Pytest Type Safety
Add type annotations to test functions and fixtures, then configure mypy to validate them during test runs. Use create_autospec for type-safe mocks that enforce interface contracts and catch typos at runtime.
Pytest Type Safety enforces type annotations across test functions, fixtures, and mocks to catch type errors during test execution.
AI-generated summary based on this skill's SKILL.md
Decision gist · record as of 2026-01-26
Pytest Type Safety enforces type annotations across test functions, fixtures, and mocks to catch type errors during test execution. Add type annotations to test functions and fixtures, then configure mypy to validate them during test runs. Use create_autospec for type-safe mocks that enforce interface contracts and catch typos at runtime.
Use it when
- Pytest Type Safety enables pytest mypy integration by allowing mypy to analyze your test suite for type errors.
- Pytest Type Safety enforces type hints by adding type annotations to all test functions and fixtures.
Install
dawiddutoit/custom-claude/pytest-type-safety · repository language: Python
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Frequently asked questions
AI-generated answers based on this skill's SKILL.md and metadata
How does Pytest Type Safety validate type hints during test execution?
Pytest Type Safety integrates static type checking into your pytest workflow by validating type annotations on test functions and fixtures. Configure mypy to run during test execution, catching type mismatches and annotation errors before they reach production. This approach validates type hints directly against your test code.
What is pytest mypy integration and how does it work?
Pytest Type Safety enables pytest mypy integration by allowing mypy to analyze your test suite for type errors. Add type annotations to test functions and fixtures, then configure mypy within your pytest setup to validate them automatically. This catches type inconsistencies and enforces type safety across your entire test suite.
How can I enforce type hints in pytest tests?
Pytest Type Safety enforces type hints by adding type annotations to all test functions and fixtures, then using mypy validation during test runs. Use create_autospec for type-safe mocks that enforce interface contracts and catch typos at runtime, ensuring type safety is maintained throughout your test code.
What is type checking in pytest tests and why does it matter?
Type checking in pytest tests through Pytest Type Safety detects type mismatches and improves code quality by catching errors early. Static type analysis validates that test code uses correct types, preventing bugs from propagating. This enforcement ensures your tests remain reliable and maintainable.
How does Pytest Type Safety improve test code quality?
Pytest Type Safety improves code quality by detecting type mismatches in tests through static type analysis. Adding type annotations and running mypy validation catches errors before execution, reducing bugs and making tests more maintainable. Type-safe mocks via create_autospec further enforce interface contracts.
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