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#!/usr/bin/env vpython3
# Copyright 2017 The LibYuv 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.
import glob
import os
import shutil
import sys
import tempfile
import unittest
import roll_deps
from roll_deps import CalculateChangedDeps, GetMatchingDepsEntries, \
ParseDepsDict, ParseLocalDepsFile, UpdateDepsFile
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
PARENT_DIR = os.path.join(SCRIPT_DIR, os.pardir)
sys.path.append(PARENT_DIR)
TEST_DATA_VARS = {
'chromium_git': 'https://chromium.googlesource.com',
'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d',
}
DEPS_ENTRIES = {
'src/build': 'https://build.com',
'src/buildtools': 'https://buildtools.com',
'src/testing/gtest': 'https://gtest.com',
'src/testing/gmock': 'https://gmock.com',
}
BUILD_OLD_REV = '52f7afeca991d96d68cf0507e20dbdd5b845691f'
BUILD_NEW_REV = 'HEAD'
BUILDTOOLS_OLD_REV = '64e38f0cebdde27aa0cfb405f330063582f9ac76'
BUILDTOOLS_NEW_REV = '55ad626b08ef971fd82a62b7abb325359542952b'
class TestError(Exception):
pass
class FakeCmd():
def __init__(self):
self.expectations = []
def add_expectation(self, *args, **kwargs):
returns = kwargs.pop('_returns', None)
self.expectations.append((args, kwargs, returns))
def __call__(self, *args, **kwargs):
if not self.expectations:
raise TestError('Got unexpected\n%s\n%s' % (args, kwargs))
exp_args, exp_kwargs, exp_returns = self.expectations.pop(0)
if args != exp_args or kwargs != exp_kwargs:
message = 'Expected:\n args: %s\n kwargs: %s\n' % (exp_args, exp_kwargs)
message += 'Got:\n args: %s\n kwargs: %s\n' % (args, kwargs)
raise TestError(message)
return exp_returns
class TestRollChromiumRevision(unittest.TestCase):
def setUp(self):
self._output_dir = tempfile.mkdtemp()
for test_file in glob.glob(os.path.join(SCRIPT_DIR, 'testdata', '*')):
shutil.copy(test_file, self._output_dir)
self._libyuv_depsfile = os.path.join(self._output_dir, 'DEPS')
self._old_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.old')
self._new_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.new')
self.fake = FakeCmd()
self.old_RunCommand = getattr(roll_deps, '_RunCommand')
setattr(roll_deps, '_RunCommand', self.fake)
def tearDown(self):
shutil.rmtree(self._output_dir, ignore_errors=True)
self.assertEqual(self.fake.expectations, [])
setattr(roll_deps, '_RunCommand', self.old_RunCommand)
def testVarLookup(self):
local_scope = {'foo': 'wrong', 'vars': {'foo': 'bar'}}
lookup = roll_deps.VarLookup(local_scope)
self.assertEqual(lookup('foo'), 'bar')
def testUpdateDepsFile(self):
new_rev = 'aaaaabbbbbcccccdddddeeeeefffff0000011111'
current_rev = TEST_DATA_VARS['chromium_revision']
UpdateDepsFile(self._libyuv_depsfile, current_rev, new_rev, [])
with open(self._libyuv_depsfile, 'r') as deps_file:
deps_contents = deps_file.read()
self.assertTrue(new_rev in deps_contents,
'Failed to find %s in\n%s' % (new_rev, deps_contents))
def testParseDepsDict(self):
with open(self._libyuv_depsfile, 'r') as deps_file:
deps_contents = deps_file.read()
local_scope = ParseDepsDict(deps_contents)
vars_dict = local_scope['vars']
def assertVar(variable_name):
self.assertEqual(vars_dict[variable_name], TEST_DATA_VARS[variable_name])
assertVar('chromium_git')
assertVar('chromium_revision')
self.assertEqual(len(local_scope['deps']), 3)
def testGetMatchingDepsEntriesReturnsPathInSimpleCase(self):
entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing/gtest')
self.assertEqual(len(entries), 1)
self.assertEqual(entries[0], DEPS_ENTRIES['src/testing/gtest'])
def testGetMatchingDepsEntriesHandlesSimilarStartingPaths(self):
entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing')
self.assertEqual(len(entries), 2)
def testGetMatchingDepsEntriesHandlesTwoPathsWithIdenticalFirstParts(self):
entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/build')
self.assertEqual(len(entries), 1)
self.assertEqual(entries[0], DEPS_ENTRIES['src/build'])
def testCalculateChangedDeps(self):
_SetupGitLsRemoteCall(self.fake,
'https://chromium.googlesource.com/chromium/src/build', BUILD_NEW_REV)
libyuv_deps = ParseLocalDepsFile(self._libyuv_depsfile)
new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile)
changed_deps = CalculateChangedDeps(libyuv_deps, new_cr_deps)
self.assertEqual(len(changed_deps), 2)
self.assertEqual(changed_deps[0].path, 'src/build')
self.assertEqual(changed_deps[0].current_rev, BUILD_OLD_REV)
self.assertEqual(changed_deps[0].new_rev, BUILD_NEW_REV)
self.assertEqual(changed_deps[1].path, 'src/buildtools')
self.assertEqual(changed_deps[1].current_rev, BUILDTOOLS_OLD_REV)
self.assertEqual(changed_deps[1].new_rev, BUILDTOOLS_NEW_REV)
def _SetupGitLsRemoteCall(cmd_fake, url, revision):
cmd = ['git', 'ls-remote', url, revision]
cmd_fake.add_expectation(cmd, _returns=(revision, None))
if __name__ == '__main__':
unittest.main()
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