pytest plugin to add diagnostic information to the header of the test output
This plugin package provides a way to include information about the system, Python installation, and select dependencies in the header of the output when running pytest. It can be used with packages that are not affiliated with the Astropy project, but is optimized for use with astropy-related projects.
The pytest-astropy-header plugin can be installed using pip:
$ pip install pytest-astropy-header
It is also possible to install the latest development version from the source repository:
$ git clone https://github.com/astropy/pytest-astropy-header $ cd pytest-astropy-header $ pip install .
In either case, the plugin will automatically be registered for use with pytest.
The plugin provided by this package makes it easy to include a header with diagnostic information before running the tests, e.g.:
Running tests in astropy. Date: 2019-09-02T23:33:43 Platform: Darwin-18.7.0-x86_64-i386-64bit Executable: /Users/tom/python/dev/bin/python3.7 Full Python Version: 3.7.4 (v3.7.4:e09359112e, Jul 8 2019, 14:54:52) [Clang 6.0 (clang-600.0.57)] encodings: sys: utf-8, locale: UTF-8, filesystem: utf-8 byteorder: little float info: dig: 15, mant_dig: 15 Package versions: numpy: 1.16.4 scipy: 1.3.0 matplotlib: 3.1.1 h5py: 2.9.0 pandas: 0.24.2 astropy: 4.0.dev25634 Using Astropy options: remote_data: none.
The most robust way to enable the plugin in a way that will work regardless of how the tests are run (e.g. via python setup.py test, pytest, or package.test()) is to add the following to a conftest.py file that is inside your package:
def pytest_configure(config): config.option.astropy_header = True
By default, a few packages will be shown, but you may want to customize how the packages appear. As for enabling the plugin, the most robust way to do this to be compatible with different astropy versions is via the conftest.py file:
from pytest_astropy_header.display import PYTEST_HEADER_MODULES, TESTED_VERSIONS def pytest_configure(config): config.option.astropy_header = True PYTEST_HEADER_MODULES.pop('Pandas') PYTEST_HEADER_MODULES['scikit-image'] = 'skimage'
The key to PYTEST_HEADER_MODULES should be the name that will be displayed in the header, and the value should be the name of the Python module.
Migrating from the astropy header plugin to pytest-astropy
Before the v4.0 release of the core astropy package, the plugin that handles the header of the testing output described above lived in astropy.tests.plugins.display. A few steps are now needed to update packages to make sure that only the pytest-astropy version is used instead. These should be done in addition to the configuration mentioned in the previous section.
First, you should be able to significantly simplify the conftest.py file by replacing e.g.:
from astropy.version import version as astropy_version if astropy_version < '3.0': # With older versions of Astropy, we actually need to import the pytest # plugins themselves in order to make them discoverable by pytest. from astropy.tests.pytest_plugins import * else: # As of Astropy 3.0, the pytest plugins provided by Astropy are # automatically made available when Astropy is installed. This means it's # not necessary to import them here, but we still need to import global # variables that are used for configuration. from astropy.tests.plugins.display import (pytest_report_header, PYTEST_HEADER_MODULES, TESTED_VERSIONS) # Customize the following lines to add/remove entries from # the list of packages for which version numbers are displayed when running # the tests. Making it pass for KeyError is essential in some cases when # the package uses other astropy affiliated packages. try: PYTEST_HEADER_MODULES['Astropy'] = 'astropy' del PYTEST_HEADER_MODULES['h5py'] except KeyError: pass # This is to figure out the package version, rather than # using Astropy's from .version import version, astropy_helpers_version packagename = os.path.basename(os.path.dirname(__file__)) TESTED_VERSIONS[packagename] = version TESTED_VERSIONS['astropy_helpers'] = astropy_helpers_version
import os from astropy.version import version as astropy_version if astropy_version < '3.0': from astropy.tests.pytest_plugins import * del pytest_report_header else: from pytest_astropy_header.display import PYTEST_HEADER_MODULES, TESTED_VERSIONS def pytest_configure(config): config.option.astropy_header = True PYTEST_HEADER_MODULES.pop('Pandas', None) PYTEST_HEADER_MODULES['scikit-image'] = 'skimage' from .version import version, astropy_helpers_version packagename = os.path.basename(os.path.dirname(__file__)) TESTED_VERSIONS[packagename] = version TESTED_VERSIONS['astropy_helpers'] = astropy_helpers_version
Note that while you will need to use a recent version of pytest-astropy for this to work, it should work with Astropy 2.0 onwards without requiring all the try...except for imports.
Next check all of your conftest.py files and be sure to remove the old plugin from lists such as:
pytest_plugins = [ 'astropy.tests.plugins.display', ]
Questions, bug reports, and feature requests can be submitted on github.
This package is licensed under a 3-clause BSD style license - see the LICENSE.rst file.
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