[#2763] fixed multipart/form-data array value bind

tools/rest/multi_binder_test.go

@@ -1,6 +1,7 @@
 package rest_test
 
 import (
+	"encoding/json"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -16,31 +17,40 @@ func TestBindBody(t *testing.T) {
 	scenarios := []struct {
 		body        io.Reader
 		contentType string
-		result      map[string]string
+		expectBody  string
 		expectError bool
 	}{
 		{
 			strings.NewReader(""),
 			echo.MIMEApplicationJSON,
-			map[string]string{},
+			`{}`,
 			false,
 		},
 		{
 			strings.NewReader(`{"test":"invalid`),
 			echo.MIMEApplicationJSON,
-			map[string]string{},
+			`{}`,
 			true,
 		},
 		{
-			strings.NewReader(`{"test":"test123"}`),
+			strings.NewReader(`{"test":123}`),
 			echo.MIMEApplicationJSON,
-			map[string]string{"test": "test123"},
+			`{"test":123}`,
 			false,
 		},
 		{
-			strings.NewReader(url.Values{"test": []string{"test123"}}.Encode()),
+			strings.NewReader(
+				url.Values{
+					"string":  []string{"str"},
+					"stings":  []string{"str1", "str2"},
+					"number":  []string{"123"},
+					"numbers": []string{"123", "456"},
+					"bool":    []string{"true"},
+					"bools":   []string{"true", "false"},
+				}.Encode(),
+			),
 			echo.MIMEApplicationForm,
-			map[string]string{"test": "test123"},
+			`{"bool":true,"bools":["true","false"],"number":123,"numbers":["123","456"],"stings":["str1","str2"],"string":"str"}`,
 			false,
 		},
 	}
@@ -52,25 +62,22 @@ func TestBindBody(t *testing.T) {
 		rec := httptest.NewRecorder()
 		c := e.NewContext(req, rec)
 
-		result := map[string]string{}
-		err := rest.BindBody(c, &result)
+		data := map[string]any{}
+		err := rest.BindBody(c, &data)
 
-		if err == nil && scenario.expectError {
-			t.Errorf("(%d) Expected error, got nil", i)
+		hasErr := err != nil
+		if hasErr != scenario.expectError {
+			t.Errorf("[%d] Expected hasErr %v, got %v", i, scenario.expectError, hasErr)
 		}
 
-		if err != nil && !scenario.expectError {
-			t.Errorf("(%d) Expected nil, got error %v", i, err)
+		rawBody, err := json.Marshal(data)
+		if err != nil {
+			t.Errorf("[%d] Failed to marshal binded body: %v", i, err)
+
 		}
 
-		if len(result) != len(scenario.result) {
-			t.Errorf("(%d) Expected %v, got %v", i, scenario.result, result)
-		}
-
-		for k, v := range result {
-			if sv, ok := scenario.result[k]; !ok || v != sv {
-				t.Errorf("(%d) Expected value %v for key %s, got %v", i, sv, k, v)
-			}
+		if scenario.expectBody != string(rawBody) {
+			t.Errorf("[%d] Expected body \n%s, \ngot \n%s", i, scenario.expectBody, rawBody)
 		}
 	}
 }