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Diffstat (limited to 'tests/test_api.py')
| -rw-r--r-- | tests/test_api.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/test_api.py b/tests/test_api.py index 301257dc..4f248441 100644 --- a/tests/test_api.py +++ b/tests/test_api.py @@ -918,3 +918,14 @@ class TestRunnerPluginTest(CoverageTest): def test_pytestcov_parallel_append(self): self.pretend_to_be_pytestcov(append=True) + + +class ImmutableConfigTest(CoverageTest): + """Check that reporting methods don't permanently change the configuration.""" + def test_config_doesnt_change(self): + self.make_file("simple.py", "a = 1") + cov = coverage.Coverage() + self.start_import_stop(cov, "simple") + self.assertEqual(cov.get_option("report:show_missing"), False) + cov.report(show_missing=True) + self.assertEqual(cov.get_option("report:show_missing"), False) |