Reland "Make gclient ready for the Blink (DEPS to main project)"

testing_support/fake_repos.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Generate fake repositories for testing."""
 
 import atexit
 import datetime
 import errno
@@ skipping 810 matching lines @@
     self._commit_git('repo_2', {
         'DEPS': self.DEPS_git_pre % {'git_base': self.git_base},
         'myfile': 'svn/trunk/src@1'
     })
     self._commit_git('repo_2', {
         'DEPS': self.DEPS_post % {'git_base': self.git_base},
         'myfile': 'svn/trunk/src@2'
     })
 
 
+class FakeRepoBlinkDEPS(FakeReposBase):
+  """Simulates the Blink DEPS transition in Chrome."""
+
+  NB_GIT_REPOS = 2
+  DEPS_pre = 'deps = {"src/third_party/WebKit": "%(git_base)srepo_2",}'
+  DEPS_post = 'deps = {}'
+
+  def populateGit(self):
+    # Blink repo.
+    self._commit_git('repo_2', {
+        'OWNERS': 'OWNERS-pre',
+        'Source/exists_always': '_ignored_',
+        'Source/exists_before_but_not_after': '_ignored_',
+    })
+
+    # Chrome repo.
+    self._commit_git('repo_1', {
+        'DEPS': self.DEPS_pre % {'git_base': self.git_base},
+        'myfile': 'myfile@1',
+        '.gitignore': '/third_party/WebKit',
+    })
+    self._commit_git('repo_1', {
+        'DEPS': self.DEPS_post % {'git_base': self.git_base},
+        'myfile': 'myfile@2',
+        '.gitignore': '',
+        'third_party/WebKit/OWNERS': 'OWNERS-post',
+        'third_party/WebKit/Source/exists_always': '_ignored_',
+        'third_party/WebKit/Source/exists_after_but_not_before': '_ignored',
+    })
+
+  def populateSvn(self):
+    raise NotImplementedError()
+
+
 class FakeReposTestBase(trial_dir.TestCase):
   """This is vaguely inspired by twisted."""
   # Static FakeRepos instances. Lazy loaded.
   CACHED_FAKE_REPOS = {}
   # Override if necessary.
   FAKE_REPOS_CLASS = FakeRepos
 
   def setUp(self):
     super(FakeReposTestBase, self).setUp()
     if not self.FAKE_REPOS_CLASS in self.CACHED_FAKE_REPOS:
@@ skipping 88 matching lines @@
     fake.set_up_git()
     print('Fake setup, press enter to quit or Ctrl-C to keep the checkouts.')
     sys.stdin.readline()
   except KeyboardInterrupt:
     trial_dir.TrialDir.SHOULD_LEAK.leak = True
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))