Jest framework used

jest.mock() or jest.fn() used

No real DB in unit tests

describe/it or describe/test blocks

expect() assertions present

Mock reset/clear between tests

Lifecycle hooks used

Error case tested

Production-ready structure

Jest config file present

pytest framework used

pytest.fixture decorator used

Fixture includes teardown

Integration test with real/in-memory DB

Unit test with mocking

test_ naming convention

conftest.py created

Multiple test cases

Production-ready imports

pytest config present

Tests precede implementation

Test framework config file

Unit tests with mocking

Integration tests present

Setup/teardown hooks

Test isolation

Multiple DB methods tested

TDD log or plan documented

Production-ready code