change the hardcode for http constant

Author: yonbiaoxiao

middleware/rewrite_test.go

@@ -42,11 +42,11 @@ func TestRewrite(t *testing.T) {
 rec = httptest.NewRecorder()
 e.ServeHTTP(rec, req)
 assert.Equal(t, "/new%20users", req.URL.EscapedPath())
-req.URL.Path =  "/users/jill/orders/T%2FcO4lW%2Ft%2FVp%2F"
+req.URL.Path = "/users/jill/orders/T%2FcO4lW%2Ft%2FVp%2F"
 rec = httptest.NewRecorder()
 e.ServeHTTP(rec, req)
 assert.Equal(t, "/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F", req.URL.EscapedPath())
-req.URL.Path =  "/users/jill/orders/%%%%"
+req.URL.Path = "/users/jill/orders/%%%%"
 rec = httptest.NewRecorder()
 e.ServeHTTP(rec, req)
 assert.Equal(t, http.StatusBadRequest, rec.Code)
@@ -66,14 +66,14 @@ func TestEchoRewritePreMiddleware(t *testing.T) {
 
 // Route
 r.Add(http.MethodGet, "/new", func(c echo.Context) error {
-return c.NoContent(200)
+return c.NoContent(http.StatusOK)
 })
 
 req := httptest.NewRequest(http.MethodGet, "/old", nil)
 rec := httptest.NewRecorder()
 e.ServeHTTP(rec, req)
 assert.Equal(t, "/new", req.URL.EscapedPath())
-assert.Equal(t, 200, rec.Code)
+assert.Equal(t, http.StatusOK, rec.Code)
 }
 
 // Issue #1143
@@ -89,18 +89,18 @@ func TestRewriteWithConfigPreMiddleware_Issue1143(t *testing.T) {
 }))
 
 r.Add(http.MethodGet, "/api/:version/hosts/:name", func(c echo.Context) error {
-return c.String(200, "hosts")
+return c.String(http.StatusOK, "hosts")
 })
 r.Add(http.MethodGet, "/api/:version/eng", func(c echo.Context) error {
-return c.String(200, "eng")
+return c.String(http.StatusOK, "eng")
 })
 
 for i := 0; i < 100; i++ {
 req := httptest.NewRequest(http.MethodGet, "/api/v1/mgmt/proj/test/agt", nil)
 rec := httptest.NewRecorder()
 e.ServeHTTP(rec, req)
 assert.Equal(t, "/api/v1/hosts/test", req.URL.EscapedPath())
-assert.Equal(t, 200, rec.Code)
+assert.Equal(t, http.StatusOK, rec.Code)
 
 defer rec.Result().Body.Close()
 bodyBytes, _ := ioutil.ReadAll(rec.Result().Body)