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# 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 sys
import unittest
import mb
class FakeMBW(mb.MetaBuildWrapper):
def __init__(self):
super(FakeMBW, self).__init__()
self.files = {}
self.calls = []
self.out = ''
self.err = ''
self.chromium_src_dir = '/fake_src'
self.default_config = '/fake_src/tools/mb/mb_config.pyl'
def ExpandUser(self, path):
return '$HOME/%s' % path
def Exists(self, path):
return self.files.get(path) is not None
def ReadFile(self, path):
return self.files[path]
def WriteFile(self, path, contents):
self.files[path] = contents
def Call(self, cmd):
self.calls.append(cmd)
return 0, '', ''
def Print(self, *args, **kwargs):
sep = kwargs.get('sep', ' ')
end = kwargs.get('end', '\n')
f = kwargs.get('file', sys.stdout)
if f == sys.stderr:
self.err += sep.join(args) + end
else:
self.out += sep.join(args) + end
class IntegrationTest(unittest.TestCase):
def test_validate(self):
# Note that this validates that the actual mb_config.pyl is valid.
ret = mb.main(['validate', '--quiet'])
self.assertEqual(ret, 0)
TEST_CONFIG = """\
{
'common_dev_configs': ['gn_debug'],
'configs': {
'gyp_rel_bot': ['gyp', 'rel', 'goma'],
'gn_debug': ['gn', 'debug'],
'gn_rel_bot': ['gn', 'rel', 'goma'],
'private': ['gyp', 'fake_feature1'],
'unsupported': ['gn', 'fake_feature2'],
},
'masters': {
'fake_master': {
'fake_builder': 'gyp_rel_bot',
'fake_gn_builder': 'gn_rel_bot',
},
},
'mixins': {
'fake_feature1': {
'gn_args': 'enable_doom_melon=true',
'gyp_defines': 'doom_melon=1',
},
'fake_feature2': {
'gn_args': 'enable_doom_melon=false',
'gyp_defaults': 'doom_melon=0',
},
'gyp': {'type': 'gyp'},
'gn': {'type': 'gn'},
'goma': {
'gn_args': 'use_goma=true goma_dir="$(goma_dir)"',
'gyp_defines': 'goma=1 gomadir="$(goma_dir)"',
},
'rel': {
'gn_args': 'is_debug=false',
'gyp_config': 'Release',
},
'debug': {
'gn_args': 'is_debug=true',
},
},
'private_configs': ['private'],
'unsupported_configs': ['unsupported'],
}
"""
class UnitTest(unittest.TestCase):
def fake_mbw(self, files):
mbw = FakeMBW()
if files:
for path, contents in files.items():
mbw.files[path] = contents
mbw.files.setdefault(mbw.default_config, TEST_CONFIG)
return mbw
def check(self, args, mbw=None, files=None, out=None, err=None, ret=None):
if not mbw:
mbw = self.fake_mbw(files)
mbw.ParseArgs(args)
actual_ret = mbw.args.func()
if ret is not None:
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_gn_analyze(self):
files = {'/tmp/in.json': """{\
"files": ["foo/foo_unittest.cc"],
"targets": ["foo_unittests", "bar_unittests"]
}"""}
mbw = self.fake_mbw(files)
mbw.Call = lambda cmd: (0, 'out/Default/foo_unittests\n', '')
self.check(['analyze', '-c', 'gn_debug', '//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',
'targets': ['foo_unittests'],
'build_targets': ['foo_unittests']
})
def test_gyp_analyze(self):
self.check(['analyze', '-c', 'gyp_rel_bot', '//out/Release',
'/tmp/in.json', '/tmp/out.json'],
ret=0)
def test_gen(self):
self.check(['gen', '-c', 'gn_debug', '//out/Default'], ret=0)
self.check(['gen', '-c', 'gyp_rel_bot', '//out/Release'], ret=0)
def test_goma_dir_expansion(self):
self.check(['lookup', '-c', 'gyp_rel_bot', '-g', '/foo'], ret=0,
out=("python build/gyp_chromium -G 'output_dir=<path>' "
"-G config=Release -D goma=1 -D gomadir=/foo\n"))
self.check(['lookup', '-c', 'gn_rel_bot', '-g', '/foo'], ret=0,
out=("gn gen '<path>' '--args=is_debug=false use_goma=true "
"goma_dir=\"/foo\"'\n" ))
def test_help(self):
self.assertRaises(SystemExit, self.check, ['-h'])
self.assertRaises(SystemExit, self.check, ['help'])
self.assertRaises(SystemExit, self.check, ['help', 'gen'])
def test_lookup(self):
self.check(['lookup', '-c', 'gn_debug'], ret=0)
def test_validate(self):
self.check(['validate'], ret=0)
if __name__ == '__main__':
unittest.main()
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