Add git-reup and friends

tests/git_freezer_test.py

-#!/usr/bin/env python
-# Copyright 2014 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.
-
-"""Unit tests for git_freezer.py"""
-
-import os
-import sys
-
-DEPOT_TOOLS_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-sys.path.insert(0, DEPOT_TOOLS_ROOT)
-
-from testing_support import coverage_utils
-from testing_support import git_test_utils
-
-
-class GitFreezeThaw(git_test_utils.GitRepoReadWriteTestBase):
-  @classmethod
-  def setUpClass(cls):
-    super(GitFreezeThaw, cls).setUpClass()
-    import git_freezer
-    cls.gf = git_freezer
-
-  REPO = """
-  A B C D
-    B E D
-  """
-
-  COMMIT_A = {
-    'some/files/file1': {'data': 'file1'},
-    'some/files/file2': {'data': 'file2'},
-    'some/files/file3': {'data': 'file3'},
-    'some/other/file':  {'data': 'otherfile'},
-  }
-
-  COMMIT_C = {
-    'some/files/file2': {
-      'mode': 0755,
-      'data': 'file2 - vanilla'},
-  }
-
-  COMMIT_E = {
-    'some/files/file2': {'data': 'file2 - merged'},
-  }
-
-  COMMIT_D = {
-    'some/files/file2': {'data': 'file2 - vanilla\nfile2 - merged'},
-  }
-
-  def testNothing(self):
-    self.assertIsNotNone(self.repo.run(self.gf.thaw))  # 'Nothing to thaw'
-    self.assertIsNotNone(self.repo.run(self.gf.freeze))  # 'Nothing to freeze'
-
-  def testAll(self):
-    def inner():
-      with open('some/files/file2', 'a') as f2:
-        print >> f2, 'cool appended line'
-      os.mkdir('some/other_files')
-      with open('some/other_files/subdir_file', 'w') as f3:
-        print >> f3, 'new file!'
-      with open('some/files/file5', 'w') as f5:
-        print >> f5, 'New file!1!one!'
-
-      STATUS_1 = '\n'.join((
-        ' M some/files/file2',
-        'A  some/files/file5',
-        '?? some/other_files/'
-      )) + '\n'
-
-      self.repo.git('add', 'some/files/file5')
-
-      # Freeze group 1
-      self.assertEquals(self.repo.git('status', '--porcelain').stdout, STATUS_1)
-      self.assertIsNone(self.gf.freeze())
-      self.assertEquals(self.repo.git('status', '--porcelain').stdout, '')
-
-      # Freeze group 2
-      with open('some/files/file2', 'a') as f2:
-        print >> f2, 'new! appended line!'
-      self.assertEquals(self.repo.git('status', '--porcelain').stdout,
-                        ' M some/files/file2\n')
-      self.assertIsNone(self.gf.freeze())
-      self.assertEquals(self.repo.git('status', '--porcelain').stdout, '')
-
-      # Thaw it out!
-      self.assertIsNone(self.gf.thaw())
-      self.assertIsNotNone(self.gf.thaw())  # One thaw should thaw everything
-
-      self.assertEquals(self.repo.git('status', '--porcelain').stdout, STATUS_1)
-
-    self.repo.run(inner)
-
-
-
-if __name__ == '__main__':
-  sys.exit(coverage_utils.covered_main(
-    os.path.join(DEPOT_TOOLS_ROOT, 'git_freezer.py')
-  ))