fix: post data

examples/postman_echo/hardcode_test.go

@@ -19,31 +19,41 @@ func TestCaseHardcode(t *testing.T) {
 				WithParams(map[string]interface{}{"foo1": "bar1", "foo2": "bar2"}).
 				WithHeaders(map[string]string{"User-Agent": "HttpBoomer"}).
 				Validate().
-				AssertEqual("status_code", 200, "check status code"),
+				AssertEqual("status_code", 200, "check status code").
+				AssertEqual("headers.Connection", "keep-alive", "check header Connection").
+				AssertEqual("headers.\"Content-Type\"", "application/json; charset=utf-8", "check header Content-Type").
+				AssertEqual("body.args.foo1", "bar1", "check args foo1").
+				AssertEqual("body.args.foo2", "bar2", "check args foo2"),
 			httpboomer.Step("post raw text").
 				POST("/post").
 				WithHeaders(map[string]string{"User-Agent": "HttpBoomer", "Content-Type": "text/plain"}).
 				WithData("This is expected to be sent back as part of response body.").
 				Validate().
-				AssertEqual("status_code", 200, "check status code"),
+				AssertEqual("status_code", 200, "check status code").
+				AssertEqual("body.data", "This is expected to be sent back as part of response body.", "check data"),
 			httpboomer.Step("post form data").
 				POST("/post").
 				WithHeaders(map[string]string{"User-Agent": "HttpBoomer", "Content-Type": "application/x-www-form-urlencoded"}).
 				WithParams(map[string]interface{}{"foo1": "bar1", "foo2": "bar2"}).
 				Validate().
-				AssertEqual("status_code", 200, "check status code"),
+				AssertEqual("status_code", 200, "check status code").
+				AssertEqual("body.form.foo1", "bar1", "check form foo1").
+				AssertEqual("body.form.foo2", "bar2", "check form foo2"),
 			httpboomer.Step("post json data").
 				POST("/post").
 				WithHeaders(map[string]string{"User-Agent": "HttpBoomer"}).
 				WithJSON(map[string]interface{}{"foo1": "bar1", "foo2": "bar2"}).
 				Validate().
-				AssertEqual("status_code", 200, "check status code"),
+				AssertEqual("status_code", 200, "check status code").
+				AssertEqual("body.json.foo1", "bar1", "check json foo1").
+				AssertEqual("body.json.foo2", "bar2", "check json foo2"),
 			httpboomer.Step("put request").
 				PUT("/put").
 				WithHeaders(map[string]string{"User-Agent": "HttpBoomer", "Content-Type": "text/plain"}).
 				WithData("This is expected to be sent back as part of response body.").
 				Validate().
-				AssertEqual("status_code", 200, "check status code"),
+				AssertEqual("status_code", 200, "check status code").
+				AssertEqual("body.data", "This is expected to be sent back as part of response body.", "check data"),
 		},
 	}
 

runner.go

@@ -72,10 +72,18 @@ func (r *Runner) runStep(step IStep, config *TConfig) error {
 func (r *Runner) runStepRequest(step *TStep) error {
 	// prepare request args
 	var v []interface{}
-	v = append(v, req.Header(step.Request.Headers))
+	if len(step.Request.Headers) > 0 {
-	v = append(v, req.Param(step.Request.Params))
+		v = append(v, req.Header(step.Request.Headers))
-	v = append(v, step.Request.Data)
+	}
-	v = append(v, req.BodyJSON(step.Request.JSON))
+	if len(step.Request.Params) > 0 {
+		v = append(v, req.Param(step.Request.Params))
+	}
+	if step.Request.Data != nil {
+		v = append(v, step.Request.Data)
+	}
+	if step.Request.JSON != nil {
+		v = append(v, req.BodyJSON(step.Request.JSON))
+	}
 
 	for cookieName, cookieValue := range step.Request.Cookies {
 		v = append(v, &http.Cookie{