开发工具¶
本章中描述的各模块可帮你编写 Python 程序。例如，pydoc 模块接受一个模块并根据该模块的内容来生成文档。doctest 和 unittest 这两个模块包含了用于编写单元测试的框架，并可用于自动测试所编写的代码，验证预期的输出是否产生。2to3 程序能够将 Python 2.x 源代码翻译成有效的 Python 3.x 源代码。
本章中描述的模块列表是：
typing— 类型提示支持pydoc— 文档生成器和在线帮助系统- Python 开发模式
- Effects of the Python Development Mode
- ResourceWarning Example
- Bad file descriptor error example
doctest— 测试交互性的Python示例unittest— 单元测试框架unittest.mock— 模拟对象库unittest.mock上手指南- 使用 mock
- Patch Decorators
- Further Examples
- Mocking chained calls
- Partial mocking
- Mocking a Generator Method
- Applying the same patch to every test method
- Mocking Unbound Methods
- Checking multiple calls with mock
- Coping with mutable arguments
- Nesting Patches
- Mocking a dictionary with MagicMock
- Mock subclasses and their attributes
- Mocking imports with patch.dict
- Tracking order of calls and less verbose call assertions
- More complex argument matching
- 2to3 — Automated Python 2 to 3 code translation
test— Python回归测试包test.support— Utilities for the Python test suitetest.support.socket_helper— Utilities for socket teststest.support.script_helper— Utilities for the Python execution teststest.support.bytecode_helper— Support tools for testing correct bytecode generationtest.support.threading_helper— Utilities for threading teststest.support.os_helper— Utilities for os teststest.support.import_helper— Utilities for import teststest.support.warnings_helper— Utilities for warnings tests