unittest-based test runner with Ant/JUnit like XML reporting.
unittest-xml-reporting (aka xmlrunner)
A unittest test runner that can save test results to XML files in xUnit format. The files can be consumed by a wide range of tools, such as build systems, IDEs and continuous integration servers.
- Python 3.7+
- Please note Python 3.6 end-of-life was in Dec 2021, last version supporting 3.6 was 3.1.0
- Please note Python 3.5 end-of-life was in Sep 2020, last version supporting 3.5 was 3.1.0
- Please note Python 2.7 end-of-life was in Jan 2020, last version supporting 2.7 was 2.5.2
- Please note Python 3.4 end-of-life was in Mar 2019, last version supporting 3.4 was 2.5.2
- Please note Python 2.6 end-of-life was in Oct 2013, last version supporting 2.6 was 1.14.0
Limited support for
unittest has the concept of sub-tests for a
unittest.TestCase; this doesn't map well to an existing xUnit concept, so you won't find it in the schema. What that means, is that you lose some granularity
in the reports for sub-tests.
unittest also does not report successful sub-tests, so the accounting won't be exact.
- Jenkins JUnit plugin : https://plugins.jenkins.io/junit/
- Jenkins xUnit plugin : https://plugins.jenkins.io/xunit/
Jenkins JUnit plugin
This plugin does not perform XSD validation (at time of writing) and should parse the XML file without issues.
Jenkins xUnit plugin version 1.100
- Jenkins (junit-10.xsd), xunit plugin (2014-2018), version
This plugin does perfom XSD validation and uses the more lax XSD. This should parse the XML file without issues.
Jenkins xUnit plugin version 1.104+
- Jenkins (junit-10.xsd), xunit plugin (2018-current), version
This plugin does perfom XSD validation and uses the more strict XSD.
import io import unittest import xmlrunner # run the tests storing results in memory out = io.BytesIO() unittest.main( testRunner=xmlrunner.XMLTestRunner(output=out), failfast=False, buffer=False, catchbreak=False, exit=False)
Transform the results removing extra attributes.
from xmlrunner.extra.xunit_plugin import transform with open('TEST-report.xml', 'wb') as report: report.write(transform(out.getvalue()))
JUnit Schema ?
There are many tools claiming to write JUnit reports, so you will find many schemas with minor differences.
We used the XSD that was available in the Jenkins xUnit plugin version
1.100; a copy is available under
tests/vendor/jenkins/xunit-plugin/.../junit-10.xsd (see attached license).
You may also find these resources useful:
- JUnit-Schema (JUnit.xsd)
- Windyroad (JUnit.xsd)
- a gist (Jenkins xUnit test result schema)
The easiest way to install unittest-xml-reporting is via Pip:
$ pip install unittest-xml-reporting
If you use Git and want to get the latest development version:
$ git clone https://github.com/xmlrunner/unittest-xml-reporting.git $ cd unittest-xml-reporting $ sudo python setup.py install
Or get the latest development version as a tarball:
$ wget https://github.com/xmlrunner/unittest-xml-reporting/archive/master.zip $ unzip master.zip $ cd unittest-xml-reporting $ sudo python setup.py install
Or you can manually download the latest released version from PyPI.
python -m xmlrunner [options] python -m xmlrunner discover [options] # help python -m xmlrunner -h
python -m xmlrunner discover -t ~/mycode/tests -o /tmp/build/junit-reports
The script below, adapted from the
unittest, shows how to use
XMLTestRunner in a very simple way. In fact, the only difference between
this script and the original one is the last line:
import random import unittest import xmlrunner class TestSequenceFunctions(unittest.TestCase): def setUp(self): self.seq = list(range(10)) @unittest.skip("demonstrating skipping") def test_skipped(self): self.fail("shouldn't happen") def test_shuffle(self): # make sure the shuffled sequence does not lose any elements random.shuffle(self.seq) self.seq.sort() self.assertEqual(self.seq, list(range(10))) # should raise an exception for an immutable sequence self.assertRaises(TypeError, random.shuffle, (1,2,3)) def test_choice(self): element = random.choice(self.seq) self.assertTrue(element in self.seq) def test_sample(self): with self.assertRaises(ValueError): random.sample(self.seq, 20) for element in random.sample(self.seq, 5): self.assertTrue(element in self.seq) if __name__ == '__main__': unittest.main( testRunner=xmlrunner.XMLTestRunner(output='test-reports'), # these make sure that some options that are not applicable # remain hidden from the help menu. failfast=False, buffer=False, catchbreak=False)
Reporting to a single file
if __name__ == '__main__': with open('/path/to/results.xml', 'wb') as output: unittest.main( testRunner=xmlrunner.XMLTestRunner(output=output), failfast=False, buffer=False, catchbreak=False)
The XMLTestRunner can also be used to report on docstrings style tests.
import doctest import xmlrunner def twice(n): """ >>> twice(5) 10 """ return 2 * n class Multiplicator(object): def threetimes(self, n): """ >>> Multiplicator().threetimes(5) 15 """ return 3 * n if __name__ == "__main__": suite = doctest.DocTestSuite() xmlrunner.XMLTestRunner().run(suite)
In order to plug
XMLTestRunner to a Django project, add the following
TEST_RUNNER = 'xmlrunner.extra.djangotestrunner.XMLTestRunner'
Also, the following settings are provided so you can fine tune the reports:
||Besides the XML reports generated by the test runner, a bunch of useful information is printed to the
||If your test methods contains docstrings, you can display such docstrings instead of display the test name (ex:
In order to use this feature, you have to enable verbose output by setting
Only effects stdout and not XML output.
||Tells the test runner where to put the XML reports. If the directory couldn't be found, the test runner will try to create it before generate the XML files.|
||Tells the test runner to output a single XML report with this filename under
Please note that for long running tests, this will keep the results in memory for a longer time than multiple reports, and may use up more resources.
We are always looking for good contributions, so please just fork the repository and send pull requests (with tests!).
If you would like write access to the repository, or become a maintainer, feel free to get in touch.
Testing changes with
tox to test your changes before sending a pull request.
You can find more information about
tox at https://testrun.org/tox/latest/.
$ pip install tox # basic sanity test, friendly output $ tox -e pytest # all combinations $ tox
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