feat: support post data

examples/postman_echo/hardcode_test.go

@@ -0,0 +1,36 @@
+package postman_echo
+
+import (
+	"testing"
+
+	"github.com/httprunner/httpboomer"
+)
+
+func TestCaseHardcode(t *testing.T) {
+	testcase := &httpboomer.TestCase{
+		Config: httpboomer.TConfig{
+			Name:    "request methods testcase in hardcode",
+			BaseURL: "https://postman-echo.com",
+			Verify:  false,
+		},
+		TestSteps: []httpboomer.IStep{
+			httpboomer.Step("get with params").
+				GET("/get").
+				WithParams(map[string]interface{}{"foo1": "bar1", "foo2": "bar2"}).
+				WithHeaders(map[string]string{"User-Agent": "HttpBoomer"}).
+				Validate().
+				AssertEqual("status_code", 200, "check status code"),
+			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"),
+		},
+	}
+
+	err := httpboomer.Test(testcase)
+	if err != nil {
+		t.Fatalf("run testcase error: %v", err)
+	}
+}