Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/service/user_service_email_identity_sync_test.go

@@ -0,0 +1,34 @@
+//go:build unit
+
+package service
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestUpdateProfile_DoesNotReturnPartialSuccessFromEmailIdentityResync(t *testing.T) {
+	repo := &emailSyncRepoStub{
+		user: &User{
+			ID:          19,
+			Email:       "profile-before@example.com",
+			Username:    "tester",
+			Concurrency: 2,
+		},
+		replaceErr: context.DeadlineExceeded,
+	}
+	svc := NewUserService(repo, nil, nil, nil)
+
+	newEmail := "profile-after@example.com"
+	updated, err := svc.UpdateProfile(context.Background(), 19, UpdateProfileRequest{
+		Email: &newEmail,
+	})
+	require.NoError(t, err)
+	require.NotNil(t, updated)
+	require.Equal(t, newEmail, updated.Email)
+	require.Equal(t, 1, repo.updateCalls)
+	require.Empty(t, repo.replaceCalls)
+	require.Empty(t, repo.ensureCalls)
+}