diff options
Diffstat (limited to 'tests/test_process.py')
| -rw-r--r-- | tests/test_process.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/test_process.py b/tests/test_process.py index 3023a18c..b41472d6 100644 --- a/tests/test_process.py +++ b/tests/test_process.py @@ -94,6 +94,42 @@ class ProcessTest(CoverageTest): data.read_file(".coverage") self.assertEqual(data.line_counts()['b_or_c.py'], 7) + def test_combine_parallel_data_with_a_corrupt_file(self): + self.make_b_or_c_py() + out = self.run_command("coverage run -p b_or_c.py b") + self.assertEqual(out, 'done\n') + self.assert_doesnt_exist(".coverage") + self.assertEqual(self.number_of_data_files(), 1) + + out = self.run_command("coverage run -p b_or_c.py c") + self.assertEqual(out, 'done\n') + self.assert_doesnt_exist(".coverage") + + # After two -p runs, there should be two .coverage.machine.123 files. + self.assertEqual(self.number_of_data_files(), 2) + + # Make a bogus data file. + self.make_file(".coverage.bad", "This isn't a coverage data file.") + + # Combine the parallel coverage data files into .coverage . + out = self.run_command("coverage combine -i") + self.assert_exists(".coverage") + self.assert_exists(".coverage.bad") + warning_regex = ( + r"Coverage.py warning: Couldn't read data from '.*\.coverage\.bad': " + r"CoverageException: Doesn't seem to be a coverage\.py data file" + ) + self.assertRegex(out, warning_regex) + + # After combining, those two should be the only data files. + self.assertEqual(self.number_of_data_files(), 2) + + # Read the coverage file and see that b_or_c.py has all 7 lines + # executed. + data = coverage.CoverageData() + data.read_file(".coverage") + self.assertEqual(data.line_counts()['b_or_c.py'], 7) + def test_combine_parallel_data_in_two_steps(self): self.make_b_or_c_py() |