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brintos / linux-shallow public Read only

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1#!/usr/bin/env python32# SPDX-License-Identifier: GPL-2.03#4# A collection of tests for tools/testing/kunit/kunit.py5#6# Copyright (C) 2019, Google LLC.7# Author: Brendan Higgins <brendanhiggins@google.com>8 9import unittest10from unittest import mock11 12import tempfile, shutil # Handling test_tmpdir13 14import itertools15import json16import os17import signal18import subprocess19from typing import Iterable20 21import kunit_config22import kunit_parser23import kunit_kernel24import kunit_json25import kunit26 27test_tmpdir = ''28abs_test_data_dir = ''29 30def setUpModule():31	global test_tmpdir, abs_test_data_dir32	test_tmpdir = tempfile.mkdtemp()33	abs_test_data_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), 'test_data'))34 35def tearDownModule():36	shutil.rmtree(test_tmpdir)37 38def test_data_path(path):39	return os.path.join(abs_test_data_dir, path)40 41class KconfigTest(unittest.TestCase):42 43	def test_is_subset_of(self):44		kconfig0 = kunit_config.Kconfig()45		self.assertTrue(kconfig0.is_subset_of(kconfig0))46 47		kconfig1 = kunit_config.Kconfig()48		kconfig1.add_entry('TEST', 'y')49		self.assertTrue(kconfig1.is_subset_of(kconfig1))50		self.assertTrue(kconfig0.is_subset_of(kconfig1))51		self.assertFalse(kconfig1.is_subset_of(kconfig0))52 53	def test_read_from_file(self):54		kconfig_path = test_data_path('test_read_from_file.kconfig')55 56		kconfig = kunit_config.parse_file(kconfig_path)57 58		expected_kconfig = kunit_config.Kconfig()59		expected_kconfig.add_entry('UML', 'y')60		expected_kconfig.add_entry('MMU', 'y')61		expected_kconfig.add_entry('TEST', 'y')62		expected_kconfig.add_entry('EXAMPLE_TEST', 'y')63		expected_kconfig.add_entry('MK8', 'n')64 65		self.assertEqual(kconfig, expected_kconfig)66 67	def test_write_to_file(self):68		kconfig_path = os.path.join(test_tmpdir, '.config')69 70		expected_kconfig = kunit_config.Kconfig()71		expected_kconfig.add_entry('UML', 'y')72		expected_kconfig.add_entry('MMU', 'y')73		expected_kconfig.add_entry('TEST', 'y')74		expected_kconfig.add_entry('EXAMPLE_TEST', 'y')75		expected_kconfig.add_entry('MK8', 'n')76 77		expected_kconfig.write_to_file(kconfig_path)78 79		actual_kconfig = kunit_config.parse_file(kconfig_path)80		self.assertEqual(actual_kconfig, expected_kconfig)81 82class KUnitParserTest(unittest.TestCase):83	def setUp(self):84		self.print_mock = mock.patch('kunit_printer.Printer.print').start()85		self.addCleanup(mock.patch.stopall)86 87	def noPrintCallContains(self, substr: str):88		for call in self.print_mock.mock_calls:89			self.assertNotIn(substr, call.args[0])90 91	def assertContains(self, needle: str, haystack: kunit_parser.LineStream):92		# Clone the iterator so we can print the contents on failure.93		copy, backup = itertools.tee(haystack)94		for line in copy:95			if needle in line:96				return97		raise AssertionError(f'"{needle}" not found in {list(backup)}!')98 99	def test_output_isolated_correctly(self):100		log_path = test_data_path('test_output_isolated_correctly.log')101		with open(log_path) as file:102			result = kunit_parser.extract_tap_lines(file.readlines())103		self.assertContains('TAP version 14', result)104		self.assertContains('# Subtest: example', result)105		self.assertContains('1..2', result)106		self.assertContains('ok 1 - example_simple_test', result)107		self.assertContains('ok 2 - example_mock_test', result)108		self.assertContains('ok 1 - example', result)109 110	def test_output_with_prefix_isolated_correctly(self):111		log_path = test_data_path('test_pound_sign.log')112		with open(log_path) as file:113			result = kunit_parser.extract_tap_lines(file.readlines())114		self.assertContains('TAP version 14', result)115		self.assertContains('# Subtest: kunit-resource-test', result)116		self.assertContains('1..5', result)117		self.assertContains('ok 1 - kunit_resource_test_init_resources', result)118		self.assertContains('ok 2 - kunit_resource_test_alloc_resource', result)119		self.assertContains('ok 3 - kunit_resource_test_destroy_resource', result)120		self.assertContains('foo bar 	#', result)121		self.assertContains('ok 4 - kunit_resource_test_cleanup_resources', result)122		self.assertContains('ok 5 - kunit_resource_test_proper_free_ordering', result)123		self.assertContains('ok 1 - kunit-resource-test', result)124		self.assertContains('foo bar 	# non-kunit output', result)125		self.assertContains('# Subtest: kunit-try-catch-test', result)126		self.assertContains('1..2', result)127		self.assertContains('ok 1 - kunit_test_try_catch_successful_try_no_catch',128				    result)129		self.assertContains('ok 2 - kunit_test_try_catch_unsuccessful_try_does_catch',130				    result)131		self.assertContains('ok 2 - kunit-try-catch-test', result)132		self.assertContains('# Subtest: string-stream-test', result)133		self.assertContains('1..3', result)134		self.assertContains('ok 1 - string_stream_test_empty_on_creation', result)135		self.assertContains('ok 2 - string_stream_test_not_empty_after_add', result)136		self.assertContains('ok 3 - string_stream_test_get_string', result)137		self.assertContains('ok 3 - string-stream-test', result)138 139	def test_parse_successful_test_log(self):140		all_passed_log = test_data_path('test_is_test_passed-all_passed.log')141		with open(all_passed_log) as file:142			result = kunit_parser.parse_run_tests(file.readlines())143		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)144		self.assertEqual(result.counts.errors, 0)145 146	def test_parse_successful_nested_tests_log(self):147		all_passed_log = test_data_path('test_is_test_passed-all_passed_nested.log')148		with open(all_passed_log) as file:149			result = kunit_parser.parse_run_tests(file.readlines())150		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)151		self.assertEqual(result.counts.errors, 0)152 153	def test_kselftest_nested(self):154		kselftest_log = test_data_path('test_is_test_passed-kselftest.log')155		with open(kselftest_log) as file:156			result = kunit_parser.parse_run_tests(file.readlines())157		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)158		self.assertEqual(result.counts.errors, 0)159 160	def test_parse_failed_test_log(self):161		failed_log = test_data_path('test_is_test_passed-failure.log')162		with open(failed_log) as file:163			result = kunit_parser.parse_run_tests(file.readlines())164		self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)165		self.assertEqual(result.counts.errors, 0)166 167	def test_no_header(self):168		empty_log = test_data_path('test_is_test_passed-no_tests_run_no_header.log')169		with open(empty_log) as file:170			result = kunit_parser.parse_run_tests(171				kunit_parser.extract_tap_lines(file.readlines()))172		self.assertEqual(0, len(result.subtests))173		self.assertEqual(kunit_parser.TestStatus.FAILURE_TO_PARSE_TESTS, result.status)174		self.assertEqual(result.counts.errors, 1)175 176	def test_missing_test_plan(self):177		missing_plan_log = test_data_path('test_is_test_passed-'178			'missing_plan.log')179		with open(missing_plan_log) as file:180			result = kunit_parser.parse_run_tests(181				kunit_parser.extract_tap_lines(182				file.readlines()))183		# A missing test plan is not an error.184		self.assertEqual(result.counts, kunit_parser.TestCounts(passed=10, errors=0))185		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)186 187	def test_no_tests(self):188		header_log = test_data_path('test_is_test_passed-no_tests_run_with_header.log')189		with open(header_log) as file:190			result = kunit_parser.parse_run_tests(191				kunit_parser.extract_tap_lines(file.readlines()))192		self.assertEqual(0, len(result.subtests))193		self.assertEqual(kunit_parser.TestStatus.NO_TESTS, result.status)194		self.assertEqual(result.counts.errors, 1)195 196	def test_no_tests_no_plan(self):197		no_plan_log = test_data_path('test_is_test_passed-no_tests_no_plan.log')198		with open(no_plan_log) as file:199			result = kunit_parser.parse_run_tests(200				kunit_parser.extract_tap_lines(file.readlines()))201		self.assertEqual(0, len(result.subtests[0].subtests[0].subtests))202		self.assertEqual(203			kunit_parser.TestStatus.NO_TESTS,204			result.subtests[0].subtests[0].status)205		self.assertEqual(result.counts, kunit_parser.TestCounts(passed=1, errors=1))206 207 208	def test_no_kunit_output(self):209		crash_log = test_data_path('test_insufficient_memory.log')210		print_mock = mock.patch('kunit_printer.Printer.print').start()211		with open(crash_log) as file:212			result = kunit_parser.parse_run_tests(213				kunit_parser.extract_tap_lines(file.readlines()))214		print_mock.assert_any_call(StrContains('Could not find any KTAP output.'))215		print_mock.stop()216		self.assertEqual(0, len(result.subtests))217		self.assertEqual(result.counts.errors, 1)218 219	def test_skipped_test(self):220		skipped_log = test_data_path('test_skip_tests.log')221		with open(skipped_log) as file:222			result = kunit_parser.parse_run_tests(file.readlines())223 224		# A skipped test does not fail the whole suite.225		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)226		self.assertEqual(result.counts, kunit_parser.TestCounts(passed=4, skipped=1))227 228	def test_skipped_all_tests(self):229		skipped_log = test_data_path('test_skip_all_tests.log')230		with open(skipped_log) as file:231			result = kunit_parser.parse_run_tests(file.readlines())232 233		self.assertEqual(kunit_parser.TestStatus.SKIPPED, result.status)234		self.assertEqual(result.counts, kunit_parser.TestCounts(skipped=5))235 236	def test_ignores_hyphen(self):237		hyphen_log = test_data_path('test_strip_hyphen.log')238		with open(hyphen_log) as file:239			result = kunit_parser.parse_run_tests(file.readlines())240 241		# A skipped test does not fail the whole suite.242		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)243		self.assertEqual(244			"sysctl_test",245			result.subtests[0].name)246		self.assertEqual(247			"example",248			result.subtests[1].name)249 250	def test_ignores_prefix_printk_time(self):251		prefix_log = test_data_path('test_config_printk_time.log')252		with open(prefix_log) as file:253			result = kunit_parser.parse_run_tests(file.readlines())254		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)255		self.assertEqual('kunit-resource-test', result.subtests[0].name)256		self.assertEqual(result.counts.errors, 0)257 258	def test_ignores_multiple_prefixes(self):259		prefix_log = test_data_path('test_multiple_prefixes.log')260		with open(prefix_log) as file:261			result = kunit_parser.parse_run_tests(file.readlines())262		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)263		self.assertEqual('kunit-resource-test', result.subtests[0].name)264		self.assertEqual(result.counts.errors, 0)265 266	def test_prefix_mixed_kernel_output(self):267		mixed_prefix_log = test_data_path('test_interrupted_tap_output.log')268		with open(mixed_prefix_log) as file:269			result = kunit_parser.parse_run_tests(file.readlines())270		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)271		self.assertEqual('kunit-resource-test', result.subtests[0].name)272		self.assertEqual(result.counts.errors, 0)273 274	def test_prefix_poundsign(self):275		pound_log = test_data_path('test_pound_sign.log')276		with open(pound_log) as file:277			result = kunit_parser.parse_run_tests(file.readlines())278		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)279		self.assertEqual('kunit-resource-test', result.subtests[0].name)280		self.assertEqual(result.counts.errors, 0)281 282	def test_kernel_panic_end(self):283		panic_log = test_data_path('test_kernel_panic_interrupt.log')284		with open(panic_log) as file:285			result = kunit_parser.parse_run_tests(file.readlines())286		self.assertEqual(kunit_parser.TestStatus.TEST_CRASHED, result.status)287		self.assertEqual('kunit-resource-test', result.subtests[0].name)288		self.assertGreaterEqual(result.counts.errors, 1)289 290	def test_pound_no_prefix(self):291		pound_log = test_data_path('test_pound_no_prefix.log')292		with open(pound_log) as file:293			result = kunit_parser.parse_run_tests(file.readlines())294		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)295		self.assertEqual('kunit-resource-test', result.subtests[0].name)296		self.assertEqual(result.counts.errors, 0)297 298	def test_summarize_failures(self):299		output = """300		KTAP version 1301		1..2302			# Subtest: all_failed_suite303			1..2304			not ok 1 - test1305			not ok 2 - test2306		not ok 1 - all_failed_suite307			# Subtest: some_failed_suite308			1..2309			ok 1 - test1310			not ok 2 - test2311		not ok 1 - some_failed_suite312		"""313		result = kunit_parser.parse_run_tests(output.splitlines())314		self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)315 316		self.assertEqual(kunit_parser._summarize_failed_tests(result),317			'Failures: all_failed_suite, some_failed_suite.test2')318 319	def test_ktap_format(self):320		ktap_log = test_data_path('test_parse_ktap_output.log')321		with open(ktap_log) as file:322			result = kunit_parser.parse_run_tests(file.readlines())323		self.assertEqual(result.counts, kunit_parser.TestCounts(passed=3))324		self.assertEqual('suite', result.subtests[0].name)325		self.assertEqual('case_1', result.subtests[0].subtests[0].name)326		self.assertEqual('case_2', result.subtests[0].subtests[1].name)327 328	def test_parse_subtest_header(self):329		ktap_log = test_data_path('test_parse_subtest_header.log')330		with open(ktap_log) as file:331			kunit_parser.parse_run_tests(file.readlines())332		self.print_mock.assert_any_call(StrContains('suite (1 subtest)'))333 334	def test_parse_attributes(self):335		ktap_log = test_data_path('test_parse_attributes.log')336		with open(ktap_log) as file:337			result = kunit_parser.parse_run_tests(file.readlines())338 339		# Test should pass with no errors340		self.assertEqual(result.counts, kunit_parser.TestCounts(passed=1, errors=0))341		self.assertEqual(kunit_parser.TestStatus.SUCCESS, result.status)342 343		# Ensure suite header is parsed correctly344		self.print_mock.assert_any_call(StrContains('suite (1 subtest)'))345 346		# Ensure attributes in correct test log347		self.assertContains('# module: example', result.subtests[0].log)348		self.assertContains('# test.speed: slow', result.subtests[0].subtests[0].log)349 350	def test_show_test_output_on_failure(self):351		output = """352		KTAP version 1353		1..1354		  Test output.355		    Indented more.356		not ok 1 test1357		"""358		result = kunit_parser.parse_run_tests(output.splitlines())359		self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)360 361		self.print_mock.assert_any_call(StrContains('Test output.'))362		self.print_mock.assert_any_call(StrContains('  Indented more.'))363		self.noPrintCallContains('not ok 1 test1')364 365def line_stream_from_strs(strs: Iterable[str]) -> kunit_parser.LineStream:366	return kunit_parser.LineStream(enumerate(strs, start=1))367 368class LineStreamTest(unittest.TestCase):369 370	def test_basic(self):371		stream = line_stream_from_strs(['hello', 'world'])372 373		self.assertTrue(stream, msg='Should be more input')374		self.assertEqual(stream.line_number(), 1)375		self.assertEqual(stream.peek(), 'hello')376		self.assertEqual(stream.pop(), 'hello')377 378		self.assertTrue(stream, msg='Should be more input')379		self.assertEqual(stream.line_number(), 2)380		self.assertEqual(stream.peek(), 'world')381		self.assertEqual(stream.pop(), 'world')382 383		self.assertFalse(stream, msg='Should be no more input')384		with self.assertRaisesRegex(ValueError, 'LineStream: going past EOF'):385			stream.pop()386 387	def test_is_lazy(self):388		called_times = 0389		def generator():390			nonlocal called_times391			for _ in range(1,5):392				called_times += 1393				yield called_times, str(called_times)394 395		stream = kunit_parser.LineStream(generator())396		self.assertEqual(called_times, 0)397 398		self.assertEqual(stream.pop(), '1')399		self.assertEqual(called_times, 1)400 401		self.assertEqual(stream.pop(), '2')402		self.assertEqual(called_times, 2)403 404class LinuxSourceTreeTest(unittest.TestCase):405 406	def setUp(self):407		mock.patch.object(signal, 'signal').start()408		self.addCleanup(mock.patch.stopall)409 410	def test_invalid_kunitconfig(self):411		with self.assertRaisesRegex(kunit_kernel.ConfigError, 'nonexistent.* does not exist'):412			kunit_kernel.LinuxSourceTree('', kunitconfig_paths=['/nonexistent_file'])413 414	def test_valid_kunitconfig(self):415		with tempfile.NamedTemporaryFile('wt') as kunitconfig:416			kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[kunitconfig.name])417 418	def test_dir_kunitconfig(self):419		with tempfile.TemporaryDirectory('') as dir:420			with open(os.path.join(dir, '.kunitconfig'), 'w'):421				pass422			kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir])423 424	def test_multiple_kunitconfig(self):425		want_kconfig = kunit_config.Kconfig()426		want_kconfig.add_entry('KUNIT', 'y')427		want_kconfig.add_entry('KUNIT_TEST', 'm')428 429		with tempfile.TemporaryDirectory('') as dir:430			other = os.path.join(dir, 'otherkunitconfig')431			with open(os.path.join(dir, '.kunitconfig'), 'w') as f:432				f.write('CONFIG_KUNIT=y')433			with open(other, 'w') as f:434				f.write('CONFIG_KUNIT_TEST=m')435				pass436 437			tree = kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir, other])438			self.assertTrue(want_kconfig.is_subset_of(tree._kconfig), msg=tree._kconfig)439 440 441	def test_multiple_kunitconfig_invalid(self):442		with tempfile.TemporaryDirectory('') as dir:443			other = os.path.join(dir, 'otherkunitconfig')444			with open(os.path.join(dir, '.kunitconfig'), 'w') as f:445				f.write('CONFIG_KUNIT=y')446			with open(other, 'w') as f:447				f.write('CONFIG_KUNIT=m')448 449			with self.assertRaisesRegex(kunit_kernel.ConfigError, '(?s)Multiple values.*CONFIG_KUNIT'):450				kunit_kernel.LinuxSourceTree('', kunitconfig_paths=[dir, other])451 452 453	def test_kconfig_add(self):454		want_kconfig = kunit_config.Kconfig()455		want_kconfig.add_entry('NOT_REAL', 'y')456 457		tree = kunit_kernel.LinuxSourceTree('', kconfig_add=['CONFIG_NOT_REAL=y'])458		self.assertTrue(want_kconfig.is_subset_of(tree._kconfig), msg=tree._kconfig)459 460	def test_invalid_arch(self):461		with self.assertRaisesRegex(kunit_kernel.ConfigError, 'not a valid arch, options are.*x86_64'):462			kunit_kernel.LinuxSourceTree('', arch='invalid')463 464	def test_run_kernel_hits_exception(self):465		def fake_start(unused_args, unused_build_dir):466			return subprocess.Popen(['echo "hi\nbye"'], shell=True, text=True, stdout=subprocess.PIPE)467 468		with tempfile.TemporaryDirectory('') as build_dir:469			tree = kunit_kernel.LinuxSourceTree(build_dir)470			mock.patch.object(tree._ops, 'start', side_effect=fake_start).start()471 472			with self.assertRaises(ValueError):473				for line in tree.run_kernel(build_dir=build_dir):474					self.assertEqual(line, 'hi\n')475					raise ValueError('uh oh, did not read all output')476 477			with open(kunit_kernel.get_outfile_path(build_dir), 'rt') as outfile:478				self.assertEqual(outfile.read(), 'hi\nbye\n', msg='Missing some output')479 480	def test_build_reconfig_no_config(self):481		with tempfile.TemporaryDirectory('') as build_dir:482			with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:483				f.write('CONFIG_KUNIT=y')484 485			tree = kunit_kernel.LinuxSourceTree(build_dir)486			# Stub out the source tree operations, so we don't have487			# the defaults for any given architecture get in the488			# way.489			tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)490			mock_build_config = mock.patch.object(tree, 'build_config').start()491 492			# Should generate the .config493			self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))494			mock_build_config.assert_called_once_with(build_dir, [])495 496	def test_build_reconfig_existing_config(self):497		with tempfile.TemporaryDirectory('') as build_dir:498			# Existing .config is a superset, should not touch it499			with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:500				f.write('CONFIG_KUNIT=y')501			with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:502				f.write('CONFIG_KUNIT=y')503			with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:504				f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')505 506			tree = kunit_kernel.LinuxSourceTree(build_dir)507			# Stub out the source tree operations, so we don't have508			# the defaults for any given architecture get in the509			# way.510			tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)511			mock_build_config = mock.patch.object(tree, 'build_config').start()512 513			self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))514			self.assertEqual(mock_build_config.call_count, 0)515 516	def test_build_reconfig_remove_option(self):517		with tempfile.TemporaryDirectory('') as build_dir:518			# We removed CONFIG_KUNIT_TEST=y from our .kunitconfig...519			with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:520				f.write('CONFIG_KUNIT=y')521			with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:522				f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')523			with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:524				f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')525 526			tree = kunit_kernel.LinuxSourceTree(build_dir)527			# Stub out the source tree operations, so we don't have528			# the defaults for any given architecture get in the529			# way.530			tree._ops = kunit_kernel.LinuxSourceTreeOperations('none', None)531			mock_build_config = mock.patch.object(tree, 'build_config').start()532 533			# ... so we should trigger a call to build_config()534			self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))535			mock_build_config.assert_called_once_with(build_dir, [])536 537	# TODO: add more test cases.538 539 540class KUnitJsonTest(unittest.TestCase):541	def setUp(self):542		self.print_mock = mock.patch('kunit_printer.Printer.print').start()543		self.addCleanup(mock.patch.stopall)544 545	def _json_for(self, log_file):546		with open(test_data_path(log_file)) as file:547			test_result = kunit_parser.parse_run_tests(file)548			json_obj = kunit_json.get_json_result(549				test=test_result,550				metadata=kunit_json.Metadata())551		return json.loads(json_obj)552 553	def test_failed_test_json(self):554		result = self._json_for('test_is_test_passed-failure.log')555		self.assertEqual(556			{'name': 'example_simple_test', 'status': 'FAIL'},557			result["sub_groups"][1]["test_cases"][0])558 559	def test_crashed_test_json(self):560		result = self._json_for('test_kernel_panic_interrupt.log')561		self.assertEqual(562			{'name': '', 'status': 'ERROR'},563			result["sub_groups"][2]["test_cases"][1])564 565	def test_skipped_test_json(self):566		result = self._json_for('test_skip_tests.log')567		self.assertEqual(568			{'name': 'example_skip_test', 'status': 'SKIP'},569			result["sub_groups"][1]["test_cases"][1])570 571	def test_no_tests_json(self):572		result = self._json_for('test_is_test_passed-no_tests_run_with_header.log')573		self.assertEqual(0, len(result['sub_groups']))574 575	def test_nested_json(self):576		result = self._json_for('test_is_test_passed-all_passed_nested.log')577		self.assertEqual(578			{'name': 'example_simple_test', 'status': 'PASS'},579			result["sub_groups"][0]["sub_groups"][0]["test_cases"][0])580 581class StrContains(str):582	def __eq__(self, other):583		return self in other584 585class KUnitMainTest(unittest.TestCase):586	def setUp(self):587		path = test_data_path('test_is_test_passed-all_passed.log')588		with open(path) as file:589			all_passed_log = file.readlines()590 591		self.print_mock = mock.patch('kunit_printer.Printer.print').start()592		self.addCleanup(mock.patch.stopall)593 594		self.mock_linux_init = mock.patch.object(kunit_kernel, 'LinuxSourceTree').start()595		self.linux_source_mock = self.mock_linux_init.return_value596		self.linux_source_mock.build_reconfig.return_value = True597		self.linux_source_mock.build_kernel.return_value = True598		self.linux_source_mock.run_kernel.return_value = all_passed_log599 600	def test_config_passes_args_pass(self):601		kunit.main(['config', '--build_dir=.kunit'])602		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)603		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)604 605	def test_build_passes_args_pass(self):606		kunit.main(['build'])607		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)608		self.linux_source_mock.build_kernel.assert_called_once_with(kunit.get_default_jobs(), '.kunit', None)609		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)610 611	def test_exec_passes_args_pass(self):612		kunit.main(['exec'])613		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 0)614		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)615		self.linux_source_mock.run_kernel.assert_called_once_with(616			args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300)617		self.print_mock.assert_any_call(StrContains('Testing complete.'))618 619	def test_run_passes_args_pass(self):620		kunit.main(['run'])621		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)622		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)623		self.linux_source_mock.run_kernel.assert_called_once_with(624			args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300)625		self.print_mock.assert_any_call(StrContains('Testing complete.'))626 627	def test_exec_passes_args_fail(self):628		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])629		with self.assertRaises(SystemExit) as e:630			kunit.main(['exec'])631		self.assertEqual(e.exception.code, 1)632 633	def test_run_passes_args_fail(self):634		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])635		with self.assertRaises(SystemExit) as e:636			kunit.main(['run'])637		self.assertEqual(e.exception.code, 1)638		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)639		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)640		self.print_mock.assert_any_call(StrContains('Could not find any KTAP output.'))641 642	def test_exec_no_tests(self):643		self.linux_source_mock.run_kernel = mock.Mock(return_value=['TAP version 14', '1..0'])644		with self.assertRaises(SystemExit) as e:645			kunit.main(['run'])646		self.assertEqual(e.exception.code, 1)647		self.linux_source_mock.run_kernel.assert_called_once_with(648			args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300)649		self.print_mock.assert_any_call(StrContains(' 0 tests run!'))650 651	def test_exec_raw_output(self):652		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])653		kunit.main(['exec', '--raw_output'])654		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)655		for call in self.print_mock.call_args_list:656			self.assertNotEqual(call, mock.call(StrContains('Testing complete.')))657			self.assertNotEqual(call, mock.call(StrContains(' 0 tests run!')))658 659	def test_run_raw_output(self):660		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])661		kunit.main(['run', '--raw_output'])662		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)663		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)664		for call in self.print_mock.call_args_list:665			self.assertNotEqual(call, mock.call(StrContains('Testing complete.')))666			self.assertNotEqual(call, mock.call(StrContains(' 0 tests run!')))667 668	def test_run_raw_output_kunit(self):669		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])670		kunit.main(['run', '--raw_output=kunit'])671		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)672		self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)673		for call in self.print_mock.call_args_list:674			self.assertNotEqual(call, mock.call(StrContains('Testing complete.')))675			self.assertNotEqual(call, mock.call(StrContains(' 0 tests run')))676 677	def test_run_raw_output_invalid(self):678		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])679		with self.assertRaises(SystemExit) as e:680			kunit.main(['run', '--raw_output=invalid'])681		self.assertNotEqual(e.exception.code, 0)682 683	def test_run_raw_output_does_not_take_positional_args(self):684		# --raw_output is a string flag, but we don't want it to consume685		# any positional arguments, only ones after an '='686		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])687		kunit.main(['run', '--raw_output', 'filter_glob'])688		self.linux_source_mock.run_kernel.assert_called_once_with(689			args=None, build_dir='.kunit', filter_glob='filter_glob', filter='', filter_action=None, timeout=300)690 691	def test_exec_timeout(self):692		timeout = 3453693		kunit.main(['exec', '--timeout', str(timeout)])694		self.linux_source_mock.run_kernel.assert_called_once_with(695			args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=timeout)696		self.print_mock.assert_any_call(StrContains('Testing complete.'))697 698	def test_run_timeout(self):699		timeout = 3453700		kunit.main(['run', '--timeout', str(timeout)])701		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)702		self.linux_source_mock.run_kernel.assert_called_once_with(703			args=None, build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=timeout)704		self.print_mock.assert_any_call(StrContains('Testing complete.'))705 706	def test_run_builddir(self):707		build_dir = '.kunit'708		kunit.main(['run', '--build_dir=.kunit'])709		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)710		self.linux_source_mock.run_kernel.assert_called_once_with(711			args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300)712		self.print_mock.assert_any_call(StrContains('Testing complete.'))713 714	def test_config_builddir(self):715		build_dir = '.kunit'716		kunit.main(['config', '--build_dir', build_dir])717		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)718 719	def test_build_builddir(self):720		build_dir = '.kunit'721		jobs = kunit.get_default_jobs()722		kunit.main(['build', '--build_dir', build_dir])723		self.linux_source_mock.build_kernel.assert_called_once_with(jobs, build_dir, None)724 725	def test_exec_builddir(self):726		build_dir = '.kunit'727		kunit.main(['exec', '--build_dir', build_dir])728		self.linux_source_mock.run_kernel.assert_called_once_with(729			args=None, build_dir=build_dir, filter_glob='', filter='', filter_action=None, timeout=300)730		self.print_mock.assert_any_call(StrContains('Testing complete.'))731 732	def test_run_kunitconfig(self):733		kunit.main(['run', '--kunitconfig=mykunitconfig'])734		# Just verify that we parsed and initialized it correctly here.735		self.mock_linux_init.assert_called_once_with('.kunit',736						kunitconfig_paths=['mykunitconfig'],737						kconfig_add=None,738						arch='um',739						cross_compile=None,740						qemu_config_path=None,741						extra_qemu_args=[])742 743	def test_config_kunitconfig(self):744		kunit.main(['config', '--kunitconfig=mykunitconfig'])745		# Just verify that we parsed and initialized it correctly here.746		self.mock_linux_init.assert_called_once_with('.kunit',747						kunitconfig_paths=['mykunitconfig'],748						kconfig_add=None,749						arch='um',750						cross_compile=None,751						qemu_config_path=None,752						extra_qemu_args=[])753 754	def test_config_alltests(self):755		kunit.main(['config', '--kunitconfig=mykunitconfig', '--alltests'])756		# Just verify that we parsed and initialized it correctly here.757		self.mock_linux_init.assert_called_once_with('.kunit',758						kunitconfig_paths=[kunit_kernel.ALL_TESTS_CONFIG_PATH, 'mykunitconfig'],759						kconfig_add=None,760						arch='um',761						cross_compile=None,762						qemu_config_path=None,763						extra_qemu_args=[])764 765 766	@mock.patch.object(kunit_kernel, 'LinuxSourceTree')767	def test_run_multiple_kunitconfig(self, mock_linux_init):768		mock_linux_init.return_value = self.linux_source_mock769		kunit.main(['run', '--kunitconfig=mykunitconfig', '--kunitconfig=other'])770		# Just verify that we parsed and initialized it correctly here.771		mock_linux_init.assert_called_once_with('.kunit',772							kunitconfig_paths=['mykunitconfig', 'other'],773							kconfig_add=None,774							arch='um',775							cross_compile=None,776							qemu_config_path=None,777							extra_qemu_args=[])778 779	def test_run_kconfig_add(self):780		kunit.main(['run', '--kconfig_add=CONFIG_KASAN=y', '--kconfig_add=CONFIG_KCSAN=y'])781		# Just verify that we parsed and initialized it correctly here.782		self.mock_linux_init.assert_called_once_with('.kunit',783						kunitconfig_paths=[],784						kconfig_add=['CONFIG_KASAN=y', 'CONFIG_KCSAN=y'],785						arch='um',786						cross_compile=None,787						qemu_config_path=None,788						extra_qemu_args=[])789 790	def test_run_qemu_args(self):791		kunit.main(['run', '--arch=x86_64', '--qemu_args', '-m 2048'])792		# Just verify that we parsed and initialized it correctly here.793		self.mock_linux_init.assert_called_once_with('.kunit',794						kunitconfig_paths=[],795						kconfig_add=None,796						arch='x86_64',797						cross_compile=None,798						qemu_config_path=None,799						extra_qemu_args=['-m', '2048'])800 801	def test_run_kernel_args(self):802		kunit.main(['run', '--kernel_args=a=1', '--kernel_args=b=2'])803		self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)804		self.linux_source_mock.run_kernel.assert_called_once_with(805		      args=['a=1','b=2'], build_dir='.kunit', filter_glob='', filter='', filter_action=None, timeout=300)806		self.print_mock.assert_any_call(StrContains('Testing complete.'))807 808	def test_list_tests(self):809		want = ['suite.test1', 'suite.test2', 'suite2.test1']810		self.linux_source_mock.run_kernel.return_value = ['TAP version 14', 'init: random output'] + want811 812		got = kunit._list_tests(self.linux_source_mock,813				     kunit.KunitExecRequest(None, None, '.kunit', 300, 'suite*', '', None, None, 'suite', False, False))814		self.assertEqual(got, want)815		# Should respect the user's filter glob when listing tests.816		self.linux_source_mock.run_kernel.assert_called_once_with(817			args=['kunit.action=list'], build_dir='.kunit', filter_glob='suite*', filter='', filter_action=None, timeout=300)818 819	@mock.patch.object(kunit, '_list_tests')820	def test_run_isolated_by_suite(self, mock_tests):821		mock_tests.return_value = ['suite.test1', 'suite.test2', 'suite2.test1']822		kunit.main(['exec', '--run_isolated=suite', 'suite*.test*'])823 824		# Should respect the user's filter glob when listing tests.825		mock_tests.assert_called_once_with(mock.ANY,826				     kunit.KunitExecRequest(None, None, '.kunit', 300, 'suite*.test*', '', None, None, 'suite', False, False))827		self.linux_source_mock.run_kernel.assert_has_calls([828			mock.call(args=None, build_dir='.kunit', filter_glob='suite.test*', filter='', filter_action=None, timeout=300),829			mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test*', filter='', filter_action=None, timeout=300),830		])831 832	@mock.patch.object(kunit, '_list_tests')833	def test_run_isolated_by_test(self, mock_tests):834		mock_tests.return_value = ['suite.test1', 'suite.test2', 'suite2.test1']835		kunit.main(['exec', '--run_isolated=test', 'suite*'])836 837		# Should respect the user's filter glob when listing tests.838		mock_tests.assert_called_once_with(mock.ANY,839				     kunit.KunitExecRequest(None, None, '.kunit', 300, 'suite*', '', None, None, 'test', False, False))840		self.linux_source_mock.run_kernel.assert_has_calls([841			mock.call(args=None, build_dir='.kunit', filter_glob='suite.test1', filter='', filter_action=None, timeout=300),842			mock.call(args=None, build_dir='.kunit', filter_glob='suite.test2', filter='', filter_action=None, timeout=300),843			mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test1', filter='', filter_action=None, timeout=300),844		])845 846if __name__ == '__main__':847	unittest.main()848