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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-05 04:45:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-05 04:45:14 +0000 |
commit | 5b43aaac61ac94abe722bc98ae58468618f2f512 (patch) | |
tree | 3d58c89faa23d194f83abb24ae1fd05067538fff /docs/pages/advanced_topics | |
parent | Adding upstream version 3.0.43. (diff) | |
download | prompt-toolkit-upstream.tar.xz prompt-toolkit-upstream.zip |
Adding upstream version 3.0.46.upstream/3.0.46upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/pages/advanced_topics')
-rw-r--r-- | docs/pages/advanced_topics/unit_testing.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/pages/advanced_topics/unit_testing.rst b/docs/pages/advanced_topics/unit_testing.rst index 2224bfc..02ca82d 100644 --- a/docs/pages/advanced_topics/unit_testing.rst +++ b/docs/pages/advanced_topics/unit_testing.rst @@ -116,6 +116,21 @@ single fixture that does it for every test. Something like this: with create_app_session(input=pipe_input, output=DummyOutput()): yield pipe_input +For compatibility with pytest's ``capsys`` fixture, we have to create a new +:class:`~prompt_toolkit.application.current.AppSession` for every test. This +can be done in an autouse fixture. Pytest replaces ``sys.stdout`` with a new +object in every test that uses ``capsys`` and the following will ensure that +the new :class:`~prompt_toolkit.application.current.AppSession` will each time +refer to the latest output. + +.. code:: python + + from prompt_toolkit.application import create_app_session + + @fixture(autouse=True, scope="function") + def _pt_app_session() + with create_app_session(): + yield Type checking ------------- |