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gridpilot.gg/tests/integration/leaderboards/team-rankings-use-cases.integration.test.ts
Marc Mintel 597bb48248
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integration tests
2026-01-22 17:29:06 +01:00

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35 KiB
TypeScript

/**
* Integration Test: Team Rankings Use Case Orchestration
*
* Tests the orchestration logic of team rankings-related Use Cases:
* - GetTeamRankingsUseCase: Retrieves comprehensive list of all teams with search, filter, and sort capabilities
* - Validates that Use Cases correctly interact with their Ports (Repositories, Event Publishers)
* - Uses In-Memory adapters for fast, deterministic testing
*
* Focus: Business logic orchestration, NOT UI rendering
*/
import { describe, it, expect, beforeAll, beforeEach } from 'vitest';
import { InMemoryLeaderboardsRepository } from '../../../adapters/leaderboards/persistence/inmemory/InMemoryLeaderboardsRepository';
import { InMemoryLeaderboardsEventPublisher } from '../../../adapters/leaderboards/events/InMemoryLeaderboardsEventPublisher';
import { GetTeamRankingsUseCase } from '../../../core/leaderboards/application/use-cases/GetTeamRankingsUseCase';
import { ValidationError } from '../../../core/shared/errors/ValidationError';
describe('Team Rankings Use Case Orchestration', () => {
let leaderboardsRepository: InMemoryLeaderboardsRepository;
let eventPublisher: InMemoryLeaderboardsEventPublisher;
let getTeamRankingsUseCase: GetTeamRankingsUseCase;
beforeAll(() => {
leaderboardsRepository = new InMemoryLeaderboardsRepository();
eventPublisher = new InMemoryLeaderboardsEventPublisher();
getTeamRankingsUseCase = new GetTeamRankingsUseCase({
leaderboardsRepository,
eventPublisher,
});
});
beforeEach(() => {
leaderboardsRepository.clear();
eventPublisher.clear();
});
describe('GetTeamRankingsUseCase - Success Path', () => {
it('should retrieve all teams with complete data', async () => {
// Scenario: System has multiple teams with complete data
// Given: Multiple teams exist with various ratings, names, and member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Speed Squad',
rating: 4.7,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Champions League',
rating: 4.3,
memberCount: 4,
raceCount: 60,
});
// When: GetTeamRankingsUseCase.execute() is called with default query
const result = await getTeamRankingsUseCase.execute({});
// Then: The result should contain all teams
expect(result.teams).toHaveLength(3);
// And: Each team entry should include rank, name, rating, member count, and race count
expect(result.teams[0]).toMatchObject({
rank: 1,
id: 'team-1',
name: 'Racing Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
// And: Teams should be sorted by rating (highest first)
expect(result.teams[0].rating).toBe(4.9);
expect(result.teams[1].rating).toBe(4.7);
expect(result.teams[2].rating).toBe(4.3);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should retrieve teams with pagination', async () => {
// Scenario: System has many teams requiring pagination
// Given: More than 20 teams exist
for (let i = 1; i <= 25; i++) {
leaderboardsRepository.addTeam({
id: `team-${i}`,
name: `Team ${i}`,
rating: 5.0 - i * 0.1,
memberCount: 2 + i,
raceCount: 20 + i,
});
}
// When: GetTeamRankingsUseCase.execute() is called with page=1, limit=20
const result = await getTeamRankingsUseCase.execute({ page: 1, limit: 20 });
// Then: The result should contain 20 teams
expect(result.teams).toHaveLength(20);
// And: The result should include pagination metadata (total, page, limit)
expect(result.pagination.total).toBe(25);
expect(result.pagination.page).toBe(1);
expect(result.pagination.limit).toBe(20);
expect(result.pagination.totalPages).toBe(2);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should retrieve teams with different page sizes', async () => {
// Scenario: User requests different page sizes
// Given: More than 50 teams exist
for (let i = 1; i <= 60; i++) {
leaderboardsRepository.addTeam({
id: `team-${i}`,
name: `Team ${i}`,
rating: 5.0 - i * 0.1,
memberCount: 2 + i,
raceCount: 20 + i,
});
}
// When: GetTeamRankingsUseCase.execute() is called with limit=50
const result = await getTeamRankingsUseCase.execute({ limit: 50 });
// Then: The result should contain 50 teams
expect(result.teams).toHaveLength(50);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should retrieve teams with consistent ranking order', async () => {
// Scenario: Verify ranking consistency
// Given: Multiple teams exist with various ratings
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.3,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: Team ranks should be sequential (1, 2, 3...)
expect(result.teams[0].rank).toBe(1);
expect(result.teams[1].rank).toBe(2);
expect(result.teams[2].rank).toBe(3);
// And: No duplicate ranks should appear
const ranks = result.teams.map((t) => t.rank);
expect(new Set(ranks).size).toBe(ranks.length);
// And: All ranks should be sequential
for (let i = 0; i < ranks.length; i++) {
expect(ranks[i]).toBe(i + 1);
}
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should retrieve teams with accurate data', async () => {
// Scenario: Verify data accuracy
// Given: Teams exist with valid ratings, names, and member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: All team ratings should be valid numbers
expect(result.teams[0].rating).toBeGreaterThan(0);
expect(typeof result.teams[0].rating).toBe('number');
// And: All team ranks should be sequential
expect(result.teams[0].rank).toBe(1);
// And: All team names should be non-empty strings
expect(result.teams[0].name).toBeTruthy();
expect(typeof result.teams[0].name).toBe('string');
// And: All member counts should be valid numbers
expect(result.teams[0].memberCount).toBeGreaterThan(0);
expect(typeof result.teams[0].memberCount).toBe('number');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
});
describe('GetTeamRankingsUseCase - Search Functionality', () => {
it('should search for teams by name', async () => {
// Scenario: User searches for a specific team
// Given: Teams exist with names: "Racing Team", "Speed Squad", "Champions League"
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Speed Squad',
rating: 4.7,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Champions League',
rating: 4.3,
memberCount: 4,
raceCount: 60,
});
// When: GetTeamRankingsUseCase.execute() is called with search="Racing"
const result = await getTeamRankingsUseCase.execute({ search: 'Racing' });
// Then: The result should contain teams whose names contain "Racing"
expect(result.teams).toHaveLength(1);
expect(result.teams[0].name).toBe('Racing Team');
// And: The result should not contain teams whose names do not contain "Racing"
expect(result.teams.map((t) => t.name)).not.toContain('Speed Squad');
expect(result.teams.map((t) => t.name)).not.toContain('Champions League');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should search for teams by partial name', async () => {
// Scenario: User searches with partial name
// Given: Teams exist with names: "Racing Team", "Racing Squad", "Racing League"
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Racing Squad',
rating: 4.7,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Racing League',
rating: 4.3,
memberCount: 4,
raceCount: 60,
});
// When: GetTeamRankingsUseCase.execute() is called with search="Racing"
const result = await getTeamRankingsUseCase.execute({ search: 'Racing' });
// Then: The result should contain all teams whose names start with "Racing"
expect(result.teams).toHaveLength(3);
expect(result.teams.map((t) => t.name)).toContain('Racing Team');
expect(result.teams.map((t) => t.name)).toContain('Racing Squad');
expect(result.teams.map((t) => t.name)).toContain('Racing League');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should handle case-insensitive search', async () => {
// Scenario: Search is case-insensitive
// Given: Teams exist with names: "Racing Team", "RACING SQUAD", "racing league"
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'RACING SQUAD',
rating: 4.7,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'racing league',
rating: 4.3,
memberCount: 4,
raceCount: 60,
});
// When: GetTeamRankingsUseCase.execute() is called with search="racing"
const result = await getTeamRankingsUseCase.execute({ search: 'racing' });
// Then: The result should contain all teams whose names contain "racing" (case-insensitive)
expect(result.teams).toHaveLength(3);
expect(result.teams.map((t) => t.name)).toContain('Racing Team');
expect(result.teams.map((t) => t.name)).toContain('RACING SQUAD');
expect(result.teams.map((t) => t.name)).toContain('racing league');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should return empty result when no teams match search', async () => {
// Scenario: Search returns no results
// Given: Teams exist
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
// When: GetTeamRankingsUseCase.execute() is called with search="NonExistentTeam"
const result = await getTeamRankingsUseCase.execute({ search: 'NonExistentTeam' });
// Then: The result should contain empty teams list
expect(result.teams).toHaveLength(0);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
});
describe('GetTeamRankingsUseCase - Filter Functionality', () => {
it('should filter teams by rating range', async () => {
// Scenario: User filters teams by rating
// Given: Teams exist with ratings: 3.5, 4.0, 4.5, 5.0
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 3.5,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.0,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.5,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-4',
name: 'Team D',
rating: 5.0,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with minRating=4.0
const result = await getTeamRankingsUseCase.execute({ minRating: 4.0 });
// Then: The result should only contain teams with rating >= 4.0
expect(result.teams).toHaveLength(3);
expect(result.teams.every((t) => t.rating >= 4.0)).toBe(true);
// And: Teams with rating < 4.0 should not be visible
expect(result.teams.map((t) => t.name)).not.toContain('Team A');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should filter teams by member count', async () => {
// Scenario: User filters teams by member count
// Given: Teams exist with various member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 5,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.3,
memberCount: 3,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with minMemberCount=5
const result = await getTeamRankingsUseCase.execute({ minMemberCount: 5 });
// Then: The result should only contain teams with member count >= 5
expect(result.teams).toHaveLength(1);
expect(result.teams[0].memberCount).toBeGreaterThanOrEqual(5);
// And: Teams with fewer members should not be visible
expect(result.teams.map((t) => t.name)).not.toContain('Team A');
expect(result.teams.map((t) => t.name)).not.toContain('Team C');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should filter teams by multiple criteria', async () => {
// Scenario: User applies multiple filters
// Given: Teams exist with various ratings and member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 5,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 3,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.3,
memberCount: 5,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-4',
name: 'Team D',
rating: 3.5,
memberCount: 5,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with minRating=4.0 and minMemberCount=5
const result = await getTeamRankingsUseCase.execute({ minRating: 4.0, minMemberCount: 5 });
// Then: The result should only contain teams with rating >= 4.0 and member count >= 5
expect(result.teams).toHaveLength(2);
expect(result.teams.every((t) => t.rating >= 4.0 && t.memberCount >= 5)).toBe(true);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should handle empty filter results', async () => {
// Scenario: Filters return no results
// Given: Teams exist
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 3.5,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with minRating=10.0 (impossible)
const result = await getTeamRankingsUseCase.execute({ minRating: 10.0 });
// Then: The result should contain empty teams list
expect(result.teams).toHaveLength(0);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
});
describe('GetTeamRankingsUseCase - Sort Functionality', () => {
it('should sort teams by rating (high to low)', async () => {
// Scenario: User sorts teams by rating
// Given: Teams exist with ratings: 3.5, 4.0, 4.5, 5.0
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 3.5,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.0,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.5,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-4',
name: 'Team D',
rating: 5.0,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with sortBy="rating", sortOrder="desc"
const result = await getTeamRankingsUseCase.execute({ sortBy: 'rating', sortOrder: 'desc' });
// Then: The result should be sorted by rating in descending order
expect(result.teams[0].rating).toBe(5.0);
expect(result.teams[1].rating).toBe(4.5);
expect(result.teams[2].rating).toBe(4.0);
expect(result.teams[3].rating).toBe(3.5);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should sort teams by name (A-Z)', async () => {
// Scenario: User sorts teams by name
// Given: Teams exist with names: "Zoe Team", "Alpha Squad", "Beta League"
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Zoe Team',
rating: 4.9,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Alpha Squad',
rating: 4.7,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Beta League',
rating: 4.3,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with sortBy="name", sortOrder="asc"
const result = await getTeamRankingsUseCase.execute({ sortBy: 'name', sortOrder: 'asc' });
// Then: The result should be sorted alphabetically by name
expect(result.teams[0].name).toBe('Alpha Squad');
expect(result.teams[1].name).toBe('Beta League');
expect(result.teams[2].name).toBe('Zoe Team');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should sort teams by rank (low to high)', async () => {
// Scenario: User sorts teams by rank
// Given: Teams exist with various ranks
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 2,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.3,
memberCount: 2,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with sortBy="rank", sortOrder="asc"
const result = await getTeamRankingsUseCase.execute({ sortBy: 'rank', sortOrder: 'asc' });
// Then: The result should be sorted by rank in ascending order
expect(result.teams[0].rank).toBe(1);
expect(result.teams[1].rank).toBe(2);
expect(result.teams[2].rank).toBe(3);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should sort teams by member count (high to low)', async () => {
// Scenario: User sorts teams by member count
// Given: Teams exist with various member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 5,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 3,
raceCount: 20,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Team C',
rating: 4.3,
memberCount: 4,
raceCount: 20,
});
// When: GetTeamRankingsUseCase.execute() is called with sortBy="memberCount", sortOrder="desc"
const result = await getTeamRankingsUseCase.execute({ sortBy: 'memberCount', sortOrder: 'desc' });
// Then: The result should be sorted by member count in descending order
expect(result.teams[0].memberCount).toBe(5);
expect(result.teams[1].memberCount).toBe(4);
expect(result.teams[2].memberCount).toBe(3);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
});
describe('GetTeamRankingsUseCase - Edge Cases', () => {
it('should handle system with no teams', async () => {
// Scenario: System has no teams
// Given: No teams exist in the system
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: The result should contain empty teams list
expect(result.teams).toHaveLength(0);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should handle teams with same rating', async () => {
// Scenario: Multiple teams with identical ratings
// Given: Multiple teams exist with the same rating
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Zeta Team',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Alpha Team',
rating: 4.9,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Beta Team',
rating: 4.9,
memberCount: 4,
raceCount: 60,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: Teams should be sorted by rating
expect(result.teams[0].rating).toBe(4.9);
expect(result.teams[1].rating).toBe(4.9);
expect(result.teams[2].rating).toBe(4.9);
// And: Teams with same rating should have consistent ordering (e.g., by name)
expect(result.teams[0].name).toBe('Alpha Team');
expect(result.teams[1].name).toBe('Beta Team');
expect(result.teams[2].name).toBe('Zeta Team');
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should handle teams with no members', async () => {
// Scenario: Teams with no members
// Given: Teams exist with and without members
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Team B',
rating: 4.7,
memberCount: 0,
raceCount: 80,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: All teams should be returned
expect(result.teams).toHaveLength(2);
// And: Teams without members should show member count as 0
expect(result.teams[0].memberCount).toBe(5);
expect(result.teams[1].memberCount).toBe(0);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
it('should handle pagination with empty results', async () => {
// Scenario: Pagination with no results
// Given: No teams exist
// When: GetTeamRankingsUseCase.execute() is called with page=1, limit=20
const result = await getTeamRankingsUseCase.execute({ page: 1, limit: 20 });
// Then: The result should contain empty teams list
expect(result.teams).toHaveLength(0);
// And: Pagination metadata should show total=0
expect(result.pagination.total).toBe(0);
expect(result.pagination.page).toBe(1);
expect(result.pagination.limit).toBe(20);
expect(result.pagination.totalPages).toBe(0);
// And: EventPublisher should emit TeamRankingsAccessedEvent
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(1);
});
});
describe('GetTeamRankingsUseCase - Error Handling', () => {
it('should handle team repository errors gracefully', async () => {
// Scenario: Team repository throws error
// Given: LeaderboardsRepository throws an error during query
const originalFindAllTeams = leaderboardsRepository.findAllTeams.bind(leaderboardsRepository);
leaderboardsRepository.findAllTeams = async () => {
throw new Error('Team repository error');
};
// When: GetTeamRankingsUseCase.execute() is called
try {
await getTeamRankingsUseCase.execute({});
// Should not reach here
expect(true).toBe(false);
} catch (error) {
// Then: Should propagate the error appropriately
expect(error).toBeInstanceOf(Error);
expect((error as Error).message).toBe('Team repository error');
}
// And: EventPublisher should NOT emit any events
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(0);
// Restore original method
leaderboardsRepository.findAllTeams = originalFindAllTeams;
});
it('should handle driver repository errors gracefully', async () => {
// Scenario: Driver repository throws error
// Given: LeaderboardsRepository throws an error during query
const originalFindAllDrivers = leaderboardsRepository.findAllDrivers.bind(leaderboardsRepository);
leaderboardsRepository.findAllDrivers = async () => {
throw new Error('Driver repository error');
};
// When: GetTeamRankingsUseCase.execute() is called
try {
await getTeamRankingsUseCase.execute({});
// Should not reach here
expect(true).toBe(false);
} catch (error) {
// Then: Should propagate the error appropriately
expect(error).toBeInstanceOf(Error);
expect((error as Error).message).toBe('Driver repository error');
}
// And: EventPublisher should NOT emit any events
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(0);
// Restore original method
leaderboardsRepository.findAllDrivers = originalFindAllDrivers;
});
it('should handle invalid query parameters', async () => {
// Scenario: Invalid query parameters
// Given: Invalid parameters (e.g., negative page, invalid sort field)
// When: GetTeamRankingsUseCase.execute() is called with invalid parameters
try {
await getTeamRankingsUseCase.execute({ page: -1 });
// Should not reach here
expect(true).toBe(false);
} catch (error) {
// Then: Should throw ValidationError
expect(error).toBeInstanceOf(ValidationError);
}
// And: EventPublisher should NOT emit any events
expect(eventPublisher.getTeamRankingsAccessedEventCount()).toBe(0);
});
});
describe('Team Rankings Data Orchestration', () => {
it('should correctly calculate team rankings based on rating', async () => {
// Scenario: Team ranking calculation
// Given: Teams exist with ratings: 4.9, 4.7, 4.6, 4.3, 4.1
const ratings = [4.9, 4.7, 4.6, 4.3, 4.1];
ratings.forEach((rating, index) => {
leaderboardsRepository.addTeam({
id: `team-${index}`,
name: `Team ${index}`,
rating,
memberCount: 2 + index,
raceCount: 20 + index,
});
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: Team rankings should be:
// - Rank 1: Team with rating 4.9
// - Rank 2: Team with rating 4.7
// - Rank 3: Team with rating 4.6
// - Rank 4: Team with rating 4.3
// - Rank 5: Team with rating 4.1
expect(result.teams[0].rank).toBe(1);
expect(result.teams[0].rating).toBe(4.9);
expect(result.teams[1].rank).toBe(2);
expect(result.teams[1].rating).toBe(4.7);
expect(result.teams[2].rank).toBe(3);
expect(result.teams[2].rating).toBe(4.6);
expect(result.teams[3].rank).toBe(4);
expect(result.teams[3].rating).toBe(4.3);
expect(result.teams[4].rank).toBe(5);
expect(result.teams[4].rating).toBe(4.1);
});
it('should correctly format team entries with member count', async () => {
// Scenario: Team entry formatting
// Given: A team exists with members
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: Team entry should include:
// - Rank: Sequential number
// - Name: Team's name
// - Rating: Team's rating (formatted)
// - Member Count: Number of drivers in team
// - Race Count: Number of races completed
const team = result.teams[0];
expect(team.rank).toBe(1);
expect(team.name).toBe('Racing Team A');
expect(team.rating).toBe(4.9);
expect(team.memberCount).toBe(5);
expect(team.raceCount).toBe(100);
});
it('should correctly handle pagination metadata', async () => {
// Scenario: Pagination metadata calculation
// Given: 50 teams exist
for (let i = 1; i <= 50; i++) {
leaderboardsRepository.addTeam({
id: `team-${i}`,
name: `Team ${i}`,
rating: 5.0 - i * 0.1,
memberCount: 2 + i,
raceCount: 20 + i,
});
}
// When: GetTeamRankingsUseCase.execute() is called with page=2, limit=20
const result = await getTeamRankingsUseCase.execute({ page: 2, limit: 20 });
// Then: Pagination metadata should include:
// - Total: 50
// - Page: 2
// - Limit: 20
// - Total Pages: 3
expect(result.pagination.total).toBe(50);
expect(result.pagination.page).toBe(2);
expect(result.pagination.limit).toBe(20);
expect(result.pagination.totalPages).toBe(3);
});
it('should correctly aggregate member counts from drivers', async () => {
// Scenario: Member count aggregation
// Given: A team exists with 5 drivers
// And: Each driver is affiliated with the team
leaderboardsRepository.addDriver({
id: 'driver-1',
name: 'Driver A',
rating: 5.0,
teamId: 'team-1',
teamName: 'Team 1',
raceCount: 10,
});
leaderboardsRepository.addDriver({
id: 'driver-2',
name: 'Driver B',
rating: 4.8,
teamId: 'team-1',
teamName: 'Team 1',
raceCount: 10,
});
leaderboardsRepository.addDriver({
id: 'driver-3',
name: 'Driver C',
rating: 4.5,
teamId: 'team-1',
teamName: 'Team 1',
raceCount: 10,
});
leaderboardsRepository.addDriver({
id: 'driver-4',
name: 'Driver D',
rating: 4.2,
teamId: 'team-1',
teamName: 'Team 1',
raceCount: 10,
});
leaderboardsRepository.addDriver({
id: 'driver-5',
name: 'Driver E',
rating: 4.0,
teamId: 'team-1',
teamName: 'Team 1',
raceCount: 10,
});
// When: GetTeamRankingsUseCase.execute() is called
const result = await getTeamRankingsUseCase.execute({});
// Then: The team entry should show member count as 5
expect(result.teams[0].memberCount).toBe(5);
});
it('should correctly apply search, filter, and sort together', async () => {
// Scenario: Combined query operations
// Given: Teams exist with various names, ratings, and member counts
leaderboardsRepository.addTeam({
id: 'team-1',
name: 'Racing Team A',
rating: 4.9,
memberCount: 5,
raceCount: 100,
});
leaderboardsRepository.addTeam({
id: 'team-2',
name: 'Racing Squad',
rating: 4.7,
memberCount: 3,
raceCount: 80,
});
leaderboardsRepository.addTeam({
id: 'team-3',
name: 'Champions League',
rating: 4.3,
memberCount: 4,
raceCount: 60,
});
leaderboardsRepository.addTeam({
id: 'team-4',
name: 'Racing League',
rating: 3.5,
memberCount: 2,
raceCount: 40,
});
// When: GetTeamRankingsUseCase.execute() is called with:
// - search: "Racing"
// - minRating: 4.0
// - minMemberCount: 5
// - sortBy: "rating"
// - sortOrder: "desc"
const result = await getTeamRankingsUseCase.execute({
search: 'Racing',
minRating: 4.0,
minMemberCount: 5,
sortBy: 'rating',
sortOrder: 'desc',
});
// Then: The result should:
// - Only contain teams with rating >= 4.0
// - Only contain teams with member count >= 5
// - Only contain teams whose names contain "Racing"
// - Be sorted by rating in descending order
expect(result.teams).toHaveLength(1);
expect(result.teams[0].name).toBe('Racing Team A');
expect(result.teams[0].rating).toBe(4.9);
expect(result.teams[0].memberCount).toBe(5);
});
});
});