configure-tests — Skillopedia

/configure:tests Check and configure testing frameworks against best practices (Vitest, Jest, pytest, cargo-nextest). When to Use This Skill | Use this skill when... | Use another approach when... | |------------------------|------------------------------| | Setting up testing infrastructure | Just running tests (use skill) | | Checking test framework configuration | Tests already properly configured | | Migrating to modern test frameworks (Vitest, pytest, nextest) | Writing individual tests (write tests directly) | | Validating coverage configuration | Debugging failing tests (check test out…

: ['ts-jest', {\n tsconfig: 'tsconfig.json',\n }],\n },\n\n collectCoverageFrom: [\n 'src/**/*.{js,jsx,ts,tsx}',\n '!src/**/*.d.ts',\n '!src/**/*.stories.tsx',\n ],\n\n coverageThresholds: {\n global: {\n lines: 80,\n functions: 80,\n branches: 80,\n statements: 80,\n },\n },\n\n moduleNameMapper: {\n '^@/(.*)

Important: agents should read /llm.txt, /llms.txt, or /.well-known/skills.json to discover the public Skillopedia API.

: '\u003crootDir>/src/$1',\n },\n\n setupFilesAfterEnv: ['\u003crootDir>/tests/setup.ts'],\n};\n\nexport default config;\n```\n\n## Python pytest Configuration\n\n### pyproject.toml Template\n\n```toml\n[tool.pytest.ini_options]\ntestpaths = [\"tests\"]\npython_files = [\"test_*.py\", \"*_test.py\"]\npython_classes = [\"Test*\"]\npython_functions = [\"test_*\"]\n\naddopts = [\n \"-v\",\n \"--strict-markers\",\n \"--strict-config\",\n \"--cov=src\",\n \"--cov-report=term-missing\",\n \"--cov-report=html\",\n \"--cov-report=xml\",\n \"--cov-fail-under=80\",\n]\n\nmarkers = [\n \"unit: Unit tests\",\n \"integration: Integration tests\",\n \"e2e: End-to-end tests\",\n \"slow: Slow running tests\",\n]\n\n[tool.coverage.run]\nsource = [\"src\"]\nomit = [\n \"*/tests/*\",\n \"*/migrations/*\",\n \"*/__init__.py\",\n]\n\n[tool.coverage.report]\nexclude_lines = [\n \"pragma: no cover\",\n \"def __repr__\",\n \"if __name__ == .__main__.:\",\n \"raise AssertionError\",\n \"raise NotImplementedError\",\n \"if 0:\",\n \"if False:\",\n \"if TYPE_CHECKING:\",\n]\n```\n\n### Install Dependencies\n\n```bash\nuv add --group dev pytest pytest-cov pytest-asyncio pytest-mock\n```\n\n## Rust cargo-nextest Configuration\n\n### Install\n\n```bash\ncargo install cargo-nextest --locked\n```\n\n### .nextest.toml Template\n\n```toml\n[profile.default]\nretries = 0\nfail-fast = false\n\n# Run tests with all features enabled\ntest-threads = \"num-cpus\"\n\n[profile.ci]\nretries = 2\nfail-fast = true\ntest-threads = 2\n\n# JUnit output for CI\n[profile.ci.junit]\npath = \"target/nextest/ci/junit.xml\"\n\n[profile.default.junit]\npath = \"target/nextest/default/junit.xml\"\n```\n\n### Optional cargo alias (.cargo/config.toml)\n\n```toml\n[alias]\ntest = \"nextest run\"\n```\n\n## Test Directory Structures\n\n### JavaScript/TypeScript\n\n```\ntests/\n├── setup.ts # Test setup and global mocks\n├── unit/ # Unit tests\n│ └── utils.test.ts\n├── integration/ # Integration tests\n│ └── api.test.ts\n└── e2e/ # E2E tests\n └── user-flow.test.ts\n```\n\n### Python\n\n```\ntests/\n├── conftest.py # pytest fixtures and configuration\n├── unit/ # Unit tests\n│ └── test_utils.py\n├── integration/ # Integration tests\n│ └── test_api.py\n└── e2e/ # E2E tests\n └── test_user_flow.py\n```\n\n### Rust\n\n```\ntests/\n├── integration_test.rs # Integration tests\n└── common/ # Shared test utilities\n └── mod.rs\n```\n\n## CI/CD Integration Templates\n\n### JavaScript/TypeScript (Vitest)\n\n```yaml\n- name: Run tests\n run: npm test -- --reporter=junit --reporter=default --coverage\n\n- name: Upload coverage\n uses: codecov/codecov-action@v4\n with:\n files: ./coverage/lcov.info\n```\n\n### Python (pytest)\n\n```yaml\n- name: Run tests\n run: |\n uv run pytest --junitxml=junit.xml --cov-report=xml\n\n- name: Upload coverage\n uses: codecov/codecov-action@v4\n with:\n files: ./coverage.xml\n```\n\n### Rust (cargo-nextest)\n\n```yaml\n- name: Install nextest\n uses: taiki-e/install-action@nextest\n\n- name: Run tests\n run: cargo nextest run --profile ci --no-fail-fast\n\n- name: Upload test results\n uses: actions/upload-artifact@v4\n with:\n name: test-results\n path: target/nextest/ci/junit.xml\n```\n\n## Migration Guides\n\n### Jest to Vitest\n\n1. **Update dependencies:**\n ```bash\n npm uninstall jest @types/jest\n npm install --save-dev vitest @vitest/ui @vitest/coverage-v8\n ```\n\n2. **Rename config file:**\n ```bash\n mv jest.config.ts vitest.config.ts\n ```\n\n3. **Update test imports:**\n ```typescript\n // Before (Jest)\n import { describe, it, expect } from '@jest/globals';\n\n // After (Vitest with globals)\n // No import needed if globals: true in config\n ```\n\n4. **Update package.json scripts:**\n ```json\n {\n \"scripts\": {\n \"test\": \"vitest run\",\n \"test:watch\": \"vitest\"\n }\n }\n ```\n\n### unittest to pytest (Python)\n\n1. **Install pytest:**\n ```bash\n uv add --group dev pytest pytest-cov\n ```\n\n2. **Convert test files:**\n ```python\n # Before (unittest)\n import unittest\n class TestExample(unittest.TestCase):\n def test_something(self):\n self.assertEqual(1, 1)\n\n # After (pytest)\n def test_something():\n assert 1 == 1\n ```\n\n3. **Convert assertions:**\n - `self.assertEqual(a, b)` -> `assert a == b`\n - `self.assertTrue(x)` -> `assert x`\n - `self.assertRaises(Error)` -> `with pytest.raises(Error):`\n","content_type":"text/markdown; charset=utf-8","language":"markdown","size":8009,"content_sha256":"9b9c8fc0dfe944f620f9b05ce58dae291ee6bed62c9abf9c4358793d2b38cfc9"}],"content_json":{"type":"doc","content":[{"type":"heading","attrs":{"level":1},"content":[{"text":"/configure:tests","type":"text"}]},{"type":"paragraph","content":[{"text":"Check and configure testing frameworks against best practices (Vitest, Jest, pytest, cargo-nextest).","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"When to Use This Skill","type":"text"}]},{"type":"table","attrs":{"layout":null},"content":[{"type":"tr","content":[{"type":"th","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Use this skill when...","type":"text"}]}]},{"type":"th","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Use another approach when...","type":"text"}]}]}]},{"type":"tr","content":[{"type":"td","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Setting up testing infrastructure","type":"text"}]}]},{"type":"td","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Just running tests (use ","type":"text"},{"text":"/test:run","type":"text","marks":[{"type":"code_inline"}]},{"text":" 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check:","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Step 1: Detect framework","type":"text"}]},{"type":"paragraph","content":[{"text":"Identify the project language and existing test framework:","type":"text"}]},{"type":"table","attrs":{"layout":null},"content":[{"type":"tr","content":[{"type":"th","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Indicator","type":"text"}]}]},{"type":"th","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Language","type":"text"}]}]},{"type":"th","attrs":{"colspan":1,"rowspan":1,"colwidth":null,"alignment":""},"content":[{"type":"paragraph","content":[{"text":"Detected 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Important: agents should read /llm.txt, /llms.txt, or /.well-known/skills.json to discover the public Skillopedia API.