blob: 40c12eda178ac6e10a1500d70b3ce8cf83dbb5ad [file] [log] [blame]
#!/usr/bin/env vpython3
# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
#
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
"""Tests for mb.py."""
import ast
import os
import re
import sys
import tempfile
import unittest
_SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
_SRC_DIR = os.path.dirname(os.path.dirname(_SCRIPT_DIR))
sys.path.insert(0, _SRC_DIR)
from tools_webrtc.mb import mb
class FakeMBW(mb.WebRTCMetaBuildWrapper):
def __init__(self, win32=False):
super().__init__()
# Override vars for test portability.
if win32:
self.chromium_src_dir = 'c:\\fake_src'
self.default_config = 'c:\\fake_src\\tools_webrtc\\mb\\mb_config.pyl'
self.default_isolate_map = ('c:\\fake_src\\testing\\buildbot\\'
'gn_isolate_map.pyl')
self.platform = 'win32'
self.executable = 'c:\\python\\vpython3.exe'
self.sep = '\\'
self.cwd = 'c:\\fake_src\\out\\Default'
else:
self.chromium_src_dir = '/fake_src'
self.default_config = '/fake_src/tools_webrtc/mb/mb_config.pyl'
self.default_isolate_map = '/fake_src/testing/buildbot/gn_isolate_map.pyl'
self.executable = '/usr/bin/vpython3'
self.platform = 'linux2'
self.sep = '/'
self.cwd = '/fake_src/out/Default'
self.files = {}
self.dirs = set()
self.calls = []
self.cmds = []
self.cross_compile = None
self.out = ''
self.err = ''
self.rmdirs = []
def ExpandUser(self, path):
# pylint: disable=no-self-use
return '$HOME/%s' % path
def Exists(self, path):
abs_path = self._AbsPath(path)
return self.files.get(abs_path) is not None or abs_path in self.dirs
def ListDir(self, path):
dir_contents = []
for f in list(self.files.keys()) + list(self.dirs):
head, _ = os.path.split(f)
if head == path:
dir_contents.append(f)
return dir_contents
def MaybeMakeDirectory(self, path):
abpath = self._AbsPath(path)
self.dirs.add(abpath)
def PathJoin(self, *comps):
return self.sep.join(comps)
def ReadFile(self, path):
try:
return self.files[self._AbsPath(path)]
except KeyError as e:
raise IOError('%s not found' % path) from e
def WriteFile(self, path, contents, force_verbose=False):
if self.args.dryrun or self.args.verbose or force_verbose:
self.Print('\nWriting """\\\n%s""" to %s.\n' % (contents, path))
abpath = self._AbsPath(path)
self.files[abpath] = contents
def Call(self, cmd, env=None, capture_output=True, input=None):
# pylint: disable=redefined-builtin
del env
del capture_output
del input
self.calls.append(cmd)
if self.cmds:
return self.cmds.pop(0)
return 0, '', ''
def Print(self, *args, **kwargs):
sep = kwargs.get('sep', ' ')
end = kwargs.get('end', '\n')
f = kwargs.get('file', sys.stdout)
if f == sys.stderr:
self.err += sep.join(args) + end
else:
self.out += sep.join(args) + end
def TempDir(self):
tmp_dir = os.path.join(tempfile.gettempdir(), 'mb_test')
self.dirs.add(tmp_dir)
return tmp_dir
def TempFile(self, mode='w'):
del mode
return FakeFile(self.files)
def RemoveFile(self, path):
abpath = self._AbsPath(path)
self.files[abpath] = None
def RemoveDirectory(self, abs_path):
# Normalize the passed-in path to handle different working directories
# used during unit testing.
abs_path = self._AbsPath(abs_path)
self.rmdirs.append(abs_path)
files_to_delete = [f for f in self.files if f.startswith(abs_path)]
for f in files_to_delete:
self.files[f] = None
def _AbsPath(self, path):
if not ((self.platform == 'win32' and path.startswith('c:')) or
(self.platform != 'win32' and path.startswith('/'))):
path = self.PathJoin(self.cwd, path)
if self.sep == '\\':
return re.sub(r'\\+', r'\\', path)
return re.sub('/+', '/', path)
class FakeFile:
# pylint: disable=invalid-name
def __init__(self, files):
self.name = '/tmp/file'
self.buf = ''
self.files = files
def write(self, contents):
self.buf += contents
def close(self):
self.files[self.name] = self.buf
TEST_CONFIG = """\
{
'builder_groups': {
'chromium': {},
'fake_group': {
'fake_builder': 'rel_bot',
'fake_debug_builder': 'debug_goma',
'fake_args_bot': 'fake_args_bot',
'fake_multi_phase': { 'phase_1': 'phase_1', 'phase_2': 'phase_2'},
'fake_android_bot': 'android_bot',
'fake_args_file': 'args_file_goma',
'fake_ios_error': 'ios_error',
},
},
'configs': {
'args_file_goma': ['fake_args_bot', 'goma'],
'fake_args_bot': ['fake_args_bot'],
'rel_bot': ['rel', 'goma', 'fake_feature1'],
'debug_goma': ['debug', 'goma'],
'phase_1': ['rel', 'phase_1'],
'phase_2': ['rel', 'phase_2'],
'android_bot': ['android'],
'ios_error': ['error'],
},
'mixins': {
'error': {
'gn_args': 'error',
},
'fake_args_bot': {
'args_file': '//build/args/bots/fake_group/fake_args_bot.gn',
},
'fake_feature1': {
'gn_args': 'enable_doom_melon=true',
},
'goma': {
'gn_args': 'use_goma=true',
},
'phase_1': {
'gn_args': 'phase=1',
},
'phase_2': {
'gn_args': 'phase=2',
},
'rel': {
'gn_args': 'is_debug=false dcheck_always_on=false',
},
'debug': {
'gn_args': 'is_debug=true',
},
'android': {
'gn_args': 'target_os="android" dcheck_always_on=false',
}
},
}
"""
def CreateFakeMBW(files=None, win32=False):
mbw = FakeMBW(win32=win32)
mbw.files.setdefault(mbw.default_config, TEST_CONFIG)
mbw.files.setdefault(
mbw.ToAbsPath('//testing/buildbot/gn_isolate_map.pyl'), '''{
"foo_unittests": {
"label": "//foo:foo_unittests",
"type": "console_test_launcher",
"args": [],
},
}''')
mbw.files.setdefault(
mbw.ToAbsPath('//build/args/bots/fake_group/fake_args_bot.gn'),
'is_debug = false\ndcheck_always_on=false\n')
mbw.files.setdefault(mbw.ToAbsPath('//tools/mb/rts_banned_suites.json'), '{}')
if files:
for path, contents in list(files.items()):
mbw.files[path] = contents
if path.endswith('.runtime_deps'):
def FakeCall(cmd, env=None, capture_output=True, stdin=None):
# pylint: disable=cell-var-from-loop
del cmd
del env
del capture_output
del stdin
mbw.files[path] = contents
return 0, '', ''
# pylint: disable=invalid-name
mbw.Call = FakeCall
return mbw
class UnitTest(unittest.TestCase):
# pylint: disable=invalid-name
def check(self,
args,
mbw=None,
files=None,
out=None,
err=None,
ret=None,
env=None):
if not mbw:
mbw = CreateFakeMBW(files)
try:
prev_env = os.environ.copy()
os.environ = env if env else prev_env
actual_ret = mbw.Main(args)
finally:
os.environ = prev_env
self.assertEqual(
actual_ret, ret,
"ret: %s, out: %s, err: %s" % (actual_ret, mbw.out, mbw.err))
if out is not None:
self.assertEqual(mbw.out, out)
if err is not None:
self.assertEqual(mbw.err, err)
return mbw
def test_gen_swarming(self):
files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = CreateFakeMBW(files)
self.check([
'gen', '-c', 'debug_goma', '--swarming-targets-file',
'/tmp/swarming_targets', '//out/Default'
],
mbw=mbw,
ret=0)
self.assertIn('/fake_src/out/Default/foo_unittests.isolate', mbw.files)
self.assertIn('/fake_src/out/Default/foo_unittests.isolated.gen.json',
mbw.files)
def test_gen_swarming_android(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'console_test_launcher',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'android_bot', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(
files,
['../../.vpython3', '../../testing/test_env.py', 'foo_unittests'])
self.assertEqual(command, [
'luci-auth',
'context',
'--',
'vpython3',
'../../build/android/test_wrapper/logdog_wrapper.py',
'--target',
'foo_unittests',
'--logdog-bin-cmd',
'../../.task_template_packages/logdog_butler',
'--logcat-output-file',
'${ISOLATED_OUTDIR}/logcats',
'--store-tombstones',
])
def test_gen_swarming_android_junit_test(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'junit_test',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'android_bot', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(
files,
['../../.vpython3', '../../testing/test_env.py', 'foo_unittests'])
self.assertEqual(command, [
'luci-auth',
'context',
'--',
'vpython3',
'../../build/android/test_wrapper/logdog_wrapper.py',
'--target',
'foo_unittests',
'--logdog-bin-cmd',
'../../.task_template_packages/logdog_butler',
'--logcat-output-file',
'${ISOLATED_OUTDIR}/logcats',
'--store-tombstones',
])
def test_gen_timeout(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'non_parallel_console_test_launcher',"
" 'timeout': 500,"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'foo_unittests',
])
self.assertEqual(command, [
'vpython3',
'../../testing/test_env.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=500',
'--workers=1',
'--retry_failed=3',
'./foo_unittests',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_gen_script(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests_script\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests_script': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'script',"
" 'script': '//foo/foo_unittests_script.py',"
"}}\n"),
'/fake_src/out/Default/foo_unittests_script.runtime_deps':
("foo_unittests\n"
"foo_unittests_script.py\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = (
mbw.files['/fake_src/out/Default/foo_unittests_script.isolate'])
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'foo_unittests',
'foo_unittests_script.py',
])
self.assertEqual(command, [
'vpython3',
'../../foo/foo_unittests_script.py',
])
def test_gen_raw(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'raw',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'foo_unittests',
])
self.assertEqual(command, ['bin/run_foo_unittests'])
def test_gen_non_parallel_console_test_launcher(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'non_parallel_console_test_launcher',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'foo_unittests',
])
self.assertEqual(command, [
'vpython3',
'../../testing/test_env.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=900',
'--workers=1',
'--retry_failed=3',
'./foo_unittests',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_isolate_windowed_test_launcher_linux(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'windowed_test_launcher',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps':
("foo_unittests\n"
"some_resource_file\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../testing/xvfb.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'foo_unittests',
'some_resource_file',
])
self.assertEqual(command, [
'vpython3',
'../../testing/xvfb.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=900',
'--retry_failed=3',
'./foo_unittests',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_gen_windowed_test_launcher_win(self):
files = {
'c:\\fake_src\\out\\Default\\tmp\\swarming_targets':
'unittests\n',
'c:\\fake_src\\testing\\buildbot\\gn_isolate_map.pyl':
("{'unittests': {"
" 'label': '//somewhere:unittests',"
" 'type': 'windowed_test_launcher',"
"}}\n"),
r'c:\fake_src\out\Default\unittests.exe.runtime_deps':
("unittests.exe\n"
"some_dependency\n"),
}
mbw = CreateFakeMBW(files=files, win32=True)
self.check([
'gen', '-c', 'debug_goma', '--swarming-targets-file',
'c:\\fake_src\\out\\Default\\tmp\\swarming_targets',
'--isolate-map-file',
'c:\\fake_src\\testing\\buildbot\\gn_isolate_map.pyl', '//out/Default'
],
mbw=mbw,
ret=0)
isolate_file = mbw.files['c:\\fake_src\\out\\Default\\unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'some_dependency',
'unittests.exe',
])
self.assertEqual(command, [
'vpython3',
'../../testing/test_env.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=900',
'--retry_failed=3',
r'.\unittests.exe',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_gen_console_test_launcher(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'console_test_launcher',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'foo_unittests',
])
self.assertEqual(command, [
'vpython3',
'../../testing/test_env.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=900',
'--retry_failed=3',
'./foo_unittests',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_isolate_test_launcher_with_webcam(self):
test_files = {
'/tmp/swarming_targets':
'foo_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'console_test_launcher',"
" 'use_webcam': True,"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps':
("foo_unittests\n"
"some_resource_file\n"),
}
mbw = self.check([
'gen', '-c', 'debug_goma', '//out/Default', '--swarming-targets-file',
'/tmp/swarming_targets', '--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl'
],
files=test_files,
ret=0)
isolate_file = mbw.files['/fake_src/out/Default/foo_unittests.isolate']
isolate_file_contents = ast.literal_eval(isolate_file)
files = isolate_file_contents['variables']['files']
command = isolate_file_contents['variables']['command']
self.assertEqual(files, [
'../../.vpython3',
'../../testing/test_env.py',
'../../third_party/gtest-parallel/gtest-parallel',
'../../third_party/gtest-parallel/gtest_parallel.py',
'../../tools_webrtc/ensure_webcam_is_running.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'foo_unittests',
'some_resource_file',
])
self.assertEqual(command, [
'vpython3',
'../../tools_webrtc/ensure_webcam_is_running.py',
'vpython3',
'../../testing/test_env.py',
'../../tools_webrtc/gtest-parallel-wrapper.py',
'--output_dir=${ISOLATED_OUTDIR}/test_logs',
'--gtest_color=no',
'--timeout=900',
'--retry_failed=3',
'./foo_unittests',
'--asan=0',
'--lsan=0',
'--msan=0',
'--tsan=0',
])
def test_isolate(self):
files = {
'/fake_src/out/Default/toolchain.ninja':
"",
'/fake_src/testing/buildbot/gn_isolate_map.pyl':
("{'foo_unittests': {"
" 'label': '//foo:foo_unittests',"
" 'type': 'non_parallel_console_test_launcher',"
"}}\n"),
'/fake_src/out/Default/foo_unittests.runtime_deps': ("foo_unittests\n"),
}
self.check(
['isolate', '-c', 'debug_goma', '//out/Default', 'foo_unittests'],
files=files,
ret=0)
# test running isolate on an existing build_dir
files['/fake_src/out/Default/args.gn'] = 'is_debug = true\n'
self.check(['isolate', '//out/Default', 'foo_unittests'],
files=files,
ret=0)
files['/fake_src/out/Default/mb_type'] = 'gn\n'
self.check(['isolate', '//out/Default', 'foo_unittests'],
files=files,
ret=0)
if __name__ == '__main__':
unittest.main()