Move tools/autoroller to tools-webrtc/ + rename script

tools/autoroller/unittests/roll_chromium_revision_test.py

-#!/usr/bin/env python
-# Copyright (c) 2015 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.
-
-import glob
-import os
-import shutil
-import sys
-import tempfile
-import unittest
-
-
-SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
-PARENT_DIR = os.path.join(SCRIPT_DIR, os.pardir)
-sys.path.append(PARENT_DIR)
-import roll_chromium_revision
-from roll_chromium_revision import CalculateChangedDepsProper, \
-  GetMatchingDepsEntries, ParseDepsDict, \
-  ParseLocalDepsFile, UpdateDepsFile
-
-
-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(object):
-  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._webrtc_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_chromium_revision, '_RunCommand')
-    setattr(roll_chromium_revision, '_RunCommand', self.fake)
-
-  def tearDown(self):
-    shutil.rmtree(self._output_dir, ignore_errors=True)
-    self.assertEqual(self.fake.expectations, [])
-    setattr(roll_chromium_revision, '_RunCommand', self.old_RunCommand)
-
-  def testUpdateDepsFile(self):
-    new_rev = 'aaaaabbbbbcccccdddddeeeeefffff0000011111'
-
-    current_rev = TEST_DATA_VARS['chromium_revision']
-    UpdateDepsFile(self._webrtc_depsfile, current_rev, new_rev, [])
-    with open(self._webrtc_depsfile) 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._webrtc_depsfile) as deps_file:
-      deps_contents = deps_file.read()
-    local_scope = ParseDepsDict(deps_contents)
-    vars_dict = local_scope['vars']
-
-    def assertVar(variable_name):
-      self.assertEquals(vars_dict[variable_name], TEST_DATA_VARS[variable_name])
-    assertVar('chromium_git')
-    assertVar('chromium_revision')
-    self.assertEquals(len(local_scope['deps']), 3)
-    self.assertEquals(len(local_scope['deps_os']), 1)
-
-  def testGetMatchingDepsEntriesReturnsPathInSimpleCase(self):
-    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing/gtest')
-    self.assertEquals(len(entries), 1)
-    self.assertEquals(entries[0], DEPS_ENTRIES['src/testing/gtest'])
-
-  def testGetMatchingDepsEntriesHandlesSimilarStartingPaths(self):
-    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing')
-    self.assertEquals(len(entries), 2)
-
-  def testGetMatchingDepsEntriesHandlesTwoPathsWithIdenticalFirstParts(self):
-    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/build')
-    self.assertEquals(len(entries), 1)
-    self.assertEquals(entries[0], DEPS_ENTRIES['src/build'])
-
-  def testCalculateChangedDepsProper(self):
-    _SetupGitLsRemoteCall(self.fake,
-        'https://chromium.googlesource.com/chromium/src/build', BUILD_NEW_REV)
-    webrtc_deps = ParseLocalDepsFile(self._webrtc_depsfile)
-    new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile)
-    changed_deps = CalculateChangedDepsProper(webrtc_deps, new_cr_deps)
-    self.assertEquals(len(changed_deps), 2)
-    self.assertEquals(changed_deps[0].path, 'src/build')
-    self.assertEquals(changed_deps[0].current_rev, BUILD_OLD_REV)
-    self.assertEquals(changed_deps[0].new_rev, BUILD_NEW_REV)
-
-    self.assertEquals(changed_deps[1].path, 'src/buildtools')
-    self.assertEquals(changed_deps[1].current_rev, BUILDTOOLS_OLD_REV)
-    self.assertEquals(changed_deps[1].new_rev, BUILDTOOLS_NEW_REV)
-
-  def testCalculateChangedDepsLegacy(self):
-    old_cr_deps = ParseLocalDepsFile(self._old_cr_depsfile)
-    new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile)
-    changed_deps = CalculateChangedDepsProper(old_cr_deps, new_cr_deps)
-    self.assertEquals(len(changed_deps), 1)
-    self.assertEquals(changed_deps[0].path, 'src/buildtools')
-    self.assertEquals(changed_deps[0].current_rev, BUILDTOOLS_OLD_REV)
-    self.assertEquals(changed_deps[0].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()