integration test placeholders
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tests/integration/dashboard/README.md
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tests/integration/dashboard/README.md
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# Dashboard Integration Tests
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This directory contains integration tests for the dashboard functionality, following the Clean Integration Testing strategy defined in `plans/clean_integration_strategy.md`.
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## Test Philosophy
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These tests focus on **Use Case orchestration** and **business logic**, not UI rendering. They verify that:
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1. **Use Cases correctly orchestrate** interactions between their Ports (Repositories, Event Publishers)
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2. **Data flows correctly** from repositories through use cases to presenters
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3. **Error handling works** at the business logic level
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4. **In-Memory adapters** are used for speed and determinism
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## Test Files
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### 1. [`dashboard-use-cases.integration.test.ts`](dashboard-use-cases.integration.test.ts)
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Tests the orchestration logic of dashboard-related Use Cases.
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**Focus:** Use Case orchestration patterns
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- GetDashboardUseCase: Retrieves driver statistics, upcoming races, standings, and activity
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- Validates that Use Cases correctly interact with their Ports
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- Tests success paths and edge cases
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**Scenarios:**
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- Driver with complete data
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- New driver with no history
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- Driver with many upcoming races (limited to 3)
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- Driver in multiple championships
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- Driver with recent activity sorted by timestamp
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- Edge cases: no upcoming races, no championships, no activity
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- Error cases: driver not found, invalid ID, repository errors
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### 2. [`dashboard-data-flow.integration.test.ts`](dashboard-data-flow.integration.test.ts)
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Tests the complete data flow from repositories to DTOs.
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**Focus:** Data transformation and flow
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- Repository → Use Case → Presenter → DTO
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- Data validation and transformation
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- DTO structure and formatting
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**Scenarios:**
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- Complete data flow for driver with all data
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- Complete data flow for new driver with no data
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- Data consistency across multiple calls
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- Maximum upcoming races handling
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- Many championship standings
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- Many recent activities
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- Mixed race statuses
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- DTO structure validation
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### 3. [`dashboard-error-handling.integration.test.ts`](dashboard-error-handling.integration.test.ts)
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Tests error handling and edge cases at the Use Case level.
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**Focus:** Error orchestration and handling
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- Repository errors (driver not found, data access errors)
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- Validation errors (invalid driver ID, invalid parameters)
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- Business logic errors (permission denied, data inconsistencies)
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- Error recovery and fallbacks
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**Scenarios:**
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- Driver not found errors
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- Validation errors (empty, null, undefined, malformed IDs)
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- Repository query errors (driver, race, league, activity)
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- Event publisher error handling
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- Business logic error handling (corrupted data, inconsistencies)
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- Error recovery and fallbacks
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- Error propagation
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- Error logging and observability
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## Directory Structure
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```
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tests/integration/dashboard/
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├── dashboard-use-cases.integration.test.ts # Use Case orchestration tests
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├── dashboard-data-flow.integration.test.ts # Data flow tests
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├── dashboard-error-handling.integration.test.ts # Error handling tests
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└── README.md # This file
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```
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## Test Pattern
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All tests follow the Clean Integration Test pattern:
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```typescript
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describe('Feature - Test Scenario', () => {
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let harness: IntegrationTestHarness;
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let inMemoryRepository: InMemoryRepository;
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let useCase: UseCase;
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beforeAll(() => {
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// Initialize In-Memory adapters
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// inMemoryRepository = new InMemoryRepository();
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// useCase = new UseCase({ repository: inMemoryRepository });
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});
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beforeEach(() => {
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// Clear In-Memory repositories
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// inMemoryRepository.clear();
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});
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it('should [expected behavior]', async () => {
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// TODO: Implement test
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// Given: Setup test data in In-Memory repositories
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// When: Execute the Use Case
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// Then: Verify orchestration (repository calls, event emissions)
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// And: Verify result structure and data
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});
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});
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```
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## Key Principles
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### 1. Use In-Memory Adapters
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- All tests use In-Memory repositories for speed and determinism
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- No external database or network dependencies
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- Tests run in milliseconds
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### 2. Focus on Orchestration
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- Tests verify **what** the Use Case does, not **how** it does it
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- Verify repository calls, event emissions, and data flow
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- Don't test UI rendering or visual aspects
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### 3. Zero Implementation
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- These are **placeholders** with TODO comments
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- No actual implementation logic
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- Just the test framework and structure
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### 4. Business Logic Only
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- Tests are for business logic, not UI
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- Focus on Use Case orchestration
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- Verify data transformation and error handling
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## Running Tests
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```bash
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# Run all dashboard integration tests
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npm test -- tests/integration/dashboard/
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# Run specific test file
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npm test -- tests/integration/dashboard/dashboard-use-cases.integration.test.ts
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# Run with verbose output
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npm test -- tests/integration/dashboard/ --reporter=verbose
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```
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## Related Files
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- [`plans/clean_integration_strategy.md`](../../../plans/clean_integration_strategy.md) - Clean Integration Testing strategy
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- [`tests/e2e/bdd/dashboard/`](../../e2e/bdd/dashboard/) - BDD E2E tests (user outcomes)
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- [`tests/integration/harness/`](../harness/) - Integration test harness
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- [`tests/integration/league/`](../league/) - Example integration tests
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## Observations
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Based on the BDD E2E tests, the dashboard functionality requires integration test coverage for:
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1. **Driver Statistics Calculation**
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- Rating, rank, starts, wins, podiums, leagues
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- Derived from race results and league participation
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2. **Upcoming Race Management**
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- Retrieval of scheduled races
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- Limiting to 3 races
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- Sorting by scheduled date
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- Time-until-race calculation
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3. **Championship Standings**
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- League participation tracking
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- Position and points calculation
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- Driver count per league
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4. **Recent Activity Feed**
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- Activity type categorization (race_result, etc.)
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- Timestamp sorting (newest first)
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- Status assignment (success, info)
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5. **Error Handling**
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- Driver not found scenarios
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- Invalid driver ID validation
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- Repository error propagation
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- Event publisher error handling
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6. **Edge Cases**
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- New drivers with no data
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- Drivers with partial data
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- Maximum data limits (upcoming races)
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- Data inconsistencies
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These integration tests will provide fast, deterministic verification of the dashboard business logic before UI implementation.
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