Warnings ​

Custom warnings generated in some situations such as improper usage or deprecated features.

class PytestWarning ​

Bases: UserWarning

Base class for all warnings emitted by pytest.

class PytestAssertRewriteWarning ​

Bases: PytestWarning

Warning emitted by the pytest assert rewrite module.

class PytestCacheWarning ​

Bases: PytestWarning

Warning emitted by the cache plugin in various situations.

class PytestCollectionWarning ​

Bases: PytestWarning

Warning emitted when pytest is not able to collect a file or symbol in a module.

class PytestConfigWarning ​

Bases: PytestWarning

Warning emitted for configuration issues.

class PytestDeprecationWarning ​

Bases: PytestWarning, DeprecationWarning

Warning class for features that will be removed in a future version.

class PytestExperimentalApiWarning ​

Bases: PytestWarning, FutureWarning

Warning category used to denote experiments in pytest.

Use sparingly as the API might change or even be removed completely in a future version.

class PytestReturnNotNoneWarning ​

Bases: PytestRemovedIn8Warning

Warning emitted when a test function is returning value other than None.

class PytestRemovedIn8Warning ​

Bases: PytestDeprecationWarning

Warning class for features that will be removed in pytest 8.

class PytestRemovedIn9Warning ​

Bases: PytestDeprecationWarning

Warning class for features that will be removed in pytest 9.

class PytestUnhandledCoroutineWarning ​

Bases: PytestReturnNotNoneWarning

Warning emitted for an unhandled coroutine.

A coroutine was encountered when collecting test functions, but was not handled by any async-aware plugin. Coroutine test functions are not natively supported.

class PytestUnknownMarkWarning ​

Bases: PytestWarning

Warning emitted on use of unknown markers.

See How to mark test functions with attributes for details.

class PytestUnraisableExceptionWarning ​

Bases: PytestWarning

An unraisable exception was reported.

Unraisable exceptions are exceptions raised in __del__ implementations and similar situations when the exception cannot be raised as normal.

class PytestUnhandledThreadExceptionWarning ​

Bases: PytestWarning

An unhandled exception occurred in a Thread.

Such exceptions don’t propagate normally.

Consult the Internal pytest warnings section in the documentation for more information.