Reference ========= This page contains the full reference to pytest's API. .. contents:: :depth: 3 :local: Functions --------- pytest.approx ~~~~~~~~~~~~~ .. autofunction:: _pytest.python_api.approx pytest.fail ~~~~~~~~~~~ **Tutorial**: :ref:`skipping` .. autofunction:: _pytest.outcomes.fail pytest.skip ~~~~~~~~~~~ .. autofunction:: _pytest.outcomes.skip(msg, [allow_module_level=False]) pytest.importorskip ~~~~~~~~~~~~~~~~~~~ .. autofunction:: _pytest.outcomes.importorskip pytest.xfail ~~~~~~~~~~~~ .. autofunction:: _pytest.outcomes.xfail pytest.exit ~~~~~~~~~~~ .. autofunction:: _pytest.outcomes.exit pytest.main ~~~~~~~~~~~ .. autofunction:: _pytest.config.main pytest.param ~~~~~~~~~~~~~ .. autofunction:: pytest.param(*values, [id], [marks]) pytest.raises ~~~~~~~~~~~~~ **Tutorial**: :ref:`assertraises`. .. autofunction:: pytest.raises(expected_exception: Exception, [match], [message]) :with: excinfo pytest.deprecated_call ~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`ensuring_function_triggers`. .. autofunction:: pytest.deprecated_call() :with: pytest.register_assert_rewrite ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`assertion-rewriting`. .. autofunction:: pytest.register_assert_rewrite pytest.warns ~~~~~~~~~~~~ **Tutorial**: :ref:`assertwarnings` .. autofunction:: pytest.warns(expected_warning: Exception, [match]) :with: pytest.freeze_includes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`freezing-pytest`. .. autofunction:: pytest.freeze_includes .. _`marks ref`: Marks ----- Marks can be used apply meta data to *test functions* (but not fixtures), which can then be accessed by fixtures or plugins. .. _`pytest.mark.filterwarnings ref`: pytest.mark.filterwarnings ~~~~~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`filterwarnings`. Add warning filters to marked test items. .. py:function:: pytest.mark.filterwarnings(filter) :keyword str filter: A *warning specification string*, which is composed of contents of the tuple ``(action, message, category, module, lineno)`` as specified in `The Warnings filter `_ section of the Python documentation, separated by ``":"``. Optional fields can be omitted. Module names passed for filtering are not regex-escaped. For example: .. code-block:: python @pytest.mark.warnings("ignore:.*usage will be deprecated.*:DeprecationWarning") def test_foo(): ... .. _`pytest.mark.parametrize ref`: pytest.mark.parametrize ~~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :doc:`parametrize`. .. automethod:: _pytest.python.Metafunc.parametrize .. _`pytest.mark.skip ref`: pytest.mark.skip ~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`skip`. Unconditionally skip a test function. .. py:function:: pytest.mark.skip(*, reason=None) :keyword str reason: Reason why the test function is being skipped. .. _`pytest.mark.skipif ref`: pytest.mark.skipif ~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`skipif`. Skip a test function if a condition is ``True``. .. py:function:: pytest.mark.skipif(condition, *, reason=None) :type condition: bool or str :param condition: ``True/False`` if the condition should be skipped or a :ref:`condition string `. :keyword str reason: Reason why the test function is being skipped. .. _`pytest.mark.usefixtures ref`: pytest.mark.usefixtures ~~~~~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`usefixtures`. Mark a test function as using the given fixture names. .. warning:: This mark has no effect when applied to a **fixture** function. .. py:function:: pytest.mark.usefixtures(*names) :param args: the names of the fixture to use, as strings .. _`pytest.mark.xfail ref`: pytest.mark.xfail ~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`xfail`. Marks a test function as *expected to fail*. .. py:function:: pytest.mark.xfail(condition=None, *, reason=None, raises=None, run=True, strict=False) :type condition: bool or str :param condition: ``True/False`` if the condition should be marked as xfail or a :ref:`condition string `. :keyword str reason: Reason why the test function is marked as xfail. :keyword Exception raises: Exception subclass expected to be raised by the test function; other exceptions will fail the test. :keyword bool run: If the test function should actually be executed. If ``False``, the function will always xfail and will not be executed (useful a function is segfaulting). :keyword bool strict: * If ``False`` (the default) the function will be shown in the terminal output as ``xfailed`` if it fails and as ``xpass`` if it passes. In both cases this will not cause the test suite to fail as a whole. This is particularly useful to mark *flaky* tests (tests that random at fail) to be tackled later. * If ``True``, the function will be shown in the terminal output as ``xfailed`` if it fails, but if it unexpectedly passes then it will **fail** the test suite. This is particularly useful to mark functions that are always failing and there should be a clear indication if they unexpectedly start to pass (for example a new release of a library fixes a known bug). custom marks ~~~~~~~~~~~~ Marks are created dynamically using the factory object ``pytest.mark`` and applied as a decorator. For example: .. code-block:: python @pytest.mark.timeout(10, "slow", method="thread") def test_function(): ... Will create and attach a :class:`Mark <_pytest.mark.structures.Mark>` object to the collected :class:`Item <_pytest.nodes.Item>`, which can then be accessed by fixtures or hooks with :meth:`Node.iter_markers <_pytest.nodes.Node.iter_markers>`. The ``mark`` object will have the following attributes: .. code-block:: python mark.args == (10, "slow") mark.kwargs == {"method": "thread"} Fixtures -------- **Tutorial**: :ref:`fixture`. Fixtures are requested by test functions or other fixtures by declaring them as argument names. Example of a test requiring a fixture: .. code-block:: python def test_output(capsys): print("hello") out, err = capsys.readouterr() assert out == "hello\n" Example of a fixture requiring another fixture: .. code-block:: python @pytest.fixture def db_session(tmpdir): fn = tmpdir / "db.file" return connect(str(fn)) For more details, consult the full :ref:`fixtures docs `. @pytest.fixture ~~~~~~~~~~~~~~~ .. autofunction:: pytest.fixture :decorator: .. _`cache-api`: config.cache ~~~~~~~~~~~~ **Tutorial**: :ref:`cache`. The ``config.cache`` object allows other plugins and fixtures to store and retrieve values across test runs. To access it from fixtures request ``pytestconfig`` into your fixture and get it with ``pytestconfig.cache``. Under the hood, the cache plugin uses the simple ``dumps``/``loads`` API of the :py:mod:`json` stdlib module. .. currentmodule:: _pytest.cacheprovider .. automethod:: Cache.get .. automethod:: Cache.set .. automethod:: Cache.makedir capsys ~~~~~~ **Tutorial**: :doc:`capture`. .. currentmodule:: _pytest.capture .. autofunction:: capsys() :no-auto-options: Returns an instance of :py:class:`CaptureFixture`. Example: .. code-block:: python def test_output(capsys): print("hello") captured = capsys.readouterr() assert captured.out == "hello\n" .. autoclass:: CaptureFixture() :members: capsysbinary ~~~~~~~~~~~~ **Tutorial**: :doc:`capture`. .. autofunction:: capsysbinary() :no-auto-options: Returns an instance of :py:class:`CaptureFixture`. Example: .. code-block:: python def test_output(capsysbinary): print("hello") captured = capsysbinary.readouterr() assert captured.out == b"hello\n" capfd ~~~~~~ **Tutorial**: :doc:`capture`. .. autofunction:: capfd() :no-auto-options: Returns an instance of :py:class:`CaptureFixture`. Example: .. code-block:: python def test_system_echo(capfd): os.system('echo "hello"') captured = capsys.readouterr() assert captured.out == "hello\n" capfdbinary ~~~~~~~~~~~~ **Tutorial**: :doc:`capture`. .. autofunction:: capfdbinary() :no-auto-options: Returns an instance of :py:class:`CaptureFixture`. Example: .. code-block:: python def test_system_echo(capfdbinary): os.system('echo "hello"') captured = capfdbinary.readouterr() assert captured.out == b"hello\n" doctest_namespace ~~~~~~~~~~~~~~~~~ **Tutorial**: :doc:`doctest`. .. autofunction:: _pytest.doctest.doctest_namespace() Usually this fixture is used in conjunction with another ``autouse`` fixture: .. code-block:: python @pytest.fixture(autouse=True) def add_np(doctest_namespace): doctest_namespace["np"] = numpy For more details: :ref:`doctest_namespace`. request ~~~~~~~ **Tutorial**: :ref:`request example`. The ``request`` fixture is a special fixture providing information of the requesting test function. .. autoclass:: _pytest.fixtures.FixtureRequest() :members: pytestconfig ~~~~~~~~~~~~ .. autofunction:: _pytest.fixtures.pytestconfig() record_property ~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`record_property example`. .. autofunction:: _pytest.junitxml.record_property() caplog ~~~~~~ **Tutorial**: :doc:`logging`. .. autofunction:: _pytest.logging.caplog() :no-auto-options: This returns a :class:`_pytest.logging.LogCaptureFixture` instance. .. autoclass:: _pytest.logging.LogCaptureFixture :members: monkeypatch ~~~~~~~~~~~ .. currentmodule:: _pytest.monkeypatch **Tutorial**: :doc:`monkeypatch`. .. autofunction:: _pytest.monkeypatch.monkeypatch() :no-auto-options: This returns a :class:`MonkeyPatch` instance. .. autoclass:: _pytest.monkeypatch.MonkeyPatch :members: testdir ~~~~~~~ .. currentmodule:: _pytest.pytester This fixture provides a :class:`Testdir` instance useful for black-box testing of test files, making it ideal to test plugins. To use it, include in your top-most ``conftest.py`` file:: pytest_plugins = 'pytester' .. autoclass:: Testdir() :members: .. autoclass:: RunResult() :members: .. autoclass:: LineMatcher() :members: recwarn ~~~~~~~ **Tutorial**: :ref:`assertwarnings` .. currentmodule:: _pytest.recwarn .. autofunction:: recwarn() :no-auto-options: .. autoclass:: _pytest.recwarn.WarningsRecorder() :members: Each recorded warning is an instance of :class:`warnings.WarningMessage`. .. note:: :class:`RecordedWarning` was changed from a plain class to a namedtuple in pytest 3.1 .. note:: ``DeprecationWarning`` and ``PendingDeprecationWarning`` are treated differently; see :ref:`ensuring_function_triggers`. tmpdir ~~~~~~ **Tutorial**: :doc:`tmpdir` .. currentmodule:: _pytest.tmpdir .. autofunction:: tmpdir() :no-auto-options: tmpdir_factory ~~~~~~~~~~~~~~ **Tutorial**: :ref:`tmpdir factory example` .. _`tmpdir factory api`: ``tmpdir_factory`` instances have the following methods: .. currentmodule:: _pytest.tmpdir .. automethod:: TempdirFactory.mktemp .. automethod:: TempdirFactory.getbasetemp .. _`hook-reference`: Hooks ----- **Tutorial**: :doc:`writing_plugins`. .. currentmodule:: _pytest.hookspec Reference to all hooks which can be implemented by :ref:`conftest.py files ` and :ref:`plugins `. Bootstrapping hooks ~~~~~~~~~~~~~~~~~~~ Bootstrapping hooks called for plugins registered early enough (internal and setuptools plugins). .. autofunction:: pytest_load_initial_conftests .. autofunction:: pytest_cmdline_preparse .. autofunction:: pytest_cmdline_parse .. autofunction:: pytest_cmdline_main Initialization hooks ~~~~~~~~~~~~~~~~~~~~ Initialization hooks called for plugins and ``conftest.py`` files. .. autofunction:: pytest_addoption .. autofunction:: pytest_addhooks .. autofunction:: pytest_configure .. autofunction:: pytest_unconfigure .. autofunction:: pytest_sessionstart .. autofunction:: pytest_sessionfinish Test running hooks ~~~~~~~~~~~~~~~~~~ All runtest related hooks receive a :py:class:`pytest.Item <_pytest.main.Item>` object. .. autofunction:: pytest_runtestloop .. autofunction:: pytest_runtest_protocol .. autofunction:: pytest_runtest_logstart .. autofunction:: pytest_runtest_logfinish .. autofunction:: pytest_runtest_setup .. autofunction:: pytest_runtest_call .. autofunction:: pytest_runtest_teardown .. autofunction:: pytest_runtest_makereport For deeper understanding you may look at the default implementation of these hooks in :py:mod:`_pytest.runner` and maybe also in :py:mod:`_pytest.pdb` which interacts with :py:mod:`_pytest.capture` and its input/output capturing in order to immediately drop into interactive debugging when a test failure occurs. The :py:mod:`_pytest.terminal` reported specifically uses the reporting hook to print information about a test run. Collection hooks ~~~~~~~~~~~~~~~~ ``pytest`` calls the following hooks for collecting files and directories: .. autofunction:: pytest_collection .. autofunction:: pytest_ignore_collect .. autofunction:: pytest_collect_directory .. autofunction:: pytest_collect_file For influencing the collection of objects in Python modules you can use the following hook: .. autofunction:: pytest_pycollect_makeitem .. autofunction:: pytest_generate_tests .. autofunction:: pytest_make_parametrize_id After collection is complete, you can modify the order of items, delete or otherwise amend the test items: .. autofunction:: pytest_collection_modifyitems Reporting hooks ~~~~~~~~~~~~~~~ Session related reporting hooks: .. autofunction:: pytest_collectstart .. autofunction:: pytest_itemcollected .. autofunction:: pytest_collectreport .. autofunction:: pytest_deselected .. autofunction:: pytest_report_header .. autofunction:: pytest_report_collectionfinish .. autofunction:: pytest_report_teststatus .. autofunction:: pytest_terminal_summary .. autofunction:: pytest_fixture_setup .. autofunction:: pytest_fixture_post_finalizer .. autofunction:: pytest_warning_captured And here is the central hook for reporting about test execution: .. autofunction:: pytest_runtest_logreport You can also use this hook to customize assertion representation for some types: .. autofunction:: pytest_assertrepr_compare Debugging/Interaction hooks ~~~~~~~~~~~~~~~~~~~~~~~~~~~ There are few hooks which can be used for special reporting or interaction with exceptions: .. autofunction:: pytest_internalerror .. autofunction:: pytest_keyboard_interrupt .. autofunction:: pytest_exception_interact .. autofunction:: pytest_enter_pdb Objects ------- Full reference to objects accessible from :ref:`fixtures ` or :ref:`hooks `. CallInfo ~~~~~~~~ .. autoclass:: _pytest.runner.CallInfo() :members: Class ~~~~~ .. autoclass:: _pytest.python.Class() :members: :show-inheritance: Collector ~~~~~~~~~ .. autoclass:: _pytest.nodes.Collector() :members: :show-inheritance: Config ~~~~~~ .. autoclass:: _pytest.config.Config() :members: ExceptionInfo ~~~~~~~~~~~~~ .. autoclass:: _pytest._code.ExceptionInfo :members: FixtureDef ~~~~~~~~~~ .. autoclass:: _pytest.fixtures.FixtureDef() :members: :show-inheritance: FSCollector ~~~~~~~~~~~ .. autoclass:: _pytest.nodes.FSCollector() :members: :show-inheritance: Function ~~~~~~~~ .. autoclass:: _pytest.python.Function() :members: :show-inheritance: Item ~~~~ .. autoclass:: _pytest.nodes.Item() :members: :show-inheritance: MarkDecorator ~~~~~~~~~~~~~ .. autoclass:: _pytest.mark.MarkDecorator :members: MarkGenerator ~~~~~~~~~~~~~ .. autoclass:: _pytest.mark.MarkGenerator :members: Mark ~~~~ .. autoclass:: _pytest.mark.structures.Mark :members: Metafunc ~~~~~~~~ .. autoclass:: _pytest.python.Metafunc :members: Module ~~~~~~ .. autoclass:: _pytest.python.Module() :members: :show-inheritance: Node ~~~~ .. autoclass:: _pytest.nodes.Node() :members: Parser ~~~~~~ .. autoclass:: _pytest.config.argparsing.Parser() :members: PluginManager ~~~~~~~~~~~~~ .. autoclass:: pluggy.PluginManager() :members: PytestPluginManager ~~~~~~~~~~~~~~~~~~~ .. autoclass:: _pytest.config.PytestPluginManager() :members: :undoc-members: :show-inheritance: Session ~~~~~~~ .. autoclass:: _pytest.main.Session() :members: :show-inheritance: TestReport ~~~~~~~~~~ .. autoclass:: _pytest.runner.TestReport() :members: :inherited-members: _Result ~~~~~~~ .. autoclass:: pluggy.callers._Result :members: Special Variables ----------------- pytest treats some global variables in a special manner when defined in a test module. collect_ignore ~~~~~~~~~~~~~~ **Tutorial**: :ref:`customizing-test-collection` Can be declared in *conftest.py files* to exclude test directories or modules. Needs to be ``list[str]``. .. code-block:: python collect_ignore = ["setup.py"] collect_ignore_glob ~~~~~~~~~~~~~~~~~~~ **Tutorial**: :ref:`customizing-test-collection` Can be declared in *conftest.py files* to exclude test directories or modules with Unix shell-style wildcards. Needs to be ``list[str]`` where ``str`` can contain glob patterns. .. code-block:: python collect_ignore_glob = ["*_ignore.py"] pytest_plugins ~~~~~~~~~~~~~~ **Tutorial**: :ref:`available installable plugins` Can be declared at the **global** level in *test modules* and *conftest.py files* to register additional plugins. Can be either a ``str`` or ``Sequence[str]``. .. code-block:: python pytest_plugins = "myapp.testsupport.myplugin" .. code-block:: python pytest_plugins = ("myapp.testsupport.tools", "myapp.testsupport.regression") pytest_mark ~~~~~~~~~~~ **Tutorial**: :ref:`scoped-marking` Can be declared at the **global** level in *test modules* to apply one or more :ref:`marks ` to all test functions and methods. Can be either a single mark or a sequence of marks. .. code-block:: python import pytest pytestmark = pytest.mark.webtest .. code-block:: python import pytest pytestmark = (pytest.mark.integration, pytest.mark.slow) PYTEST_DONT_REWRITE (module docstring) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The text ``PYTEST_DONT_REWRITE`` can be add to any **module docstring** to disable :ref:`assertion rewriting ` for that module. Environment Variables --------------------- Environment variables that can be used to change pytest's behavior. PYTEST_ADDOPTS ~~~~~~~~~~~~~~ This contains a command-line (parsed by the py:mod:`shlex` module) that will be **prepended** to the command line given by the user, see :ref:`adding default options` for more information. PYTEST_DEBUG ~~~~~~~~~~~~ When set, pytest will print tracing and debug information. PYTEST_PLUGINS ~~~~~~~~~~~~~~ Contains comma-separated list of modules that should be loaded as plugins: .. code-block:: bash export PYTEST_PLUGINS=mymodule.plugin,xdist PYTEST_DISABLE_PLUGIN_AUTOLOAD ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ When set, disables plugin auto-loading through setuptools entrypoints. Only explicitly specified plugins will be loaded. PYTEST_CURRENT_TEST ~~~~~~~~~~~~~~~~~~~ This is not meant to be set by users, but is set by pytest internally with the name of the current test so other processes can inspect it, see :ref:`pytest current test env` for more information. .. _`ini options ref`: Configuration Options --------------------- Here is a list of builtin configuration options that may be written in a ``pytest.ini``, ``tox.ini`` or ``setup.cfg`` file, usually located at the root of your repository. All options must be under a ``[pytest]`` section (``[tool:pytest]`` for ``setup.cfg`` files). .. warning:: Usage of ``setup.cfg`` is not recommended unless for very simple use cases. ``.cfg`` files use a different parser than ``pytest.ini`` and ``tox.ini`` which might cause hard to track down problems. When possible, it is recommended to use the latter files to hold your pytest configuration. Configuration file options may be overwritten in the command-line by using ``-o/--override``, which can also be passed multiple times. The expected format is ``name=value``. For example:: pytest -o console_output_style=classic -o cache_dir=/tmp/mycache .. confval:: addopts Add the specified ``OPTS`` to the set of command line arguments as if they had been specified by the user. Example: if you have this ini file content: .. code-block:: ini # content of pytest.ini [pytest] addopts = --maxfail=2 -rf # exit after 2 failures, report fail info issuing ``pytest test_hello.py`` actually means:: pytest --maxfail=2 -rf test_hello.py Default is to add no options. .. confval:: cache_dir .. versionadded:: 3.2 Sets a directory where stores content of cache plugin. Default directory is ``.pytest_cache`` which is created in :ref:`rootdir `. Directory may be relative or absolute path. If setting relative path, then directory is created relative to :ref:`rootdir `. Additionally path may contain environment variables, that will be expanded. For more information about cache plugin please refer to :ref:`cache_provider`. .. confval:: confcutdir Sets a directory where search upwards for ``conftest.py`` files stops. By default, pytest will stop searching for ``conftest.py`` files upwards from ``pytest.ini``/``tox.ini``/``setup.cfg`` of the project if any, or up to the file-system root. .. confval:: console_output_style .. versionadded:: 3.3 Sets the console output style while running tests: * ``classic``: classic pytest output. * ``progress``: like classic pytest output, but with a progress indicator. * ``count``: like progress, but shows progress as the number of tests completed instead of a percent. The default is ``progress``, but you can fallback to ``classic`` if you prefer or the new mode is causing unexpected problems: .. code-block:: ini # content of pytest.ini [pytest] console_output_style = classic .. confval:: doctest_encoding .. versionadded:: 3.1 Default encoding to use to decode text files with docstrings. :doc:`See how pytest handles doctests `. .. confval:: doctest_optionflags One or more doctest flag names from the standard ``doctest`` module. :doc:`See how pytest handles doctests `. .. confval:: empty_parameter_set_mark .. versionadded:: 3.4 Allows to pick the action for empty parametersets in parameterization * ``skip`` skips tests with an empty parameterset (default) * ``xfail`` marks tests with an empty parameterset as xfail(run=False) * ``fail_at_collect`` raises an exception if parametrize collects an empty parameter set .. code-block:: ini # content of pytest.ini [pytest] empty_parameter_set_mark = xfail .. note:: The default value of this option is planned to change to ``xfail`` in future releases as this is considered less error prone, see `#3155 `_ for more details. .. confval:: filterwarnings .. versionadded:: 3.1 Sets a list of filters and actions that should be taken for matched warnings. By default all warnings emitted during the test session will be displayed in a summary at the end of the test session. .. code-block:: ini # content of pytest.ini [pytest] filterwarnings = error ignore::DeprecationWarning This tells pytest to ignore deprecation warnings and turn all other warnings into errors. For more information please refer to :ref:`warnings`. .. confval:: junit_family .. versionadded:: 4.2 Configures the format of the generated JUnit XML file. The possible options are: * ``xunit1`` (or ``legacy``): produces old style output, compatible with the xunit 1.0 format. **This is the default**. * ``xunit2``: produces `xunit 2.0 style output `__, which should be more compatible with latest Jenkins versions. .. code-block:: ini [pytest] junit_family = xunit2 .. confval:: junit_suite_name .. versionadded:: 3.1 To set the name of the root test suite xml item, you can configure the ``junit_suite_name`` option in your config file: .. code-block:: ini [pytest] junit_suite_name = my_suite .. confval:: log_cli_date_format .. versionadded:: 3.3 Sets a :py:func:`time.strftime`-compatible string that will be used when formatting dates for live logging. .. code-block:: ini [pytest] log_cli_date_format = %Y-%m-%d %H:%M:%S For more information, see :ref:`live_logs`. .. confval:: log_cli_format .. versionadded:: 3.3 Sets a :py:mod:`logging`-compatible string used to format live logging messages. .. code-block:: ini [pytest] log_cli_format = %(asctime)s %(levelname)s %(message)s For more information, see :ref:`live_logs`. .. confval:: log_cli_level .. versionadded:: 3.3 Sets the minimum log message level that should be captured for live logging. The integer value or the names of the levels can be used. .. code-block:: ini [pytest] log_cli_level = INFO For more information, see :ref:`live_logs`. .. confval:: log_date_format .. versionadded:: 3.3 Sets a :py:func:`time.strftime`-compatible string that will be used when formatting dates for logging capture. .. code-block:: ini [pytest] log_date_format = %Y-%m-%d %H:%M:%S For more information, see :ref:`logging`. .. confval:: log_file .. versionadded:: 3.3 Sets a file name relative to the ``pytest.ini`` file where log messages should be written to, in addition to the other logging facilities that are active. .. code-block:: ini [pytest] log_file = logs/pytest-logs.txt For more information, see :ref:`logging`. .. confval:: log_file_date_format .. versionadded:: 3.3 Sets a :py:func:`time.strftime`-compatible string that will be used when formatting dates for the logging file. .. code-block:: ini [pytest] log_file_date_format = %Y-%m-%d %H:%M:%S For more information, see :ref:`logging`. .. confval:: log_file_format .. versionadded:: 3.3 Sets a :py:mod:`logging`-compatible string used to format logging messages redirected to the logging file. .. code-block:: ini [pytest] log_file_format = %(asctime)s %(levelname)s %(message)s For more information, see :ref:`logging`. .. confval:: log_file_level .. versionadded:: 3.3 Sets the minimum log message level that should be captured for the logging file. The integer value or the names of the levels can be used. .. code-block:: ini [pytest] log_file_level = INFO For more information, see :ref:`logging`. .. confval:: log_format .. versionadded:: 3.3 Sets a :py:mod:`logging`-compatible string used to format captured logging messages. .. code-block:: ini [pytest] log_format = %(asctime)s %(levelname)s %(message)s For more information, see :ref:`logging`. .. confval:: log_level .. versionadded:: 3.3 Sets the minimum log message level that should be captured for logging capture. The integer value or the names of the levels can be used. .. code-block:: ini [pytest] log_level = INFO For more information, see :ref:`logging`. .. confval:: log_print .. versionadded:: 3.3 If set to ``False``, will disable displaying captured logging messages for failed tests. .. code-block:: ini [pytest] log_print = False For more information, see :ref:`logging`. .. confval:: markers When the ``--strict`` command-line argument is used, only known markers - defined in code by core pytest or some plugin - are allowed. You can list additional markers in this setting to add them to the whitelist. You can list one marker name per line, indented from the option name. .. code-block:: ini [pytest] markers = slow serial .. confval:: minversion Specifies a minimal pytest version required for running tests. .. code-block:: ini # content of pytest.ini [pytest] minversion = 3.0 # will fail if we run with pytest-2.8 .. confval:: norecursedirs Set the directory basename patterns to avoid when recursing for test discovery. The individual (fnmatch-style) patterns are applied to the basename of a directory to decide if to recurse into it. Pattern matching characters:: * matches everything ? matches any single character [seq] matches any character in seq [!seq] matches any char not in seq Default patterns are ``'.*', 'build', 'dist', 'CVS', '_darcs', '{arch}', '*.egg', 'venv'``. Setting a ``norecursedirs`` replaces the default. Here is an example of how to avoid certain directories: .. code-block:: ini [pytest] norecursedirs = .svn _build tmp* This would tell ``pytest`` to not look into typical subversion or sphinx-build directories or into any ``tmp`` prefixed directory. Additionally, ``pytest`` will attempt to intelligently identify and ignore a virtualenv by the presence of an activation script. Any directory deemed to be the root of a virtual environment will not be considered during test collection unless ``‑‑collect‑in‑virtualenv`` is given. Note also that ``norecursedirs`` takes precedence over ``‑‑collect‑in‑virtualenv``; e.g. if you intend to run tests in a virtualenv with a base directory that matches ``'.*'`` you *must* override ``norecursedirs`` in addition to using the ``‑‑collect‑in‑virtualenv`` flag. .. confval:: python_classes One or more name prefixes or glob-style patterns determining which classes are considered for test collection. Search for multiple glob patterns by adding a space between patterns. By default, pytest will consider any class prefixed with ``Test`` as a test collection. Here is an example of how to collect tests from classes that end in ``Suite``: .. code-block:: ini [pytest] python_classes = *Suite Note that ``unittest.TestCase`` derived classes are always collected regardless of this option, as ``unittest``'s own collection framework is used to collect those tests. .. confval:: python_files One or more Glob-style file patterns determining which python files are considered as test modules. Search for multiple glob patterns by adding a space between patterns: .. code-block:: ini [pytest] python_files = test_*.py check_*.py example_*.py Or one per line: .. code-block:: ini [pytest] python_files = test_*.py check_*.py example_*.py By default, files matching ``test_*.py`` and ``*_test.py`` will be considered test modules. .. confval:: python_functions One or more name prefixes or glob-patterns determining which test functions and methods are considered tests. Search for multiple glob patterns by adding a space between patterns. By default, pytest will consider any function prefixed with ``test`` as a test. Here is an example of how to collect test functions and methods that end in ``_test``: .. code-block:: ini [pytest] python_functions = *_test Note that this has no effect on methods that live on a ``unittest .TestCase`` derived class, as ``unittest``'s own collection framework is used to collect those tests. See :ref:`change naming conventions` for more detailed examples. .. confval:: testpaths .. versionadded:: 2.8 Sets list of directories that should be searched for tests when no specific directories, files or test ids are given in the command line when executing pytest from the :ref:`rootdir ` directory. Useful when all project tests are in a known location to speed up test collection and to avoid picking up undesired tests by accident. .. code-block:: ini [pytest] testpaths = testing doc This tells pytest to only look for tests in ``testing`` and ``doc`` directories when executing from the root directory. .. confval:: usefixtures List of fixtures that will be applied to all test functions; this is semantically the same to apply the ``@pytest.mark.usefixtures`` marker to all test functions. .. code-block:: ini [pytest] usefixtures = clean_db .. confval:: xfail_strict If set to ``True``, tests marked with ``@pytest.mark.xfail`` that actually succeed will by default fail the test suite. For more information, see :ref:`xfail strict tutorial`. .. code-block:: ini [pytest] xfail_strict = True