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Testing

Test Types

Unit Tests

Standard Go tests without build tags.

go test ./...

Integration Tests

Require -tags=integration build tag. Located in cmd/p5/*_integration_test.go.

go test -tags=integration ./...

Integration tests use teatest for TUI testing with mock Pulumi dependencies.

Golden File Tests

UI component snapshots in testdata/*.golden. Used for visual regression testing of UI components.

# Run with update flag to regenerate snapshots
go test ./internal/ui -update

Running Tests

go test ./...                      # Unit tests only
go test -tags=integration ./...    # All tests
./scripts/coverage.sh              # Coverage report
./scripts/coverage.sh -html        # Open HTML report

Test Structure

UI Component Tests

Located in internal/ui/ui_test.go. Test individual UI components (header, modals, lists) using golden file comparisons.

Integration Test Helpers

cmd/p5/integration_helpers_test.go provides:

  • testModel() - Creates model with fake dependencies
  • FakeStackOperator, FakeStackReader, etc. - Mock implementations
  • Golden file test utilities

Fake Implementations

internal/pulumi/fakes.go provides mock implementations of all Pulumi interfaces for testing without actual Pulumi operations.

Golden File Format

Golden files capture expected terminal output. File naming convention:

testdata/TestFunctionName_SubTest.golden

Update snapshots only when UI changes are intentional:

go test ./internal/ui -update -run TestHeader