test: Add Feedback service tests (605 lines, 33 tests)

Created comprehensive test suite for user feedback management service:

- Create feedback with automatic sentiment detection
- Priority calculation based on type and sentiment
- Feedback CRUD operations (get by ID, user history, admin list)
- Status management (new/triaged/in progress/resolved/closed)
- Admin workflow (assignment, internal notes, resolution)
- Feature request upvoting system
- Feedback statistics (by type/status/priority, resolution time, response rate)
- Trending feature requests (sorted by upvotes)
- Sentiment analysis (positive/negative/neutral detection)
- Advanced filtering (type, status, priority, category, platform)
- Pagination support
- Analytics integration

Tests cover:
- Sentiment detection (positive, negative, very_positive, very_negative, neutral)
- Priority assignment (HIGH for bugs/performance, MEDIUM/LOW for features)
- All feedback types (bug report, feature request, general, performance, ui/ux)
- All statuses (new, triaged, in progress, resolved, closed)
- Admin operations (assign, update status, add notes)
- Upvoting restricted to feature requests
- Statistics calculation with empty data handling
- Error scenarios (not found, invalid operations)

Total: 605 lines, 33 test cases
Coverage: Feedback management, sentiment analysis, admin workflow

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-10-02 20:02:37 +00:00
parent def4c5ffe1
commit d03c90a1d7

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import { Test, TestingModule } from '@nestjs/testing';
import { getRepositoryToken } from '@nestjs/typeorm';
import { Repository, FindOptionsWhere, In } from 'typeorm';
import { NotFoundException, BadRequestException } from '@nestjs/common';
import { FeedbackService, FeedbackFilters } from './feedback.service';
import {
Feedback,
FeedbackType,
FeedbackStatus,
FeedbackPriority,
} from './feedback.entity';
import { CreateFeedbackDto } from './dto/create-feedback.dto';
import {
AnalyticsService,
AnalyticsEvent,
} from '../../common/services/analytics.service';
describe('FeedbackService', () => {
let service: FeedbackService;
let feedbackRepository: Repository<Feedback>;
let analyticsService: AnalyticsService;
const mockFeedback = {
id: 'fb_123',
userId: 'user_123',
type: FeedbackType.BUG_REPORT,
title: 'App crashes',
message: 'The app crashes when I try to log feeding',
category: 'tracking',
page: '/track/feeding',
platform: 'web',
appVersion: '1.0.0',
sentiment: 'negative',
priority: FeedbackPriority.HIGH,
status: FeedbackStatus.NEW,
upvotes: 0,
contactAllowed: true,
createdAt: new Date(),
updatedAt: new Date(),
};
const mockFeedbackRepository = {
create: jest.fn(),
save: jest.fn(),
find: jest.fn(),
findOne: jest.fn(),
findAndCount: jest.fn(),
};
const mockAnalyticsService = {
trackEvent: jest.fn().mockResolvedValue(undefined),
};
beforeEach(async () => {
const module: TestingModule = await Test.createTestingModule({
providers: [
FeedbackService,
{
provide: getRepositoryToken(Feedback),
useValue: mockFeedbackRepository,
},
{
provide: AnalyticsService,
useValue: mockAnalyticsService,
},
],
}).compile();
service = module.get<FeedbackService>(FeedbackService);
feedbackRepository = module.get<Repository<Feedback>>(
getRepositoryToken(Feedback),
);
analyticsService = module.get<AnalyticsService>(AnalyticsService);
jest.clearAllMocks();
});
it('should be defined', () => {
expect(service).toBeDefined();
});
describe('createFeedback', () => {
it('should create feedback with sentiment detection', async () => {
const createDto: CreateFeedbackDto = {
type: FeedbackType.BUG_REPORT,
message: 'App crashes and has terrible bugs',
title: 'Crashes',
category: 'tracking',
page: '/track',
platform: 'web',
};
mockFeedbackRepository.create.mockReturnValue(mockFeedback);
mockFeedbackRepository.save.mockResolvedValue(mockFeedback);
const result = await service.createFeedback('user_123', createDto);
expect(feedbackRepository.create).toHaveBeenCalledWith(
expect.objectContaining({
userId: 'user_123',
type: FeedbackType.BUG_REPORT,
sentiment: 'negative',
priority: FeedbackPriority.HIGH,
status: FeedbackStatus.NEW,
}),
);
expect(feedbackRepository.save).toHaveBeenCalled();
expect(analyticsService.trackEvent).toHaveBeenCalledWith(
expect.objectContaining({
event: AnalyticsEvent.FEEDBACK_SUBMITTED,
userId: 'user_123',
}),
);
expect(result).toEqual(mockFeedback);
});
it('should assign HIGH priority to critical bugs', async () => {
const createDto: CreateFeedbackDto = {
type: FeedbackType.BUG_REPORT,
message: 'Crash error awful',
category: 'tracking',
};
mockFeedbackRepository.create.mockImplementation((data) => ({
...mockFeedback,
...data,
}));
mockFeedbackRepository.save.mockResolvedValue(mockFeedback);
await service.createFeedback('user_123', createDto);
expect(feedbackRepository.create).toHaveBeenCalledWith(
expect.objectContaining({
priority: FeedbackPriority.HIGH,
}),
);
});
it('should assign HIGH priority to performance issues', async () => {
const createDto: CreateFeedbackDto = {
type: FeedbackType.PERFORMANCE_ISSUE,
message: 'App is very slow',
category: 'general',
};
mockFeedbackRepository.create.mockImplementation((data) => ({
...mockFeedback,
...data,
}));
mockFeedbackRepository.save.mockResolvedValue(mockFeedback);
await service.createFeedback('user_123', createDto);
expect(feedbackRepository.create).toHaveBeenCalledWith(
expect.objectContaining({
priority: FeedbackPriority.HIGH,
}),
);
});
it('should assign MEDIUM/LOW priority to feature requests', async () => {
const createDto: CreateFeedbackDto = {
type: FeedbackType.FEATURE_REQUEST,
message: 'Please add dark mode',
category: 'ui',
};
mockFeedbackRepository.create.mockImplementation((data) => ({
...mockFeedback,
...data,
}));
mockFeedbackRepository.save.mockResolvedValue(mockFeedback);
await service.createFeedback('user_123', createDto);
const createCall = mockFeedbackRepository.create.mock.calls[0][0];
expect([FeedbackPriority.MEDIUM, FeedbackPriority.LOW]).toContain(
createCall.priority,
);
});
it('should handle save failures', async () => {
mockFeedbackRepository.save.mockRejectedValue(
new Error('Database error'),
);
const createDto: CreateFeedbackDto = {
type: FeedbackType.BUG_REPORT,
message: 'Test',
category: 'test',
};
await expect(
service.createFeedback('user_123', createDto),
).rejects.toThrow(BadRequestException);
});
});
describe('getFeedback', () => {
it('should get feedback by ID', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(mockFeedback);
const result = await service.getFeedback('fb_123');
expect(feedbackRepository.findOne).toHaveBeenCalledWith({
where: { id: 'fb_123' },
});
expect(result).toEqual(mockFeedback);
});
it('should throw NotFoundException if not found', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(null);
await expect(service.getFeedback('fb_123')).rejects.toThrow(
NotFoundException,
);
});
});
describe('getUserFeedback', () => {
it('should get all feedback for a user', async () => {
mockFeedbackRepository.find.mockResolvedValue([mockFeedback]);
const result = await service.getUserFeedback('user_123');
expect(feedbackRepository.find).toHaveBeenCalledWith({
where: { userId: 'user_123' },
order: { createdAt: 'DESC' },
});
expect(result).toEqual([mockFeedback]);
});
it('should filter by type', async () => {
mockFeedbackRepository.find.mockResolvedValue([]);
const filters: FeedbackFilters = {
type: FeedbackType.FEATURE_REQUEST,
};
await service.getUserFeedback('user_123', filters);
expect(feedbackRepository.find).toHaveBeenCalledWith({
where: {
userId: 'user_123',
type: FeedbackType.FEATURE_REQUEST,
},
order: { createdAt: 'DESC' },
});
});
it('should filter by status', async () => {
mockFeedbackRepository.find.mockResolvedValue([]);
const filters: FeedbackFilters = {
status: FeedbackStatus.RESOLVED,
};
await service.getUserFeedback('user_123', filters);
expect(feedbackRepository.find).toHaveBeenCalledWith({
where: {
userId: 'user_123',
status: FeedbackStatus.RESOLVED,
},
order: { createdAt: 'DESC' },
});
});
it('should filter by category', async () => {
mockFeedbackRepository.find.mockResolvedValue([]);
const filters: FeedbackFilters = {
category: 'tracking',
};
await service.getUserFeedback('user_123', filters);
expect(feedbackRepository.find).toHaveBeenCalledWith({
where: {
userId: 'user_123',
category: 'tracking',
},
order: { createdAt: 'DESC' },
});
});
});
describe('getAllFeedback', () => {
it('should get paginated feedback', async () => {
mockFeedbackRepository.findAndCount.mockResolvedValue([
[mockFeedback],
10,
]);
const result = await service.getAllFeedback({}, 2, 5);
expect(feedbackRepository.findAndCount).toHaveBeenCalledWith({
where: {},
order: { priority: 'DESC', createdAt: 'DESC' },
skip: 5,
take: 5,
});
expect(result.feedback).toEqual([mockFeedback]);
expect(result.total).toBe(10);
});
it('should apply all filters', async () => {
mockFeedbackRepository.findAndCount.mockResolvedValue([[], 0]);
const filters: FeedbackFilters = {
type: FeedbackType.BUG_REPORT,
status: FeedbackStatus.NEW,
priority: FeedbackPriority.HIGH,
category: 'tracking',
platform: 'mobile',
};
await service.getAllFeedback(filters, 1, 10);
expect(feedbackRepository.findAndCount).toHaveBeenCalledWith({
where: {
type: FeedbackType.BUG_REPORT,
status: FeedbackStatus.NEW,
priority: FeedbackPriority.HIGH,
category: 'tracking',
platform: 'mobile',
},
order: { priority: 'DESC', createdAt: 'DESC' },
skip: 0,
take: 10,
});
});
});
describe('updateStatus', () => {
it('should update feedback status', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(mockFeedback);
const updatedFeedback = { ...mockFeedback, status: FeedbackStatus.TRIAGED };
mockFeedbackRepository.save.mockResolvedValue(updatedFeedback);
const result = await service.updateStatus(
'fb_123',
FeedbackStatus.TRIAGED,
'admin_123',
);
expect(feedbackRepository.save).toHaveBeenCalledWith(
expect.objectContaining({
status: FeedbackStatus.TRIAGED,
}),
);
expect(result.status).toBe(FeedbackStatus.TRIAGED);
});
it('should set resolution details when resolving', async () => {
const feedbackToResolve = { ...mockFeedback };
mockFeedbackRepository.findOne.mockResolvedValue(feedbackToResolve);
mockFeedbackRepository.save.mockResolvedValue({
...feedbackToResolve,
status: FeedbackStatus.RESOLVED,
resolvedAt: new Date(),
resolvedBy: 'admin_123',
resolution: 'Fixed in v1.1.0',
});
await service.updateStatus(
'fb_123',
FeedbackStatus.RESOLVED,
'admin_123',
'Fixed in v1.1.0',
);
expect(feedbackRepository.save).toHaveBeenCalledWith(
expect.objectContaining({
status: FeedbackStatus.RESOLVED,
resolvedAt: expect.any(Date),
resolvedBy: 'admin_123',
resolution: 'Fixed in v1.1.0',
}),
);
});
it('should throw error if feedback not found', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(null);
await expect(
service.updateStatus('fb_123', FeedbackStatus.RESOLVED, 'admin_123'),
).rejects.toThrow(NotFoundException);
});
});
describe('assignFeedback', () => {
it('should assign feedback to team member', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(mockFeedback);
mockFeedbackRepository.save.mockResolvedValue({
...mockFeedback,
assignedTo: 'dev_123',
status: FeedbackStatus.TRIAGED,
});
const result = await service.assignFeedback('fb_123', 'dev_123');
expect(feedbackRepository.save).toHaveBeenCalledWith(
expect.objectContaining({
assignedTo: 'dev_123',
status: FeedbackStatus.TRIAGED,
}),
);
expect(result.assignedTo).toBe('dev_123');
});
});
describe('addInternalNotes', () => {
it('should add internal notes', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(mockFeedback);
mockFeedbackRepository.save.mockResolvedValue({
...mockFeedback,
internalNotes: 'Investigating this issue',
});
const result = await service.addInternalNotes(
'fb_123',
'Investigating this issue',
);
expect(feedbackRepository.save).toHaveBeenCalledWith(
expect.objectContaining({
internalNotes: 'Investigating this issue',
}),
);
expect(result.internalNotes).toBe('Investigating this issue');
});
});
describe('upvoteFeedback', () => {
it('should upvote feature request', async () => {
const featureRequest = {
...mockFeedback,
type: FeedbackType.FEATURE_REQUEST,
upvotes: 5,
};
mockFeedbackRepository.findOne.mockResolvedValue(featureRequest);
mockFeedbackRepository.save.mockResolvedValue({
...featureRequest,
upvotes: 6,
});
const result = await service.upvoteFeedback('fb_123', 'user_456');
expect(feedbackRepository.save).toHaveBeenCalledWith(
expect.objectContaining({
upvotes: 6,
}),
);
expect(analyticsService.trackEvent).toHaveBeenCalledWith(
expect.objectContaining({
event: AnalyticsEvent.FEATURE_UPVOTED,
userId: 'user_456',
}),
);
expect(result.upvotes).toBe(6);
});
it('should throw error if not a feature request', async () => {
mockFeedbackRepository.findOne.mockResolvedValue(mockFeedback);
await expect(
service.upvoteFeedback('fb_123', 'user_456'),
).rejects.toThrow(BadRequestException);
});
});
describe('getFeedbackStats', () => {
it('should calculate feedback statistics', async () => {
const feedbacks = [
{ ...mockFeedback, type: FeedbackType.BUG_REPORT, status: FeedbackStatus.NEW, priority: FeedbackPriority.HIGH },
{ ...mockFeedback, type: FeedbackType.FEATURE_REQUEST, status: FeedbackStatus.TRIAGED, priority: FeedbackPriority.LOW },
{ ...mockFeedback, type: FeedbackType.BUG_REPORT, status: FeedbackStatus.RESOLVED, priority: FeedbackPriority.MEDIUM, resolvedAt: new Date() },
];
mockFeedbackRepository.find.mockResolvedValue(feedbacks);
const result = await service.getFeedbackStats();
expect(result.total).toBe(3);
expect(result.byType[FeedbackType.BUG_REPORT]).toBe(2);
expect(result.byType[FeedbackType.FEATURE_REQUEST]).toBe(1);
expect(result.byStatus[FeedbackStatus.NEW]).toBe(1);
expect(result.byStatus[FeedbackStatus.RESOLVED]).toBe(1);
expect(result.byPriority[FeedbackPriority.HIGH]).toBe(1);
expect(result.responseRate).toBeGreaterThan(0);
});
it('should handle empty feedback list', async () => {
mockFeedbackRepository.find.mockResolvedValue([]);
const result = await service.getFeedbackStats();
expect(result.total).toBe(0);
expect(result.averageResolutionTime).toBe(0);
expect(result.responseRate).toBe(0);
});
});
describe('getTrendingFeatureRequests', () => {
it('should get feature requests by upvotes', async () => {
const trending = [
{ ...mockFeedback, type: FeedbackType.FEATURE_REQUEST, upvotes: 50 },
{ ...mockFeedback, type: FeedbackType.FEATURE_REQUEST, upvotes: 30 },
];
mockFeedbackRepository.find.mockResolvedValue(trending);
const result = await service.getTrendingFeatureRequests(10);
expect(feedbackRepository.find).toHaveBeenCalledWith({
where: {
type: FeedbackType.FEATURE_REQUEST,
status: expect.any(Object),
},
order: { upvotes: 'DESC', createdAt: 'DESC' },
take: 10,
});
expect(result).toEqual(trending);
});
});
describe('detectSentiment', () => {
it('should detect negative sentiment', () => {
const sentiment = (service as any).detectSentiment(
'This is a terrible bug that crashes the app',
);
expect(sentiment).toMatch(/negative/);
});
it('should detect very negative sentiment', () => {
const sentiment = (service as any).detectSentiment(
'Awful terrible broken crash bug error',
);
expect(sentiment).toBe('very_negative');
});
it('should detect positive sentiment', () => {
const sentiment = (service as any).detectSentiment(
'I love this feature, it is great!',
);
expect(sentiment).toMatch(/positive/);
});
it('should detect very positive sentiment', () => {
const sentiment = (service as any).detectSentiment(
'Amazing excellent wonderful fantastic love',
);
expect(sentiment).toBe('very_positive');
});
it('should detect neutral sentiment', () => {
const sentiment = (service as any).detectSentiment(
'The app works as expected',
);
expect(sentiment).toBe('neutral');
});
});
describe('calculatePriority', () => {
it('should assign HIGH priority to negative bug reports', () => {
const priority = (service as any).calculatePriority(
FeedbackType.BUG_REPORT,
'negative',
);
expect(priority).toBe(FeedbackPriority.HIGH);
});
it('should assign HIGH priority to performance issues', () => {
const priority = (service as any).calculatePriority(
FeedbackType.PERFORMANCE_ISSUE,
'neutral',
);
expect(priority).toBe(FeedbackPriority.HIGH);
});
it('should assign MEDIUM priority to positive feature requests', () => {
const priority = (service as any).calculatePriority(
FeedbackType.FEATURE_REQUEST,
'very_positive',
);
expect(priority).toBe(FeedbackPriority.MEDIUM);
});
it('should assign LOW priority to neutral feature requests', () => {
const priority = (service as any).calculatePriority(
FeedbackType.FEATURE_REQUEST,
'neutral',
);
expect(priority).toBe(FeedbackPriority.LOW);
});
});
});