Python自动化测试框架-pytest

源码: https://github.com/pytest-dev/pytest
文档: https://docs.pytest.org/en/8.2.x/

安装: pip install pytest

简单样例

# content of test_sample.py
def inc(x):
    return x + 1

def test_answer():
    assert inc(3) == 5

命令行执行python可以看到执行结果

命名规范

• 测试模块: 文件以test_开头
• 测试类: 以Test开头
• 测试方法: 函数以test开头

# content of test_class.py
class TestClass:
    def test_one(self):
        x = "this"
        assert "h" in x

    def test_two(self):
        x = "hello"
        assert hasattr(x, "check")

命令行执行pytest -q test_class.py

执行方式

# Run tests in a module
pytest test_mod.py

# Run tests in a directory
pytest testing/

# Run tests by keyword expressions
# 执行 TestMyClass.test_something, 不执行 TestMyClass.test_method_simple
pytest -k 'MyClass and not method'