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#!/usr/bin/python3 # SPDX-License-Identifier: GPL-2.0 # # A collection of tests for tools/testing/kunit/kunit.py # # Copyright (C) 2019, Google LLC. # Author: Brendan Higgins <brendanhiggins@google.com> import unittest from unittest import mock import tempfile, shutil # Handling test_tmpdir import os import kunit_config import kunit_parser import kunit_kernel import kunit test_tmpdir = '' def setUpModule(): global test_tmpdir test_tmpdir = tempfile.mkdtemp() def tearDownModule(): shutil.rmtree(test_tmpdir) def get_absolute_path(path): return os.path.join(os.path.dirname(__file__), 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(kunit_config.KconfigEntry('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 = kunit_config.Kconfig() kconfig_path = get_absolute_path( 'test_data/test_read_from_file.kconfig') kconfig.read_from_file(kconfig_path) expected_kconfig = kunit_config.Kconfig() expected_kconfig.add_entry( kunit_config.KconfigEntry('UML', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('MMU', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('TEST', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('EXAMPLE_TEST', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('MK8', 'n')) self.assertEqual(kconfig.entries(), expected_kconfig.entries()) def test_write_to_file(self): kconfig_path = os.path.join(test_tmpdir, '.config') expected_kconfig = kunit_config.Kconfig() expected_kconfig.add_entry( kunit_config.KconfigEntry('UML', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('MMU', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('TEST', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('EXAMPLE_TEST', 'y')) expected_kconfig.add_entry( kunit_config.KconfigEntry('MK8', 'n')) expected_kconfig.write_to_file(kconfig_path) actual_kconfig = kunit_config.Kconfig() actual_kconfig.read_from_file(kconfig_path) self.assertEqual(actual_kconfig.entries(), expected_kconfig.entries()) class KUnitParserTest(unittest.TestCase): def assertContains(self, needle, haystack): for line in haystack: if needle in line: return raise AssertionError('"' + str(needle) + '" not found in "' + str(haystack) + '"!') def test_output_isolated_correctly(self): log_path = get_absolute_path( 'test_data/test_output_isolated_correctly.log') file = open(log_path) result = kunit_parser.isolate_kunit_output(file.readlines()) self.assertContains('TAP version 14\n', 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) file.close() def test_output_with_prefix_isolated_correctly(self): log_path = get_absolute_path( 'test_data/test_pound_sign.log') with open(log_path) as file: result = kunit_parser.isolate_kunit_output(file.readlines()) self.assertContains('TAP version 14\n', 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 = get_absolute_path( 'test_data/test_is_test_passed-all_passed.log') file = open(all_passed_log) result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual( kunit_parser.TestStatus.SUCCESS, result.status) file.close() def test_parse_failed_test_log(self): failed_log = get_absolute_path( 'test_data/test_is_test_passed-failure.log') file = open(failed_log) result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual( kunit_parser.TestStatus.FAILURE, result.status) file.close() def test_no_tests(self): empty_log = get_absolute_path( 'test_data/test_is_test_passed-no_tests_run.log') file = open(empty_log) result = kunit_parser.parse_run_tests( kunit_parser.isolate_kunit_output(file.readlines())) self.assertEqual(0, len(result.suites)) self.assertEqual( kunit_parser.TestStatus.NO_TESTS, result.status) file.close() def test_crashed_test(self): crashed_log = get_absolute_path( 'test_data/test_is_test_passed-crash.log') file = open(crashed_log) result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual( kunit_parser.TestStatus.TEST_CRASHED, result.status) file.close() def test_ignores_prefix_printk_time(self): prefix_log = get_absolute_path( 'test_data/test_config_printk_time.log') with open(prefix_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) def test_ignores_multiple_prefixes(self): prefix_log = get_absolute_path( 'test_data/test_multiple_prefixes.log') with open(prefix_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) def test_prefix_mixed_kernel_output(self): mixed_prefix_log = get_absolute_path( 'test_data/test_interrupted_tap_output.log') with open(mixed_prefix_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) def test_prefix_poundsign(self): pound_log = get_absolute_path('test_data/test_pound_sign.log') with open(pound_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) def test_kernel_panic_end(self): panic_log = get_absolute_path('test_data/test_kernel_panic_interrupt.log') with open(panic_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) def test_pound_no_prefix(self): pound_log = get_absolute_path('test_data/test_pound_no_prefix.log') with open(pound_log) as file: result = kunit_parser.parse_run_tests(file.readlines()) self.assertEqual('kunit-resource-test', result.suites[0].name) class StrContains(str): def __eq__(self, other): return self in other class KUnitMainTest(unittest.TestCase): def setUp(self): path = get_absolute_path('test_data/test_is_test_passed-all_passed.log') file = open(path) all_passed_log = file.readlines() self.print_patch = mock.patch('builtins.print') self.print_mock = self.print_patch.start() self.linux_source_mock = mock.Mock() self.linux_source_mock.build_reconfig = mock.Mock(return_value=True) self.linux_source_mock.build_um_kernel = mock.Mock(return_value=True) self.linux_source_mock.run_kernel = mock.Mock(return_value=all_passed_log) def tearDown(self): self.print_patch.stop() pass def test_config_passes_args_pass(self): kunit.main(['config', '--build_dir=.kunit'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 0 def test_build_passes_args_pass(self): kunit.main(['build'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 0 self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, '.kunit', None) assert self.linux_source_mock.run_kernel.call_count == 0 def test_exec_passes_args_pass(self): kunit.main(['exec'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 0 assert self.linux_source_mock.run_kernel.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='.kunit', timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.')) def test_run_passes_args_pass(self): kunit.main(['run'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( build_dir='.kunit', 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.linux_source_mock) assert type(e.exception) == SystemExit assert 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.linux_source_mock) assert type(e.exception) == SystemExit assert e.exception.code == 1 assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 1 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.linux_source_mock) assert self.linux_source_mock.run_kernel.call_count == 1 for kall in self.print_mock.call_args_list: assert kall != mock.call(StrContains('Testing complete.')) assert kall != 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.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 1 for kall in self.print_mock.call_args_list: assert kall != mock.call(StrContains('Testing complete.')) assert kall != mock.call(StrContains(' 0 tests run')) def test_exec_timeout(self): timeout = 3453 kunit.main(['exec', '--timeout', str(timeout)], self.linux_source_mock) self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='.kunit', 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.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( build_dir='.kunit', 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.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( build_dir=build_dir, 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.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 def test_build_builddir(self): build_dir = '.kunit' kunit.main(['build', '--build_dir', build_dir], self.linux_source_mock) self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, build_dir, None) def test_exec_builddir(self): build_dir = '.kunit' kunit.main(['exec', '--build_dir', build_dir], self.linux_source_mock) self.linux_source_mock.run_kernel.assert_called_once_with(build_dir=build_dir, timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.')) if __name__ == '__main__': unittest.main()
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