current/deps/v8/tools/mb/mb_unittest.py
#!/usr/bin/python
# Copyright 2016 the V8 project authors. All rights reserved.
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for mb.py."""
import json
import StringIO
import os
import sys
import unittest
import mb
class FakeMBW(mb.MetaBuildWrapper):
def __init__(self, win32=False):
super(FakeMBW, self).__init__()
# Override vars for test portability.
if win32:
self.chromium_src_dir = 'c:\\fake_src'
self.default_config = 'c:\\fake_src\\tools\\mb\\mb_config.pyl'
self.default_isolate_map = ('c:\\fake_src\\testing\\buildbot\\'
'gn_isolate_map.pyl')
self.platform = 'win32'
self.executable = 'c:\\python\\python.exe'
self.sep = '\\'
else:
self.chromium_src_dir = '/fake_src'
self.default_config = '/fake_src/tools/mb/mb_config.pyl'
self.default_isolate_map = '/fake_src/testing/buildbot/gn_isolate_map.pyl'
self.executable = '/usr/bin/python'
self.platform = 'linux2'
self.sep = '/'
self.files = {}
self.calls = []
self.cmds = []
self.cross_compile = None
self.out = ''
self.err = ''
self.rmdirs = []
def ExpandUser(self, path):
return '$HOME/%s' % path
def Exists(self, path):
return self.files.get(path) is not None
def MaybeMakeDirectory(self, path):
self.files[path] = True
def PathJoin(self, *comps):
return self.sep.join(comps)
def ReadFile(self, path):
return self.files[path]
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))
self.files[path] = contents
def Call(self, cmd, env=None, buffer_output=True):
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 TempFile(self, mode='w'):
return FakeFile(self.files)
def RemoveFile(self, path):
del self.files[path]
def RemoveDirectory(self, path):
self.rmdirs.append(path)
files_to_delete = [f for f in self.files if f.startswith(path)]
for f in files_to_delete:
self.files[f] = None
class FakeFile(object):
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 = """\
{
'masters': {
'chromium': {},
'fake_master': {
'fake_builder': 'rel_bot',
'fake_debug_builder': 'debug_goma',
'fake_args_bot': '//build/args/bots/fake_master/fake_args_bot.gn',
'fake_multi_phase': { 'phase_1': 'phase_1', 'phase_2': 'phase_2'},
'fake_args_file': 'args_file_goma',
'fake_args_file_twice': 'args_file_twice',
},
},
'configs': {
'args_file_goma': ['args_file', 'goma'],
'args_file_twice': ['args_file', 'args_file'],
'rel_bot': ['rel', 'goma', 'fake_feature1'],
'debug_goma': ['debug', 'goma'],
'phase_1': ['phase_1'],
'phase_2': ['phase_2'],
},
'mixins': {
'fake_feature1': {
'gn_args': 'enable_doom_melon=true',
},
'goma': {
'gn_args': 'use_goma=true',
},
'args_file': {
'args_file': '//build/args/fake.gn',
},
'phase_1': {
'gn_args': 'phase=1',
},
'phase_2': {
'gn_args': 'phase=2',
},
'rel': {
'gn_args': 'is_debug=false',
},
'debug': {
'gn_args': 'is_debug=true',
},
},
}
"""
TRYSERVER_CONFIG = """\
{
'masters': {
'not_a_tryserver': {
'fake_builder': 'fake_config',
},
'tryserver.chromium.linux': {
'try_builder': 'fake_config',
},
'tryserver.chromium.mac': {
'try_builder2': 'fake_config',
},
},
'luci_tryservers': {
'luci_tryserver1': ['luci_builder1'],
'luci_tryserver2': ['luci_builder2'],
},
'configs': {},
'mixins': {},
}
"""
class UnitTest(unittest.TestCase):
def fake_mbw(self, 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_master/fake_args_bot.gn'),
'is_debug = false\n')
if files:
for path, contents in files.items():
mbw.files[path] = contents
return mbw
def check(self, args, mbw=None, files=None, out=None, err=None, ret=None):
if not mbw:
mbw = self.fake_mbw(files)
actual_ret = mbw.Main(args)
self.assertEqual(actual_ret, ret)
if out is not None:
self.assertEqual(mbw.out, out)
if err is not None:
self.assertEqual(mbw.err, err)
return mbw
def test_analyze(self):
files = {'/tmp/in.json': '''{\
"files": ["foo/foo_unittest.cc"],
"test_targets": ["foo_unittests"],
"additional_compile_targets": ["all"]
}''',
'/tmp/out.json.gn': '''{\
"status": "Found dependency",
"compile_targets": ["//foo:foo_unittests"],
"test_targets": ["//foo:foo_unittests"]
}'''}
mbw = self.fake_mbw(files)
mbw.Call = lambda cmd, env=None, buffer_output=True: (0, '', '')
self.check(['analyze', '-c', 'debug_goma', '//out/Default',
'/tmp/in.json', '/tmp/out.json'], mbw=mbw, ret=0)
out = json.loads(mbw.files['/tmp/out.json'])
self.assertEqual(out, {
'status': 'Found dependency',
'compile_targets': ['foo:foo_unittests'],
'test_targets': ['foo_unittests']
})
def test_analyze_optimizes_compile_for_all(self):
files = {'/tmp/in.json': '''{\
"files": ["foo/foo_unittest.cc"],
"test_targets": ["foo_unittests"],
"additional_compile_targets": ["all"]
}''',
'/tmp/out.json.gn': '''{\
"status": "Found dependency",
"compile_targets": ["//foo:foo_unittests", "all"],
"test_targets": ["//foo:foo_unittests"]
}'''}
mbw = self.fake_mbw(files)
mbw.Call = lambda cmd, env=None, buffer_output=True: (0, '', '')
self.check(['analyze', '-c', 'debug_goma', '//out/Default',
'/tmp/in.json', '/tmp/out.json'], mbw=mbw, ret=0)
out = json.loads(mbw.files['/tmp/out.json'])
# check that 'foo_unittests' is not in the compile_targets
self.assertEqual(['all'], out['compile_targets'])
def test_analyze_handles_other_toolchains(self):
files = {'/tmp/in.json': '''{\
"files": ["foo/foo_unittest.cc"],
"test_targets": ["foo_unittests"],
"additional_compile_targets": ["all"]
}''',
'/tmp/out.json.gn': '''{\
"status": "Found dependency",
"compile_targets": ["//foo:foo_unittests",
"//foo:foo_unittests(bar)"],
"test_targets": ["//foo:foo_unittests"]
}'''}
mbw = self.fake_mbw(files)
mbw.Call = lambda cmd, env=None, buffer_output=True: (0, '', '')
self.check(['analyze', '-c', 'debug_goma', '//out/Default',
'/tmp/in.json', '/tmp/out.json'], mbw=mbw, ret=0)
out = json.loads(mbw.files['/tmp/out.json'])
# crbug.com/736215: If GN returns a label containing a toolchain,
# MB (and Ninja) don't know how to handle it; to work around this,
# we give up and just build everything we were asked to build. The
# output compile_targets should include all of the input test_targets and
# additional_compile_targets.
self.assertEqual(['all', 'foo_unittests'], out['compile_targets'])
def test_analyze_handles_way_too_many_results(self):
too_many_files = ', '.join(['"//foo:foo%d"' % i for i in range(4 * 1024)])
files = {'/tmp/in.json': '''{\
"files": ["foo/foo_unittest.cc"],
"test_targets": ["foo_unittests"],
"additional_compile_targets": ["all"]
}''',
'/tmp/out.json.gn': '''{\
"status": "Found dependency",
"compile_targets": [''' + too_many_files + '''],
"test_targets": ["//foo:foo_unittests"]
}'''}
mbw = self.fake_mbw(files)
mbw.Call = lambda cmd, env=None, buffer_output=True: (0, '', '')
self.check(['analyze', '-c', 'debug_goma', '//out/Default',
'/tmp/in.json', '/tmp/out.json'], mbw=mbw, ret=0)
out = json.loads(mbw.files['/tmp/out.json'])
# If GN returns so many compile targets that we might have command-line
# issues, we should give up and just build everything we were asked to
# build. The output compile_targets should include all of the input
# test_targets and additional_compile_targets.
self.assertEqual(['all', 'foo_unittests'], out['compile_targets'])
def test_gen(self):
mbw = self.fake_mbw()
self.check(['gen', '-c', 'debug_goma', '//out/Default', '-g', '/goma'],
mbw=mbw, ret=0)
self.assertMultiLineEqual(mbw.files['/fake_src/out/Default/args.gn'],
('goma_dir = "/goma"\n'
'is_debug = true\n'
'use_goma = true\n'))
# Make sure we log both what is written to args.gn and the command line.
self.assertIn('Writing """', mbw.out)
self.assertIn('/fake_src/buildtools/linux64/gn gen //out/Default --check',
mbw.out)
mbw = self.fake_mbw(win32=True)
self.check(['gen', '-c', 'debug_goma', '-g', 'c:\\goma', '//out/Debug'],
mbw=mbw, ret=0)
self.assertMultiLineEqual(mbw.files['c:\\fake_src\\out\\Debug\\args.gn'],
('goma_dir = "c:\\\\goma"\n'
'is_debug = true\n'
'use_goma = true\n'))
self.assertIn('c:\\fake_src\\buildtools\\win\\gn.exe gen //out/Debug '
'--check\n', mbw.out)
mbw = self.fake_mbw()
self.check(['gen', '-m', 'fake_master', '-b', 'fake_args_bot',
'//out/Debug'],
mbw=mbw, ret=0)
self.assertEqual(
mbw.files['/fake_src/out/Debug/args.gn'],
'import("//build/args/bots/fake_master/fake_args_bot.gn")\n')
def test_gen_args_file_mixins(self):
mbw = self.fake_mbw()
self.check(['gen', '-m', 'fake_master', '-b', 'fake_args_file',
'//out/Debug'], mbw=mbw, ret=0)
self.assertEqual(
mbw.files['/fake_src/out/Debug/args.gn'],
('import("//build/args/fake.gn")\n'
'use_goma = true\n'))
mbw = self.fake_mbw()
self.check(['gen', '-m', 'fake_master', '-b', 'fake_args_file_twice',
'//out/Debug'], mbw=mbw, ret=1)
def test_gen_fails(self):
mbw = self.fake_mbw()
mbw.Call = lambda cmd, env=None, buffer_output=True: (1, '', '')
self.check(['gen', '-c', 'debug_goma', '//out/Default'], mbw=mbw, ret=1)
def test_gen_swarming(self):
files = {
'/tmp/swarming_targets': 'base_unittests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'base_unittests': {"
" 'label': '//base:base_unittests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/out/Default/base_unittests.runtime_deps': (
"base_unittests\n"
),
}
mbw = self.fake_mbw(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/base_unittests.isolate',
mbw.files)
self.assertIn('/fake_src/out/Default/base_unittests.isolated.gen.json',
mbw.files)
def test_gen_swarming_script(self):
files = {
'/tmp/swarming_targets': 'cc_perftests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'cc_perftests': {"
" 'label': '//cc:cc_perftests',"
" 'type': 'script',"
" 'script': '/fake_src/out/Default/test_script.py',"
" 'args': [],"
"}}\n"
),
'c:\\fake_src\out\Default\cc_perftests.exe.runtime_deps': (
"cc_perftests\n"
),
}
mbw = self.fake_mbw(files=files, win32=True)
self.check(['gen',
'-c', 'debug_goma',
'--swarming-targets-file', '/tmp/swarming_targets',
'--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl',
'//out/Default'], mbw=mbw, ret=0)
self.assertIn('c:\\fake_src\\out\\Default\\cc_perftests.isolate',
mbw.files)
self.assertIn('c:\\fake_src\\out\\Default\\cc_perftests.isolated.gen.json',
mbw.files)
def test_multiple_isolate_maps(self):
files = {
'/tmp/swarming_targets': 'cc_perftests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'cc_perftests': {"
" 'label': '//cc:cc_perftests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/testing/buildbot/gn_isolate_map2.pyl': (
"{'cc_perftests2': {"
" 'label': '//cc:cc_perftests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'c:\\fake_src\out\Default\cc_perftests.exe.runtime_deps': (
"cc_perftests\n"
),
}
mbw = self.fake_mbw(files=files, win32=True)
self.check(['gen',
'-c', 'debug_goma',
'--swarming-targets-file', '/tmp/swarming_targets',
'--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl',
'--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map2.pyl',
'//out/Default'], mbw=mbw, ret=0)
self.assertIn('c:\\fake_src\\out\\Default\\cc_perftests.isolate',
mbw.files)
self.assertIn('c:\\fake_src\\out\\Default\\cc_perftests.isolated.gen.json',
mbw.files)
def test_duplicate_isolate_maps(self):
files = {
'/tmp/swarming_targets': 'cc_perftests\n',
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'cc_perftests': {"
" 'label': '//cc:cc_perftests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/testing/buildbot/gn_isolate_map2.pyl': (
"{'cc_perftests': {"
" 'label': '//cc:cc_perftests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'c:\\fake_src\out\Default\cc_perftests.exe.runtime_deps': (
"cc_perftests\n"
),
}
mbw = self.fake_mbw(files=files, win32=True)
# Check that passing duplicate targets into mb fails.
self.check(['gen',
'-c', 'debug_goma',
'--swarming-targets-file', '/tmp/swarming_targets',
'--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map.pyl',
'--isolate-map-file',
'/fake_src/testing/buildbot/gn_isolate_map2.pyl',
'//out/Default'], mbw=mbw, ret=1)
def test_isolate(self):
files = {
'/fake_src/out/Default/toolchain.ninja': "",
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'base_unittests': {"
" 'label': '//base:base_unittests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/out/Default/base_unittests.runtime_deps': (
"base_unittests\n"
),
}
self.check(['isolate', '-c', 'debug_goma', '//out/Default',
'base_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', 'base_unittests'],
files=files, ret=0)
self.check(['isolate', '//out/Default', 'base_unittests'],
files=files, ret=0)
def test_run(self):
files = {
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'base_unittests': {"
" 'label': '//base:base_unittests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/out/Default/base_unittests.runtime_deps': (
"base_unittests\n"
),
}
self.check(['run', '-c', 'debug_goma', '//out/Default',
'base_unittests'], files=files, ret=0)
def test_run_swarmed(self):
files = {
'/fake_src/testing/buildbot/gn_isolate_map.pyl': (
"{'base_unittests': {"
" 'label': '//base:base_unittests',"
" 'type': 'raw',"
" 'args': [],"
"}}\n"
),
'/fake_src/out/Default/base_unittests.runtime_deps': (
"base_unittests\n"
),
'out/Default/base_unittests.archive.json':
("{\"base_unittests\":\"fake_hash\"}"),
}
mbw = self.fake_mbw(files=files)
self.check(['run', '-s', '-c', 'debug_goma', '//out/Default',
'base_unittests'], mbw=mbw, ret=0)
self.check(['run', '-s', '-c', 'debug_goma', '-d', 'os', 'Win7',
'//out/Default', 'base_unittests'], mbw=mbw, ret=0)
def test_lookup(self):
self.check(['lookup', '-c', 'debug_goma'], ret=0,
out=('\n'
'Writing """\\\n'
'is_debug = true\n'
'use_goma = true\n'
'""" to _path_/args.gn.\n\n'
'/fake_src/buildtools/linux64/gn gen _path_\n'))
def test_quiet_lookup(self):
self.check(['lookup', '-c', 'debug_goma', '--quiet'], ret=0,
out=('is_debug = true\n'
'use_goma = true\n'))
def test_lookup_goma_dir_expansion(self):
self.check(['lookup', '-c', 'rel_bot', '-g', '/foo'], ret=0,
out=('\n'
'Writing """\\\n'
'enable_doom_melon = true\n'
'goma_dir = "/foo"\n'
'is_debug = false\n'
'use_goma = true\n'
'""" to _path_/args.gn.\n\n'
'/fake_src/buildtools/linux64/gn gen _path_\n'))
def test_help(self):
orig_stdout = sys.stdout
try:
sys.stdout = StringIO.StringIO()
self.assertRaises(SystemExit, self.check, ['-h'])
self.assertRaises(SystemExit, self.check, ['help'])
self.assertRaises(SystemExit, self.check, ['help', 'gen'])
finally:
sys.stdout = orig_stdout
def test_multiple_phases(self):
# Check that not passing a --phase to a multi-phase builder fails.
mbw = self.check(['lookup', '-m', 'fake_master', '-b', 'fake_multi_phase'],
ret=1)
self.assertIn('Must specify a build --phase', mbw.out)
# Check that passing a --phase to a single-phase builder fails.
mbw = self.check(['lookup', '-m', 'fake_master', '-b', 'fake_builder',
'--phase', 'phase_1'], ret=1)
self.assertIn('Must not specify a build --phase', mbw.out)
# Check that passing a wrong phase key to a multi-phase builder fails.
mbw = self.check(['lookup', '-m', 'fake_master', '-b', 'fake_multi_phase',
'--phase', 'wrong_phase'], ret=1)
self.assertIn('Phase wrong_phase doesn\'t exist', mbw.out)
# Check that passing a correct phase key to a multi-phase builder passes.
mbw = self.check(['lookup', '-m', 'fake_master', '-b', 'fake_multi_phase',
'--phase', 'phase_1'], ret=0)
self.assertIn('phase = 1', mbw.out)
mbw = self.check(['lookup', '-m', 'fake_master', '-b', 'fake_multi_phase',
'--phase', 'phase_2'], ret=0)
self.assertIn('phase = 2', mbw.out)
def test_recursive_lookup(self):
files = {
'/fake_src/build/args/fake.gn': (
'enable_doom_melon = true\n'
'enable_antidoom_banana = true\n'
)
}
self.check(['lookup', '-m', 'fake_master', '-b', 'fake_args_file',
'--recursive'], files=files, ret=0,
out=('enable_antidoom_banana = true\n'
'enable_doom_melon = true\n'
'use_goma = true\n'))
def test_validate(self):
mbw = self.fake_mbw()
self.check(['validate'], mbw=mbw, ret=0)
def test_buildbucket(self):
mbw = self.fake_mbw()
mbw.files[mbw.default_config] = TRYSERVER_CONFIG
self.check(['gerrit-buildbucket-config'], mbw=mbw,
ret=0,
out=('# This file was generated using '
'"tools/mb/mb.py gerrit-buildbucket-config".\n'
'[bucket "luci.luci_tryserver1"]\n'
'\tbuilder = luci_builder1\n'
'[bucket "luci.luci_tryserver2"]\n'
'\tbuilder = luci_builder2\n'
'[bucket "master.tryserver.chromium.linux"]\n'
'\tbuilder = try_builder\n'
'[bucket "master.tryserver.chromium.mac"]\n'
'\tbuilder = try_builder2\n'))
if __name__ == '__main__':
unittest.main()