class KUnitParserTest(unittest.TestCase): def setUp(self):
self.print_mock = mock.patch('kunit_printer.Printer.print').start()
self.addCleanup(mock.patch.stopall)
def noPrintCallContains(self, substr: str): for call in self.print_mock.mock_calls:
self.assertNotIn(substr, call.args[0])
def assertContains(self, needle: str, haystack: kunit_parser.LineStream): # Clone the iterator so we can print the contents on failure.
copy, backup = itertools.tee(haystack) for line in copy: if needle in line: return raise AssertionError(f'"{needle}" not found in {list(backup)}!')
def test_output_isolated_correctly(self):
log_path = test_data_path('test_output_isolated_correctly.log') with open(log_path) as file:
result = kunit_parser.extract_tap_lines(file.readlines())
self.assertContains('TAP version 14', result)
self.assertContains('# Subtest: example', result)
self.assertContains('1..2', result)
self.assertContains('ok 1 - example_simple_test', result)
self.assertContains('ok 2 - example_mock_test', result)
self.assertContains('ok 1 - example', result)
def test_parse_successful_test_log(self):
all_passed_log = test_data_path('test_is_test_passed-all_passed.log') with open(all_passed_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual(result.counts.errors, 0)
def test_parse_successful_nested_tests_log(self):
all_passed_log = test_data_path('test_is_test_passed-all_passed_nested.log') with open(all_passed_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual(result.counts.errors, 0)
def test_kselftest_nested(self):
kselftest_log = test_data_path('test_is_test_passed-kselftest.log') with open(kselftest_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual(result.counts.errors, 0)
def test_parse_failed_test_log(self):
failed_log = test_data_path('test_is_test_passed-failure.log') with open(failed_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)
self.assertEqual(result.counts.errors, 0)
def test_no_header(self):
empty_log = test_data_path('test_is_test_passed-no_tests_run_no_header.log') with open(empty_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(file.readlines()), stdout)
self.assertEqual(0, len(result.subtests))
self.assertEqual(kunit_parser.TestStatus.FAILURE_TO_PARSE_TESTS, result.status)
self.assertEqual(result.counts.errors, 1)
def test_missing_test_plan(self):
missing_plan_log = test_data_path('test_is_test_passed-' 'missing_plan.log') with open(missing_plan_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(
file.readlines()), stdout) # A missing test plan is not an error.
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=10, errors=0))
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
def test_no_tests(self):
header_log = test_data_path('test_is_test_passed-no_tests_run_with_header.log') with open(header_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(file.readlines()), stdout)
self.assertEqual(0, len(result.subtests))
self.assertEqual(kunit_parser.TestStatus.NO_TESTS, result.status)
self.assertEqual(result.counts.errors, 1)
def test_no_tests_no_plan(self):
no_plan_log = test_data_path('test_is_test_passed-no_tests_no_plan.log') with open(no_plan_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(file.readlines()), stdout)
self.assertEqual(0, len(result.subtests[0].subtests[0].subtests))
self.assertEqual(
kunit_parser.TestStatus.NO_TESTS,
result.subtests[0].subtests[0].status)
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=1, errors=1))
def test_no_kunit_output(self):
crash_log = test_data_path('test_insufficient_memory.log')
print_mock = mock.patch('kunit_printer.Printer.print').start() with open(crash_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(file.readlines()), stdout)
print_mock.assert_any_call(StrContains('Could not find any KTAP output.'))
print_mock.stop()
self.assertEqual(0, len(result.subtests))
self.assertEqual(result.counts.errors, 1)
def test_skipped_test(self):
skipped_log = test_data_path('test_skip_tests.log') with open(skipped_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
# A skipped test does not fail the whole suite.
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=4, skipped=1))
def test_skipped_all_tests(self):
skipped_log = test_data_path('test_skip_all_tests.log') with open(skipped_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
def test_ignores_hyphen(self):
hyphen_log = test_data_path('test_strip_hyphen.log') with open(hyphen_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
# A skipped test does not fail the whole suite.
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual( "sysctl_test",
result.subtests[0].name)
self.assertEqual( "example",
result.subtests[1].name)
def test_ignores_prefix_printk_time(self):
prefix_log = test_data_path('test_config_printk_time.log') with open(prefix_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertEqual(result.counts.errors, 0)
def test_ignores_multiple_prefixes(self):
prefix_log = test_data_path('test_multiple_prefixes.log') with open(prefix_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertEqual(result.counts.errors, 0)
def test_prefix_mixed_kernel_output(self):
mixed_prefix_log = test_data_path('test_interrupted_tap_output.log') with open(mixed_prefix_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertEqual(result.counts.errors, 0)
def test_prefix_poundsign(self):
pound_log = test_data_path('test_pound_sign.log') with open(pound_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertEqual(result.counts.errors, 0)
def test_kernel_panic_end(self):
panic_log = test_data_path('test_kernel_panic_interrupt.log') with open(panic_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.TEST_CRASHED, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertGreaterEqual(result.counts.errors, 1)
def test_pound_no_prefix(self):
pound_log = test_data_path('test_pound_no_prefix.log') with open(pound_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual('kunit-resource-test', result.subtests[0].name)
self.assertEqual(result.counts.errors, 0)
def test_summarize_failures(self):
output = """
KTAP version 1
1..2 # Subtest: all_failed_suite
1..2 not ok 1 - test1 not ok 2 - test2 not ok 1 - all_failed_suite # Subtest: some_failed_suite
1..2
ok 1 - test1 not ok 2 - test2 not ok 1 - some_failed_suite """
result = kunit_parser.parse_run_tests(output.splitlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)
def test_ktap_format(self):
ktap_log = test_data_path('test_parse_ktap_output.log') with open(ktap_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=3))
self.assertEqual('suite', result.subtests[0].name)
self.assertEqual('case_1', result.subtests[0].subtests[0].name)
self.assertEqual('case_2', result.subtests[0].subtests[1].name)
def test_parse_subtest_header(self):
ktap_log = test_data_path('test_parse_subtest_header.log') with open(ktap_log) as file:
kunit_parser.parse_run_tests(file.readlines(), stdout)
self.print_mock.assert_any_call(StrContains('suite (1 subtest)'))
def test_parse_attributes(self):
ktap_log = test_data_path('test_parse_attributes.log') with open(ktap_log) as file:
result = kunit_parser.parse_run_tests(file.readlines(), stdout)
# Test should pass with no errors
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=1, errors=0))
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
# Ensure suite header is parsed correctly
self.print_mock.assert_any_call(StrContains('suite (1 subtest)'))
# Ensure attributes in correct test log
self.assertContains('# module: example', result.subtests[0].log)
self.assertContains('# test.speed: slow', result.subtests[0].subtests[0].log)
def test_show_test_output_on_failure(self):
output = """
KTAP version 1
1..1
Test output.
Indented more. not ok 1 test1 """
result = kunit_parser.parse_run_tests(output.splitlines(), stdout)
self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)
self.print_mock.assert_any_call(StrContains('Test output.'))
self.print_mock.assert_any_call(StrContains(' Indented more.'))
self.noPrintCallContains('not ok 1 test1')
def test_parse_late_test_plan(self):
output = """
TAP version 13
ok 4 test4
1..4 """
result = kunit_parser.parse_run_tests(output.splitlines(), stdout) # Missing test results after test plan should alert a suspected test crash.
self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)
self.assertEqual(result.counts, kunit_parser.TestCounts(passed=1, errors=2))
def test_invalid_kunitconfig(self): with self.assertRaisesRegex(kunit_kernel.ConfigError, 'nonexistent.* does not exist'):
kunit_kernel.LinuxSourceTree('', kunitconfig_paths=['/nonexistent_file'])
def test_valid_kunitconfig(self): with tempfile.NamedTemporaryFile('wt') as kunitconfig:
kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[kunitconfig.name])
def test_dir_kunitconfig(self): with tempfile.TemporaryDirectory('') as dir: with open(os.path.join(dir, '.kunitconfig'), 'w'): pass
kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir])
with tempfile.TemporaryDirectory('') as dir:
other = os.path.join(dir, 'otherkunitconfig') with open(os.path.join(dir, '.kunitconfig'), 'w') as f:
f.write('CONFIG_KUNIT=y') with open(other, 'w') as f:
f.write('CONFIG_KUNIT_TEST=m') pass
tree = kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir, other])
self.assertTrue(want_kconfig.is_subset_of(tree._kconfig), msg=tree._kconfig)
def test_multiple_kunitconfig_invalid(self): with tempfile.TemporaryDirectory('') as dir:
other = os.path.join(dir, 'otherkunitconfig') with open(os.path.join(dir, '.kunitconfig'), 'w') as f:
f.write('CONFIG_KUNIT=y') with open(other, 'w') as f:
f.write('CONFIG_KUNIT=m')
with self.assertRaisesRegex(kunit_kernel.ConfigError, '(?s)Multiple values.*CONFIG_KUNIT'):
kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir, other])
with tempfile.TemporaryDirectory('') as build_dir:
tree = kunit_kernel.LinuxSourceTree(build_dir)
mock.patch.object(tree._ops, 'start', side_effect=fake_start).start()
with self.assertRaises(ValueError): for line in tree.run_kernel(build_dir=build_dir):
self.assertEqual(line, 'hi\n') raise ValueError('uh oh, did not read all output')
with open(kunit_kernel.get_outfile_path(build_dir), 'rt') as outfile:
self.assertEqual(outfile.read(), 'hi\nbye\n', msg='Missing some output')
def test_build_reconfig_no_config(self): with tempfile.TemporaryDirectory('') as build_dir: with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y')
tree = kunit_kernel.LinuxSourceTree(build_dir) # Stub out the source tree operations, so we don't have # the defaults for any given architecture get in the # way.
tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)
mock_build_config = mock.patch.object(tree, 'build_config').start()
# Should generate the .config
self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))
mock_build_config.assert_called_once_with(build_dir, [])
def test_build_reconfig_existing_config(self): with tempfile.TemporaryDirectory('') as build_dir: # Existing .config is a superset, should not touch it with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y') with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y') with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')
tree = kunit_kernel.LinuxSourceTree(build_dir) # Stub out the source tree operations, so we don't have # the defaults for any given architecture get in the # way.
tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)
mock_build_config = mock.patch.object(tree, 'build_config').start()
def test_build_reconfig_remove_option(self): with tempfile.TemporaryDirectory('') as build_dir: # We removed CONFIG_KUNIT_TEST=y from our .kunitconfig... with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y') with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y') with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:
f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')
tree = kunit_kernel.LinuxSourceTree(build_dir) # Stub out the source tree operations, so we don't have # the defaults for any given architecture get in the # way.
tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)
mock_build_config = mock.patch.object(tree, 'build_config').start()
# ... so we should trigger a call to build_config()
self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))
mock_build_config.assert_called_once_with(build_dir, [])
# TODO: add more test cases.
class KUnitJsonTest(unittest.TestCase): def setUp(self):
self.print_mock = mock.patch('kunit_printer.Printer.print').start()
self.addCleanup(mock.patch.stopall)
def _json_for(self, log_file): with open(test_data_path(log_file)) as file:
test_result = kunit_parser.parse_run_tests(file, stdout)
json_obj = kunit_json.get_json_result(
test=test_result,
metadata=kunit_json.Metadata()) return json.loads(json_obj)
class StrContains(str): def __eq__(self, other): return self in other
class KUnitMainTest(unittest.TestCase): def setUp(self):
path = test_data_path('test_is_test_passed-all_passed.log') with open(path) as file:
all_passed_log = file.readlines()
def test_run_raw_output_invalid(self):
self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) with self.assertRaises(SystemExit) as e:
kunit.main(['run', '--raw_output=invalid'])
self.assertNotEqual(e.exception.code, 0)
def test_run_raw_output_does_not_take_positional_args(self): # --raw_output is a string flag, but we don't want it to consume # any positional arguments, only ones after an '='
self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
kunit.main(['run', '--raw_output', 'filter_glob'])
self.linux_source_mock.run_kernel.assert_called_once_with(
args=None, build_dir='.kunit', filter_glob='filter_glob', filter='', filter_action=None, timeout=300)
def test_run_kunitconfig(self):
kunit.main(['run', '--kunitconfig=mykunitconfig']) # Just verify that we parsed and initialized it correctly here.
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=['mykunitconfig'],
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=[])
def test_config_kunitconfig(self):
kunit.main(['config', '--kunitconfig=mykunitconfig']) # Just verify that we parsed and initialized it correctly here.
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=['mykunitconfig'],
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=[])
def test_config_alltests(self):
kunit.main(['config', '--kunitconfig=mykunitconfig', '--alltests']) # Just verify that we parsed and initialized it correctly here.
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=[kunit_kernel.ALL_TESTS_CONFIG_PATH, 'mykunitconfig'],
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=[])
@mock.patch.object(kunit_kernel, 'LinuxSourceTree') def test_run_multiple_kunitconfig(self, mock_linux_init):
mock_linux_init.return_value = self.linux_source_mock
kunit.main(['run', '--kunitconfig=mykunitconfig', '--kunitconfig=other']) # Just verify that we parsed and initialized it correctly here.
mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=['mykunitconfig', 'other'],
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=[])
def test_run_kconfig_add(self):
kunit.main(['run', '--kconfig_add=CONFIG_KASAN=y', '--kconfig_add=CONFIG_KCSAN=y']) # Just verify that we parsed and initialized it correctly here.
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=[],
kconfig_add=['CONFIG_KASAN=y', 'CONFIG_KCSAN=y'],
arch='um',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=[])
def test_run_qemu_args(self):
kunit.main(['run', '--arch=x86_64', '--qemu_args', '-m 2048']) # Just verify that we parsed and initialized it correctly here.
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_paths=[],
kconfig_add=None,
arch='x86_64',
cross_compile=None,
qemu_config_path=None,
extra_qemu_args=['-m', '2048'])
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