Merge pull request #58 from httprunner/go-plugin

fix unittests for plugin
This commit is contained in:
debugtalk
2022-01-17 00:11:00 +08:00
committed by GitHub
19 changed files with 392 additions and 273 deletions

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@@ -1,6 +1,7 @@
name: Run unittests
on:
push:
pull_request:
types: [synchronize]
schedule:

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@@ -1,6 +1,6 @@
# Release History
## v0.5.2 (2022-01-14)
## v0.5.2 (2022-01-16)
- feat: support creating and calling custom functions with [hashicorp/go-plugin](https://github.com/hashicorp/go-plugin)

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@@ -33,4 +33,4 @@ Copyright 2021 debugtalk
* [hrp run](hrp_run.md) - run API test
* [hrp startproject](hrp_startproject.md) - create a scaffold project
###### Auto generated by spf13/cobra on 13-Jan-2022
###### Auto generated by spf13/cobra on 17-Jan-2022

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@@ -39,4 +39,4 @@ hrp boom [flags]
* [hrp](hrp.md) - One-stop solution for HTTP(S) testing.
###### Auto generated by spf13/cobra on 13-Jan-2022
###### Auto generated by spf13/cobra on 17-Jan-2022

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@@ -23,4 +23,4 @@ hrp har2case $har_path... [flags]
* [hrp](hrp.md) - One-stop solution for HTTP(S) testing.
###### Auto generated by spf13/cobra on 13-Jan-2022
###### Auto generated by spf13/cobra on 17-Jan-2022

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@@ -31,4 +31,4 @@ hrp run $path... [flags]
* [hrp](hrp.md) - One-stop solution for HTTP(S) testing.
###### Auto generated by spf13/cobra on 13-Jan-2022
###### Auto generated by spf13/cobra on 17-Jan-2022

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@@ -16,4 +16,4 @@ hrp startproject $project_name [flags]
* [hrp](hrp.md) - One-stop solution for HTTP(S) testing.
###### Auto generated by spf13/cobra on 13-Jan-2022
###### Auto generated by spf13/cobra on 17-Jan-2022

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@@ -9,26 +9,49 @@ func init() {
log.Println("plugin init function called")
}
func SumInt(args ...interface{}) (interface{}, error) {
func SumTwoInt(a, b int) int {
return a + b
}
func SumInts(args ...int) int {
var sum int
for _, arg := range args {
v, ok := arg.(int)
if !ok {
sum += arg
}
return sum
}
func Sum(args ...interface{}) (interface{}, error) {
var sum float64
for _, arg := range args {
switch v := arg.(type) {
case int:
sum += float64(v)
case float64:
sum += v
default:
return nil, fmt.Errorf("unexpected type: %T", arg)
}
sum += v
}
return sum, nil
}
func ConcatenateString(args ...interface{}) (interface{}, error) {
func SumTwoString(a, b string) string {
return a + b
}
func SumStrings(s ...string) string {
var sum string
for _, arg := range s {
sum += arg
}
return sum
}
func Concatenate(args ...interface{}) (interface{}, error) {
var result string
for _, arg := range args {
v, ok := arg.(string)
if !ok {
return nil, fmt.Errorf("unexpected type: %T", arg)
}
result += v
result += fmt.Sprintf("%v", arg)
}
return result, nil
}

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@@ -0,0 +1,14 @@
package main
import "github.com/httprunner/hrp/plugin"
// register functions and build to plugin binary
func main() {
plugin.Register("sum_ints", SumInts)
plugin.Register("sum_two_int", SumTwoInt)
plugin.Register("sum", Sum)
plugin.Register("sum_two_string", SumTwoString)
plugin.Register("sum_strings", SumStrings)
plugin.Register("concatenate", Concatenate)
plugin.Serve()
}

2
go.mod
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@@ -15,7 +15,7 @@ require (
github.com/olekukonko/tablewriter v0.0.5
github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.11.0
github.com/rs/zerolog v1.26.0
github.com/rs/zerolog v1.26.1
github.com/spf13/cobra v1.2.1
github.com/stretchr/testify v1.7.0
golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 // indirect

5
go.sum
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@@ -370,8 +370,8 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/rs/xid v1.3.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.26.0 h1:ORM4ibhEZeTeQlCojCK2kPz1ogAY4bGs4tD+SaAdGaE=
github.com/rs/zerolog v1.26.0/go.mod h1:yBiM87lvSqX8h0Ww4sdzNSkVYZ8dL2xjZJG1lAuGZEo=
github.com/rs/zerolog v1.26.1 h1:/ihwxqH+4z8UxyI70wM1z9yCvkWcfz/a3mj48k/Zngc=
github.com/rs/zerolog v1.26.1/go.mod h1:/wSSJWX7lVrsOwlbyTRSOJvqRlc+WjWlfes+CiJ+tmc=
github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
@@ -459,6 +459,7 @@ golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=

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@@ -15,7 +15,8 @@ import (
func buildGoPlugin() {
fmt.Println("[setup] build go plugin")
// flag -race is necessary in order to be consistent with go test
cmd := exec.Command("go", "build", "-buildmode=plugin", "-race", "-o=examples/debugtalk.so", "examples/plugin/debugtalk.go")
cmd := exec.Command("go", "build", "-buildmode=plugin", "-race",
"-o=examples/debugtalk.so", "examples/plugin/debugtalk.go")
if err := cmd.Run(); err != nil {
panic(err)
}
@@ -78,10 +79,13 @@ func TestCallPluginFunction(t *testing.T) {
defer removeGoPlugin()
parser := newParser()
parser.initPlugin("examples/debugtalk.so")
err := parser.initPlugin("examples/debugtalk.so")
if err != nil {
t.Fatal(err)
}
// call function without arguments
result, err := parser.callFunc("ConcatenateString", "1", "2", "3.14")
result, err := parser.callFunc("Concatenate", "1", 2, "3.14")
if !assert.NoError(t, err) {
t.Fail()
}

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@@ -1,4 +1,4 @@
package main
package hrp
import (
"fmt"
@@ -6,22 +6,30 @@ import (
"os/exec"
"testing"
"github.com/stretchr/testify/assert"
"github.com/httprunner/hrp/plugin/host"
"github.com/stretchr/testify/assert"
)
func TestMain(m *testing.M) {
fmt.Println("[TestMain] build go plugin")
cmd := exec.Command("go", "build", "-o=debugtalk.bin", "./debugtalk.go")
func buildHashicorpPlugin() {
fmt.Println("[init] build hashicorp go plugin")
cmd := exec.Command("go", "build",
"-o=examples/debugtalk.bin",
"examples/plugin/hashicorp.go", "examples/plugin/debugtalk.go")
if err := cmd.Run(); err != nil {
panic(err)
}
os.Exit(m.Run())
}
func removeHashicorpPlugin() {
fmt.Println("[teardown] remove hashicorp plugin")
os.Remove("examples/debugtalk.bin")
}
func TestInitHashicorpPlugin(t *testing.T) {
f, err := host.Init("./debugtalk.bin")
buildHashicorpPlugin()
defer removeHashicorpPlugin()
f, err := host.Init("examples/debugtalk.bin")
if err != nil {
t.Fatal(err)
}

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@@ -1,65 +0,0 @@
package main
import (
"fmt"
plugin "github.com/httprunner/hrp/plugin"
)
func SumTwoInt(a, b int) int {
return a + b
}
func SumInts(args ...int) int {
var sum int
for _, arg := range args {
sum += arg
}
return sum
}
func Sum(args ...interface{}) (interface{}, error) {
var sum float64
for _, arg := range args {
switch v := arg.(type) {
case int:
sum += float64(v)
case float64:
sum += v
default:
return nil, fmt.Errorf("unexpected type: %T", arg)
}
}
return sum, nil
}
func SumTwoString(a, b string) string {
return a + b
}
func SumStrings(s ...string) string {
var sum string
for _, arg := range s {
sum += arg
}
return sum
}
func Concatenate(args ...interface{}) (interface{}, error) {
var result string
for _, arg := range args {
result += fmt.Sprintf("%v", arg)
}
return result, nil
}
// register functions and build to plugin binary
func main() {
plugin.Register("sum_ints", SumInts)
plugin.Register("sum_two_int", SumTwoInt)
plugin.Register("sum", Sum)
plugin.Register("sum_two_string", SumTwoString)
plugin.Register("sum_strings", SumStrings)
plugin.Register("concatenate", Concatenate)
plugin.Serve()
}

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@@ -1,10 +0,0 @@
module github.com/httprunner/hrp/plugin
go 1.16
require (
github.com/hashicorp/go-hclog v1.1.0
github.com/hashicorp/go-plugin v1.4.3
github.com/rs/zerolog v1.26.1
github.com/stretchr/testify v1.7.0
)

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@@ -1,118 +0,0 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.4 h1:87PNWwrRvUSnqS4dlcBU/ftvOIBep4sYuBLlh6rX2wk=
github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/hashicorp/go-hclog v0.14.1/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
github.com/hashicorp/go-hclog v1.1.0 h1:QsGcniKx5/LuX2eYoeL+Np3UKYPNaN7YKpTh29h8rbw=
github.com/hashicorp/go-hclog v1.1.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
github.com/hashicorp/go-plugin v1.4.3 h1:DXmvivbWD5qdiBts9TpBC7BYL1Aia5sxbRgQB+v6UZM=
github.com/hashicorp/go-plugin v1.4.3/go.mod h1:5fGEH17QVwTTcR0zV7yhDPLLmFX9YSZ38b18Udy6vYQ=
github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb h1:b5rjCoWHc7eqmAS4/qyk21ZsHyb6Mxv/jykxvNTkU4M=
github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
github.com/jhump/protoreflect v1.6.0 h1:h5jfMVslIg6l29nsMs0D8Wj17RDVdNYti0vDN/PZZoE=
github.com/jhump/protoreflect v1.6.0/go.mod h1:eaTn3RZAmMBcV0fifFvlm6VHNz3wSkYyXYWUh7ymB74=
github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77 h1:7GoSOOW2jpsfkntVKaS2rAr1TJqfcxotyaUcuxoZSzg=
github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/rs/xid v1.3.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.26.1 h1:/ihwxqH+4z8UxyI70wM1z9yCvkWcfz/a3mj48k/Zngc=
github.com/rs/zerolog v1.26.1/go.mod h1:/wSSJWX7lVrsOwlbyTRSOJvqRlc+WjWlfes+CiJ+tmc=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d h1:20cMwl2fHAzkJMEA+8J4JgqBQcQGzbisXo31MIeenXI=
golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e h1:WUoyKPm6nCo1BnNUvPGnFG3T5DUVem42yDJZZ4CNxMA=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20170818010345-ee236bd376b0/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

103
plugin/shared/call.go Normal file
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@@ -0,0 +1,103 @@
package shared
import (
"fmt"
"reflect"
"github.com/rs/zerolog/log"
)
// CallFunc calls function with arguments
func CallFunc(fn reflect.Value, args ...interface{}) (interface{}, error) {
argumentsValue, err := convertArgs(fn, args...)
if err != nil {
log.Error().Err(err).Msg("convert arguments failed")
return nil, err
}
return call(fn, argumentsValue)
}
func convertArgs(fn reflect.Value, args ...interface{}) ([]reflect.Value, error) {
fnArgsNum := fn.Type().NumIn()
// function arguments should match exactly if function's last argument is not slice
if len(args) != fnArgsNum && (fnArgsNum == 0 || fn.Type().In(fnArgsNum-1).Kind() != reflect.Slice) {
return nil, fmt.Errorf("function expect %d arguments, but got %d", fnArgsNum, len(args))
}
argumentsValue := make([]reflect.Value, len(args))
for index := 0; index < len(args); index++ {
argument := args[index]
if argument == nil {
argumentsValue[index] = reflect.Zero(fn.Type().In(index))
continue
}
argumentValue := reflect.ValueOf(argument)
actualArgumentType := reflect.TypeOf(argument)
var expectArgumentType reflect.Type
if (index == fnArgsNum-1 && fn.Type().In(fnArgsNum-1).Kind() == reflect.Slice) || index > fnArgsNum-1 {
// last fn argument is slice
expectArgumentType = fn.Type().In(fnArgsNum - 1).Elem() // slice element type
// last argument is also slice, e.g. []int
if actualArgumentType.Kind() == reflect.Slice {
if actualArgumentType.Elem() != expectArgumentType {
err := fmt.Errorf("function argument %d's slice element type is not match, expect %v, actual %v",
index, expectArgumentType, actualArgumentType)
return nil, err
}
argumentsValue[index] = argumentValue
continue
}
} else {
expectArgumentType = fn.Type().In(index)
}
// type match
if expectArgumentType == actualArgumentType {
argumentsValue[index] = argumentValue
continue
}
// type not match, check if convertible
if !actualArgumentType.ConvertibleTo(expectArgumentType) {
// function argument type not match and not convertible
err := fmt.Errorf("function argument %d's type is neither match nor convertible, expect %v, actual %v",
index, expectArgumentType, actualArgumentType)
return nil, err
}
// convert argument to expect type
argumentsValue[index] = argumentValue.Convert(expectArgumentType)
}
return argumentsValue, nil
}
func call(fn reflect.Value, args []reflect.Value) (interface{}, error) {
resultValues := fn.Call(args)
if resultValues == nil {
// no returns
return nil, nil
} else if len(resultValues) == 2 {
// return two arguments: interface{}, error
if resultValues[1].Interface() != nil {
return resultValues[0].Interface(), resultValues[1].Interface().(error)
} else {
return resultValues[0].Interface(), nil
}
} else if len(resultValues) == 1 {
// return one argument
if err, ok := resultValues[0].Interface().(error); ok {
// return error
return nil, err
} else {
// return interface{}
return resultValues[0].Interface(), nil
}
} else {
// return more than 2 arguments, unexpected
err := fmt.Errorf("function should return at most 2 values")
return nil, err
}
}

208
plugin/shared/call_test.go Normal file
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@@ -0,0 +1,208 @@
package shared
import (
"errors"
"fmt"
"reflect"
"testing"
"github.com/stretchr/testify/assert"
)
type data struct {
f interface{}
args []interface{}
expVal interface{}
expErr error
}
func TestCallFuncBasic(t *testing.T) {
params := []data{
// zero argument, zero return
{f: func() {}, args: []interface{}{}, expVal: nil, expErr: nil},
// zero argument, return one value
{f: func() int { return 1 }, args: []interface{}{}, expVal: 1, expErr: nil},
{f: func() string { return "a" }, args: []interface{}{}, expVal: "a", expErr: nil},
{f: func() interface{} { return 1.23 }, args: []interface{}{}, expVal: 1.23, expErr: nil},
// zero argument, return error
{f: func() error { return errors.New("xxx") }, args: []interface{}{}, expVal: nil, expErr: errors.New("xxx")},
// zero argument, return one value and error
{f: func() (int, error) { return 1, errors.New("xxx") }, args: []interface{}{}, expVal: 1, expErr: errors.New("xxx")},
{f: func() (interface{}, error) { return 1.23, errors.New("xxx") }, args: []interface{}{}, expVal: 1.23, expErr: errors.New("xxx")},
// one argument, zero return
{f: func(n int) {}, args: []interface{}{1}, expVal: nil, expErr: nil},
// one argument, return one value
{f: func(n int) int { return n * n }, args: []interface{}{2}, expVal: 4},
{f: func(c string) string { return c + c }, args: []interface{}{"p"}, expVal: "pp"},
{f: func(arg interface{}) interface{} { return fmt.Sprintf("%v", arg) }, args: []interface{}{1.23}, expVal: "1.23"},
// one argument, return one value and error
{f: func(arg interface{}) (interface{}, error) { return 1.23, errors.New("xxx") }, args: []interface{}{"a"}, expVal: 1.23, expErr: errors.New("xxx")},
// two arguments in same type
{f: func(a, b int) int { return a * b }, args: []interface{}{2, 3}, expVal: 6},
// two arguments in different type
{
f: func(n int, c string) string {
var s string
for i := 0; i < n; i++ {
s += c
}
return s
},
args: []interface{}{3, "p"},
expVal: "ppp",
},
// variable arguments list: ...int, ...interface{}
{
f: func(n ...int) int {
var sum int
for _, arg := range n {
sum += arg
}
return sum
},
args: []interface{}{1, 2, 3},
expVal: 6,
},
{
f: func(args ...interface{}) (interface{}, error) {
var result string
for _, arg := range args {
result += fmt.Sprintf("%v", arg)
}
return result, nil
},
args: []interface{}{1, 2.3, "4.5", "p"},
expVal: "12.34.5p",
},
{
f: func(a, b int8, n ...int) int {
var sum int
for _, arg := range n {
sum += arg
}
sum += int(a) + int(b)
return sum
},
args: []interface{}{1, 2, 3, 4.5},
expVal: 10,
},
{
f: func(a, b int8, n ...int) int {
sum := int(a) + int(b)
for _, arg := range n {
sum += arg
}
return sum
},
args: []interface{}{1, 2},
expVal: 3,
},
{
f: func(a []int, n ...int) int {
var sum int
for _, arg := range a {
sum += arg
}
for _, arg := range n {
sum += arg
}
return sum
},
args: []interface{}{[]int{1, 2}, 3, 4},
expVal: 10,
},
}
for _, p := range params {
fn := reflect.ValueOf(p.f)
val, err := CallFunc(fn, p.args...)
if !assert.Equal(t, p.expErr, err) {
t.Fatal(err)
}
if !assert.Equal(t, p.expVal, val) {
t.Fatal()
}
}
}
func TestCallFuncComplex(t *testing.T) {
params := []data{
// arguments include slice
{
f: func(a int, n []int, b int) int {
sum := a
for _, arg := range n {
sum += arg
}
sum += b
return sum
},
args: []interface{}{1, []int{2, 3}, 4},
expVal: 10,
},
// last argument is slice
{
f: func(n []int) int {
var sum int
for _, arg := range n {
sum += arg
}
return sum
},
args: []interface{}{[]int{1, 2, 3}},
expVal: 6,
},
{
f: func(a, b int, n []int) int {
sum := a + b
for _, arg := range n {
sum += arg
}
return sum
},
args: []interface{}{1, 2, []int{3, 4}},
expVal: 10,
},
}
for _, p := range params {
fn := reflect.ValueOf(p.f)
val, err := CallFunc(fn, p.args...)
if !assert.Equal(t, p.expErr, err) {
t.Fatal(err)
}
if !assert.Equal(t, p.expVal, val) {
t.Fatal()
}
}
}
func TestCallFuncAbnormal(t *testing.T) {
params := []data{
// return more than 2 values
{
f: func() (int, int, error) { return 1, 2, nil },
args: []interface{}{},
expVal: nil,
expErr: fmt.Errorf("function should return at most 2 values"),
},
}
for _, p := range params {
fn := reflect.ValueOf(p.f)
val, err := CallFunc(fn, p.args...)
if !assert.Equal(t, p.expErr, err) {
t.Fatal(err)
}
if !assert.Equal(t, p.expVal, val) {
t.Fatal()
}
}
}

View File

@@ -1,50 +0,0 @@
package shared
import (
"fmt"
"reflect"
)
// CallFunc calls function with arguments
// it is used when calling go plugin or builtin functions
func CallFunc(fn reflect.Value, args ...interface{}) (interface{}, error) {
fnArgsNum := fn.Type().NumIn()
if fnArgsNum > 0 && fn.Type().In(fnArgsNum-1).Kind() == reflect.Slice {
// last argument is slice, do not check arguments number
// e.g. ...interface{}
// e.g. a, b string, c ...interface{}
} else if fnArgsNum != len(args) {
// function arguments not match
return nil, fmt.Errorf("function arguments number not match, expect %d, got %d", fnArgsNum, len(args))
}
// arguments do not have slice, and arguments number matched
argumentsValue := make([]reflect.Value, len(args))
for index, argument := range args {
if argument == nil {
argumentsValue[index] = reflect.Zero(fn.Type().In(index))
} else {
argumentsValue[index] = reflect.ValueOf(args[index])
}
}
resultValues := fn.Call(argumentsValue)
if resultValues == nil {
// no returns
return nil, nil
} else if len(resultValues) == 2 {
// return two arguments: interface{}, error
if resultValues[1].Interface() != nil {
return resultValues[0].Interface(), resultValues[1].Interface().(error)
} else {
return resultValues[0].Interface(), nil
}
} else if len(resultValues) == 1 {
// return one arguments: interface{}
return resultValues[0].Interface(), nil
} else {
// return more than 2 arguments, unexpected
err := fmt.Errorf("function should return at most 2 arguments")
return nil, err
}
}