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4c2911f1e1
linux/tools/testing/kunit/kunit_tool_test.py
Daniel Latypov 4c2911f1e1 kunit: tool: reconfigure when the used kunitconfig changes 
Problem: currently, if you remove something from your kunitconfig,
kunit.py will not regenerate the .config file.
The same thing happens if you did --kunitconfig_add=CONFIG_KASAN=y [1]
and then ran again without it. Your new run will still have KASAN.

The reason is that kunit.py won't regenerate the .config file if it's a
superset of the kunitconfig. This speeds it up a bit for iterating.

This patch adds an additional check that forces kunit.py to regenerate
the .config file if the current kunitconfig doesn't match the previous
one.

What this means:
* deleting entries from .kunitconfig works as one would expect
* dropping  a --kunitconfig_add also triggers a rebuild
* you can still edit .config directly to turn on new options

We implement this by creating a `last_used_kunitconfig` file in the
build directory (so .kunit, by default) after we generate the .config.
When comparing the kconfigs, we compare python sets, so duplicates and
permutations don't trip us up.

The majority of this patch is adding unit tests for the existing logic
and for the new case where `last_used_kunitconfig` differs.

[1] https://lore.kernel.org/linux-kselftest/20211106013058.2621799-2-dlatypov@google.com/

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-12-13 13:59:03 -07:00

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#!/usr/bin/env 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 itertools
import json
import os
import signal
import subprocess
from typing import Iterable
import kunit_config
import kunit_parser
import kunit_kernel
import kunit_json
import kunit
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(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_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(
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.parse_file(kconfig_path)
self.assertEqual(actual_kconfig.entries(),
expected_kconfig.entries())
class KUnitParserTest(unittest.TestCase):
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
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())
self.assertEqual(
kunit_parser.TestStatus.FAILURE,
result.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()))
self.assertEqual(0, len(result.test.subtests))
self.assertEqual(
kunit_parser.TestStatus.FAILURE_TO_PARSE_TESTS,
result.status)
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()))
# A missing test plan is not an error.
self.assertEqual(0, result.test.counts.errors)
# All tests should be accounted for.
self.assertEqual(10, result.test.counts.total())
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()))
self.assertEqual(0, len(result.test.subtests))
self.assertEqual(
kunit_parser.TestStatus.NO_TESTS,
result.status)
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()))
self.assertEqual(0, len(result.test.subtests[0].subtests[0].subtests))
self.assertEqual(
kunit_parser.TestStatus.NO_TESTS,
result.test.subtests[0].subtests[0].status)
self.assertEqual(1, result.test.counts.errors)
def test_no_kunit_output(self):
crash_log = test_data_path('test_insufficient_memory.log')
print_mock = mock.patch('builtins.print').start()
with open(crash_log) as file:
result = kunit_parser.parse_run_tests(
kunit_parser.extract_tap_lines(file.readlines()))
print_mock.assert_any_call(StrContains('invalid KTAP input!'))
print_mock.stop()
self.assertEqual(0, len(result.test.subtests))
def test_crashed_test(self):
crashed_log = test_data_path('test_is_test_passed-crash.log')
with open(crashed_log) as file:
result = kunit_parser.parse_run_tests(
file.readlines())
self.assertEqual(
kunit_parser.TestStatus.TEST_CRASHED,
result.status)
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())
# A skipped test does not fail the whole suite.
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
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())
self.assertEqual(
kunit_parser.TestStatus.SKIPPED,
result.status)
def test_ignores_hyphen(self):
hyphen_log = test_data_path('test_strip_hyphen.log')
file = open(hyphen_log)
result = kunit_parser.parse_run_tests(file.readlines())
# A skipped test does not fail the whole suite.
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual(
"sysctl_test",
result.test.subtests[0].name)
self.assertEqual(
"example",
result.test.subtests[1].name)
file.close()
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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())
self.assertEqual(
kunit_parser.TestStatus.TEST_CRASHED,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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())
self.assertEqual(
kunit_parser.TestStatus.SUCCESS,
result.status)
self.assertEqual('kunit-resource-test', result.test.subtests[0].name)
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 i 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_path='/nonexistent_file')
def test_valid_kunitconfig(self):
with tempfile.NamedTemporaryFile('wt') as kunitconfig:
kunit_kernel.LinuxSourceTree('', kunitconfig_path=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_path=dir)
def test_kconfig_add(self):
tree = kunit_kernel.LinuxSourceTree('', kconfig_add=['CONFIG_NOT_REAL=y'])
self.assertIn(kunit_config.KconfigEntry('NOT_REAL', 'y'), tree._kconfig.entries())
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, load_config=False)
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)
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)
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)
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 _json_for(self, log_file):
with open(test_data_path(log_file)) as file:
test_result = kunit_parser.parse_run_tests(file)
json_obj = kunit_json.get_json_result(
test_result=test_result,
def_config='kunit_defconfig',
build_dir=None,
json_path='stdout')
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_is_test_passed-crash.log')
self.assertEqual(
{'name': 'example_simple_test', 'status': 'ERROR'},
result["sub_groups"][1]["test_cases"][0])
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 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('builtins.print').start()
self.addCleanup(mock.patch.stopall)
self.linux_source_mock = mock.Mock()
self.linux_source_mock.build_reconfig = mock.Mock(return_value=True)
self.linux_source_mock.build_kernel = mock.Mock(return_value=True)
self.linux_source_mock.run_kernel = mock.Mock(return_value=all_passed_log)
def test_config_passes_args_pass(self):
kunit.main(['config', '--build_dir=.kunit'], self.linux_source_mock)
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.linux_source_mock)
self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 0)
self.linux_source_mock.build_kernel.assert_called_once_with(False, 8, '.kunit', None)
self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)
def test_exec_passes_args_pass(self):
kunit.main(['exec'], self.linux_source_mock)
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='', 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)
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='', 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)
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.linux_source_mock)
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('invalid KTAP input!'))
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.linux_source_mock)
self.linux_source_mock.run_kernel.assert_called_once_with(
args=None, build_dir='.kunit', filter_glob='', 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.linux_source_mock)
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.linux_source_mock)
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.linux_source_mock)
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_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)
self.linux_source_mock.run_kernel.assert_called_once_with(
args=None, build_dir='.kunit', filter_glob='filter_glob', timeout=300)
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(
args=None, build_dir='.kunit', filter_glob='', 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)
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='', 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)
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='', 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)
self.assertEqual(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_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(
args=None, build_dir=build_dir, filter_glob='', timeout=300)
self.print_mock.assert_any_call(StrContains('Testing complete.'))
@mock.patch.object(kunit_kernel, 'LinuxSourceTree')
def test_run_kunitconfig(self, mock_linux_init):
mock_linux_init.return_value = self.linux_source_mock
kunit.main(['run', '--kunitconfig=mykunitconfig'])
# Just verify that we parsed and initialized it correctly here.
mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_path='mykunitconfig',
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None)
@mock.patch.object(kunit_kernel, 'LinuxSourceTree')
def test_config_kunitconfig(self, mock_linux_init):
mock_linux_init.return_value = self.linux_source_mock
kunit.main(['config', '--kunitconfig=mykunitconfig'])
# Just verify that we parsed and initialized it correctly here.
mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_path='mykunitconfig',
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None)
@mock.patch.object(kunit_kernel, 'LinuxSourceTree')
def test_run_kconfig_add(self, mock_linux_init):
mock_linux_init.return_value = self.linux_source_mock
kunit.main(['run', '--kconfig_add=CONFIG_KASAN=y', '--kconfig_add=CONFIG_KCSAN=y'])
# Just verify that we parsed and initialized it correctly here.
mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_path=None,
kconfig_add=['CONFIG_KASAN=y', 'CONFIG_KCSAN=y'],
arch='um',
cross_compile=None,
qemu_config_path=None)
def test_run_kernel_args(self):
kunit.main(['run', '--kernel_args=a=1', '--kernel_args=b=2'], self.linux_source_mock)
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='', 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(300, '.kunit', False, 'suite*', None, 'suite'))
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*', 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*'], self.linux_source_mock)
# Should respect the user's filter glob when listing tests.
mock_tests.assert_called_once_with(mock.ANY,
kunit.KunitExecRequest(300, '.kunit', False, 'suite*.test*', None, 'suite'))
self.linux_source_mock.run_kernel.assert_has_calls([
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test*', timeout=300),
mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test*', 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*'], self.linux_source_mock)
# Should respect the user's filter glob when listing tests.
mock_tests.assert_called_once_with(mock.ANY,
kunit.KunitExecRequest(300, '.kunit', False, 'suite*', None, 'test'))
self.linux_source_mock.run_kernel.assert_has_calls([
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test1', timeout=300),
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test2', timeout=300),
mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test1', timeout=300),
])
if __name__ == '__main__':
unittest.main()
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