Bump pytest (#22320)

ci/environment-dev.yaml

@@ -8,7 +8,7 @@ dependencies:
   - flake8
   - flake8-comprehensions
   - moto
-  - pytest>=3.1
+  - pytest>=3.6
   - python-dateutil>=2.5.0
   - python=3
   - pytz

ci/requirements_dev.txt

@@ -5,7 +5,7 @@ NumPy
 flake8
 flake8-comprehensions
 moto
-pytest>=3.1
+pytest>=3.6
 python-dateutil>=2.5.0
 pytz
 setuptools>=24.2.0

doc/source/contributing.rst

@@ -652,13 +652,13 @@ Adding tests is one of the most common requests after code is pushed to *pandas*
 it is worth getting in the habit of writing tests ahead of time so this is never an issue.
 
 Like many packages, *pandas* uses `pytest
-<http://doc.pytest.org/en/latest/>`_ and the convenient
+<http://docs.pytest.org/en/latest/>`_ and the convenient
 extensions in `numpy.testing
 <http://docs.scipy.org/doc/numpy/reference/routines.testing.html>`_.
 
 .. note::
 
-   The earliest supported pytest version is 3.1.0.
+   The earliest supported pytest version is 3.6.0.
 
 Writing tests
 ~~~~~~~~~~~~~
@@ -702,7 +702,7 @@ Transitioning to ``pytest``
     class TestReallyCoolFeature(object):
         ....
 
-Going forward, we are moving to a more *functional* style using the `pytest <http://doc.pytest.org/en/latest/>`__ framework, which offers a richer testing
+Going forward, we are moving to a more *functional* style using the `pytest <http://docs.pytest.org/en/latest/>`__ framework, which offers a richer testing
 framework that will facilitate testing and developing. Thus, instead of writing test classes, we will write test functions like this:
 
 .. code-block:: python
@@ -766,7 +766,7 @@ A test run of this yields
 
    ((pandas) bash-3.2$ pytest  test_cool_feature.py  -v
    =========================== test session starts ===========================
-   platform darwin -- Python 3.6.2, pytest-3.2.1, py-1.4.31, pluggy-0.4.0
+   platform darwin -- Python 3.6.2, pytest-3.6.0, py-1.4.31, pluggy-0.4.0
    collected 11 items
 
    tester.py::test_dtypes[int8] PASSED
@@ -788,7 +788,7 @@ Tests that we have ``parametrized`` are now accessible via the test name, for ex
 
    ((pandas) bash-3.2$ pytest  test_cool_feature.py  -v -k int8
    =========================== test session starts ===========================
-   platform darwin -- Python 3.6.2, pytest-3.2.1, py-1.4.31, pluggy-0.4.0
+   platform darwin -- Python 3.6.2, pytest-3.6.0, py-1.4.31, pluggy-0.4.0
    collected 11 items
 
    test_cool_feature.py::test_dtypes[int8] PASSED
@@ -837,7 +837,7 @@ On Windows, one can type::
 This can significantly reduce the time it takes to locally run tests before
 submitting a pull request.
 
-For more, see the `pytest <http://doc.pytest.org/en/latest/>`_ documentation.
+For more, see the `pytest <http://docs.pytest.org/en/latest/>`_ documentation.
 
     .. versionadded:: 0.20.0
 

doc/source/install.rst

@@ -202,15 +202,15 @@ pandas is equipped with an exhaustive set of unit tests, covering about 97% of
 the code base as of this writing. To run it on your machine to verify that
 everything is working (and that you have all of the dependencies, soft and hard,
 installed), make sure you have `pytest
-<http://doc.pytest.org/en/latest/>`__ and run:
+<http://docs.pytest.org/en/latest/>`__ >= 3.6 and run:
 
 ::
 
     >>> import pandas as pd
     >>> pd.test()
     running: pytest --skip-slow --skip-network C:\Users\TP\Anaconda3\envs\py36\lib\site-packages\pandas
     ============================= test session starts =============================
-    platform win32 -- Python 3.6.2, pytest-3.2.1, py-1.4.34, pluggy-0.4.0
+    platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0
     rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg
     collected 12145 items / 3 skipped
 

doc/source/whatsnew/v0.23.5.txt

@@ -26,6 +26,11 @@ Fixed Regressions
 -
 -
 
+
+Development
+~~~~~~~~~~~
+- The minimum required pytest version has been increased to 3.6 (:issue:`22319`)
+
 .. _whatsnew_0235.bug_fixes:
 
 Bug Fixes

setup.cfg

@@ -31,6 +31,7 @@ split_penalty_after_opening_bracket = 1000000
 split_penalty_logical_operator = 30
 
 [tool:pytest]
+minversion = 3.6
 testpaths = pandas
 markers =
     single: mark a test as single cpu only