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Kernel
提交 8a04930f 编写于 作者: D Daniel Latypov 提交者： Shuah Khan
浏览文件
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kunit: tool: redo how we construct and mock LinuxSourceTree 

Our main function currently has an optional `linux` argument which is
used to by our unit tests to inject a mock.
We currently have the same code copy-pasted several times to do
  if not linux:
    linux = MakeRealInstance(cli_args.foo, cli_args.bar, ...)

But in python, dependency injection isn't necessary or idiomatic when we
can just use mock.patch() to mock things out.

This change
1. adds a helper to create a LinuxSourceTree from the cli_args
2. drops the `linux` parameter in favor of mocking the __init__ func.
Signed-off-by: NDaniel Latypov <dlatypov@google.com>
Reviewed-by: NDavid Gow <davidgow@google.com>
Reviewed-by: NBrendan Higgins <brendanhiggins@google.com>
Signed-off-by: NShuah Khan <skhan@linuxfoundation.org>
上级 76f0d6f5
隐藏空白更改
内联 并排
Showing with 65 addition and 87 deletion
tools/testing/kunit/kunit.py
浏览文件 @ 8a04930f
......@@ -365,7 +365,18 @@ def add_parse_opts(parser) -> None:
'filename is specified',
type=str, const='stdout', default=None, metavar='FILE')
def main(argv, linux=None):
def tree_from_args(cli_args: argparse.Namespace) -> kunit_kernel.LinuxSourceTree:
"""Returns a LinuxSourceTree based on the user's arguments."""
return kunit_kernel.LinuxSourceTree(cli_args.build_dir,
kunitconfig_path=cli_args.kunitconfig,
kconfig_add=cli_args.kconfig_add,
arch=cli_args.arch,
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
def main(argv):
parser = argparse.ArgumentParser(
description='Helps writing and running KUnit tests.')
subparser = parser.add_subparsers(dest='subcommand')
......@@ -412,14 +423,7 @@ def main(argv, linux=None):
if not os.path.exists(cli_args.build_dir):
os.mkdir(cli_args.build_dir)
if not linux:
linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
kunitconfig_path=cli_args.kunitconfig,
kconfig_add=cli_args.kconfig_add,
arch=cli_args.arch,
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
linux = tree_from_args(cli_args)
request = KunitRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
jobs=cli_args.jobs,
......@@ -438,14 +442,7 @@ def main(argv, linux=None):
not os.path.exists(cli_args.build_dir)):
os.mkdir(cli_args.build_dir)
if not linux:
linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
kunitconfig_path=cli_args.kunitconfig,
kconfig_add=cli_args.kconfig_add,
arch=cli_args.arch,
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
linux = tree_from_args(cli_args)
request = KunitConfigRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options)
result = config_tests(linux, request)
......@@ -455,14 +452,7 @@ def main(argv, linux=None):
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'build':
if not linux:
linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
kunitconfig_path=cli_args.kunitconfig,
kconfig_add=cli_args.kconfig_add,
arch=cli_args.arch,
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
linux = tree_from_args(cli_args)
request = KunitBuildRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
jobs=cli_args.jobs,
......@@ -474,14 +464,7 @@ def main(argv, linux=None):
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'exec':
if not linux:
linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
kunitconfig_path=cli_args.kunitconfig,
kconfig_add=cli_args.kconfig_add,
arch=cli_args.arch,
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
linux = tree_from_args(cli_args)
exec_request = KunitExecRequest(raw_output=cli_args.raw_output,
build_dir=cli_args.build_dir,
json=cli_args.json,
......
tools/testing/kunit/kunit_tool_test.py
浏览文件 @ 8a04930f
......@@ -503,24 +503,25 @@ class KUnitMainTest(unittest.TestCase):
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)
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.linux_source_mock)
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.linux_source_mock)
kunit.main(['build'])
self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)
self.linux_source_mock.build_kernel.assert_called_once_with(False, 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.linux_source_mock)
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(
......@@ -528,7 +529,7 @@ class KUnitMainTest(unittest.TestCase):
self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_passes_args_pass(self):
kunit.main(['run'], self.linux_source_mock)
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(
......@@ -538,13 +539,13 @@ class KUnitMainTest(unittest.TestCase):
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)
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.linux_source_mock)
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)
......@@ -553,7 +554,7 @@ class KUnitMainTest(unittest.TestCase):
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)
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='', timeout=300)
......@@ -561,7 +562,7 @@ class KUnitMainTest(unittest.TestCase):
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)
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.')))
......@@ -569,7 +570,7 @@ class KUnitMainTest(unittest.TestCase):
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)
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:
......@@ -578,7 +579,7 @@ class KUnitMainTest(unittest.TestCase):
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)
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:
......@@ -588,27 +589,27 @@ class KUnitMainTest(unittest.TestCase):
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.linux_source_mock)
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)
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', timeout=300)
def test_exec_timeout(self):
timeout = 3453
kunit.main(['exec', '--timeout', str(timeout)], self.linux_source_mock)
kunit.main(['exec', '--timeout', str(timeout)])
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)
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='', timeout=timeout)
......@@ -616,7 +617,7 @@ class KUnitMainTest(unittest.TestCase):
def test_run_builddir(self):
build_dir = '.kunit'
kunit.main(['run', '--build_dir=.kunit'], self.linux_source_mock)
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='', timeout=300)
......@@ -624,60 +625,54 @@ class KUnitMainTest(unittest.TestCase):
def test_config_builddir(self):
build_dir = '.kunit'
kunit.main(['config', '--build_dir', build_dir], self.linux_source_mock)
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)
kunit.main(['build', '--build_dir', build_dir])
self.linux_source_mock.build_kernel.assert_called_once_with(False, jobs, build_dir, None)
def test_exec_builddir(self):
build_dir = '.kunit'
kunit.main(['exec', '--build_dir', build_dir], self.linux_source_mock)
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='', 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
def test_run_kunitconfig(self):
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
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_path='mykunitconfig',
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None)
def test_config_kunitconfig(self):
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
self.mock_linux_init.assert_called_once_with('.kunit',
kunitconfig_path='mykunitconfig',
kconfig_add=None,
arch='um',
cross_compile=None,
qemu_config_path=None)
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.
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)
self.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)
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='', timeout=300)
......@@ -699,7 +694,7 @@ class KUnitMainTest(unittest.TestCase):
@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)
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,
......@@ -712,7 +707,7 @@ class KUnitMainTest(unittest.TestCase):
@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)
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,
......
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