ln-743-test-infrastructure
L3 Worker - Sets up testing frameworks and coverage tools
Main Workflow
stateDiagram-v2
[*] --> CheckExisting: Start Test Setup
state CheckExisting {
[*] --> ScanTestFiles
ScanTestFiles --> EvaluateSetup
EvaluateSetup --> [*]
}
CheckExisting --> Decision: Tests Evaluated
state Decision {
[*] --> NoTests
[*] --> PartialSetup
[*] --> CompleteSetup
NoTests --> Create: Create new
PartialSetup --> AskUser: Extend or replace?
CompleteSetup --> Skip: Inform user
}
Decision --> CreateConfig: Action Determined
state CreateConfig {
[*] --> DetectStack
DetectStack --> Vitest: TypeScript
DetectStack --> xUnit: .NET
DetectStack --> Pytest: Python
Vitest --> [*]
xUnit --> [*]
Pytest --> [*]
}
CreateConfig --> CreateStructure: Config Created
CreateStructure --> CreateSampleTests: Directories Created
CreateSampleTests --> Verify: Sample Tests Added
Verify --> [*]: Tests Passing
Test Framework Selection
flowchart TD
Start([Detect Stack]) --> Check{Project Type?}
Check -->|TypeScript| TS[TypeScript/React]
Check -->|.NET| NET[.NET]
Check -->|Python| PY[Python]
subgraph TS[TypeScript Stack]
Vitest[Vitest]
RTL[React Testing Library]
V8[v8 Coverage]
end
subgraph NET[.NET Stack]
xUnit[xUnit]
Moq[Moq]
Coverlet[Coverlet]
FA[FluentAssertions]
end
subgraph PY[Python Stack]
Pytest[pytest]
PytestCov[pytest-cov]
PytestAsync[pytest-asyncio]
end
TS --> Config([Config + Sample Tests])
NET --> Config
PY --> Config
classDef typescript fill:#3178C6,color:white
classDef dotnet fill:#512BD4,color:white
classDef python fill:#3776AB,color:white
class Vitest,RTL,V8 typescript
class xUnit,Moq,Coverlet,FA dotnet
class Pytest,PytestCov,PytestAsync python
AAA Pattern (Arrange-Act-Assert)
flowchart LR
subgraph Arrange["1. Arrange"]
Setup[Setup test data]
Mocks[Create mocks]
Instance[Create instance]
end
subgraph Act["2. Act"]
Execute[Execute code under test]
Capture[Capture result]
end
subgraph Assert["3. Assert"]
Verify[Verify result]
CheckMocks[Verify mock calls]
end
Arrange --> Act --> Assert
classDef arrange fill:#FFE4B5
classDef act fill:#E6E6FA
classDef assert fill:#90EE90
class Setup,Mocks,Instance arrange
class Execute,Capture act
class Verify,CheckMocks assert
Coverage Thresholds
flowchart TD
Tests([Run Tests]) --> Coverage{Check Coverage}
Coverage -->|Lines ≥ 80%| LinesOK[Lines PASS]
Coverage -->|Lines < 80%| LinesFail[Lines FAIL]
LinesOK --> Branches{Branches?}
Branches -->|≥ 80%| BranchesOK[Branches PASS]
Branches -->|< 80%| BranchesFail[Branches FAIL]
BranchesOK --> Functions{Functions?}
Functions -->|≥ 80%| FunctionsOK[Functions PASS]
Functions -->|< 80%| FunctionsFail[Functions FAIL]
FunctionsOK --> Success([All Thresholds Met])
LinesFail --> Failure([CI FAILS])
BranchesFail --> Failure
FunctionsFail --> Failure
classDef pass fill:#90EE90
classDef fail fill:#FFB6C1
class LinesOK,BranchesOK,FunctionsOK,Success pass
class LinesFail,BranchesFail,FunctionsFail,Failure fail
Test Directory Structure
flowchart TD
subgraph TypeScript["TypeScript (Co-located)"]
TSrc[src/]
TComp[components/]
TButton[Button.tsx]
TButtonTest[Button.test.tsx]
TSetup[test/setup.ts]
TSrc --> TComp
TComp --> TButton
TComp --> TButtonTest
TSrc --> TSetup
end
subgraph DotNet[".NET (Separate)"]
NSrc[src/Project.Api/]
NTests[tests/Project.Tests/]
NControllers[Controllers/]
NServices[Services/]
NSrc -.-> NTests
NTests --> NControllers
NTests --> NServices
end
subgraph Python["Python (tests/ folder)"]
PSrc[src/]
PTests[tests/]
PUnit[unit/]
PInt[integration/]
PConftest[conftest.py]
PSrc -.-> PTests
PTests --> PUnit
PTests --> PInt
PTests --> PConftest
end