
-
-```
-hrp postman2case $postman_path... [flags]
-```
-
-### Options
-
-```
-  -h, --help                help for postman2case
-  -d, --output-dir string   specify output directory, default to the same dir with postman collection file
-  -j, --to-json             convert to JSON format (default true)
-  -y, --to-yaml             convert to YAML format
-```
-
-### SEE ALSO
-
-* [hrp](hrp.md)	 - Next-Generation API Testing Solution.
-
-###### Auto generated by spf13/cobra on 12-May-2022
--- a/docs/cmd/hrp_pytest.md
+++ b/docs/cmd/hrp_pytest.md
@@ -16,4 +16,4 @@ hrp pytest $path ... [flags]

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_run.md
+++ b/docs/cmd/hrp_run.md
@@ -35,4 +35,4 @@ hrp run $path... [flags]

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/docs/cmd/hrp_startproject.md
+++ b/docs/cmd/hrp_startproject.md
@@ -20,4 +20,4 @@ hrp startproject $project_name [flags]

 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.

-###### Auto generated by spf13/cobra on 9-May-2022
+###### Auto generated by spf13/cobra on 23-May-2022
--- a/examples/data/har/profile_override.yml
+++ b/examples/data/har/profile_override.yml
@@ -1,3 +1,4 @@
+override: true
 headers:
    Content-Type: "application/x-www-form-urlencoded"
 cookies:
--- a/examples/data/postman2case/patch.yml
+++ b/examples/data/postman2case/patch.yml
@@ -1,4 +0,0 @@
-headers:
-  User-Agent: "this header will be created or updated"
-cookies:
-  Cookie1: "this cookie will be created or updated"
--- a/examples/data/postman2case/profile.yml
+++ b/examples/data/postman2case/profile.yml
@@ -1,4 +1,4 @@
 headers:
-  Header1: "all original headers will be overridden"
+  User-Agent: "this header will be created or updated"
 cookies:
-  Cookie1: "all original cookies will be overridden"
+  Cookie1: "this cookie will be created or updated"
--- a/examples/data/postman2case/profile_override.yml
+++ b/examples/data/postman2case/profile_override.yml
@@ -0,0 +1,5 @@
+override: true
+headers:
+  Header1: "all original headers will be overridden"
+cookies:
+  Cookie1: "all original cookies will be overridden"
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,7 @@ require (
 	github.com/denisbrodbeck/machineid v1.0.1
 	github.com/fatih/color v1.13.0
 	github.com/getsentry/sentry-go v0.13.0
+	github.com/go-openapi/spec v0.20.6
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/websocket v1.4.1
 	github.com/httprunner/funplugin v0.4.5
--- a/go.sum
+++ b/go.sum
@@ -88,6 +88,7 @@ github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -131,6 +132,16 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
 github.com/go-martini/martini v0.0.0-20170121215854-22fa46961aab/go.mod h1:/P9AEU963A2AYjv4d1V5eVL1CQbEJq6aCNHDDjibzu8=
+github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
+github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
+github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
+github.com/go-openapi/jsonreference v0.20.0 h1:MYlu0sBgChmCfJxxUKZ8g1cPWFOB37YSZqewK7OKeyA=
+github.com/go-openapi/jsonreference v0.20.0/go.mod h1:Ag74Ico3lPc+zR+qjn4XBUmXymS4zJbYVCZmcgkasdo=
+github.com/go-openapi/spec v0.20.6 h1:ich1RQ3WDbfoeTqTAb+5EIxNmpKVJZWBNah9RAT0jIQ=
+github.com/go-openapi/spec v0.20.6/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
+github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
+github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
+github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
@@ -262,6 +273,8 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
+github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
+github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
@@ -288,16 +301,20 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/labstack/echo/v4 v4.5.0/go.mod h1:czIriw4a0C1dFun+ObrXp7ok03xON0N1awStJ6ArI7Y=
 github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
+github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
+github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
+github.com/mailru/easyjson v0.7.6 h1:8yTIVnZgCoiM1TgqoeTl+LfU5Jg6/xL3QhGQnimLYnA=
+github.com/mailru/easyjson v0.7.6/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/maja42/goval v1.2.1 h1:fyEgzddqPgCZsKcFLk4C6SdCHyEaAHYvtZG4mGzQOHU=
 github.com/maja42/goval v1.2.1/go.mod h1:42LU+BQXL/veE9jnTTUOSj38GRmOTSThYSXRVodI5J4=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
@@ -348,6 +365,8 @@ github.com/nats-io/jwt v0.3.0/go.mod h1:fRYCDE99xlTsqUzISS1Bi75UBJ6ljOJQOAAu5Vgl
 github.com/nats-io/nats.go v1.9.1/go.mod h1:ZjDU1L/7fJ09jvUSRVBR2e7+RnLiiIQyqyzEE/Zbp4w=
 github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
@@ -837,8 +856,9 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
@@ -854,6 +874,7 @@ gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/hrp/cmd/convert.go
+++ b/hrp/cmd/convert.go
@@ -2,48 +2,61 @@ package cmd

 import (
 	"errors"
-	"os"

-	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"

-	"github.com/httprunner/httprunner/v4/hrp/internal/convert/case2script"
+	"github.com/httprunner/httprunner/v4/hrp/internal/convert"
 )

 var convertCmd = &cobra.Command{
 	Use:   "convert $path...",
-	Short: "convert JSON/YAML testcases to pytest/gotest scripts",
-	Args:  cobra.ExactValidArgs(1),
+	Short: "convert external cases to JSON/YAML/gotest/pytest testcases",
+	Args:  cobra.MinimumNArgs(1),
 	PreRun: func(cmd *cobra.Command, args []string) {
 		setLogLevel(logLevel)
 	},
 	RunE: func(cmd *cobra.Command, args []string) error {
-		// TODO: integrate har2case, postman2case, etc. in convert command (forward compatibility)
-		if !pytestFlag && !gotestFlag {
-			return errors.New("please specify convertion type")
+		var flagCount int
+		var outputType convert.OutputType
+		if toJSONFlag {
+			flagCount++
 		}
-
-		var err error
-		if gotestFlag {
-			err = case2script.Convert2TestScripts("gotest", args...)
-		} else {
-			err = case2script.Convert2TestScripts("pytest", args...)
+		if toYAMLFlag {
+			flagCount++
+			outputType = convert.OutputTypeYAML
 		}
-		if err != nil {
-			log.Error().Err(err).Msg("convert test scripts failed")
-			os.Exit(1)
+		if toGoTestFlag {
+			flagCount++
+			outputType = convert.OutputTypeGoTest
 		}
+		if toPyTestFlag {
+			flagCount++
+			outputType = convert.OutputTypePyTest
+		}
+		if flagCount > 1 {
+			return errors.New("please specify at most one conversion flag")
+		}
+		iCaseConverters := convert.LoadConverters(outputType, outputDir, profilePath, args)
+		convert.Run(iCaseConverters)
 		return nil
 	},
 }

 var (
-	pytestFlag bool
-	gotestFlag bool
+	toJSONFlag   bool
+	toYAMLFlag   bool
+	toGoTestFlag bool
+	toPyTestFlag bool
+	outputDir    string
+	profilePath  string
 )

 func init() {
 	rootCmd.AddCommand(convertCmd)
-	convertCmd.Flags().BoolVar(&pytestFlag, "pytest", true, "convert to pytest scripts")
-	convertCmd.Flags().BoolVar(&gotestFlag, "gotest", false, "convert to gotest scripts (TODO)")
+	convertCmd.Flags().BoolVar(&toPyTestFlag, "to-pytest", false, "convert to pytest scripts")
+	convertCmd.Flags().BoolVar(&toGoTestFlag, "to-gotest", false, "convert to gotest scripts (TODO)")
+	convertCmd.Flags().BoolVar(&toJSONFlag, "to-json", false, "convert to JSON scripts (default)")
+	convertCmd.Flags().BoolVar(&toYAMLFlag, "to-yaml", false, "convert to YAML scripts")
+	convertCmd.Flags().StringVarP(&outputDir, "output-dir", "d", "", "specify output directory, default to the same dir with har file")
+	convertCmd.Flags().StringVarP(&profilePath, "profile", "p", "", "specify profile path to override headers (except for auto-generated headers) and cookies")
 }
--- a/hrp/cmd/har2case.go
+++ b/hrp/cmd/har2case.go
@@ -40,11 +40,6 @@ var har2caseCmd = &cobra.Command{
 				har.SetProfile(har2caseProfilePath)
 			}

-			// specify profile
-			if har2casePatchPath != "" {
-				har.SetPatch(har2casePatchPath)
-			}
-
 			// generate json/yaml files
 			if har2caseGenYAMLFlag {
 				outputPath, err = har.GenYAML()
@@ -66,7 +61,6 @@ var (
 	har2caseGenYAMLFlag bool
 	har2caseOutputDir   string
 	har2caseProfilePath string
-	har2casePatchPath   string
 )

 func init() {
@@ -75,5 +69,4 @@ func init() {
 	har2caseCmd.Flags().BoolVarP(&har2caseGenYAMLFlag, "to-yaml", "y", false, "convert to YAML format")
 	har2caseCmd.Flags().StringVarP(&har2caseOutputDir, "output-dir", "d", "", "specify output directory, default to the same dir with har file")
 	har2caseCmd.Flags().StringVarP(&har2caseProfilePath, "profile", "p", "", "specify profile path to override headers and cookies")
-	har2caseCmd.Flags().StringVarP(&har2casePatchPath, "patch", "r", "", "specify the path of the file used to replace headers and cookies")
 }
--- a/hrp/cmd/postman2case.go
+++ b/hrp/cmd/postman2case.go
@@ -1,79 +0,0 @@
-package cmd
-
-import (
-	"errors"
-
-	"github.com/rs/zerolog/log"
-	"github.com/spf13/cobra"
-
-	"github.com/httprunner/httprunner/v4/hrp/internal/convert/postman2case"
-)
-
-// postman2caseCmd represents the postman2case command
-var postman2caseCmd = &cobra.Command{
-	Use:   "postman2case $postman_path...",
-	Short: "convert postman collection to json/yaml testcase files",
-	Long:  `convert postman collection to json/yaml testcase files`,
-	Args:  cobra.MinimumNArgs(1),
-	PreRun: func(cmd *cobra.Command, args []string) {
-		setLogLevel(logLevel)
-	},
-	RunE: func(cmd *cobra.Command, args []string) error {
-		var outputFiles []string
-		for _, arg := range args {
-			// must choose one
-			if !postman2caseGenJSONFlag && !postman2caseGenYAMLFlag {
-				return errors.New("please select convert format type")
-			}
-			var outputPath string
-			var err error
-
-			collection := postman2case.NewCollection(arg)
-
-			// specify output dir
-			if postman2caseOutputDir != "" {
-				collection.SetOutputDir(postman2caseOutputDir)
-			}
-
-			// specify profile path
-			if postman2caseProfilePath != "" {
-				collection.SetProfile(postman2caseProfilePath)
-			}
-
-			// specify patch path
-			if postman2casePatchPath != "" {
-				collection.SetPatch(postman2casePatchPath)
-			}
-
-			// generate json/yaml files
-			if postman2caseGenYAMLFlag {
-				outputPath, err = collection.GenYAML()
-			} else {
-				outputPath, err = collection.GenJSON() // default
-			}
-			if err != nil {
-				return err
-			}
-			outputFiles = append(outputFiles, outputPath)
-		}
-		log.Info().Strs("output", outputFiles).Msg("convert testcase success")
-		return nil
-	},
-}
-
-var (
-	postman2caseGenJSONFlag bool
-	postman2caseGenYAMLFlag bool
-	postman2caseOutputDir   string
-	postman2caseProfilePath string
-	postman2casePatchPath   string
-)
-
-func init() {
-	rootCmd.AddCommand(postman2caseCmd)
-	postman2caseCmd.Flags().BoolVarP(&postman2caseGenJSONFlag, "to-json", "j", true, "convert to JSON format")
-	postman2caseCmd.Flags().BoolVarP(&postman2caseGenYAMLFlag, "to-yaml", "y", false, "convert to YAML format")
-	postman2caseCmd.Flags().StringVarP(&postman2caseOutputDir, "output-dir", "d", "", "specify output directory, default to the same dir with postman collection file")
-	postman2caseCmd.Flags().StringVarP(&postman2caseProfilePath, "profile", "p", "", "specify profile path to override original headers (except for Content-Type) and cookies")
-	postman2caseCmd.Flags().StringVarP(&postman2casePatchPath, "patch", "r", "", "specify patch path to create or update headers and cookies")
-}
--- a/hrp/internal/builtin/utils.go
+++ b/hrp/internal/builtin/utils.go
@@ -285,7 +285,8 @@ func LoadFile(path string, structObj interface{}) (err error) {
 	if err != nil {
 		return errors.Wrap(err, "read file failed")
 	}
-
+	// remove BOM at the beginning of file
+	file = bytes.Trim(file, "\xef\xbb\xbf")
 	ext := filepath.Ext(path)
 	switch ext {
 	case ".json", ".har":
@@ -351,3 +352,9 @@ func readFile(path string) ([]byte, error) {
 	}
 	return file, nil
 }
+
+func GetOutputNameWithoutExtension(path string) string {
+	base := filepath.Base(path)
+	ext := filepath.Ext(base)
+	return base[0:len(base)-len(ext)] + "_test"
+}
--- a/hrp/internal/convert/README.md
+++ b/hrp/internal/convert/README.md
@@ -0,0 +1,68 @@
+# hrp convert
+
+## 快速上手
+```shell
+$ hrp convert -h
+convert external cases to JSON/YAML/gotest/pytest testcases
+
+Usage:
+  hrp convert $path... [flags]
+
+Flags:
+  -h, --help                help for convert
+  -d, --output-dir string   specify output directory, default to the same dir with har file
+  -p, --profile string      specify profile path to override headers (except for auto-generated headers) and cookies
+      --to-gotest           convert to gotest scripts (TODO)
+      --to-json             convert to JSON scripts (default true)
+      --to-pytest           convert to pytest scripts
+      --to-yaml             convert to YAML scripts
+
+Global Flags:
+      --log-json           set log to json format
+  -l, --log-level string   set log level (default "INFO")
+```
+`hrp convert` 指令用于将 HAR/Postman/JMeter/Swagger 等格式的外部脚本转化为 JSON/YAML/gotest/pytest 形态的测试用例，同时也支持测试用例各个形态之间的相互转化，输出的测试用例文件名格式为 `不带扩展名的原文件名称` + `_test` + `json/yaml/go/py` 后缀。
+
+该指令的所有参数的详细介绍如下：
+
+1. `--to-json / --to-yaml / --to-gotest / --to-pytest` 用于将输入的外部脚本转化为对应形态的测试用例，四个参数中最多只能指定一个，如果不指定则默认会将输入转化为 JSON 形态的测试用例
+2. `--output-dir` 后接测试用例的期望输出目录的路径，用于将转换生成的测试用例输出到对应的文件夹
+3. `--profile` 后接 `profile` 配置文件的路径，目前支持替换（不存在则会创建）或者覆盖输入的外部脚本/测试用例中的 `Headers` 和 `Cookies` 信息，`profile` 文件的后缀可以为 `json/yaml/yml`，下面给出两类 `profile` 配置文件的示例:
+- 根据 `profile` 替换指定的 `Headers` 和 `Cookies` 信息
+```yaml
+headers:
+  Header1: "this header will be created or updated"
+cookies:
+  Cookie1: "this cookie will be created or updated"
+
+```
+- 根据 `profile` 覆盖原有的 `Headers` 和 `Cookies` 信息
+```yaml
+override: true
+headers:
+  Header1: "all original headers will be overridden"
+cookies:
+  Cookie1: "all original cookies will be overridden"
+```
+
+## 注意事项
+1. 指定 `override` 为 `false/true` 可以选择 `profile` 的修改模式为替换/覆盖。需要注意的是，如果不指定该字段则 `profile` 的默认修改模式为**替换**模式，
+2. 输入为 JSON/YAML 测试用例时，良好兼容 Golang/Python 双引擎之间的差异（请求体、断言部分的格式略有不同），输出的 JSON/YAML 则统一采用 Golang 引擎的风格 
+
+
+## 转换流程图
+
+![flow chart](asset/flowgram.svg)
+
+## 开发进度
+
+| from \ to | JSON | YAML | GoTest | PyTest |
+|:---------:|:----:|:----:|:------:|:------:|
+|    HAR    |  ✅   |  ✅   |   ❌    |   ✅    |
+|  Postman  |  ✅   |  ✅   |   ❌    |   ✅    |
+|  JMeter   |  ❌   |  ❌   |   ❌    |   ❌    |
+|  Swagger  |  ❌   |  ❌   |   ❌    |   ❌    |
+|   JSON    |  ✅   |  ✅   |   ❌    |   ✅    |
+|   YAML    |  ✅   |  ✅   |   ❌    |   ✅    |
+|  GoTest   |  ❌   |  ❌   |   ❌    |   ❌    |
+|  PyTest   |  ❌   |  ❌   |   ❌    |   ❌    |
--- a/hrp/internal/convert/asset/flowgram.svg
+++ b/hrp/internal/convert/asset/flowgram.svg
--- a/hrp/internal/convert/case2script/main.go
+++ b/hrp/internal/convert/case2script/main.go
@@ -1,120 +0,0 @@
-package case2script
-
-import (
-	_ "embed"
-	"fmt"
-	"os"
-
-	"github.com/rs/zerolog/log"
-
-	"github.com/httprunner/httprunner/v4/hrp"
-	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
-	"github.com/httprunner/httprunner/v4/hrp/internal/sdk"
-	"github.com/httprunner/httprunner/v4/hrp/internal/version"
-)
-
-func Convert2TestScripts(destType string, paths ...string) error {
-	// report event
-	sdk.SendEvent(sdk.EventTracking{
-		Category: "ConvertTests",
-		Action:   fmt.Sprintf("hrp convert --%s", destType),
-	})
-
-	if destType == "gotest" {
-		return convert2GoTestScripts(paths...)
-	} else {
-		// default to pytest
-		return convert2PyTestScripts(paths...)
-	}
-}
-
-func convert2PyTestScripts(paths ...string) error {
-	httprunner := fmt.Sprintf("httprunner>=%s", version.HttpRunnerMinVersion)
-	python3, err := builtin.EnsurePython3Venv(httprunner)
-	if err != nil {
-		return err
-	}
-
-	args := append([]string{"-m", "httprunner", "make"}, paths...)
-	return builtin.ExecCommand(python3, args...)
-}
-
-func convert2GoTestScripts(paths ...string) error {
-	log.Warn().Msg("convert to gotest scripts is not supported yet")
-	os.Exit(1)
-
-	// TODO
-	var testCasePaths []hrp.ITestCase
-	for _, path := range paths {
-		testCasePath := hrp.TestCasePath(path)
-		testCasePaths = append(testCasePaths, &testCasePath)
-	}
-
-	testCases, err := hrp.LoadTestCases(testCasePaths...)
-	if err != nil {
-		log.Error().Err(err).Msg("failed to load testcases")
-		return err
-	}
-
-	var pytestPaths []string
-	for _, testCase := range testCases {
-		tc := testCase.ToTCase()
-		converter := CaseConverter{
-			TCase: tc,
-		}
-		pytestPath, err := converter.ToPyTest()
-		if err != nil {
-			log.Error().Err(err).
-				Str("originPath", tc.Config.Path).
-				Msg("convert to pytest failed")
-			continue
-		}
-		log.Info().
-			Str("pytestPath", pytestPath).
-			Str("originPath", tc.Config.Path).
-			Msg("convert to pytest success")
-		pytestPaths = append(pytestPaths, pytestPath)
-	}
-
-	// format pytest scripts with black
-	python3, err := builtin.EnsurePython3Venv("black")
-	if err != nil {
-		return err
-	}
-	args := append([]string{"-m", "black"}, pytestPaths...)
-	return builtin.ExecCommand(python3, args...)
-}
-
-//go:embed testcase.tmpl
-var testcaseTemplate string
-
-type CaseConverter struct {
-	*hrp.TCase
-}
-
-func (c *CaseConverter) ToPyTest() (string, error) {
-	script := convertConfig(c.TCase.Config)
-	println(script)
-	return script, nil
-}
-
-func (c *CaseConverter) ToGoTest() (string, error) {
-	return "", nil
-}
-
-func convertConfig(config *hrp.TConfig) string {
-	script := fmt.Sprintf("Config('%s')", config.Name)
-
-	if config.Variables != nil {
-		script += fmt.Sprintf(".variables(**{%v})", config.Variables)
-	}
-	if config.BaseURL != "" {
-		script += fmt.Sprintf(".base_url('%s')", config.BaseURL)
-	}
-	if config.Export != nil {
-		script += fmt.Sprintf(".export(*%v)", config.Export)
-	}
-	script += fmt.Sprintf(".verify(%v)", config.Verify)
-
-	return script
-}
--- a/hrp/internal/convert/converter.go
+++ b/hrp/internal/convert/converter.go
@@ -0,0 +1,374 @@
+package convert
+
+import (
+	_ "embed"
+	"fmt"
+	"os"
+	"path/filepath"
+	"reflect"
+
+	"github.com/go-openapi/spec"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+	"github.com/httprunner/httprunner/v4/hrp/internal/sdk"
+)
+
+const (
+	suffixJSON   = ".json"
+	suffixYAML   = ".yaml"
+	suffixGoTest = ".go"
+	suffixPyTest = ".py"
+)
+
+type InputType int
+
+const (
+	InputTypeUnknown InputType = iota // default input type: unknown
+	InputTypeHAR
+	InputTypePostman
+	InputTypeSwagger
+	InputTypeJMeter
+	InputTypeJSON
+	InputTypeYAML
+	InputTypeGoTest
+	InputTypePyTest
+)
+
+func (inputType InputType) String() string {
+	switch inputType {
+	case InputTypeHAR:
+		return "har"
+	case InputTypePostman:
+		return "postman"
+	case InputTypeSwagger:
+		return "swagger"
+	case InputTypeJMeter:
+		return "jmeter"
+	case InputTypeJSON:
+		return "json testcase"
+	case InputTypeYAML:
+		return "yaml testcase"
+	case InputTypeGoTest:
+		return "gotest script"
+	case InputTypePyTest:
+		return "pytest script"
+	default:
+		return "unknown"
+	}
+}
+
+type OutputType int
+
+const (
+	OutputTypeJSON OutputType = iota // default output type: JSON
+	OutputTypeYAML
+	OutputTypeGoTest
+	OutputTypePyTest
+)
+
+func (outputType OutputType) String() string {
+	switch outputType {
+	case OutputTypeYAML:
+		return "yaml"
+	case OutputTypeGoTest:
+		return "gotest"
+	case OutputTypePyTest:
+		return "pytest"
+	default:
+		return "json"
+	}
+}
+
+// TCaseConverter holds the common properties of case converter
+type TCaseConverter struct {
+	InputPath   string
+	OutputDir   string
+	Profile     *Profile
+	InputType   InputType
+	OutputType  OutputType
+	CaseHAR     *CaseHar
+	CasePostman *CasePostman
+	CaseSwagger *spec.Swagger
+	TCase       *hrp.TCase
+}
+
+// Profile is used to override or update(create if not existed) original headers and cookies
+type Profile struct {
+	Override bool              `json:"override" yaml:"override"`
+	Headers  map[string]string `json:"headers" yaml:"headers"`
+	Cookies  map[string]string `json:"cookies" yaml:"cookies"`
+}
+
+func NewTCaseConverter(path string) (tCaseConverter *TCaseConverter) {
+	tCaseConverter = &TCaseConverter{
+		InputPath: path,
+		InputType: InputTypeUnknown,
+	}
+	extName := filepath.Ext(path)
+	if extName == "" {
+		log.Warn().Msg("extension name should be specified")
+		return
+	}
+	var err error
+	switch extName {
+	case ".har":
+		caseHAR := new(CaseHar)
+		err = builtin.LoadFile(path, caseHAR)
+		if err == nil && !reflect.DeepEqual(*caseHAR, CaseHar{}) {
+			tCaseConverter.InputType = InputTypeHAR
+			tCaseConverter.CaseHAR = caseHAR
+		}
+	case ".json":
+		tCase := new(hrp.TCase)
+		err = builtin.LoadFile(path, tCase)
+		if err == nil && !reflect.DeepEqual(*tCase, hrp.TCase{}) {
+			tCaseConverter.InputType = InputTypeJSON
+			tCaseConverter.TCase = tCase
+			break
+		}
+		casePostman := new(CasePostman)
+		err = builtin.LoadFile(path, casePostman)
+		if err == nil && !reflect.DeepEqual(*casePostman, CasePostman{}) {
+			tCaseConverter.InputType = InputTypePostman
+			tCaseConverter.CasePostman = casePostman
+			break
+		}
+		caseSwagger := new(spec.Swagger)
+		err = builtin.LoadFile(path, caseSwagger)
+		if err == nil && !reflect.DeepEqual(*caseSwagger, spec.Swagger{}) {
+			tCaseConverter.InputType = InputTypeSwagger
+			tCaseConverter.CaseSwagger = caseSwagger
+		}
+	case ".yaml", ".yml":
+		tCase := new(hrp.TCase)
+		err = builtin.LoadFile(path, tCase)
+		if err == nil && !reflect.DeepEqual(*tCase, hrp.TCase{}) {
+			tCaseConverter.InputType = InputTypeYAML
+			tCaseConverter.TCase = tCase
+			break
+		}
+		caseSwagger := new(spec.Swagger)
+		err = builtin.LoadFile(path, caseSwagger)
+		if err == nil && !reflect.DeepEqual(*caseSwagger, spec.Swagger{}) {
+			tCaseConverter.InputType = InputTypeSwagger
+			tCaseConverter.CaseSwagger = caseSwagger
+		}
+	case ".go": // TODO
+		tCaseConverter.InputType = InputTypeGoTest
+	case ".py": // TODO
+		tCaseConverter.InputType = InputTypePyTest
+	case ".jmx": // TODO
+		tCaseConverter.InputType = InputTypeJMeter
+	default:
+		log.Warn().
+			Str("input path", tCaseConverter.InputPath).
+			Msgf("unsupported file type: %v", extName)
+	}
+	if tCaseConverter.InputType != InputTypeUnknown {
+		log.Info().
+			Str("input path", tCaseConverter.InputPath).
+			Msgf("load case as: %s", tCaseConverter.InputType.String())
+	} else {
+		log.Error().Err(err).
+			Str("input path", tCaseConverter.InputPath).
+			Msgf("failed to load case")
+	}
+	return
+}
+
+func (c *TCaseConverter) SetProfile(path string) {
+	log.Info().Str("input path", c.InputPath).Str("profile", path).Msg("set profile")
+	profile := new(Profile)
+	err := builtin.LoadFile(path, profile)
+	if err != nil {
+		log.Warn().Str("path", path).
+			Msg("failed to load profile, ignore!")
+		return
+	}
+	c.Profile = profile
+}
+
+func (c *TCaseConverter) SetOutputDir(dir string) {
+	log.Info().Str("input path", c.InputPath).Str("output directory", dir).Msg("set output directory")
+	c.OutputDir = dir
+}
+
+func (c *TCaseConverter) genOutputPath(suffix string) string {
+	outFileFullName := builtin.GetOutputNameWithoutExtension(c.InputPath) + suffix
+	if c.OutputDir != "" {
+		return filepath.Join(c.OutputDir, outFileFullName)
+	} else {
+		return filepath.Join(filepath.Dir(c.InputPath), outFileFullName)
+	}
+	// TODO avoid outFileFullName conflict?
+}
+
+func (c *TCaseConverter) ToPyTest() (string, error) {
+	script := convertConfig(c.TCase.Config)
+	println(script)
+	return script, nil
+}
+
+func convertConfig(config *hrp.TConfig) string {
+	script := fmt.Sprintf("Config('%s')", config.Name)
+
+	if config.Variables != nil {
+		script += fmt.Sprintf(".variables(**{%v})", config.Variables)
+	}
+	if config.BaseURL != "" {
+		script += fmt.Sprintf(".base_url('%s')", config.BaseURL)
+	}
+	if config.Export != nil {
+		script += fmt.Sprintf(".export(*%v)", config.Export)
+	}
+	script += fmt.Sprintf(".verify(%v)", config.Verify)
+
+	return script
+}
+
+func (c *TCaseConverter) ToGoTest() (string, error) {
+	return "", nil
+}
+
+// ICaseConverter represents all kinds of case converters which could convert case into JSON/YAML/gotest/pytest format
+type ICaseConverter interface {
+	Struct() *TCaseConverter
+	ToJSON() (string, error)
+	ToJSONTemp() (string, error)
+	ToYAML() (string, error)
+	ToGoTest() (string, error)
+	ToPyTest() (string, error)
+}
+
+func LoadConverters(outputType OutputType, outputDir, profilePath string, args []string) []ICaseConverter {
+	// report event
+	sdk.SendEvent(sdk.EventTracking{
+		Category: "ConvertTests",
+		Action:   fmt.Sprintf("hrp convert --to-%s", outputType.String()),
+	})
+
+	var iCaseConverters []ICaseConverter
+	for _, arg := range args {
+		tCaseConverter := NewTCaseConverter(arg)
+		tCaseConverter.OutputType = outputType
+		if outputDir != "" {
+			tCaseConverter.SetOutputDir(outputDir)
+		}
+		if profilePath != "" {
+			tCaseConverter.SetProfile(profilePath)
+		}
+		switch tCaseConverter.InputType {
+		case InputTypeHAR:
+			iCaseConverters = append(iCaseConverters, NewConverterHAR(tCaseConverter))
+		case InputTypePostman:
+			iCaseConverters = append(iCaseConverters, NewConverterPostman(tCaseConverter))
+		case InputTypeJSON:
+			iCaseConverters = append(iCaseConverters, NewConverterJSON(tCaseConverter))
+		case InputTypeYAML:
+			iCaseConverters = append(iCaseConverters, NewConverterYAML(tCaseConverter))
+		case InputTypeSwagger, InputTypeJMeter, InputTypeGoTest, InputTypePyTest:
+			log.Warn().
+				Str("input path", tCaseConverter.InputPath).
+				Msg("case type not supported yet, ignore!")
+		default:
+			log.Warn().
+				Str("input path", tCaseConverter.InputPath).
+				Msg("unknown case type, ignore!")
+		}
+	}
+	return iCaseConverters
+}
+
+func Run(iCaseConverters []ICaseConverter) {
+	var outputFiles []string
+	var err error
+	for _, iCaseConverter := range iCaseConverters {
+		log.Info().Str("input path", iCaseConverter.Struct().InputPath).Msg("start converting")
+		var outputFile string
+		switch iCaseConverter.Struct().OutputType {
+		case OutputTypeYAML:
+			outputFile, err = iCaseConverter.ToYAML()
+		case OutputTypeGoTest:
+			outputFile, err = iCaseConverter.ToGoTest()
+		case OutputTypePyTest:
+			outputFile, err = iCaseConverter.ToPyTest()
+		default:
+			outputFile, err = iCaseConverter.ToJSON()
+		}
+		if err != nil {
+			log.Error().Err(err).
+				Str("input path", iCaseConverter.Struct().InputPath).
+				Msg("error occurs during converting")
+			continue
+		}
+		outputFiles = append(outputFiles, outputFile)
+	}
+	log.Info().Strs("output files", outputFiles).Msg("conversion completed")
+}
+
+func makeTestCaseFromJSONYAML(iCaseConverter ICaseConverter) (*hrp.TCase, error) {
+	tCase := iCaseConverter.Struct().TCase
+	if tCase == nil {
+		return nil, errors.Errorf("empty json/yaml testcase occurs")
+	}
+	profile := iCaseConverter.Struct().Profile
+	if profile == nil {
+		return tCase, nil
+	}
+	for _, step := range tCase.TestSteps {
+		// override original headers and cookies
+		if profile.Override {
+			step.Request.Headers = make(map[string]string)
+			step.Request.Cookies = make(map[string]string)
+		}
+		// update (create if not existed) original headers and cookies
+		if step.Request.Headers == nil {
+			step.Request.Headers = make(map[string]string)
+		}
+		if step.Request.Cookies == nil {
+			step.Request.Cookies = make(map[string]string)
+		}
+		for k, v := range profile.Headers {
+			step.Request.Headers[k] = v
+		}
+		for k, v := range profile.Cookies {
+			step.Request.Cookies[k] = v
+		}
+	}
+	return tCase, nil
+}
+
+func convertToPyTest(iCaseConverter ICaseConverter) (string, error) {
+	// convert to temporary json testcase compatible with python engine style
+	jsonPath, err := iCaseConverter.ToJSONTemp()
+	inputType := iCaseConverter.Struct().InputType
+	if err != nil {
+		return "", errors.Wrapf(err, "(%s -> pytest step 1) failed to convert to temporary json testcase", inputType.String())
+	}
+	defer func() {
+		if jsonPath != "" {
+			if err = os.Remove(jsonPath); err != nil {
+				log.Error().Err(err).Msgf("(%s -> pytest step defer) failed to clean temporary json testcase", inputType.String())
+			}
+		}
+	}()
+
+	// convert from temporary json testcase to pytest
+	converterJSON := NewConverterJSON(NewTCaseConverter(jsonPath))
+	pyTestPath, err := converterJSON.MakePyTestScript()
+	if err != nil {
+		return "", errors.Wrap(err, "(json -> pytest step 2) failed to convert from temporary json testcase to pytest ")
+	}
+
+	// rename resultant pytest
+	renamedPyTestPath := iCaseConverter.Struct().genOutputPath(suffixPyTest)
+	err = os.Rename(pyTestPath, renamedPyTestPath)
+	if err != nil {
+		log.Error().Err(err).Msg("(json -> pytest step 3) failed to rename the resultant pytest file")
+		return pyTestPath, nil
+	}
+	return renamedPyTestPath, nil
+}
--- a/hrp/internal/convert/converter_gotest.go
+++ b/hrp/internal/convert/converter_gotest.go
@@ -0,0 +1,60 @@
+package convert
+
+import (
+	_ "embed"
+	"os"
+
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+)
+
+func convert2GoTestScripts(paths ...string) error {
+	log.Warn().Msg("convert to gotest scripts is not supported yet")
+	os.Exit(1)
+
+	// TODO
+	var testCasePaths []hrp.ITestCase
+	for _, path := range paths {
+		testCasePath := hrp.TestCasePath(path)
+		testCasePaths = append(testCasePaths, &testCasePath)
+	}
+
+	testCases, err := hrp.LoadTestCases(testCasePaths...)
+	if err != nil {
+		log.Error().Err(err).Msg("failed to load testcases")
+		return err
+	}
+
+	var pytestPaths []string
+	for _, testCase := range testCases {
+		tc := testCase.ToTCase()
+		converter := TCaseConverter{
+			TCase: tc,
+		}
+		pytestPath, err := converter.ToPyTest()
+		if err != nil {
+			log.Error().Err(err).
+				Str("originPath", tc.Config.Path).
+				Msg("convert to pytest failed")
+			continue
+		}
+		log.Info().
+			Str("pytestPath", pytestPath).
+			Str("originPath", tc.Config.Path).
+			Msg("convert to pytest success")
+		pytestPaths = append(pytestPaths, pytestPath)
+	}
+
+	// format pytest scripts with black
+	python3, err := builtin.EnsurePython3Venv("black")
+	if err != nil {
+		return err
+	}
+	args := append([]string{"-m", "black"}, pytestPaths...)
+	return builtin.ExecCommand(python3, args...)
+}
+
+//go:embed testcase.tmpl
+var testcaseTemplate string
--- a/hrp/internal/convert/converter_har.go
+++ b/hrp/internal/convert/converter_har.go
@@ -0,0 +1,716 @@
+package convert
+
+import (
+	"encoding/base64"
+	"fmt"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+	"net/url"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+	"github.com/httprunner/httprunner/v4/hrp/internal/json"
+)
+
+// ==================== model definition starts here ====================
+
+/*
+HTTP Archive (HAR) format
+https://w3c.github.io/web-performance/specs/HAR/Overview.html
+this file is copied from https://github.com/mrichman/hargo/blob/master/types.go
+*/
+
+// CaseHar is a container type for deserialization
+type CaseHar struct {
+	Log Log `json:"log"`
+}
+
+// Log represents the root of the exported data. This object MUST be present and its name MUST be "log".
+type Log struct {
+	// The object contains the following name/value pairs:
+
+	// Required. Version number of the format.
+	Version string `json:"version"`
+	// Required. An object of type creator that contains the name and version
+	// information of the log creator application.
+	Creator Creator `json:"creator"`
+	// Optional. An object of type browser that contains the name and version
+	// information of the user agent.
+	Browser Browser `json:"browser"`
+	// Optional. An array of objects of type page, each representing one exported
+	// (tracked) page. Leave out this field if the application does not support
+	// grouping by pages.
+	Pages []Page `json:"pages,omitempty"`
+	// Required. An array of objects of type entry, each representing one
+	// exported (tracked) HTTP request.
+	Entries []Entry `json:"entries"`
+	// Optional. A comment provided by the user or the application. Sorting
+	// entries by startedDateTime (starting from the oldest) is preferred way how
+	// to export data since it can make importing faster. However the reader
+	// application should always make sure the array is sorted (if required for
+	// the import).
+	Comment string `json:"comment"`
+}
+
+// Creator contains information about the log creator application
+type Creator struct {
+	// Required. The name of the application that created the log.
+	Name string `json:"name"`
+	// Required. The version number of the application that created the log.
+	Version string `json:"version"`
+	// Optional. A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// Browser that created the log
+type Browser struct {
+	// Required. The name of the browser that created the log.
+	Name string `json:"name"`
+	// Required. The version number of the browser that created the log.
+	Version string `json:"version"`
+	// Optional. A comment provided by the user or the browser.
+	Comment string `json:"comment"`
+}
+
+// Page object for every exported web page and one <entry> object for every HTTP request.
+// In case when an HTTP trace tool isn't able to group requests by a page,
+// the <pages> object is empty and individual requests doesn't have a parent page.
+type Page struct {
+	/* There is one <page> object for every exported web page and one <entry>
+	object for every HTTP request. In case when an HTTP trace tool isn't able to
+	group requests by a page, the <pages> object is empty and individual
+	requests doesn't have a parent page.
+	*/
+
+	// Date and time stamp for the beginning of the page load
+	// (ISO 8601 YYYY-MM-DDThh:mm:ss.sTZD, e.g. 2009-07-24T19:20:30.45+01:00).
+	StartedDateTime string `json:"startedDateTime"`
+	// Unique identifier of a page within the . Entries use it to refer the parent page.
+	ID string `json:"id"`
+	// Page title.
+	Title string `json:"title"`
+	// Detailed timing info about page load.
+	PageTiming PageTiming `json:"pageTiming"`
+	// (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// PageTiming describes timings for various events (states) fired during the page load.
+// All times are specified in milliseconds. If a time info is not available appropriate field is set to -1.
+type PageTiming struct {
+	// Content of the page loaded. Number of milliseconds since page load started
+	// (page.startedDateTime). Use -1 if the timing does not apply to the current
+	// request.
+	// Depeding on the browser, onContentLoad property represents DOMContentLoad
+	// event or document.readyState == interactive.
+	OnContentLoad int `json:"onContentLoad"`
+	// Page is loaded (onLoad event fired). Number of milliseconds since page
+	// load started (page.startedDateTime). Use -1 if the timing does not apply
+	// to the current request.
+	OnLoad int `json:"onLoad"`
+	// (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment"`
+}
+
+// Entry is a unique, optional Reference to the parent page.
+// Leave out this field if the application does not support grouping by pages.
+type Entry struct {
+	Pageref string `json:"pageref,omitempty"`
+	// Date and time stamp of the request start
+	// (ISO 8601 YYYY-MM-DDThh:mm:ss.sTZD).
+	StartedDateTime string `json:"startedDateTime"`
+	// Total elapsed time of the request in milliseconds. This is the sum of all
+	// timings available in the timings object (i.e. not including -1 values) .
+	Time float32 `json:"time"`
+	// Detailed info about the request.
+	Request Request `json:"request"`
+	// Detailed info about the response.
+	Response Response `json:"response"`
+	// Info about cache usage.
+	Cache Cache `json:"cache"`
+	// Detailed timing info about request/response round trip.
+	PageTimings PageTimings `json:"pageTimings"`
+	// optional (new in 1.2) IP address of the server that was connected
+	// (result of DNS resolution).
+	ServerIPAddress string `json:"serverIPAddress,omitempty"`
+	// optional (new in 1.2) Unique ID of the parent TCP/IP connection, can be
+	// the client port number. Note that a port number doesn't have to be unique
+	// identifier in cases where the port is shared for more connections. If the
+	// port isn't available for the application, any other unique connection ID
+	// can be used instead (e.g. connection index). Leave out this field if the
+	// application doesn't support this info.
+	Connection string `json:"connection,omitempty"`
+	// (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// Request contains detailed info about performed request.
+type Request struct {
+	// Request method (GET, POST, ...).
+	Method string `json:"method"`
+	// Absolute URL of the request (fragments are not included).
+	URL string `json:"url"`
+	// Request HTTP Version.
+	HTTPVersion string `json:"httpVersion"`
+	// List of cookie objects.
+	Cookies []Cookie `json:"cookies"`
+	// List of header objects.
+	Headers []NVP `json:"headers"`
+	// List of query parameter objects.
+	QueryString []NVP `json:"queryString"`
+	// Posted data.
+	PostData PostData `json:"postData"`
+	// Total number of bytes from the start of the HTTP request message until
+	// (and including) the double CRLF before the body. Set to -1 if the info
+	// is not available.
+	HeaderSize int `json:"headerSize"`
+	// Size of the request body (POST data payload) in bytes. Set to -1 if the
+	// info is not available.
+	BodySize int `json:"bodySize"`
+	// (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment"`
+}
+
+// Response contains detailed info about the response.
+type Response struct {
+	// Response status.
+	Status int `json:"status"`
+	// Response status description.
+	StatusText string `json:"statusText"`
+	// Response HTTP Version.
+	HTTPVersion string `json:"httpVersion"`
+	// List of cookie objects.
+	Cookies []Cookie `json:"cookies"`
+	// List of header objects.
+	Headers []NVP `json:"headers"`
+	// Details about the response body.
+	Content Content `json:"content"`
+	// Redirection target URL from the Location response header.
+	RedirectURL string `json:"redirectURL"`
+	// Total number of bytes from the start of the HTTP response message until
+	// (and including) the double CRLF before the body. Set to -1 if the info is
+	// not available.
+	// The size of received response-headers is computed only from headers that
+	// are really received from the server. Additional headers appended by the
+	// browser are not included in this number, but they appear in the list of
+	// header objects.
+	HeadersSize int `json:"headersSize"`
+	// Size of the received response body in bytes. Set to zero in case of
+	// responses coming from the cache (304). Set to -1 if the info is not
+	// available.
+	BodySize int `json:"bodySize"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// Cookie contains list of all cookies (used in <request> and <response> objects).
+type Cookie struct {
+	// The name of the cookie.
+	Name string `json:"name"`
+	// The cookie value.
+	Value string `json:"value"`
+	// optional The path pertaining to the cookie.
+	Path string `json:"path,omitempty"`
+	// optional The host of the cookie.
+	Domain string `json:"domain,omitempty"`
+	// optional Cookie expiration time.
+	// (ISO 8601 YYYY-MM-DDThh:mm:ss.sTZD, e.g. 2009-07-24T19:20:30.123+02:00).
+	Expires string `json:"expires,omitempty"`
+	// optional Set to true if the cookie is HTTP only, false otherwise.
+	HTTPOnly bool `json:"httpOnly,omitempty"`
+	// optional (new in 1.2) True if the cookie was transmitted over ssl, false
+	// otherwise.
+	Secure bool `json:"secure,omitempty"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment bool `json:"comment,omitempty"`
+}
+
+// NVP is simply a name/value pair with a comment
+type NVP struct {
+	Name    string `json:"name"`
+	Value   string `json:"value"`
+	Comment string `json:"comment,omitempty"`
+}
+
+// PostData describes posted data, if any (embedded in <request> object).
+type PostData struct {
+	//  Mime type of posted data.
+	MimeType string `json:"mimeType"`
+	//  List of posted parameters (in case of URL encoded parameters).
+	Params []PostParam `json:"params"`
+	//  Plain text posted data
+	Text string `json:"text"`
+	// optional (new in 1.2) A comment provided by the user or the
+	// application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// PostParam is a list of posted parameters, if any (embedded in <postData> object).
+type PostParam struct {
+	// name of a posted parameter.
+	Name string `json:"name"`
+	// optional value of a posted parameter or content of a posted file.
+	Value string `json:"value,omitempty"`
+	// optional name of a posted file.
+	FileName string `json:"fileName,omitempty"`
+	// optional content type of a posted file.
+	ContentType string `json:"contentType,omitempty"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// Content describes details about response content (embedded in <response> object).
+type Content struct {
+	// Length of the returned content in bytes. Should be equal to
+	// response.bodySize if there is no compression and bigger when the content
+	// has been compressed.
+	Size int `json:"size"`
+	// optional Number of bytes saved. Leave out this field if the information
+	// is not available.
+	Compression int `json:"compression,omitempty"`
+	// MIME type of the response text (value of the Content-Type response
+	// header). The charset attribute of the MIME type is included (if
+	// available).
+	MimeType string `json:"mimeType"`
+	// optional Response body sent from the server or loaded from the browser
+	// cache. This field is populated with textual content only. The text field
+	// is either HTTP decoded text or a encoded (e.g. "base64") representation of
+	// the response body. Leave out this field if the information is not
+	// available.
+	Text string `json:"text,omitempty"`
+	// optional (new in 1.2) Encoding used for response text field e.g
+	// "base64". Leave out this field if the text field is HTTP decoded
+	// (decompressed & unchunked), than trans-coded from its original character
+	// set into UTF-8.
+	Encoding string `json:"encoding,omitempty"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// Cache contains info about a request coming from browser cache.
+type Cache struct {
+	// optional State of a cache entry before the request. Leave out this field
+	// if the information is not available.
+	BeforeRequest CacheObject `json:"beforeRequest,omitempty"`
+	// optional State of a cache entry after the request. Leave out this field if
+	// the information is not available.
+	AfterRequest CacheObject `json:"afterRequest,omitempty"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// CacheObject is used by both beforeRequest and afterRequest
+type CacheObject struct {
+	// optional - Expiration time of the cache entry.
+	Expires string `json:"expires,omitempty"`
+	// The last time the cache entry was opened.
+	LastAccess string `json:"lastAccess"`
+	// Etag
+	ETag string `json:"eTag"`
+	// The number of times the cache entry has been opened.
+	HitCount int `json:"hitCount"`
+	// optional (new in 1.2) A comment provided by the user or the application.
+	Comment string `json:"comment,omitempty"`
+}
+
+// PageTimings describes various phases within request-response round trip.
+// All times are specified in milliseconds.
+type PageTimings struct {
+	Blocked int `json:"blocked,omitempty"`
+	// optional - Time spent in a queue waiting for a network connection. Use -1
+	// if the timing does not apply to the current request.
+	DNS int `json:"dns,omitempty"`
+	// optional - DNS resolution time. The time required to resolve a host name.
+	// Use -1 if the timing does not apply to the current request.
+	Connect int `json:"connect,omitempty"`
+	// optional - Time required to create TCP connection. Use -1 if the timing
+	// does not apply to the current request.
+	Send int `json:"send"`
+	// Time required to send HTTP request to the server.
+	Wait int `json:"wait"`
+	// Waiting for a response from the server.
+	Receive int `json:"receive"`
+	// Time required to read entire response from the server (or cache).
+	Ssl int `json:"ssl,omitempty"`
+	// optional (new in 1.2) - Time required for SSL/TLS negotiation. If this
+	// field is defined then the time is also included in the connect field (to
+	// ensure backward compatibility with HAR 1.1). Use -1 if the timing does not
+	// apply to the current request.
+	Comment string `json:"comment,omitempty"`
+	// optional (new in 1.2) - A comment provided by the user or the application.
+}
+
+// TestResult contains results for an individual HTTP request
+type TestResult struct {
+	URL       string    `json:"url"`
+	Status    int       `json:"status"` // 200, 500, etc.
+	StartTime time.Time `json:"startTime"`
+	EndTime   time.Time `json:"endTime"`
+	Latency   int       `json:"latency"` // milliseconds
+	Method    string    `json:"method"`
+	HarFile   string    `json:"harfile"`
+}
+
+// ==================== model definition ends here ====================
+
+func NewConverterHAR(converter *TCaseConverter) *ConverterHAR {
+	return &ConverterHAR{
+		converter: converter,
+	}
+}
+
+type ConverterHAR struct {
+	converter *TCaseConverter
+}
+
+func (c *ConverterHAR) Struct() *TCaseConverter {
+	return c.converter
+}
+
+func (c *ConverterHAR) ToJSON() (string, error) {
+	tCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(tCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterHAR) ToJSONTemp() (string, error) {
+	tCase, err := c.makeTestCaseTemp()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(tCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterHAR) ToYAML() (string, error) {
+	tCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	yamlPath := c.converter.genOutputPath(suffixYAML)
+	err = builtin.Dump2YAML(tCase, yamlPath)
+	if err != nil {
+		return "", err
+	}
+	return yamlPath, nil
+}
+
+func (c *ConverterHAR) ToGoTest() (string, error) {
+	//TODO implement me
+	return "", errors.New("convert from har to gotest scripts is not supported yet")
+}
+
+func (c *ConverterHAR) ToPyTest() (string, error) {
+	return convertToPyTest(c)
+}
+
+func (c *ConverterHAR) makeTestCase() (*hrp.TCase, error) {
+	teststeps, err := c.prepareTestSteps()
+	if err != nil {
+		return nil, err
+	}
+
+	tCase := &hrp.TCase{
+		Config:    c.prepareConfig(),
+		TestSteps: teststeps,
+	}
+	err = tCase.MakeCompat2GoEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
+
+func (c *ConverterHAR) makeTestCaseTemp() (*hrp.TCase, error) {
+	teststeps, err := c.prepareTestSteps()
+	if err != nil {
+		return nil, err
+	}
+
+	tCase := &hrp.TCase{
+		Config:    c.prepareConfig(),
+		TestSteps: teststeps,
+	}
+	err = tCase.MakeCompat2PyEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
+
+func (c *ConverterHAR) load() (*CaseHar, error) {
+	har := c.converter.CaseHAR
+	if har == nil {
+		return nil, errors.New("empty har case occurs")
+	}
+	return har, nil
+}
+
+func (c *ConverterHAR) prepareConfig() *hrp.TConfig {
+	return hrp.NewConfig("testcase description").
+		SetVerifySSL(false)
+}
+
+func (c *ConverterHAR) prepareTestSteps() ([]*hrp.TStep, error) {
+	har, err := c.load()
+	if err != nil {
+		return nil, err
+	}
+
+	var steps []*hrp.TStep
+	for _, entry := range har.Log.Entries {
+		step, err := c.prepareTestStep(&entry)
+		if err != nil {
+			return nil, err
+		}
+		steps = append(steps, step)
+	}
+
+	return steps, nil
+}
+
+func (c *ConverterHAR) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
+	log.Info().
+		Str("method", entry.Request.Method).
+		Str("url", entry.Request.URL).
+		Msg("convert teststep")
+
+	step := &stepFromHAR{
+		TStep: hrp.TStep{
+			Request:    &hrp.Request{},
+			Validators: make([]interface{}, 0),
+		},
+		profile: c.converter.Profile,
+	}
+	if err := step.makeRequestMethod(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeRequestURL(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeRequestParams(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeRequestCookies(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeRequestHeaders(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeRequestBody(entry); err != nil {
+		return nil, err
+	}
+	if err := step.makeValidate(entry); err != nil {
+		return nil, err
+	}
+	return &step.TStep, nil
+}
+
+type stepFromHAR struct {
+	hrp.TStep
+	profile *Profile
+}
+
+func (s *stepFromHAR) makeRequestMethod(entry *Entry) error {
+	s.Request.Method = hrp.HTTPMethod(entry.Request.Method)
+	return nil
+}
+
+func (s *stepFromHAR) makeRequestURL(entry *Entry) error {
+	u, err := url.Parse(entry.Request.URL)
+	if err != nil {
+		log.Error().Err(err).Msg("make request url failed")
+		return err
+	}
+	s.Request.URL = fmt.Sprintf("%s://%s", u.Scheme, u.Host+u.Path)
+	return nil
+}
+
+func (s *stepFromHAR) makeRequestParams(entry *Entry) error {
+	s.Request.Params = make(map[string]interface{})
+	for _, param := range entry.Request.QueryString {
+		s.Request.Params[param.Name] = param.Value
+	}
+	return nil
+}
+
+func (s *stepFromHAR) makeRequestCookies(entry *Entry) error {
+	// use cookies from har
+	s.Request.Cookies = make(map[string]string)
+	for _, cookie := range entry.Request.Cookies {
+		s.Request.Cookies[cookie.Name] = cookie.Value
+	}
+
+	if s.profile == nil {
+		return nil
+	}
+	// override all cookies according to the profile
+	if s.profile.Override {
+		s.Request.Cookies = make(map[string]string)
+	}
+	// create or update the cookies according to the profile
+	for k, v := range s.profile.Cookies {
+		s.Request.Cookies[k] = v
+	}
+	return nil
+}
+
+func (s *stepFromHAR) makeRequestHeaders(entry *Entry) error {
+	// use headers from har
+	s.Request.Headers = make(map[string]string)
+	for _, header := range entry.Request.Headers {
+		if strings.EqualFold(header.Name, "cookie") {
+			continue
+		}
+		s.Request.Headers[header.Name] = header.Value
+	}
+
+	if s.profile == nil {
+		return nil
+	}
+	// override all headers according to the profile
+	if s.profile.Override {
+		s.Request.Headers = make(map[string]string)
+	}
+	// create or update the headers according to the profile
+	for k, v := range s.profile.Headers {
+		s.Request.Headers[k] = v
+	}
+	return nil
+}
+
+func (s *stepFromHAR) makeRequestBody(entry *Entry) error {
+	mimeType := entry.Request.PostData.MimeType
+	if mimeType == "" {
+		// GET/HEAD/DELETE without body
+		return nil
+	}
+
+	// POST/PUT with body
+	if strings.HasPrefix(mimeType, "application/json") {
+		// post json
+		var body interface{}
+		if entry.Request.PostData.Text == "" {
+			body = nil
+		} else {
+			err := json.Unmarshal([]byte(entry.Request.PostData.Text), &body)
+			if err != nil {
+				log.Error().Err(err).Msg("make request body failed")
+				return err
+			}
+		}
+		s.Request.Body = body
+	} else if strings.HasPrefix(mimeType, "application/x-www-form-urlencoded") {
+		// post form
+		var paramsList []string
+		for _, param := range entry.Request.PostData.Params {
+			paramsList = append(paramsList, fmt.Sprintf("%s=%s", param.Name, param.Value))
+		}
+		s.Request.Body = strings.Join(paramsList, "&")
+	} else if strings.HasPrefix(mimeType, "text/plain") {
+		// post raw data
+		s.Request.Body = entry.Request.PostData.Text
+	} else {
+		// TODO
+		log.Error().Msgf("makeRequestBody: Not implemented for mimeType %s", mimeType)
+	}
+	return nil
+}
+
+func (s *stepFromHAR) makeValidate(entry *Entry) error {
+	// make validator for response status code
+	s.Validators = append(s.Validators, hrp.Validator{
+		Check:   "status_code",
+		Assert:  "equals",
+		Expect:  entry.Response.Status,
+		Message: "assert response status code",
+	})
+
+	// make validators for response headers
+	for _, header := range entry.Response.Headers {
+		// assert Content-Type
+		if strings.EqualFold(header.Name, "Content-Type") {
+			s.Validators = append(s.Validators, hrp.Validator{
+				Check:   "headers.\"Content-Type\"",
+				Assert:  "equals",
+				Expect:  header.Value,
+				Message: "assert response header Content-Type",
+			})
+		}
+	}
+
+	// make validators for response body
+	respBody := entry.Response.Content
+	if respBody.Text == "" {
+		// response body is empty
+		return nil
+	}
+	if strings.HasPrefix(respBody.MimeType, "application/json") {
+		var data []byte
+		var err error
+		// response body is json
+		if respBody.Encoding == "base64" {
+			// decode base64 text
+			data, err = base64.StdEncoding.DecodeString(respBody.Text)
+			if err != nil {
+				return errors.Wrap(err, "decode base64 error")
+			}
+		} else if respBody.Encoding == "" {
+			// no encoding
+			data = []byte(respBody.Text)
+		} else {
+			// other encoding type
+			return nil
+		}
+		// convert to json
+		var body interface{}
+		if err = json.Unmarshal(data, &body); err != nil {
+			return errors.Wrap(err, "json.Unmarshal body error")
+		}
+		jsonBody, ok := body.(map[string]interface{})
+		if !ok {
+			return fmt.Errorf("response body is not json, not matched with MimeType")
+		}
+
+		// response body is json
+		keys := make([]string, 0, len(jsonBody))
+		for k := range jsonBody {
+			keys = append(keys, k)
+		}
+		// sort map keys to keep validators in stable order
+		sort.Strings(keys)
+		for _, key := range keys {
+			value := jsonBody[key]
+			switch v := value.(type) {
+			case map[string]interface{}:
+				continue
+			case []interface{}:
+				continue
+			default:
+				s.Validators = append(s.Validators, hrp.Validator{
+					Check:   fmt.Sprintf("body.%s", key),
+					Assert:  "equals",
+					Expect:  v,
+					Message: fmt.Sprintf("assert response body %s", key),
+				})
+			}
+		}
+	}
+
+	return nil
+}
--- a/hrp/internal/convert/converter_har_test.go
+++ b/hrp/internal/convert/converter_har_test.go
@@ -0,0 +1,373 @@
+package convert
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+)
+
+var (
+	harPath                = "../../../examples/data/har/demo.har"
+	harPath2               = "../../../examples/data/har/postman-echo.har"
+	harProfileOverridePath = "../../../examples/data/har/profile_override.yml"
+)
+
+var converterHAR = NewConverterHAR(NewTCaseConverter(harPath))
+var converterHAR2 = NewConverterHAR(NewTCaseConverter(harPath2))
+
+func TestHAR2JSON(t *testing.T) {
+	jsonPath, err := converterHAR.ToJSON()
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+	if !assert.NotEmpty(t, jsonPath) {
+		t.Fatal()
+	}
+}
+
+func TestHAR2YAML(t *testing.T) {
+	yamlPath, err := converterHAR2.ToYAML()
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+	if !assert.NotEmpty(t, yamlPath) {
+		t.Fatal()
+	}
+}
+
+func TestLoadHAR(t *testing.T) {
+	h, err := converterHAR.load()
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, "GET", h.Log.Entries[0].Request.Method) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, "POST", h.Log.Entries[1].Request.Method) {
+		t.Fatal()
+	}
+}
+
+func TestLoadHARWithProfile(t *testing.T) {
+	tCaseConverter := NewTCaseConverter(harPath)
+	tCaseConverter.SetProfile(harProfileOverridePath)
+	h := NewConverterHAR(tCaseConverter)
+	_, err := h.load()
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t,
+		map[string]string{"Content-Type": "application/x-www-form-urlencoded"},
+		h.converter.Profile.Headers) {
+		t.Fatal()
+	}
+	if !assert.Equal(t,
+		map[string]string{"UserName": "debugtalk"},
+		h.converter.Profile.Cookies) {
+		t.Fatal()
+	}
+}
+
+func TestMakeTestCaseFromHAR(t *testing.T) {
+	tCase, err := converterHAR.makeTestCase()
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	// make request method
+	if !assert.EqualValues(t, "GET", tCase.TestSteps[0].Request.Method) {
+		t.Fatal()
+	}
+	if !assert.EqualValues(t, "POST", tCase.TestSteps[1].Request.Method) {
+		t.Fatal()
+	}
+
+	// make request url
+	if !assert.Equal(t, "https://postman-echo.com/get", tCase.TestSteps[0].Request.URL) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, "https://postman-echo.com/post", tCase.TestSteps[1].Request.URL) {
+		t.Fatal()
+	}
+
+	// make request params
+	if !assert.Equal(t, "HDnY8", tCase.TestSteps[0].Request.Params["foo1"]) {
+		t.Fatal()
+	}
+
+	// make request cookies
+	if !assert.NotEmpty(t, tCase.TestSteps[1].Request.Cookies["sails.sid"]) {
+		t.Fatal()
+	}
+
+	// make request headers
+	if !assert.Equal(t, "HttpRunnerPlus", tCase.TestSteps[0].Request.Headers["User-Agent"]) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, "postman-echo.com", tCase.TestSteps[0].Request.Headers["Host"]) {
+		t.Fatal()
+	}
+
+	// make request data
+	if !assert.Equal(t, nil, tCase.TestSteps[0].Request.Body) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, map[string]interface{}{"foo1": "HDnY8", "foo2": 12.3}, tCase.TestSteps[1].Request.Body) {
+		t.Fatal()
+	}
+	if !assert.Equal(t, "foo1=HDnY8&foo2=12.3", tCase.TestSteps[2].Request.Body) {
+		t.Fatal()
+	}
+
+	// make validators
+	validator, ok := tCase.TestSteps[0].Validators[0].(hrp.Validator)
+	if !ok || !assert.Equal(t, "status_code", validator.Check) {
+		t.Fatal()
+	}
+	validator, ok = tCase.TestSteps[0].Validators[1].(hrp.Validator)
+	if !ok || !assert.Equal(t, "headers.\"Content-Type\"", validator.Check) {
+		t.Fatal()
+	}
+	validator, ok = tCase.TestSteps[0].Validators[2].(hrp.Validator)
+	if !ok || !assert.Equal(t, "body.url", validator.Check) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestURL(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			URL: "http://127.0.0.1:8080/api/login",
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, "http://127.0.0.1:8080/api/login", step.Request.URL) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestHeaders(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Headers: []NVP{
+				{Name: "Content-Type", Value: "application/json; charset=utf-8"},
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"Content-Type": "application/json; charset=utf-8",
+	}, step.Request.Headers) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestHeadersWithProfileOverride(t *testing.T) {
+	tCaseConverter := NewTCaseConverter(harPath)
+	tCaseConverter.SetProfile(harProfileOverridePath)
+	h := NewConverterHAR(tCaseConverter)
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Headers: []NVP{
+				{Name: "Content-Type", Value: "application/json; charset=utf-8"},
+			},
+		},
+	}
+	step, err := h.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"Content-Type": "application/x-www-form-urlencoded",
+	}, step.Request.Headers) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestCookies(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Cookies: []Cookie{
+				{Name: "abc", Value: "123"},
+				{Name: "UserName", Value: "leolee"},
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"abc":      "123",
+		"UserName": "leolee",
+	}, step.Request.Cookies) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestCookiesWithProfileOverride(t *testing.T) {
+	tCaseConverter := NewTCaseConverter(harPath)
+	tCaseConverter.SetProfile(harProfileOverridePath)
+	h := NewConverterHAR(tCaseConverter)
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Cookies: []Cookie{
+				{Name: "abc", Value: "123"},
+				{Name: "UserName", Value: "leolee"},
+			},
+		},
+	}
+	step, err := h.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"UserName": "debugtalk",
+	}, step.Request.Cookies) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestDataParams(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			PostData: PostData{
+				MimeType: "application/x-www-form-urlencoded; charset=utf-8",
+				Params: []PostParam{
+					{Name: "a", Value: "1"},
+					{Name: "b", Value: "2"},
+				},
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, "a=1&b=2", step.Request.Body) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestDataJSON(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			PostData: PostData{
+				MimeType: "application/json; charset=utf-8",
+				Text:     "{\"a\":\"1\",\"b\":\"2\"}",
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, map[string]interface{}{"a": "1", "b": "2"}, step.Request.Body) {
+		t.Fatal()
+	}
+}
+
+func TestMakeRequestDataTextEmpty(t *testing.T) {
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			PostData: PostData{
+				MimeType: "application/json; charset=utf-8",
+				Text:     "",
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, nil, step.Request.Body) { // TODO
+		t.Fatal()
+	}
+}
+
+func TestMakeValidate(t *testing.T) {
+	entry := &Entry{
+		Response: Response{
+			Status: 200,
+			Headers: []NVP{
+				{Name: "Content-Type", Value: "application/json; charset=utf-8"},
+			},
+			Content: Content{
+				Size:     71,
+				MimeType: "application/json; charset=utf-8",
+				// map[Code:200 IsSuccess:true Message:<nil> Value:map[BlnResult:true]]
+				Text:     "eyJJc1N1Y2Nlc3MiOnRydWUsIkNvZGUiOjIwMCwiTWVzc2FnZSI6bnVsbCwiVmFsdWUiOnsiQmxuUmVzdWx0Ijp0cnVlfX0=",
+				Encoding: "base64",
+			},
+		},
+	}
+	step, err := converterHAR.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+	validator, ok := step.Validators[0].(hrp.Validator)
+	if !ok {
+		t.Fatal()
+	}
+	if !assert.Equal(t, validator,
+		hrp.Validator{
+			Check:   "status_code",
+			Expect:  200,
+			Assert:  "equals",
+			Message: "assert response status code",
+		}) {
+		t.Fatal()
+	}
+
+	validator, ok = step.Validators[1].(hrp.Validator)
+	if !ok {
+		t.Fatal()
+	}
+	if !assert.Equal(t, validator,
+		hrp.Validator{
+			Check:   "headers.\"Content-Type\"",
+			Expect:  "application/json; charset=utf-8",
+			Assert:  "equals",
+			Message: "assert response header Content-Type",
+		}) {
+		t.Fatal()
+	}
+
+	validator, ok = step.Validators[2].(hrp.Validator)
+	if !ok {
+		t.Fatal()
+	}
+	if !assert.Equal(t, validator,
+		hrp.Validator{
+			Check:   "body.Code",
+			Expect:  float64(200), // TODO
+			Assert:  "equals",
+			Message: "assert response body Code",
+		}) {
+		t.Fatal()
+	}
+}
--- a/hrp/internal/convert/converter_json.go
+++ b/hrp/internal/convert/converter_json.go
@@ -0,0 +1,111 @@
+package convert
+
+import (
+	"fmt"
+
+	"github.com/pkg/errors"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+	"github.com/httprunner/httprunner/v4/hrp/internal/version"
+)
+
+func NewConverterJSON(converter *TCaseConverter) *ConverterJSON {
+	return &ConverterJSON{
+		converter: converter,
+	}
+}
+
+type ConverterJSON struct {
+	converter *TCaseConverter
+}
+
+func (c *ConverterJSON) Struct() *TCaseConverter {
+	return c.converter
+}
+
+func (c *ConverterJSON) ToJSON() (string, error) {
+	testCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(testCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterJSON) ToJSONTemp() (string, error) {
+	testCase, err := c.makeTestCaseTemp()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(testCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterJSON) ToYAML() (string, error) {
+	testCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	yamlPath := c.converter.genOutputPath(suffixYAML)
+	err = builtin.Dump2YAML(testCase, yamlPath)
+	if err != nil {
+		return "", err
+	}
+	return yamlPath, nil
+}
+
+func (c *ConverterJSON) ToGoTest() (string, error) {
+	//TODO implement me
+	return "", errors.New("convert from json testcase to gotest scripts is not supported yet")
+}
+
+func (c *ConverterJSON) ToPyTest() (string, error) {
+	return convertToPyTest(c)
+}
+
+func (c *ConverterJSON) MakePyTestScript() (string, error) {
+	httprunner := fmt.Sprintf("httprunner>=%s", version.HttpRunnerMinVersion)
+	python3, err := builtin.EnsurePython3Venv(httprunner)
+	if err != nil {
+		return "", err
+	}
+	args := append([]string{"-m", "httprunner", "make"}, c.converter.InputPath)
+	err = builtin.ExecCommand(python3, args...)
+	if err != nil {
+		return "", err
+	}
+	return c.converter.genOutputPath(suffixPyTest), nil
+}
+
+func (c *ConverterJSON) makeTestCase() (*hrp.TCase, error) {
+	tCase, err := makeTestCaseFromJSONYAML(c)
+	if err != nil {
+		return nil, err
+	}
+	err = tCase.MakeCompat2GoEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
+
+func (c *ConverterJSON) makeTestCaseTemp() (*hrp.TCase, error) {
+	tCase, err := makeTestCaseFromJSONYAML(c)
+	if err != nil {
+		return nil, err
+	}
+	err = tCase.MakeCompat2PyEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
--- a/hrp/internal/convert/converter_postman.go
+++ b/hrp/internal/convert/converter_postman.go
@@ -1,4 +1,4 @@
-package postman2case
+package convert

 import (
 	"bytes"
@@ -19,6 +19,83 @@ import (
 	"github.com/httprunner/httprunner/v4/hrp/internal/json"
 )

+// ==================== model definition starts here ====================
+
+/*
+Postman Collection format reference:
+https://schema.postman.com/json/collection/v2.0.0/collection.json
+https://schema.postman.com/json/collection/v2.1.0/collection.json
+*/
+
+// CasePostman represents the postman exported file
+type CasePostman struct {
+	Info  TInfo   `json:"info"`
+	Items []TItem `json:"item"`
+}
+
+// TInfo gives information about the collection
+type TInfo struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Schema      string `json:"schema"`
+}
+
+// TItem contains the detail information of request and expected responses
+// item could be defined recursively
+type TItem struct {
+	Items     []TItem     `json:"item"`
+	Name      string      `json:"name"`
+	Request   TRequest    `json:"request"`
+	Responses []TResponse `json:"response"`
+}
+
+type TRequest struct {
+	Method      string   `json:"method"`
+	Headers     []TField `json:"header"`
+	Body        TBody    `json:"body"`
+	URL         TUrl     `json:"url"`
+	Description string   `json:"description"`
+}
+
+type TResponse struct {
+	Name            string   `json:"name"`
+	OriginalRequest TRequest `json:"originalRequest"`
+	Status          string   `json:"status"`
+	Code            int      `json:"code"`
+	Headers         []TField `json:"headers"`
+	Body            string   `json:"body"`
+}
+
+type TUrl struct {
+	Raw         string   `json:"raw"`
+	Protocol    string   `json:"protocol"`
+	Path        []string `json:"path"`
+	Description string   `json:"description"`
+	Query       []TField `json:"query"`
+	Variable    []TField `json:"variable"`
+}
+
+type TField struct {
+	Key         string `json:"key"`
+	Value       string `json:"value"`
+	Src         string `json:"src"`
+	Description string `json:"description"`
+	Type        string `json:"type"`
+	Disabled    bool   `json:"disabled"`
+	Enable      bool   `json:"enable"`
+}
+
+type TBody struct {
+	Mode       string      `json:"mode"`
+	FormData   []TField    `json:"formdata"`
+	URLEncoded []TField    `json:"urlencoded"`
+	Raw        string      `json:"raw"`
+	Disabled   bool        `json:"disabled"`
+	Options    interface{} `json:"options"`
+}
+
+// ==================== model definition ends here ====================
+
 const (
 	enumBodyRaw        = "raw"
 	enumBodyUrlEncoded = "urlencoded"
@@ -32,19 +109,6 @@ const (
 	enumFieldTypeFile = "file"
 )

-const (
-	suffixName    = ".converted" // distinguish the converted json(testcase) from the origin json(collection)
-	extensionJSON = ".json"
-	extensionYAML = ".yaml"
-)
-
-const (
-	configProfile = "profile"
-	configPatch   = "patch"
-	keyHeaders    = "headers"
-	keyCookies    = "cookies"
-)
-
 var contentTypeMap = map[string]string{
 	"text":       "text/plain",
 	"javascript": "application/javascript",
@@ -53,119 +117,131 @@ var contentTypeMap = map[string]string{
 	"xml":        "application/xml",
 }

-func NewCollection(path string) *collection {
-	return &collection{
-		path: path,
+func NewConverterPostman(converter *TCaseConverter) *ConverterPostman {
+	return &ConverterPostman{
+		converter: converter,
 	}
 }

-type collection struct {
-	path      string
-	profile   map[string]interface{}
-	patch     map[string]interface{}
-	outputDir string
+type ConverterPostman struct {
+	converter *TCaseConverter
 }

-func (c *collection) SetProfile(path string) {
-	log.Info().Str("path", path).Msg("set profile")
-	c.profile = make(map[string]interface{})
-	err := builtin.LoadFile(path, c.profile)
-	if err != nil {
-		log.Warn().Str("path", path).
-			Msg("invalid profile format, ignore!")
-	}
+func (c *ConverterPostman) Struct() *TCaseConverter {
+	return c.converter
 }

-func (c *collection) SetPatch(path string) {
-	log.Info().Str("path", path).Msg("set patch")
-	c.patch = make(map[string]interface{})
-	err := builtin.LoadFile(path, c.patch)
-	if err != nil {
-		log.Warn().Str("path", path).
-			Msg("invalid patch format, ignore!")
-	}
-}
-
-func (c *collection) SetOutputDir(dir string) {
-	log.Info().Str("dir", dir).Msg("set output directory")
-	c.outputDir = dir
-}
-
-func (c *collection) GenJSON() (jsonPath string, err error) {
+func (c *ConverterPostman) ToJSON() (string, error) {
 	testCase, err := c.makeTestCase()
 	if err != nil {
 		return "", err
 	}
-	jsonPath = c.genOutputPath(extensionJSON)
+	jsonPath := c.converter.genOutputPath(suffixJSON)
 	err = builtin.Dump2JSON(testCase, jsonPath)
-	return
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
 }

-func (c *collection) GenYAML() (yamlPath string, err error) {
+func (c *ConverterPostman) ToJSONTemp() (string, error) {
+	testCase, err := c.makeTestCaseTemp()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(testCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterPostman) ToYAML() (string, error) {
 	testCase, err := c.makeTestCase()
 	if err != nil {
 		return "", err
 	}
-	yamlPath = c.genOutputPath(extensionYAML)
+	yamlPath := c.converter.genOutputPath(suffixYAML)
 	err = builtin.Dump2YAML(testCase, yamlPath)
-	return
-}
-
-func (c *collection) genOutputPath(suffix string) string {
-	file := getFilenameWithoutExtension(c.path) + suffix
-	if c.outputDir != "" {
-		return filepath.Join(c.outputDir, file)
-	} else {
-		return filepath.Join(filepath.Dir(c.path), file)
+	if err != nil {
+		return "", err
 	}
+	return yamlPath, nil
 }

-func getFilenameWithoutExtension(path string) string {
-	base := filepath.Base(path)
-	ext := filepath.Ext(base)
-	return base[0:len(base)-len(ext)] + suffixName
+func (c *ConverterPostman) ToGoTest() (string, error) {
+	//TODO implement me
+	return "", errors.New("convert from postman to gotest scripts is not supported yet")
 }

-func (c *collection) makeTestCase() (*hrp.TCase, error) {
-	tCollection, err := c.load()
+func (c *ConverterPostman) ToPyTest() (string, error) {
+	return convertToPyTest(c)
+}
+
+func (c *ConverterPostman) makeTestCase() (*hrp.TCase, error) {
+	casePostman, err := c.load()
 	if err != nil {
 		return nil, err
 	}
-	teststeps, err := c.prepareTestSteps(tCollection)
+	teststeps, err := c.prepareTestSteps(casePostman)
 	if err != nil {
 		return nil, err
 	}
 	tCase := &hrp.TCase{
-		Config:    c.prepareConfig(tCollection),
+		Config:    c.prepareConfig(casePostman),
 		TestSteps: teststeps,
 	}
+	err = tCase.MakeCompat2GoEngine()
+	if err != nil {
+		return nil, err
+	}
 	return tCase, nil
 }

-func (c *collection) load() (*TCollection, error) {
-	collection := &TCollection{}
-	err := builtin.LoadFile(c.path, collection)
+func (c *ConverterPostman) makeTestCaseTemp() (*hrp.TCase, error) {
+	casePostman, err := c.load()
 	if err != nil {
-		return nil, errors.Wrap(err, "load postman collection failed")
+		return nil, err
 	}
-	return collection, nil
+	teststeps, err := c.prepareTestSteps(casePostman)
+	if err != nil {
+		return nil, err
+	}
+	tCase := &hrp.TCase{
+		Config:    c.prepareConfig(casePostman),
+		TestSteps: teststeps,
+	}
+	err = tCase.MakeCompat2PyEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
 }

-func (c *collection) prepareConfig(tCollection *TCollection) *hrp.TConfig {
-	return hrp.NewConfig(tCollection.Info.Name).
+func (c *ConverterPostman) load() (*CasePostman, error) {
+	casePostman := c.converter.CasePostman
+	if casePostman == nil {
+		return nil, errors.New("empty postman case occurs")
+	}
+	return casePostman, nil
+}
+
+func (c *ConverterPostman) prepareConfig(casePostman *CasePostman) *hrp.TConfig {
+	return hrp.NewConfig(casePostman.Info.Name).
 		SetVerifySSL(false)
 }

-func (c *collection) prepareTestSteps(tCollection *TCollection) ([]*hrp.TStep, error) {
+func (c *ConverterPostman) prepareTestSteps(casePostman *CasePostman) ([]*hrp.TStep, error) {
 	// recursively convert collection items into a list
 	var itemList []TItem
-	for _, item := range tCollection.Items {
+	for _, item := range casePostman.Items {
 		extractItemList(item, &itemList)
 	}

 	var steps []*hrp.TStep
 	for _, item := range itemList {
-		step, err := c.prepareTestStep(&item)
+		step, err := c.prepareTestStep(&item, steps)
 		if err != nil {
 			return nil, err
 		}
@@ -191,19 +267,18 @@ func extractItemList(item TItem, itemList *[]TItem) {
 	}
 }

-func (c *collection) prepareTestStep(item *TItem) (*hrp.TStep, error) {
+func (c *ConverterPostman) prepareTestStep(item *TItem, steps []*hrp.TStep) (*hrp.TStep, error) {
 	log.Info().
 		Str("method", item.Request.Method).
 		Str("url", item.Request.URL.Raw).
 		Msg("convert teststep")

-	step := &tStep{
+	step := &stepFromPostman{
 		TStep: hrp.TStep{
 			Request:    &hrp.Request{},
 			Validators: make([]interface{}, 0),
 		},
-		profile: c.profile,
-		patch:   c.patch,
+		profile: c.converter.Profile,
 	}
 	if err := step.makeRequestName(item); err != nil {
 		return nil, err
@@ -223,30 +298,29 @@ func (c *collection) prepareTestStep(item *TItem) (*hrp.TStep, error) {
 	if err := step.makeRequestCookies(item); err != nil {
 		return nil, err
 	}
-	if err := step.makeRequestBody(item); err != nil {
+	if err := step.makeRequestBody(item, steps); err != nil {
 		return nil, err
 	}
 	return &step.TStep, nil
 }

-type tStep struct {
+type stepFromPostman struct {
 	hrp.TStep
-	profile map[string]interface{}
-	patch   map[string]interface{}
+	profile *Profile
 }

 // makeRequestName indicates the step name the same as item name
-func (s *tStep) makeRequestName(item *TItem) error {
+func (s *stepFromPostman) makeRequestName(item *TItem) error {
 	s.Name = item.Name
 	return nil
 }

-func (s *tStep) makeRequestMethod(item *TItem) error {
+func (s *stepFromPostman) makeRequestMethod(item *TItem) error {
 	s.Request.Method = hrp.HTTPMethod(item.Request.Method)
 	return nil
 }

-func (s *tStep) makeRequestURL(item *TItem) error {
+func (s *stepFromPostman) makeRequestURL(item *TItem) error {
 	rawUrl := item.Request.URL.Raw
 	// parse path variables like ":path" in https://postman-echo.com/:path?k1=v1&k2=v2
 	for _, field := range item.Request.URL.Variable {
@@ -261,7 +335,7 @@ func (s *tStep) makeRequestURL(item *TItem) error {
 	return nil
 }

-func (s *tStep) makeRequestParams(item *TItem) error {
+func (s *stepFromPostman) makeRequestParams(item *TItem) error {
 	s.Request.Params = make(map[string]interface{})
 	for _, field := range item.Request.URL.Query {
 		if field.Disabled {
@@ -272,44 +346,9 @@ func (s *tStep) makeRequestParams(item *TItem) error {
 	return nil
 }

-func (s *tStep) updateRequestInfo(config string, key string) bool {
-	var m map[string]interface{}
-	switch config {
-	case configProfile:
-		m = s.profile
-	case configPatch:
-		m = s.patch
-	default:
-		return false
-	}
-	iRequestMap, existed := m[key]
-	if existed {
-		requestMap, ok := iRequestMap.(map[string]interface{})
-		if ok {
-			for k, v := range requestMap {
-				switch key {
-				case keyHeaders:
-					s.Request.Headers[k] = fmt.Sprintf("%v", v)
-				case keyCookies:
-					s.Request.Cookies[k] = fmt.Sprintf("%v", v)
-				}
-			}
-			return true
-		}
-		log.Warn().Interface(key, iRequestMap).Msgf("%v from %v is not a map, ignore!", key, config)
-	}
-	return false
-}
-
-func (s *tStep) makeRequestHeaders(item *TItem) error {
-	s.Request.Headers = make(map[string]string)
-
-	// override all headers according to the profile
-	if s.updateRequestInfo(configProfile, keyHeaders) {
-		return nil
-	}
-
+func (s *stepFromPostman) makeRequestHeaders(item *TItem) error {
 	// headers defined in postman collection
+	s.Request.Headers = make(map[string]string)
 	for _, field := range item.Request.Headers {
 		if field.Disabled || strings.EqualFold(field.Key, "cookie") {
 			continue
@@ -317,20 +356,23 @@ func (s *tStep) makeRequestHeaders(item *TItem) error {
 		s.Request.Headers[field.Key] = field.Value
 	}

-	// create or update the headers indicated in the patch
-	s.updateRequestInfo(configPatch, keyHeaders)
+	if s.profile == nil {
+		return nil
+	}
+	// override all headers according to the profile
+	if s.profile.Override {
+		s.Request.Headers = make(map[string]string)
+	}
+	// create or update the headers according to the profile
+	for k, v := range s.profile.Headers {
+		s.Request.Headers[k] = v
+	}
 	return nil
 }

-func (s *tStep) makeRequestCookies(item *TItem) error {
-	s.Request.Cookies = make(map[string]string)
-
-	// override all cookies according to the profile
-	if s.updateRequestInfo(configProfile, keyCookies) {
-		return nil
-	}
-
+func (s *stepFromPostman) makeRequestCookies(item *TItem) error {
 	// cookies defined in postman collection
+	s.Request.Cookies = make(map[string]string)
 	for _, field := range item.Request.Headers {
 		if field.Disabled || !strings.EqualFold(field.Key, "cookie") {
 			continue
@@ -338,12 +380,21 @@ func (s *tStep) makeRequestCookies(item *TItem) error {
 		s.parseRequestCookiesMap(field.Value)
 	}

-	// create or update the cookies indicated in the patch
-	s.updateRequestInfo(configPatch, keyCookies)
+	if s.profile == nil {
+		return nil
+	}
+	// override all cookies according to the profile
+	if s.profile.Override {
+		s.Request.Cookies = make(map[string]string)
+	}
+	// create or update the cookies according to the profile
+	for k, v := range s.profile.Cookies {
+		s.Request.Cookies[k] = v
+	}
 	return nil
 }

-func (s *tStep) parseRequestCookiesMap(cookies string) {
+func (s *stepFromPostman) parseRequestCookiesMap(cookies string) {
 	for _, cookie := range strings.Split(cookies, ";") {
 		cookie = strings.TrimSpace(cookie)
 		index := strings.Index(cookie, "=")
@@ -351,11 +402,11 @@ func (s *tStep) parseRequestCookiesMap(cookies string) {
 			log.Warn().Str("cookie", cookie).Msg("cookie format invalid")
 			continue
 		}
-		s.Request.Cookies[cookie[0:index]] = cookie[index+1:]
+		s.Request.Cookies[cookie[:index]] = cookie[index+1:]
 	}
 }

-func (s *tStep) makeRequestBody(item *TItem) error {
+func (s *stepFromPostman) makeRequestBody(item *TItem, steps []*hrp.TStep) error {
 	mode := item.Request.Body.Mode
 	if mode == "" {
 		return nil
@@ -364,7 +415,7 @@ func (s *tStep) makeRequestBody(item *TItem) error {
 	case enumBodyRaw:
 		return s.makeRequestBodyRaw(item)
 	case enumBodyFormData:
-		return s.makeRequestBodyFormData(item)
+		return s.makeRequestBodyFormData(item, steps)
 	case enumBodyUrlEncoded:
 		return s.makeRequestBodyUrlEncoded(item)
 	case enumBodyFile, enumBodyGraphQL:
@@ -373,7 +424,7 @@ func (s *tStep) makeRequestBody(item *TItem) error {
 	return nil
 }

-func (s *tStep) makeRequestBodyRaw(item *TItem) (err error) {
+func (s *stepFromPostman) makeRequestBodyRaw(item *TItem) (err error) {
 	defer func() {
 		if p := recover(); p != nil {
 			err = fmt.Errorf("make request body raw failed: %v", p)
@@ -401,7 +452,7 @@ func (s *tStep) makeRequestBodyRaw(item *TItem) (err error) {
 	return
 }

-func (s *tStep) makeRequestBodyFormData(item *TItem) (err error) {
+func (s *stepFromPostman) makeRequestBodyFormData(item *TItem, steps []*hrp.TStep) (err error) {
 	defer func() {
 		if err != nil {
 			err = errors.Wrap(err, "make request body form-data failed")
@@ -446,7 +497,7 @@ func writeFormDataFile(writer *multipart.Writer, field *TField) error {
 	return err
 }

-func (s *tStep) makeRequestBodyUrlEncoded(item *TItem) error {
+func (s *stepFromPostman) makeRequestBodyUrlEncoded(item *TItem) error {
 	payloadMap := make(map[string]string)
 	for _, field := range item.Request.Body.URLEncoded {
 		if field.Disabled {
@@ -460,6 +511,6 @@ func (s *tStep) makeRequestBodyUrlEncoded(item *TItem) error {
 }

 // TODO makeValidate from example response
-func (s *tStep) makeValidate(item *TItem) error {
+func (s *stepFromPostman) makeValidate(item *TItem) error {
 	return nil
 }
--- a/hrp/internal/convert/converter_postman_test.go
+++ b/hrp/internal/convert/converter_postman_test.go
@@ -1,4 +1,4 @@
-package postman2case
+package convert

 import (
 	"testing"
@@ -7,13 +7,15 @@ import (
 )

 var (
-	collectionPath = "../../../../examples/data/postman2case/demo.json"
-	profilePath    = "../../../../examples/data/postman2case/profile.yml"
-	patchPath      = "../../../../examples/data/postman2case/patch.yml"
+	collectionPath                = "../../../examples/data/postman2case/demo.json"
+	collectionProfileOverridePath = "../../../examples/data/postman2case/profile_override.yml"
+	collectionProfilePath         = "../../../examples/data/postman2case/profile.yml"
 )

-func TestGenJSON(t *testing.T) {
-	jsonPath, err := NewCollection(collectionPath).GenJSON()
+var converterPostman = NewConverterPostman(NewTCaseConverter(collectionPath))
+
+func TestPostman2JSON(t *testing.T) {
+	jsonPath, err := converterPostman.ToJSON()
 	if !assert.NoError(t, err) {
 		t.Fatal()
 	}
@@ -22,8 +24,8 @@ func TestGenJSON(t *testing.T) {
 	}
 }

-func TestGenYAML(t *testing.T) {
-	yamlPath, err := NewCollection(collectionPath).GenYAML()
+func TestPostman2YAML(t *testing.T) {
+	yamlPath, err := converterPostman.ToYAML()
 	if !assert.NoError(t, err) {
 		t.Fatal()
 	}
@@ -33,17 +35,17 @@ func TestGenYAML(t *testing.T) {
 }

 func TestLoadCollection(t *testing.T) {
-	tCollection, err := NewCollection(collectionPath).load()
+	casePostman, err := converterPostman.load()
 	if !assert.NoError(t, err) {
 		t.Fatal(err)
 	}
-	if !assert.Equal(t, "postman collection demo", tCollection.Info.Name) {
+	if !assert.Equal(t, "postman collection demo", casePostman.Info.Name) {
 		t.Fatal()
 	}
 }

-func TestMakeTestCase(t *testing.T) {
-	tCase, err := NewCollection(collectionPath).makeTestCase()
+func TestMakeTestCaseFromCollection(t *testing.T) {
+	tCase, err := converterPostman.makeTestCase()
 	if !assert.NoError(t, err) {
 		t.Fatal()
 	}
@@ -107,9 +109,10 @@ func TestMakeTestCase(t *testing.T) {
 	}
 }

-func TestMakeTestCaseWithProfile(t *testing.T) {
-	c := NewCollection(collectionPath)
-	c.SetProfile(profilePath)
+func TestMakeTestCaseWithProfileOverride(t *testing.T) {
+	tCaseConverter := NewTCaseConverter(collectionPath)
+	tCaseConverter.SetProfile(collectionProfileOverridePath)
+	c := NewConverterPostman(tCaseConverter)
 	tCase, err := c.makeTestCase()
 	if !assert.NoError(t, err) {
 		t.Fatal()
@@ -133,22 +136,23 @@ func TestMakeTestCaseWithProfile(t *testing.T) {
 	}
 }

-func TestMakeTestCaseWithPatch(t *testing.T) {
-	c := NewCollection(collectionPath)
-	c.SetPatch(patchPath)
+func TestMakeTestCaseWithProfile(t *testing.T) {
+	tCaseConverter := NewTCaseConverter(collectionPath)
+	tCaseConverter.SetProfile(collectionProfilePath)
+	c := NewConverterPostman(tCaseConverter)
 	tCase, err := c.makeTestCase()
 	if !assert.NoError(t, err) {
 		t.Fatal()
 	}
-	// create cookies Cookie1 indicated in patch
+	// create cookies Cookie1 indicated in profile
 	if !assert.Equal(t, "this cookie will be created or updated", tCase.TestSteps[0].Request.Cookies["Cookie1"]) {
 		t.Fatal()
 	}
-	// update header User-Agent indicated in patch
+	// update header User-Agent indicated in profile
 	if !assert.Equal(t, "this header will be created or updated", tCase.TestSteps[5].Request.Headers["User-Agent"]) {
 		t.Fatal()
 	}
-	// pass header Connection which is not indicated in patch
+	// pass header Connection which is not indicated in profile
 	if !assert.Equal(t, "close", tCase.TestSteps[5].Request.Headers["Connection"]) {
 		t.Fatal()
 	}
--- a/hrp/internal/convert/converter_pytest.go
+++ b/hrp/internal/convert/converter_pytest.go
@@ -0,0 +1,19 @@
+package convert
+
+import (
+	"fmt"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+	"github.com/httprunner/httprunner/v4/hrp/internal/version"
+)
+
+func convert2PyTestScripts(paths ...string) error {
+	httprunner := fmt.Sprintf("httprunner>=%s", version.HttpRunnerMinVersion)
+	python3, err := builtin.EnsurePython3Venv(httprunner)
+	if err != nil {
+		return err
+	}
+
+	args := append([]string{"-m", "httprunner", "make"}, paths...)
+	return builtin.ExecCommand(python3, args...)
+}
--- a/hrp/internal/convert/converter_yaml.go
+++ b/hrp/internal/convert/converter_yaml.go
@@ -0,0 +1,94 @@
+package convert
+
+import (
+	"github.com/pkg/errors"
+
+	"github.com/httprunner/httprunner/v4/hrp"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+)
+
+func NewConverterYAML(converter *TCaseConverter) *ConverterYAML {
+	return &ConverterYAML{
+		converter: converter,
+	}
+}
+
+type ConverterYAML struct {
+	converter *TCaseConverter
+}
+
+func (c *ConverterYAML) Struct() *TCaseConverter {
+	return c.converter
+}
+
+func (c *ConverterYAML) ToJSON() (string, error) {
+	testCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(testCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterYAML) ToJSONTemp() (string, error) {
+	testCase, err := c.makeTestCaseTemp()
+	if err != nil {
+		return "", err
+	}
+	jsonPath := c.converter.genOutputPath(suffixJSON)
+	err = builtin.Dump2JSON(testCase, jsonPath)
+	if err != nil {
+		return "", err
+	}
+	return jsonPath, nil
+}
+
+func (c *ConverterYAML) ToYAML() (string, error) {
+	testCase, err := c.makeTestCase()
+	if err != nil {
+		return "", err
+	}
+	yamlPath := c.converter.genOutputPath(suffixYAML)
+	err = builtin.Dump2YAML(testCase, yamlPath)
+	if err != nil {
+		return "", err
+	}
+	return yamlPath, nil
+}
+
+func (c *ConverterYAML) ToGoTest() (string, error) {
+	//TODO implement me
+	return "", errors.New("convert from yaml testcase to gotest scripts is not supported yet")
+}
+
+func (c *ConverterYAML) ToPyTest() (string, error) {
+	return convertToPyTest(c)
+}
+
+func (c *ConverterYAML) makeTestCase() (*hrp.TCase, error) {
+	tCase, err := makeTestCaseFromJSONYAML(c)
+	if err != nil {
+		return nil, err
+	}
+	err = tCase.MakeCompat2GoEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
+
+func (c *ConverterYAML) makeTestCaseTemp() (*hrp.TCase, error) {
+	tCase, err := makeTestCaseFromJSONYAML(c)
+	if err != nil {
+		return nil, err
+	}
+	err = tCase.MakeCompat2PyEngine()
+	if err != nil {
+		return nil, err
+	}
+	return tCase, nil
+}
--- a/hrp/internal/convert/har2case/core.go
+++ b/hrp/internal/convert/har2case/core.go
@@ -22,13 +22,6 @@ const (
 	suffixYAML = ".yaml"
 )

-const (
-	configProfile = "profile"
-	configPatch   = "patch"
-	keyHeaders    = "headers"
-	keyCookies    = "cookies"
-)
-
 func NewHAR(path string) *har {
 	return &har{
 		path: path,
@@ -40,7 +33,6 @@ type har struct {
 	filterStr  string
 	excludeStr string
 	profile    map[string]interface{}
-	patch      map[string]interface{}
 	outputDir  string
 }

@@ -54,16 +46,6 @@ func (h *har) SetProfile(path string) {
 	}
 }

-func (h *har) SetPatch(path string) {
-	log.Info().Str("path", path).Msg("set patch")
-	h.patch = make(map[string]interface{})
-	err := builtin.LoadFile(path, h.patch)
-	if err != nil {
-		log.Warn().Str("path", path).
-			Msg("invalid patch format, ignore!")
-	}
-}
-
 func (h *har) SetOutputDir(dir string) {
 	log.Info().Str("dir", dir).Msg("set output directory")
 	h.outputDir = dir
@@ -164,7 +146,6 @@ func (h *har) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
 			Validators: make([]interface{}, 0),
 		},
 		profile: h.profile,
-		patch:   h.patch,
 	}
 	if err := step.makeRequestMethod(entry); err != nil {
 		return nil, err
@@ -193,7 +174,6 @@ func (h *har) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
 type tStep struct {
 	hrp.TStep
 	profile map[string]interface{}
-	patch   map[string]interface{}
 }

 func (s *tStep) makeRequestMethod(entry *Entry) error {
@@ -219,59 +199,43 @@ func (s *tStep) makeRequestParams(entry *Entry) error {
 	return nil
 }

-func (s *tStep) updateRequestInfo(config string, key string) bool {
-	var m map[string]interface{}
-	switch config {
-	case configProfile:
-		m = s.profile
-	case configPatch:
-		m = s.patch
-	default:
-		return false
-	}
-	iRequestMap, existed := m[key]
-	if existed {
-		requestMap, ok := iRequestMap.(map[string]interface{})
-		if ok {
-			for k, v := range requestMap {
-				switch key {
-				case keyHeaders:
-					s.Request.Headers[k] = fmt.Sprintf("%v", v)
-				case keyCookies:
-					s.Request.Cookies[k] = fmt.Sprintf("%v", v)
-				}
-			}
-			return true
-		}
-		log.Warn().Interface(key, iRequestMap).Msgf("%v from %v is not a map, ignore!", key, config)
-	}
-	return false
-}
-
 func (s *tStep) makeRequestCookies(entry *Entry) error {
 	s.Request.Cookies = make(map[string]string)
-
-	// override all cookies according to the profile
-	if s.updateRequestInfo(configProfile, keyCookies) {
-		return nil
+	cookies, ok := s.profile["cookies"]
+	if ok {
+		// use cookies from profile
+		cookies, ok := cookies.(map[string]interface{})
+		if ok {
+			for k, v := range cookies {
+				s.Request.Cookies[k] = fmt.Sprintf("%v", v)
+			}
+			return nil
+		}
+		log.Warn().Interface("cookies", cookies).
+			Msg("cookies from profile is not a map, ignore!")
 	}

 	// use cookies from har
 	for _, cookie := range entry.Request.Cookies {
 		s.Request.Cookies[cookie.Name] = cookie.Value
 	}
-
-	// create or update the cookies indicated in the patch
-	s.updateRequestInfo(configPatch, keyCookies)
 	return nil
 }

 func (s *tStep) makeRequestHeaders(entry *Entry) error {
 	s.Request.Headers = make(map[string]string)
-
-	// override all headers according to the profile
-	if s.updateRequestInfo(configProfile, keyHeaders) {
-		return nil
+	headers, ok := s.profile["headers"]
+	if ok {
+		// use headers from profile
+		cookies, ok := headers.(map[string]interface{})
+		if ok {
+			for k, v := range cookies {
+				s.Request.Headers[k] = fmt.Sprintf("%v", v)
+			}
+			return nil
+		}
+		log.Warn().Interface("headers", headers).
+			Msg("headers from profile is not a map, ignore!")
 	}

 	// use headers from har
@@ -281,9 +245,6 @@ func (s *tStep) makeRequestHeaders(entry *Entry) error {
 		}
 		s.Request.Headers[header.Name] = header.Value
 	}
-
-	// create or update the headers indicated in the patch
-	s.updateRequestInfo(configPatch, keyHeaders)
 	return nil
 }

--- a/hrp/internal/convert/har2case/core_test.go
+++ b/hrp/internal/convert/har2case/core_test.go
@@ -1,7 +1,6 @@
 package har2case

 import (
-	"fmt"
 	"testing"

 	"github.com/stretchr/testify/assert"
@@ -12,7 +11,7 @@ import (
 var (
 	harPath     = "../../../../examples/data/har/demo.har"
 	harPath2    = "../../../../examples/data/har/postman-echo.har"
-	profilePath = "../../../../examples/data/har/profile.yml"
+	profilePath = "../../../../examples/data/har/profile_override.yml"
 )

 func TestGenJSON(t *testing.T) {
@@ -382,32 +381,3 @@ func TestMakeValidate(t *testing.T) {
 		t.Fatal()
 	}
 }
-
-func Test_tStep_makeRequestCookies(t *testing.T) {
-	type fields struct {
-		TStep   hrp.TStep
-		profile map[string]interface{}
-		patch   map[string]interface{}
-	}
-	type args struct {
-		entry *Entry
-	}
-	tests := []struct {
-		name    string
-		fields  fields
-		args    args
-		wantErr assert.ErrorAssertionFunc
-	}{
-		// TODO: Add test cases.
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			s := &tStep{
-				TStep:   tt.fields.TStep,
-				profile: tt.fields.profile,
-				patch:   tt.fields.patch,
-			}
-			tt.wantErr(t, s.makeRequestCookies(tt.args.entry), fmt.Sprintf("makeRequestCookies(%v)", tt.args.entry))
-		})
-	}
-}
--- a/hrp/internal/convert/postman2case/collection.go
+++ b/hrp/internal/convert/postman2case/collection.go
@@ -1,74 +0,0 @@
-package postman2case
-
-/*
-Postman Collection format reference:
-https://schema.postman.com/json/collection/v2.0.0/collection.json
-https://schema.postman.com/json/collection/v2.1.0/collection.json
-*/
-
-// TCollection represents the postman exported file
-type TCollection struct {
-	Info  TInfo   `json:"info"`
-	Items []TItem `json:"item"`
-}
-
-// TInfo gives information about the collection
-type TInfo struct {
-	Name        string `json:"name"`
-	Description string `json:"description"`
-	Schema      string `json:"schema"`
-}
-
-// TItem contains the detail information of request and expected responses
-// item could be defined recursively
-type TItem struct {
-	Items     []TItem     `json:"item"`
-	Name      string      `json:"name"`
-	Request   TRequest    `json:"request"`
-	Responses []TResponse `json:"response"`
-}
-
-type TRequest struct {
-	Method      string   `json:"method"`
-	Headers     []TField `json:"header"`
-	Body        TBody    `json:"body"`
-	URL         TUrl     `json:"url"`
-	Description string   `json:"description"`
-}
-
-type TResponse struct {
-	Name            string   `json:"name"`
-	OriginalRequest TRequest `json:"originalRequest"`
-	Status          string   `json:"status"`
-	Code            int      `json:"code"`
-	Headers         []TField `json:"headers"`
-	Body            string   `json:"body"`
-}
-
-type TUrl struct {
-	Raw         string   `json:"raw"`
-	Protocol    string   `json:"protocol"`
-	Path        []string `json:"path"`
-	Description string   `json:"description"`
-	Query       []TField `json:"query"`
-	Variable    []TField `json:"variable"`
-}
-
-type TField struct {
-	Key         string `json:"key"`
-	Value       string `json:"value"`
-	Src         string `json:"src"`
-	Description string `json:"description"`
-	Type        string `json:"type"`
-	Disabled    bool   `json:"disabled"`
-	Enable      bool   `json:"enable"`
-}
-
-type TBody struct {
-	Mode       string      `json:"mode"`
-	FormData   []TField    `json:"formdata"`
-	URLEncoded []TField    `json:"urlencoded"`
-	Raw        string      `json:"raw"`
-	Disabled   bool        `json:"disabled"`
-	Options    interface{} `json:"options"`
-}
--- a/hrp/internal/convert/case2script/testcase.tmpl
+++ b/hrp/internal/convert/case2script/testcase.tmpl
--- a/hrp/step_api.go
+++ b/hrp/step_api.go
@@ -47,7 +47,7 @@ func (path *APIPath) ToAPI() (*API, error) {
 	if err != nil {
 		return nil, err
 	}
-	err = convertCompatValidator(api.Validators)
+	err = convertValidatorCompat2GoEngine(api.Validators)
 	convertExtract(api.Extract)
 	return api, err
 }
--- a/hrp/testcase.go
+++ b/hrp/testcase.go
@@ -64,7 +64,7 @@ func (path *TestCasePath) ToTestCase() (*TestCase, error) {
 		return nil, errors.New("incorrect testcase file format, expected config in file")
 	}

-	err = tc.makeCompat()
+	err = tc.MakeCompat2GoEngine()
 	if err != nil {
 		return nil, err
 	}
@@ -154,27 +154,28 @@ type TCase struct {
 	TestSteps []*TStep `json:"teststeps" yaml:"teststeps"`
 }

-// makeCompat converts TCase to compatible testcase
-func (tc *TCase) makeCompat() error {
-	var err error
+// MakeCompat2GoEngine converts TCase compatible with Golang engine style
+func (tc *TCase) MakeCompat2GoEngine() (err error) {
 	defer func() {
 		if p := recover(); p != nil {
-			err = fmt.Errorf("convert compat testcase error: %v", p)
+			err = fmt.Errorf("[MakeCompat2GoEngine] convert compat testcase error: %v", p)
 		}
 	}()
 	for _, step := range tc.TestSteps {
-		// 1. deal with request body compatible with HttpRunner
+		// 1. deal with request body compatibility
 		if step.Request != nil && step.Request.Body == nil {
 			if step.Request.Json != nil {
 				step.Request.Headers["Content-Type"] = "application/json; charset=utf-8"
 				step.Request.Body = step.Request.Json
+				step.Request.Json = nil
 			} else if step.Request.Data != nil {
 				step.Request.Body = step.Request.Data
+				step.Request.Data = nil
 			}
 		}

-		// 2. deal with validators compatible with HttpRunner
-		err = convertCompatValidator(step.Validators)
+		// 2. deal with validators compatibility
+		err = convertValidatorCompat2GoEngine(step.Validators)
 		if err != nil {
 			return err
 		}
@@ -185,16 +186,19 @@ func (tc *TCase) makeCompat() error {
 	return nil
 }

-func convertCompatValidator(Validators []interface{}) (err error) {
+func convertValidatorCompat2GoEngine(Validators []interface{}) (err error) {
 	for i, iValidator := range Validators {
+		if _, ok := iValidator.(Validator); ok {
+			continue
+		}
 		validatorMap := iValidator.(map[string]interface{})
 		validator := Validator{}
 		_, checkExisted := validatorMap["check"]
 		_, assertExisted := validatorMap["assert"]
 		_, expectExisted := validatorMap["expect"]
-		// check priority: HRP > HttpRunner
+		// validator check priority: Golang > Python engine style
 		if checkExisted && assertExisted && expectExisted {
-			// HRP validator format
+			// Golang engine style
 			validator.Check = validatorMap["check"].(string)
 			validator.Assert = validatorMap["assert"].(string)
 			validator.Expect = validatorMap["expect"]
@@ -203,8 +207,10 @@ func convertCompatValidator(Validators []interface{}) (err error) {
 			}
 			validator.Check = convertCheckExpr(validator.Check)
 			Validators[i] = validator
-		} else if len(validatorMap) == 1 {
-			// HttpRunner validator format
+			continue
+		}
+		if len(validatorMap) == 1 {
+			// Python engine style
 			for assertMethod, iValidatorContent := range validatorMap {
 				checkAndExpect := iValidatorContent.([]interface{})
 				if len(checkAndExpect) != 2 {
@@ -216,9 +222,9 @@ func convertCompatValidator(Validators []interface{}) (err error) {
 			}
 			validator.Check = convertCheckExpr(validator.Check)
 			Validators[i] = validator
-		} else {
-			return fmt.Errorf("unexpected validator format: %v", validatorMap)
+			continue
 		}
+		return fmt.Errorf("unexpected validator format: %v", validatorMap)
 	}
 	return nil
 }
@@ -244,6 +250,74 @@ func convertCheckExpr(checkExpr string) string {
 	return strings.Join(checkItems, ".")
 }

+// MakeCompat2PyEngine converts TCase compatible with Python engine style
+func (tc *TCase) MakeCompat2PyEngine() (err error) {
+	defer func() {
+		if p := recover(); p != nil {
+			err = fmt.Errorf("[MakeCompat2PyEngine] convert compat testcase error: %v", p)
+		}
+	}()
+	for _, step := range tc.TestSteps {
+		// 1. deal with request body compatibility
+		if step.Request != nil && step.Request.Body != nil {
+			if strings.HasPrefix(step.Request.Headers["Content-Type"], "application/json") {
+				step.Request.Json = step.Request.Body
+				step.Request.Body = nil
+				continue
+			}
+			step.Request.Data = step.Request.Body
+			step.Request.Body = nil
+		}
+
+		// 2. deal with validators compatibility
+		err = convertValidatorCompat2PyEngine(step.Validators)
+		if err != nil {
+			return err
+		}
+	}
+	return
+}
+
+func convertValidatorCompat2PyEngine(Validators []interface{}) (err error) {
+	for i, iValidator := range Validators {
+		if v, ok := iValidator.(Validator); ok {
+			var iValidatorContent []interface{}
+			iValidatorContent = append(iValidatorContent, v.Check)
+			iValidatorContent = append(iValidatorContent, v.Expect)
+			newValidatorMap := make(map[string]interface{})
+			newValidatorMap[v.Assert] = iValidatorContent
+			Validators[i] = newValidatorMap
+			continue
+		}
+		validatorMap := iValidator.(map[string]interface{})
+		// validator check priority: Python > Golang engine style
+		if len(validatorMap) == 1 {
+			// Python engine style
+			for _, iValidatorContent := range validatorMap {
+				checkAndExpect := iValidatorContent.([]interface{})
+				if len(checkAndExpect) != 2 {
+					return fmt.Errorf("unexpected validator format: %v", validatorMap)
+				}
+			}
+			continue
+		}
+		_, checkExisted := validatorMap["check"]
+		_, assertExisted := validatorMap["assert"]
+		_, expectExisted := validatorMap["expect"]
+		if checkExisted && assertExisted && expectExisted {
+			// Golang engine style
+			var iValidatorContent []interface{}
+			iValidatorContent = append(iValidatorContent, validatorMap["check"])
+			iValidatorContent = append(iValidatorContent, validatorMap["expect"])
+			newValidatorMap := make(map[string]interface{})
+			newValidatorMap[validatorMap["assert"].(string)] = iValidatorContent
+			Validators[i] = newValidatorMap
+			continue
+		}
+		return fmt.Errorf("unexpected validator format: %v", validatorMap)
+	}
+	return
+}
 func LoadTestCases(iTestCases ...ITestCase) ([]*TestCase, error) {
 	testCases := make([]*TestCase, 0)