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Testing & modern typing

pytest basics, mocks, type hints, TypedDict, Protocol, and static-checking patterns.

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Testing & modern typing easy

How to Skip Slow Tests with pytest.mark in Python

Use pytest.mark.skip and custom marks like @pytest.mark.slow to skip or deselect slow tests during test runs.

pytest testing skip
Python 
import pytest
import time


def test_fast():
    assert 1 + 1 == 2


@pytest.mark.skip(reason="slow test skipped by default")
def test_slow():
    time.sleep(5)
    assert True


@pytest.mark.slow
def test_marked_slow():
    time.sleep(5)
    assert True


if __name__ == "__main__":
    pytest.main([__file__, "-v", "-…
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