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Title: gh-127221: Add colour to unittest output by hugovk · Pull Request #127223 · python/cpython · GitHub

Open Graph Title: gh-127221: Add colour to unittest output by hugovk · Pull Request #127223 · python/cpython

X Title: gh-127221: Add colour to unittest output by hugovk · Pull Request #127223 · python/cpython

Description: Use the existing _colorize module already used for tracebacks and doctest so output can be controlled with the PYTHON_COLORS, NO_COLOR and FORCE_COLOR environment variables. This PR does a couple of things to add colour: Enable colour for tracebacks by passing in colorize to msgLines = list(tb_e.format(colorize=can_colorize())) Add colour for pass/fail/errors, using pytest as a guide Plus some unrelated tidy-up (use more specific test methods, new-style objects, underscore variables) Tested with some small demo scripts: No tests ran run-unittests-none.py import unittest if __name__ == "__main__": unittest.main() Before After pytest Passed run-unittests-pass.py Mode Before After pytest Regular Verbose Failing run-unittests.py import unittest class TestThings(unittest.TestCase): def test_pass(self): self.assertTrue(True) def test_fail(self): self.assertTrue(False) def test_error(self): raise Exception("Manually raised exception") def test_pass2(self): self.assertEqual(1, 1) @unittest.skip("demonstrating skipping") def test_skip(self): self.fail("shouldn't happen") class ExpectedFailureTestCase(unittest.TestCase): @unittest.expectedFailure def test_fail(self): self.assertEqual(1, 0, "broken") @unittest.expectedFailure def test_pass(self): self.assertEqual(1, 1, "not broken") if __name__ == "__main__": unittest.main() Mode Before After pytest Regular Verbose Subtests run-unittests-subtests.py import unittest class DoSubTest(unittest.TestCase): def test_subtest(self): """Test with subtest""" for i in range(0, 4): with self.subTest(i=i): if i == 2: raise Exception("Manually raised exception") self.assertEqual(i % 2, 0) if __name__ == "__main__": unittest.main() Mode Before After pytest Regular Verbose 📚 Documentation preview 📚: https://cpython-previews--127223.org.readthedocs.build/ Issue: gh-127221

Open Graph Description: Use the existing _colorize module already used for tracebacks and doctest so output can be controlled with the PYTHON_COLORS, NO_COLOR and FORCE_COLOR environment variables. This PR does a couple o...

X Description: Use the existing _colorize module already used for tracebacks and doctest so output can be controlled with the PYTHON_COLORS, NO_COLOR and FORCE_COLOR environment variables. This PR does a couple o...

Opengraph URL: https://github.com/python/cpython/pull/127223

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