1class TestCalculator:
2    def test_add(self):
3        # 测试加法
4    
5    def test_subtract(self):
6        # 测试减法

1# test_calculator.py - 一个测试模块
2def test_add():
3    pass
4
5def test_subtract():
6    pass

1tests/
2├── __init__.py
3├── test_calculator.py
4├── test_utils.py
5└── api/
6    ├── __init__.py
7    └── test_auth.py

1@pytest.mark.smoke
2def test_login():
3    pass
4
5@pytest.mark.regression  
6def test_checkout():
7    pass

1[pytest]
2markers =
3    smoke: 冒烟测试
4    regression: 回归测试
5    performance: 性能测试

1pytest -m smoke          # 只运行smoke测试
2pytest -m "not smoke"    # 排除smoke测试
3pytest -m "smoke or regression"  # 运行smoke或regression测试

1pytest --html=report.html -v

1# 使用4个CPU核心并行执行
2pytest -n 4

1# 统计代码覆盖率
2pytest --cov=src --cov-report=html
3
4# 查看未覆盖的代码行
5pytest --cov=src --cov-report=term-missing

 1# tests/conftest.py
 2import pytest
 3
 4@pytest.fixture(scope="session")
 5def api_client():
 6    session = requests.Session()
 7    yield session
 8    session.close()
 9
10@pytest.fixture
11def test_user(api_client):
12    user = create_test_user()
13    yield user
14    delete_test_user(user)

1@pytest.mark.skip(reason="暂不执行")
2def test_feature_not_implemented():
3    pass
4
5@pytest.mark.skipif(sys.version_info < (3, 8), reason="需要Python 3.8+")
6def test_modern_feature():
7    pass

1@pytest.mark.xfail(reason="已知bug")
2def test_known_bug():
3    assert False  # 预期会失败
4
5@pytest.mark.xfail(strict=True)  # 严格模式，失败时标记为失败
6def test_must_pass():
7    assert True

1pip install pytest-ordering

1@pytest.mark.order(1)
2def test_first():
3    pass
4
5@pytest.mark.order(2)
6def test_second():
7    pass

 1# tests/test_class_demo.py
 2import pytest
 3from src.calculator import Calculator
 4
 5class TestCalculator:
 6    def setup_method(self):
 7        self.calc = Calculator()
 8
 9    def teardown_method(self):
10        del self.calc
11
12    def test_add(self):
13        assert self.calc.add(2, 3) == 5
14
15    def test_subtract(self):
16        assert self.calc.subtract(5, 2) == 3

 1# tests/test_markers_demo.py
 2import pytest
 3
 4@pytest.mark.smoke
 5def test_is_prime_basic():
 6    assert is_prime(2) == True
 7
 8@pytest.mark.regression  
 9def test_is_prime_edge_cases():
10    assert is_prime(1) == False