pytest-mypy-plugins 0.3.0

pytest plugin for writing tests for mypy plugins

PyTest plugin for testing mypy custom plugins

Examples of a test case:

[case my_test_case]
class MyClass:
    def method(self) -> str:
        pass
reveal_type(MyClass().method())  # E: Revealed type is 'builtins.str'

[CASE myTestCase]
[disable_cache]
[env DJANGO_SETTINGS_MODULE=settings]

print('hello, world)

[/CASE]

Options:

mypy-tests:
  --mypy-testing-base=MYPY_TESTING_BASE
                        Base directory for tests to use
  --mypy-ini-file=MYPY_INI_FILE
                        Which .ini file to use as a default config for tests

Documentation

General structure

Test case starts with the

[case my_test]

where my_test is a name of test. It could be camelCase or snake_case, no need for the test_ prefix. case keyword could be uppercased CASE too, if it helps readability.

Test case could optionally end with

[/case]

(or [/CASE]) if it helps readability.

All text between case delimiters is a code for a main.py file, except for special sections.

Sections

Format is

[SECTION_NAME( SECTION_ATTRS)?]