[#30] test: fcm 토큰 수정 기능 관련 테스트 코드 추가

app/user/services/user_service_test.go

@@ -97,6 +97,123 @@ func TestUserService_Login(t *testing.T) {
 	assert.NotEmpty(t, responseToken.Token)
 }
 
+func TestUserService_UpdateFcmToken(t *testing.T) {
+	// Mock UserRepository and UserUtil
+	mockRepo := new(MockUserRepository)
+	mockUtil := new(MockUserUtil)
+
+	// Set up sample user for the test
+	input := types.RequestUpdateFcmToken{
+		FcmToken: "new_token",
+	}
+
+	// Set up expectations
+	currentUser := &models.User{
+		ID:       1,
+		Name:     "test",
+		Nickname: "test",
+		Email:    "test@gmail.com",
+		Age:      25,
+		Gender:   "male",
+		FcmToken: "old_token",
+	}
+
+	updatedUser := &models.User{
+		ID:       1,
+		Name:     "test",
+		Nickname: "test",
+		Email:    "test@gmail.com",
+		Age:      25,
+		Gender:   "male",
+		FcmToken: "new_token",
+	}
+
+	// Set up expectations for the mock util
+	mockUtil.On("FindCurrentUser", mock.AnythingOfType("*gin.Context")).Return(currentUser, nil)
+
+	// Set up expectations for the mock repository
+	mockRepo.On("Update", mock.AnythingOfType("*models.User")).Return(*updatedUser, nil)
+
+	// Create UserService with the mock repository and util
+	userService := services.NewUserService(mockRepo, mockUtil)
+
+	// Create a test context
+	ctx, _ := gin.CreateTestContext(nil)
+
+	// Call the method under test
+	err := userService.UpdateFcmToken(ctx, input)
+
+	// Assert that the expectations were met
+	mockUtil.AssertExpectations(t)
+	mockRepo.AssertExpectations(t)
+
+	// Check the results
+	assert.Nil(t, err)
+}
+
+func TestUserService_UpdateFcmToken_NoUser(t *testing.T) {
+	// Mock UserRepository
+	mockRepo := new(MockUserRepository)
+	mockUtil := new(MockUserUtil)
+
+	// Set up expectations for the mock util
+	mockUtil.On("FindCurrentUser", mock.AnythingOfType("*gin.Context")).Return((*models.User)(nil), errors.New("user not found"))
+
+	// Create UserService with the mock repository and util
+	userService := services.NewUserService(mockRepo, mockUtil)
+
+	// Create a test context
+	ctx, _ := gin.CreateTestContext(nil)
+
+	// Set up sample user for the test
+	input := types.RequestUpdateFcmToken{
+		FcmToken: "new_token",
+	}
+
+	// Call the method under test
+	err := userService.UpdateFcmToken(ctx, input)
+
+	// Assert that the expectations were met
+	mockUtil.AssertExpectations(t)
+
+	// Check the results
+	assert.NotNil(t, err)
+	assert.EqualError(t, err, "user not found")
+}
+
+func TestUserService_UpdateFcmToken_Error(t *testing.T) {
+	// Mock UserRepository
+	mockRepo := new(MockUserRepository)
+	mockUtil := new(MockUserUtil)
+
+	// Set up expectations for the mock util
+	mockUtil.On("FindCurrentUser", mock.AnythingOfType("*gin.Context")).Return(&models.User{}, nil)
+
+	// Set up sample user for the test
+	input := types.RequestUpdateFcmToken{
+		FcmToken: "new_token",
+	}
+
+	// Set up expectations for the mock repository
+	mockRepo.On("Update", mock.AnythingOfType("*models.User")).Return(models.User{}, errors.New("record not found"))
+
+	// Create UserService with the mock repository and util
+	userService := services.NewUserService(mockRepo, mockUtil)
+
+	// Create a test context
+	ctx, _ := gin.CreateTestContext(nil)
+
+	// Call the method under test
+	err := userService.UpdateFcmToken(ctx, input)
+
+	// Assert that the expectations were met
+	mockUtil.AssertExpectations(t)
+	mockRepo.AssertExpectations(t)
+
+	// Check the results
+	assert.NotNil(t, err)
+}
+
 func TestUserService_GetUserInfo(t *testing.T) {
 	// Mock UserRepository
 	mockRepo := new(MockUserRepository)