[🤖] Add Unit-Tests

ginext/commonMiddlewares_test.go

@@ -0,0 +1,45 @@
+package ginext
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestBodyBuffer_WrapsBody(t *testing.T) {
+	rec := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(rec)
+	c.Request = httptest.NewRequest(http.MethodPost, "/", strings.NewReader("payload"))
+
+	original := c.Request.Body
+	BodyBuffer(c)
+	if c.Request.Body == original {
+		t.Fatalf("expected body to be replaced with buffered reader")
+	}
+
+	data, err := io.ReadAll(c.Request.Body)
+	if err != nil {
+		t.Fatalf("read err: %v", err)
+	}
+	if !bytes.Equal(data, []byte("payload")) {
+		t.Fatalf("body mismatch: %q", data)
+	}
+}
+
+func TestBodyBuffer_NilBody(t *testing.T) {
+	rec := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(rec)
+	c.Request = httptest.NewRequest(http.MethodGet, "/", nil)
+	c.Request.Body = nil
+
+	// Should not panic
+	BodyBuffer(c)
+	if c.Request.Body != nil {
+		t.Fatalf("expected nil body to remain nil")
+	}
+}