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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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import unittestfrom unittest import mock
import tempfile, shutil # Handling test_tmpdir
import ioimport itertoolsimport jsonimport osimport signalimport subprocessimport sysfrom typing import Iterable
import kunit_configimport kunit_parserimport kunit_kernelimport kunit_jsonimport kunit_junitimport kunitfrom kunit_printer import stdout
test_tmpdir = ''abs_test_data_dir = ''
def setUpModule(): global test_tmpdir, abs_test_data_dir test_tmpdir = tempfile.mkdtemp() abs_test_data_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), 'test_data'))
def tearDownModule(): shutil.rmtree(test_tmpdir)
def _test_data_path(path): return os.path.join(abs_test_data_dir, path)
class KconfigTest(unittest.TestCase):
def test_is_subset_of(self): kconfig0 = kunit_config.Kconfig() self.assertTrue(kconfig0.is_subset_of(kconfig0))
kconfig1 = kunit_config.Kconfig() kconfig1.add_entry('TEST', 'y') self.assertTrue(kconfig1.is_subset_of(kconfig1)) self.assertTrue(kconfig0.is_subset_of(kconfig1)) self.assertFalse(kconfig1.is_subset_of(kconfig0))
def test_read_from_file(self): kconfig_path = _test_data_path('test_read_from_file.kconfig')
kconfig = kunit_config.parse_file(kconfig_path)
expected_kconfig = kunit_config.Kconfig() expected_kconfig.add_entry('UML', 'y') expected_kconfig.add_entry('MMU', 'y') expected_kconfig.add_entry('TEST', 'y') expected_kconfig.add_entry('EXAMPLE_TEST', 'y') expected_kconfig.add_entry('MK8', 'n')
self.assertEqual(kconfig, expected_kconfig)
def test_write_to_file(self): kconfig_path = os.path.join(test_tmpdir, '.config')
expected_kconfig = kunit_config.Kconfig() expected_kconfig.add_entry('UML', 'y') expected_kconfig.add_entry('MMU', 'y') expected_kconfig.add_entry('TEST', 'y') expected_kconfig.add_entry('EXAMPLE_TEST', 'y') expected_kconfig.add_entry('MK8', 'n')
expected_kconfig.write_to_file(kconfig_path)
actual_kconfig = kunit_config.parse_file(kconfig_path) self.assertEqual(actual_kconfig, expected_kconfig)
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_output_with_prefix_isolated_correctly(self): log_path = _test_data_path('test_pound_sign.log') with open(log_path) as file: result = kunit_parser.extract_tap_lines(file.readlines()) self.assertContains('TAP version 14', result) self.assertContains('# Subtest: kunit-resource-test', result) self.assertContains('1..5', result) self.assertContains('ok 1 - kunit_resource_test_init_resources', result) self.assertContains('ok 2 - kunit_resource_test_alloc_resource', result) self.assertContains('ok 3 - kunit_resource_test_destroy_resource', result) self.assertContains('foo bar #', result) self.assertContains('ok 4 - kunit_resource_test_cleanup_resources', result) self.assertContains('ok 5 - kunit_resource_test_proper_free_ordering', result) self.assertContains('ok 1 - kunit-resource-test', result) self.assertContains('foo bar # non-kunit output', result) self.assertContains('# Subtest: kunit-try-catch-test', result) self.assertContains('1..2', result) self.assertContains('ok 1 - kunit_test_try_catch_successful_try_no_catch', result) self.assertContains('ok 2 - kunit_test_try_catch_unsuccessful_try_does_catch', result) self.assertContains('ok 2 - kunit-try-catch-test', result) self.assertContains('# Subtest: string-stream-test', result) self.assertContains('1..3', result) self.assertContains('ok 1 - string_stream_test_empty_on_creation', result) self.assertContains('ok 2 - string_stream_test_not_empty_after_add', result) self.assertContains('ok 3 - string_stream_test_get_string', result) self.assertContains('ok 3 - string-stream-test', 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_parse_failed_nested_tests_log(self): nested_log = _test_data_path('test_is_test_passed-failure-nested.log') with open(nested_log) as file: result = kunit_parser.parse_run_tests(file.readlines(), stdout) self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status) self.assertEqual(result.counts.failed, 2) self.assertEqual(kunit_parser.TestStatus.FAILURE, result.subtests[0].status) self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.subtests[0].subtests[0].status) self.assertEqual(kunit_parser.TestStatus.FAILURE, result.subtests[1].status) self.assertEqual(kunit_parser.TestStatus.FAILURE, result.subtests[1].subtests[0].status)
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)
# The test result is skipped, and the skip reason is valid self.assertEqual(kunit_parser.TestStatus.SKIPPED, result.subtests[1].subtests[1].status) self.assertEqual("this test should be skipped", result.subtests[1].subtests[1].skip_reason)
# 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_reason_parse(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)
# The first test is skipped, with the correct reaons self.assertEqual(kunit_parser.TestStatus.SKIPPED, result.subtests[0].subtests[0].status) self.assertEqual("all tests skipped", result.subtests[0].subtests[0].skip_reason)
# The first suite is skipped, with no reason self.assertEqual(kunit_parser.TestStatus.SKIPPED, result.subtests[0].status) self.assertEqual("", result.subtests[0].skip_reason)
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)
self.assertEqual(kunit_parser.TestStatus.SKIPPED, result.status) self.assertEqual(result.counts, kunit_parser.TestCounts(skipped=5))
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)
self.assertEqual(kunit_parser._summarize_failed_tests(result), 'Failures: all_failed_suite, some_failed_suite.test2')
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 line_stream_from_strs(strs: Iterable[str]) -> kunit_parser.LineStream: return kunit_parser.LineStream(enumerate(strs, start=1))
class LineStreamTest(unittest.TestCase):
def test_basic(self): stream = line_stream_from_strs(['hello', 'world'])
self.assertTrue(stream, msg='Should be more input') self.assertEqual(stream.line_number(), 1) self.assertEqual(stream.peek(), 'hello') self.assertEqual(stream.pop(), 'hello')
self.assertTrue(stream, msg='Should be more input') self.assertEqual(stream.line_number(), 2) self.assertEqual(stream.peek(), 'world') self.assertEqual(stream.pop(), 'world')
self.assertFalse(stream, msg='Should be no more input') with self.assertRaisesRegex(ValueError, 'LineStream: going past EOF'): stream.pop()
def test_is_lazy(self): called_times = 0 def generator(): nonlocal called_times for _ in range(1,5): called_times += 1 yield called_times, str(called_times)
stream = kunit_parser.LineStream(generator()) self.assertEqual(called_times, 0)
self.assertEqual(stream.pop(), '1') self.assertEqual(called_times, 1)
self.assertEqual(stream.pop(), '2') self.assertEqual(called_times, 2)
class LinuxSourceTreeTest(unittest.TestCase):
def setUp(self): mock.patch.object(signal, 'signal').start() self.addCleanup(mock.patch.stopall)
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])
def test_multiple_kunitconfig(self): want_kconfig = kunit_config.Kconfig() want_kconfig.add_entry('KUNIT', 'y') want_kconfig.add_entry('KUNIT_TEST', 'm')
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])
def test_kconfig_add(self): want_kconfig = kunit_config.Kconfig() want_kconfig.add_entry('NOT_REAL', 'y')
tree = kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[os.devnull], kconfig_add=['CONFIG_NOT_REAL=y']) self.assertTrue(want_kconfig.is_subset_of(tree._kconfig), msg=tree._kconfig)
def test_invalid_arch(self): with self.assertRaisesRegex(kunit_kernel.ConfigError, 'not a valid arch, options are.*x86_64'): kunit_kernel.LinuxSourceTree('', arch='invalid')
def test_run_kernel_hits_exception(self): def fake_start(unused_args, unused_build_dir): return subprocess.Popen(['echo "hi\nbye"'], shell=True, text=True, stdout=subprocess.PIPE)
with tempfile.TemporaryDirectory('') as build_dir: tree = kunit_kernel.LinuxSourceTree(build_dir, kunitconfig_paths=[os.devnull]) 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_run_kernel_args_not_mutated(self): """Verify run_kernel() copies args so callers can reuse them.""" start_calls = []
def fake_start(start_args, unused_build_dir): start_calls.append(list(start_args)) return subprocess.Popen(['printf', 'KTAP version 1\n'], text=True, stdout=subprocess.PIPE)
with tempfile.TemporaryDirectory('') as build_dir: tree = kunit_kernel.LinuxSourceTree(build_dir, kunitconfig_paths=[os.devnull]) with mock.patch.object(tree._ops, 'start', side_effect=fake_start), \ mock.patch.object(kunit_kernel.subprocess, 'call'): kernel_args = ['mem=1G'] for _ in tree.run_kernel(args=kernel_args, build_dir=build_dir, filter_glob='suite.test1'): pass for _ in tree.run_kernel(args=kernel_args, build_dir=build_dir, filter_glob='suite.test2'): pass self.assertEqual(kernel_args, ['mem=1G'], 'run_kernel() should not modify caller args') self.assertIn('kunit.filter_glob=suite.test1', start_calls[0]) self.assertIn('kunit.filter_glob=suite.test2', start_calls[1])
def test_run_kernel_skips_terminal_reset_without_tty(self): def fake_start(unused_args, unused_build_dir): return subprocess.Popen(['printf', 'KTAP version 1\n'], text=True, stdout=subprocess.PIPE)
non_tty_stdin = mock.Mock() non_tty_stdin.isatty.return_value = False
with tempfile.TemporaryDirectory('') as build_dir: tree = kunit_kernel.LinuxSourceTree(build_dir, kunitconfig_paths=[os.devnull]) with mock.patch.object(tree._ops, 'start', side_effect=fake_start), \ mock.patch.object(kunit_kernel.sys, 'stdin', non_tty_stdin), \ mock.patch.object(kunit_kernel.subprocess, 'call') as mock_call: for _ in tree.run_kernel(build_dir=build_dir): pass
mock_call.assert_not_called()
def test_signal_handler_skips_terminal_reset_without_tty(self): non_tty_stdin = mock.Mock() non_tty_stdin.isatty.return_value = False tree = kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[os.devnull])
with mock.patch.object(kunit_kernel.sys, 'stdin', non_tty_stdin), \ mock.patch.object(kunit_kernel.subprocess, 'call') as mock_call, \ mock.patch.object(kunit_kernel.logging, 'error') as mock_error: tree.signal_handler(signal.SIGINT, None) mock_error.assert_called_once() mock_call.assert_not_called()
def test_signal_handler_resets_terminal_with_tty(self): tty_stdin = mock.Mock() tty_stdin.isatty.return_value = True tree = kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[os.devnull])
with mock.patch.object(kunit_kernel.sys, 'stdin', tty_stdin), \ mock.patch.object(kunit_kernel.subprocess, 'call') as mock_call, \ mock.patch.object(kunit_kernel.logging, 'error') as mock_error: tree.signal_handler(signal.SIGINT, None) mock_error.assert_called_once() mock_call.assert_called_once_with(['stty', 'sane'])
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()
self.assertTrue(tree.build_reconfig(build_dir, make_options=[])) self.assertEqual(mock_build_config.call_count, 0)
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)
def test_failed_test_json(self): result = self._json_for('test_is_test_passed-failure.log') self.assertEqual( {'name': 'example_simple_test', 'status': 'FAIL'}, result["sub_groups"][1]["test_cases"][0])
def test_crashed_test_json(self): result = self._json_for('test_kernel_panic_interrupt.log') self.assertEqual( {'name': '', 'status': 'ERROR'}, result["sub_groups"][2]["test_cases"][1])
def test_skipped_test_json(self): result = self._json_for('test_skip_tests.log') self.assertEqual( {'name': 'example_skip_test', 'status': 'SKIP'}, result["sub_groups"][1]["test_cases"][1])
def test_no_tests_json(self): result = self._json_for('test_is_test_passed-no_tests_run_with_header.log') self.assertEqual(0, len(result['sub_groups']))
def test_nested_json(self): result = self._json_for('test_is_test_passed-all_passed_nested.log') self.assertEqual( {'name': 'example_simple_test', 'status': 'PASS'}, result["sub_groups"][0]["sub_groups"][0]["test_cases"][0])
class StrContains(str): def __eq__(self, other): return self in other
class KUnitJUnitTest(unittest.TestCase): def setUp(self): self.print_mock = mock.patch('kunit_printer.Printer.print').start() self.addCleanup(mock.patch.stopall)
def _junit_string(self, log_file): with open(_test_data_path(log_file)) as file: test_result = kunit_parser.parse_run_tests(file, stdout) junit_string = kunit_junit.get_junit_result( test=test_result) print(junit_string) return junit_string
def test_failed_test_junit(self): result = self._junit_string('test_is_test_passed-failure.log') self.assertTrue("<failure>" in result)
def test_skipped_test_junit(self): result = self._junit_string('test_skip_tests.log') self.assertTrue("<skipped>" in result) self.assertTrue("skipped=\"1\"" in result)
def test_crashed_test_junit(self): result = self._junit_string('test_kernel_panic_interrupt.log') self.assertTrue("<error>" in result);
def test_no_tests_junit(self): result = self._junit_string('test_is_test_passed-no_tests_run_with_header.log') self.assertTrue("tests=\"0\"" in result) self.assertFalse("testcase" in result)
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()
self.print_mock = mock.patch('kunit_printer.Printer.print').start() mock.patch.dict(os.environ, clear=True).start() self.addCleanup(mock.patch.stopall)
self.mock_linux_init = mock.patch.object(kunit_kernel, 'LinuxSourceTree').start() self.linux_source_mock = self.mock_linux_init.return_value self.linux_source_mock.build_reconfig.return_value = True self.linux_source_mock.build_kernel.return_value = True self.linux_source_mock.run_kernel.return_value = all_passed_log
def test_config_passes_args_pass(self): kunit.main(['config', '--build_dir=.kunit']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)
def test_build_passes_args_pass(self): kunit.main(['build']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.build_kernel.assert_called_once_with(kunit.get_default_jobs(), '.kunit', None) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)
def test_exec_passes_args_pass(self): kunit.main(['exec']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 0) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_passes_args_pass(self): kunit.main(['run']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_exec_passes_args_fail(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) with self.assertRaises(SystemExit) as e: kunit.main(['exec']) self.assertEqual(e.exception.code, 1)
def test_run_passes_args_fail(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) with self.assertRaises(SystemExit) as e: kunit.main(['run']) self.assertEqual(e.exception.code, 1) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) self.print_mock.assert_any_call(StrContains('Could not find any KTAP output.'))
def test_exec_no_tests(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=['TAP version 14', '1..0']) with self.assertRaises(SystemExit) as e: kunit.main(['run']) self.assertEqual(e.exception.code, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains(' 0 tests run!'))
def test_exec_raw_output(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) kunit.main(['exec', '--raw_output']) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) for call in self.print_mock.call_args_list: self.assertNotEqual(call, mock.call(StrContains('Testing complete.'))) self.assertNotEqual(call, mock.call(StrContains(' 0 tests run!')))
def test_run_raw_output(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) kunit.main(['run', '--raw_output']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) for call in self.print_mock.call_args_list: self.assertNotEqual(call, mock.call(StrContains('Testing complete.'))) self.assertNotEqual(call, mock.call(StrContains(' 0 tests run!')))
def test_run_raw_output_kunit(self): self.linux_source_mock.run_kernel = mock.Mock(return_value=[]) kunit.main(['run', '--raw_output=kunit']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1) for call in self.print_mock.call_args_list: self.assertNotEqual(call, mock.call(StrContains('Testing complete.'))) self.assertNotEqual(call, mock.call(StrContains(' 0 tests run')))
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_exec_timeout(self): timeout = 3453 kunit.main(['exec', '--timeout', str(timeout)]) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=timeout) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_timeout(self): timeout = 3453 kunit.main(['run', '--timeout', str(timeout)]) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=timeout) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_builddir(self): build_dir = '.kunit' kunit.main(['run', '--build_dir=.kunit']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
@mock.patch.dict(os.environ, {'KBUILD_OUTPUT': '/tmp'}) def test_run_builddir_from_env(self): build_dir = '/tmp/.kunit' kunit.main(['run']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
@mock.patch.dict(os.environ, {'KBUILD_OUTPUT': '/tmp'}) def test_run_builddir_override(self): build_dir = '.kunit' kunit.main(['run', '--build_dir=.kunit']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_config_builddir(self): build_dir = '.kunit' kunit.main(['config', '--build_dir', build_dir]) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)
def test_build_builddir(self): build_dir = '.kunit' jobs = kunit.get_default_jobs() kunit.main(['build', '--build_dir', build_dir]) self.linux_source_mock.build_kernel.assert_called_once_with(jobs, build_dir, None)
def test_exec_builddir(self): build_dir = '.kunit' kunit.main(['exec', '--build_dir', build_dir]) self.linux_source_mock.run_kernel.assert_called_once_with( args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
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'])
def test_run_kernel_args(self): kunit.main(['run', '--kernel_args=a=1', '--kernel_args=b=2']) self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1) self.linux_source_mock.run_kernel.assert_called_once_with( args=['a=1','b=2'], build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_list_tests(self): want = ['suite.test1', 'suite.test2', 'suite2.test1'] self.linux_source_mock.run_kernel.return_value = ['TAP version 14', 'init: random output'] + want
got = kunit._list_tests(self.linux_source_mock, kunit.KunitExecRequest(None, None, None, False, False, '.kunit', 300, 'suite*', '', None, None, 'suite', False, False, False)) self.assertEqual(got, want) # Should respect the user's filter glob when listing tests. self.linux_source_mock.run_kernel.assert_called_once_with( args=['kunit.action=list'], build_dir='.kunit', filter_glob='suite*', filter='', filter_action=None, timeout=300)
@mock.patch.object(kunit, '_list_tests') def test_run_isolated_by_suite(self, mock_tests): mock_tests.return_value = ['suite.test1', 'suite.test2', 'suite2.test1'] kunit.main(['exec', '--run_isolated=suite', 'suite*.test*'])
# Should respect the user's filter glob when listing tests. mock_tests.assert_called_once_with(mock.ANY, kunit.KunitExecRequest(None, None, None, False, False, '.kunit', 300, 'suite*.test*', '', None, None, 'suite', False, False, False)) self.linux_source_mock.run_kernel.assert_has_calls([ mock.call(args=None, build_dir='.kunit', filter_glob='suite.test*', filter='', filter_action=None, timeout=300), mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test*', filter='', filter_action=None, timeout=300), ])
@mock.patch.object(kunit, '_list_tests') def test_run_isolated_by_test(self, mock_tests): mock_tests.return_value = ['suite.test1', 'suite.test2', 'suite2.test1'] kunit.main(['exec', '--run_isolated=test', 'suite*'])
# Should respect the user's filter glob when listing tests. mock_tests.assert_called_once_with(mock.ANY, kunit.KunitExecRequest(None, None, None, False, False, '.kunit', 300, 'suite*', '', None, None, 'test', False, False, False)) self.linux_source_mock.run_kernel.assert_has_calls([ mock.call(args=None, build_dir='.kunit', filter_glob='suite.test1', filter='', filter_action=None, timeout=300), mock.call(args=None, build_dir='.kunit', filter_glob='suite.test2', filter='', filter_action=None, timeout=300), mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test1', filter='', filter_action=None, timeout=300), ])
@mock.patch.object(kunit, '_list_tests') @mock.patch.object(sys, 'stdout', new_callable=io.StringIO) def test_list_suites(self, mock_stdout, mock_tests): mock_tests.return_value = ['suite.test1', 'suite.test2', 'suite2.test1'] kunit.main(['run', '--list_suites'])
want = ['suite', 'suite2'] output = mock_stdout.getvalue().split() self.assertEqual(output, want)
@mock.patch.object(sys, 'stdout', new_callable=io.StringIO) def test_list_cmds(self, mock_stdout): kunit.main(['--list-cmds']) output = mock_stdout.getvalue() output_cmds = sorted(output.split()) expected_cmds = sorted(['build', 'config', 'exec', 'parse', 'run']) self.assertEqual(output_cmds, expected_cmds)
@mock.patch.object(sys, 'stdout', new_callable=io.StringIO) def test_run_list_opts(self, mock_stdout): kunit.main(['run', '--list-opts']) output = mock_stdout.getvalue() output_cmds = set(output.split()) self.assertIn('--help', output_cmds) self.assertIn('--kunitconfig', output_cmds) self.assertIn('--jobs', output_cmds) self.assertIn('--kernel_args', output_cmds) self.assertIn('--raw_output', output_cmds)
if __name__ == '__main__': unittest.main()