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.. image:: https://img.shields.io/pypi/v/pytest-freezegun.svg :target: https://pypi.python.org/pypi/pytest-freezegun/
.. image:: https://travis-ci.org/ktosiek/pytest-freezegun.svg?branch=master :target: https://travis-ci.org/ktosiek/pytest-freezegun :alt: See Build Status on Travis CI
.. image:: https://ci.appveyor.com/api/projects/status/github/ktosiek/pytest-freezegun?branch=master&svg=true :target: https://ci.appveyor.com/project/ktosiek/pytest-freezegun/branch/master :alt: See Build Status on AppVeyor
Wrap tests with fixtures in freeze_time
You can install "pytest-freezegun" via pip
_ from PyPI
_::
$ pip install pytest-freezegun
Freeze time by using the freezer
fixture::
def test_frozen_date(freezer):
now = datetime.now()
time.sleep(1)
later = datetime.now()
assert now == later
This can then be used to move time::
def test_moving_date(freezer):
now = datetime.now()
freezer.move_to('2017-05-20')
later = datetime.now()
assert now != later
You can also pass arguments to freezegun by using the freeze_time
mark::
@pytest.mark.freeze_time('2017-05-21')
def test_current_date():
assert date.today() == date(2017, 5, 21)
The freezer
fixture and freeze_time
mark can be used together,
and they work with other fixtures::
@pytest.fixture
def current_date():
return date.today()
@pytest.mark.freeze_time
def test_changing_date(current_date, freezer):
freezer.move_to('2017-05-20')
assert current_date == date(2017, 5, 20)
freezer.move_to('2017-05-21')
assert current_date == date(2017, 5, 21)
They can also be used in class-based tests::
class TestDate:
@pytest.mark.freeze_time
def test_changing_date(self, current_date, freezer):
freezer.move_to('2017-05-20')
assert current_date == date(2017, 5, 20)
freezer.move_to('2017-05-21')
assert current_date == date(2017, 5, 21)
Contributions are very welcome.
Tests can be run with tox
_.
You can later check coverage with coverage combine && coverage html
.
Please try to keep coverage at least the same before you submit a pull request.
Distributed under the terms of the MIT
_ license, "pytest-freezegun" is free and open source software
If you encounter any problems, please file an issue
_ along with a detailed description.
This Pytest
_ plugin was generated with Cookiecutter
_ along with @hackebrot
's Cookiecutter-pytest-plugin
template.
.. _Cookiecutter
: https://github.com/audreyr/cookiecutter
.. _@hackebrot
: https://github.com/hackebrot
.. _MIT
: http://opensource.org/licenses/MIT
.. _cookiecutter-pytest-plugin
: https://github.com/pytest-dev/cookiecutter-pytest-plugin
.. _file an issue
: https://github.com/ktosiek/pytest-freezegun/issues
.. _pytest
: https://github.com/pytest-dev/pytest
.. _tox
: https://tox.readthedocs.io/en/latest/
.. _pip
: https://pypi.python.org/pypi/pip/
.. _PyPI
: https://pypi.python.org/pypi
FAQs
Wrap tests with fixtures in freeze_time
We found that pytest-freezegun demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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