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Pytest plugin to display test reports as a plaintext spec, inspired by Rspec: https://github.com/mattduck/pytest-it.
|PyPI| |Travis|
Decorate your pytest suite with RSpec-inspired <rspec.info>
_ markers describe
, context
and
it
. Then run pytest --it
to see a plaintext, org-mode compatible spec of the
test structure.
.. image:: img/output-example.png
pytest-it
is available on PyPi <https://pypi.org/project/pytest-it/>
_: pip install pytest-it
.
A basic example that uses pytest.mark.describe
, pytest.mark.context
and pytest.mark.it
:
.. code-block:: python
from pytest import mark as m
@m.describe("The test function report format")
class TestPytestItExample(object):
@m.context("When @pytest.mark.it is used")
@m.it("Displays an '- It: ' block matching the decorator")
def test_it_decorator(self, testdir):
pass
This produces::
Describe: The test function report format...
Describe
and Context
blocks can be nested arbitrarily by using multiple
markers, eg:
.. code-block:: python
from pytest import mark as m
@m.describe("The test function report format")
class TestPytestItExample(object):
@m.context("When @pytest.mark.it is not used")
@m.it("Displays the test function name")
def test_no_argument(self, testdir):
pass
@m.context("When @pytest.mark.it is not used")
@m.context("but the test name starts with 'test_it_'")
@m.it("Prettifies the test name into the 'It: ' value")
def test_populates_the_it_marker_using_function_name(self, testdir):
pass
This produces::
Describe: The test function report format...
✓ It: Displays the test function name
...but the test name starts with 'test_it_'...
Pytest markers are used to specify the Describe:
, Context:
and It:
sections. You can set these in all the usual ways that you specify pytest
markers.
Describe
and Context
can be nested arbitrarily.
If --collect-only
is used, it displays the same pytest-it
spec as usual, but
without the test result (✓/F/s).
If -v
is higher than 0, the full path to the test function is include in the
test name.
If pytest.mark.it
is not used on a test, the test name is displayed instead
of the It: does something
output.
If pytest.mark.it
is not used but the test name starts with test_it
,
pytest-it
will prettify the test name into an It: does something
value.
The test output should be able to be copied directly into an org-mode <https://orgmode.org/>
_ file.
Pytest provides a lot of useful features for testing in Python, but when testing
complex systems, it can be hard to clearly communicate the intent of a test
using the standard test_module.py::TestClass::test_function
structure.
One way to improve clarity is to use a BDD testing framework
(eg. Behave <https://github.com/behave/behave>
,
Mamba <https://github.com/nestorsalceda/mamba>
, Rspec <http://rspec.info>
_), but
it's not always desirable to restructure existing test and program code.
There are some pytest plugins that attempt to bridge this gap, by providing
alternative ways to structure the tests (eg. pytest-describe <https://github.com/ropez/pytest-describe>
, pytest-bdd <https://github.com/pytest-dev/pytest-bdd>
), or
altering the test report output (eg. pytest-testdox <https://github.com/renanivo/pytest-testdox>
, pytest-pspec <https://github.com/gowtham-sai/pytest-pspec>
).
pytest-it
takes a similar approach to pytest-testdox
, by providing pytest
markers that can describe the test output. pytest-it
supports a few other
features, such as:
describe
and context
markers.--collect-only
pytest flag to display test structure.-v
is used.pytest-it
markers.Although pytest-it
does not change the behaviour of pytest tests, you may find it
a useful tool for thinking about test structure, and communicating the intention
of both the test code and the system under test.
.. |PyPI| image:: https://img.shields.io/pypi/v/pytest-it.svg :target: https://pypi.python.org/pypi/pytest-it
.. |Travis| image:: https://travis-ci.org/mattduck/pytest-it.svg?branch=master :target: https://travis-ci.org/mattduck/pytest-it
FAQs
Pytest plugin to display test reports as a plaintext spec, inspired by Rspec: https://github.com/mattduck/pytest-it.
We found that pytest-it 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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