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			406 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
			
		
		
	
	
			406 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
#!/usr/bin/env python
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Unit tests for git_rebase_update.py"""
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import os
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import sys
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DEPOT_TOOLS_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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sys.path.insert(0, DEPOT_TOOLS_ROOT)
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from testing_support import coverage_utils
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from testing_support import git_test_utils
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class GitRebaseUpdateTest(git_test_utils.GitRepoReadWriteTestBase):
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  REPO_SCHEMA = """
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  A B C D E F G
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    B H I J K
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          J L
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  """
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  @classmethod
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  def getRepoContent(cls, commit):
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    # Every commit X gets a file X with the content X
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    return {commit: {'data': commit}}
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  @classmethod
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  def setUpClass(cls):
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    super(GitRebaseUpdateTest, cls).setUpClass()
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    import git_rebase_update, git_new_branch, git_reparent_branch, git_common
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    import git_rename_branch
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    cls.reup = git_rebase_update
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    cls.rp = git_reparent_branch
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    cls.nb = git_new_branch
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    cls.mv = git_rename_branch
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    cls.gc = git_common
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    cls.gc.TEST_MODE = True
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  def setUp(self):
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    super(GitRebaseUpdateTest, self).setUp()
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    # Include branch_K, branch_L to make sure that ABCDEFG all get the
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    # same commit hashes as self.repo. Otherwise they get committed with the
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    # wrong timestamps, due to commit ordering.
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    # TODO(iannucci): Make commit timestamps deterministic in left to right, top
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    #                 to bottom order, not in lexi-topographical order.
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    origin_schema = git_test_utils.GitRepoSchema("""
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    A B C D E F G M N O
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      B H I J K
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            J L
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    """, self.getRepoContent)
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    self.origin = origin_schema.reify()
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    self.origin.git('checkout', 'master')
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    self.origin.git('branch', '-d', *['branch_'+l for l in 'KLG'])
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    self.repo.git('remote', 'add', 'origin', self.origin.repo_path)
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    self.repo.git('config', '--add', 'remote.origin.fetch',
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                  '+refs/tags/*:refs/tags/*')
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    self.repo.git('update-ref', 'refs/remotes/origin/master', 'tag_E')
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    self.repo.git('branch', '--set-upstream-to', 'branch_G', 'branch_K')
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    self.repo.git('branch', '--set-upstream-to', 'branch_K', 'branch_L')
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    self.repo.git('branch', '--set-upstream-to', 'origin/master', 'branch_G')
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    self.repo.to_schema_refs += ['origin/master']
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  def tearDown(self):
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    self.origin.nuke()
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    super(GitRebaseUpdateTest, self).tearDown()
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  def testRebaseUpdate(self):
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    self.repo.git('checkout', 'branch_K')
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    self.repo.run(self.nb.main, ['foobar'])
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    self.assertEqual(self.repo.git('rev-parse', 'HEAD').stdout,
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                     self.repo.git('rev-parse', 'origin/master').stdout)
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    with self.repo.open('foobar', 'w') as f:
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      f.write('this is the foobar file')
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    self.repo.git('add', 'foobar')
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    self.repo.git_commit('foobar1')
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    with self.repo.open('foobar', 'w') as f:
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      f.write('totes the Foobar file')
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    self.repo.git_commit('foobar2')
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    self.repo.run(self.nb.main, ['--upstream-current', 'int1_foobar'])
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    self.repo.run(self.nb.main, ['--upstream-current', 'int2_foobar'])
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    self.repo.run(self.nb.main, ['--upstream-current', 'sub_foobar'])
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    with self.repo.open('foobar', 'w') as f:
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        f.write('some more foobaring')
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    self.repo.git('add', 'foobar')
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    self.repo.git_commit('foobar3')
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    self.repo.git('checkout', 'branch_K')
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    self.repo.run(self.nb.main, ['--upstream-current', 'sub_K'])
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    with self.repo.open('K', 'w') as f:
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      f.write('This depends on K')
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    self.repo.git_commit('sub_K')
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    self.repo.run(self.nb.main, ['old_branch'])
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    self.repo.git('reset', '--hard', self.repo['A'])
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    with self.repo.open('old_file', 'w') as f:
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      f.write('old_files we want to keep around')
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    self.repo.git('add', 'old_file')
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    self.repo.git_commit('old_file')
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    self.repo.git('config', 'branch.old_branch.dormant', 'true')
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    self.repo.git('checkout', 'origin/master')
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    self.assertSchema("""
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    A B H I J K sub_K
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            J L
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      B C D E foobar1 foobar2 foobar3
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            E F G
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    A old_file
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    """)
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    self.assertEquals(self.repo['A'], self.origin['A'])
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    self.assertEquals(self.repo['E'], self.origin['E'])
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    with self.repo.open('bob', 'wb') as f:
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      f.write('testing auto-freeze/thaw')
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('Cannot rebase-update', output)
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    self.repo.run(self.nb.main, ['empty_branch'])
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    self.repo.run(self.nb.main, ['--upstream-current', 'empty_branch2'])
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    self.repo.git('checkout', 'branch_K')
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('Rebasing: branch_G', output)
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    self.assertIn('Rebasing: branch_K', output)
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    self.assertIn('Rebasing: branch_L', output)
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    self.assertIn('Rebasing: foobar', output)
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    self.assertIn('Rebasing: sub_K', output)
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    self.assertIn('Deleted branch branch_G', output)
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    self.assertIn('Deleted branch empty_branch', output)
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    self.assertIn('Deleted branch empty_branch2', output)
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    self.assertIn('Deleted branch int1_foobar', output)
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    self.assertIn('Deleted branch int2_foobar', output)
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    self.assertIn('Reparented branch_K to track origin/master', output)
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    self.assertIn('Reparented sub_foobar to track foobar', output)
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    self.assertSchema("""
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    A B C D E F G M N O H I J K sub_K
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                              K L
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                      O foobar1 foobar2 foobar3
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    A old_file
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    """)
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('branch_K up-to-date', output)
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    self.assertIn('branch_L up-to-date', output)
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    self.assertIn('foobar up-to-date', output)
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    self.assertIn('sub_K up-to-date', output)
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    with self.repo.open('bob') as f:
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      self.assertEquals('testing auto-freeze/thaw', f.read())
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    self.assertEqual(self.repo.git('status', '--porcelain').stdout, '?? bob\n')
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    self.repo.git('checkout', 'origin/master')
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    _, err = self.repo.capture_stdio(self.rp.main, [])
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    self.assertIn('Must specify new parent somehow', err)
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    _, err = self.repo.capture_stdio(self.rp.main, ['foobar'])
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    self.assertIn('Must be on the branch', err)
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    self.repo.git('checkout', 'branch_K')
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    _, err = self.repo.capture_stdio(self.rp.main, ['origin/master'])
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    self.assertIn('Cannot reparent a branch to its existing parent', err)
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    output, _ = self.repo.capture_stdio(self.rp.main, ['foobar'])
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    self.assertIn('Rebasing: branch_K', output)
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    self.assertIn('Rebasing: sub_K', output)
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    self.assertIn('Rebasing: branch_L', output)
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    self.assertSchema("""
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    A B C D E F G M N O foobar1 foobar2 H I J K L
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                                foobar2 foobar3
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                                              K sub_K
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    A old_file
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    """)
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    self.repo.git('checkout', 'sub_K')
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    output, _ = self.repo.capture_stdio(self.rp.main, ['foobar'])
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    self.assertIn('Squashing failed', output)
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    self.assertTrue(self.repo.run(self.gc.in_rebase))
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    self.repo.git('rebase', '--abort')
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    self.assertIsNone(self.repo.run(self.gc.thaw))
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    self.assertSchema("""
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    A B C D E F G M N O foobar1 foobar2 H I J K L
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                                foobar2 foobar3
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    A old_file
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                                              K sub_K
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    """)
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    self.assertEqual(self.repo.git('status', '--porcelain').stdout, '?? bob\n')
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    branches = self.repo.run(set, self.gc.branches())
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    self.assertEqual(branches, {'branch_K', 'master', 'sub_K', 'root_A',
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                                'branch_L', 'old_branch', 'foobar',
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                                'sub_foobar'})
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    self.repo.git('checkout', 'branch_K')
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    self.repo.run(self.mv.main, ['special_K'])
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    branches = self.repo.run(set, self.gc.branches())
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    self.assertEqual(branches, {'special_K', 'master', 'sub_K', 'root_A',
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                                'branch_L', 'old_branch', 'foobar',
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                                'sub_foobar'})
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    self.repo.git('checkout', 'origin/master')
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    _, err = self.repo.capture_stdio(self.mv.main, ['special_K', 'cool branch'])
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    self.assertIn('fatal: \'cool branch\' is not a valid branch name.', err)
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    self.repo.run(self.mv.main, ['special_K', 'cool_branch'])
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    branches = self.repo.run(set, self.gc.branches())
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    # This check fails with git 2.4 (see crbug.com/487172)
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    self.assertEqual(branches, {'cool_branch', 'master', 'sub_K', 'root_A',
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                                'branch_L', 'old_branch', 'foobar',
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                                'sub_foobar'})
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    _, branch_tree = self.repo.run(self.gc.get_branch_tree)
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    self.assertEqual(branch_tree['sub_K'], 'foobar')
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  def testRebaseConflicts(self):
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    # Pretend that branch_L landed
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    self.origin.git('checkout', 'master')
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    with self.origin.open('L', 'w') as f:
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      f.write('L')
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    self.origin.git('add', 'L')
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    self.origin.git_commit('L')
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    # Add a commit to branch_K so that things fail
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    self.repo.git('checkout', 'branch_K')
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    with self.repo.open('M', 'w') as f:
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      f.write('NOPE')
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    self.repo.git('add', 'M')
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    self.repo.git_commit('K NOPE')
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    # Add a commits to branch_L which will work when squashed
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    self.repo.git('checkout', 'branch_L')
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    self.repo.git('reset', 'branch_L~')
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    with self.repo.open('L', 'w') as f:
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      f.write('NOPE')
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    self.repo.git('add', 'L')
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    self.repo.git_commit('L NOPE')
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    with self.repo.open('L', 'w') as f:
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      f.write('L')
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    self.repo.git('add', 'L')
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    self.repo.git_commit('L YUP')
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    # start on a branch which will be deleted
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    self.repo.git('checkout', 'branch_G')
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('branch.branch_K.dormant true', output)
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('Rebase in progress', output)
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    self.repo.git('checkout', '--theirs', 'M')
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    self.repo.git('rebase', '--skip')
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    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('Failed! Attempting to squash', output)
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    self.assertIn('Deleted branch branch_G', output)
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    self.assertIn('Deleted branch branch_L', output)
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    self.assertIn('\'branch_G\' was merged', output)
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    self.assertIn('checking out \'origin/master\'', output)
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  def testRebaseConflictsKeepGoing(self):
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    # Pretend that branch_L landed
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    self.origin.git('checkout', 'master')
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    with self.origin.open('L', 'w') as f:
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      f.write('L')
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    self.origin.git('add', 'L')
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    self.origin.git_commit('L')
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    # Add a commit to branch_K so that things fail
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    self.repo.git('checkout', 'branch_K')
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    with self.repo.open('M', 'w') as f:
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      f.write('NOPE')
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    self.repo.git('add', 'M')
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    self.repo.git_commit('K NOPE')
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    # Add a commits to branch_L which will work when squashed
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    self.repo.git('checkout', 'branch_L')
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    self.repo.git('reset', 'branch_L~')
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    with self.repo.open('L', 'w') as f:
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      f.write('NOPE')
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    self.repo.git('add', 'L')
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    self.repo.git_commit('L NOPE')
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    with self.repo.open('L', 'w') as f:
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      f.write('L')
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    self.repo.git('add', 'L')
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    self.repo.git_commit('L YUP')
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    # start on a branch which will be deleted
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    self.repo.git('checkout', 'branch_G')
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    self.repo.git('config', 'branch.branch_K.dormant', 'false')
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    output, _ = self.repo.capture_stdio(self.reup.main, ['-k'])
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    self.assertIn('--keep-going set, continuing with next branch.', output)
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    self.assertIn('could not be cleanly rebased:', output)
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    self.assertIn('  branch_K', output)
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  def testTrackTag(self):
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    self.origin.git('tag', 'lkgr', self.origin['M'])
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    self.repo.git('tag', 'lkgr', self.repo['D'])
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    self.repo.git('config', 'branch.branch_G.remote', '.')
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    self.repo.git('config', 'branch.branch_G.merge', 'refs/tags/lkgr')
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    self.assertIn(
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        'fatal: \'foo bar\' is not a valid branch name',
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        self.repo.capture_stdio(self.nb.main, ['--lkgr', 'foo bar'])[1])
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    self.repo.run(self.nb.main, ['--lkgr', 'foobar'])
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						|
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    with self.repo.open('foobar', 'w') as f:
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      f.write('this is the foobar file')
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    self.repo.git('add', 'foobar')
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    self.repo.git_commit('foobar1')
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						|
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    with self.repo.open('foobar', 'w') as f:
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      f.write('totes the Foobar file')
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    self.repo.git_commit('foobar2')
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						|
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						|
    self.assertSchema("""
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    A B H I J K
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            J L
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      B C D E F G
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          D foobar1 foobar2
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    """)
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						|
    self.assertEquals(self.repo['A'], self.origin['A'])
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    self.assertEquals(self.repo['G'], self.origin['G'])
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						|
    output, _ = self.repo.capture_stdio(self.reup.main)
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    self.assertIn('Fetching', output)
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						|
    self.assertIn('Rebasing: branch_G', output)
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						|
    self.assertIn('Rebasing: branch_K', output)
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						|
    self.assertIn('Rebasing: branch_L', output)
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						|
    self.assertIn('Rebasing: foobar', output)
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						|
    self.assertEquals(self.repo.git('rev-parse', 'lkgr').stdout.strip(),
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                      self.origin['M'])
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    self.assertSchema("""
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    A B C D E F G M N O
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                  M H I J K L
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                  M foobar1 foobar2
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    """)
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    _, err = self.repo.capture_stdio(self.rp.main, ['tag F'])
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    self.assertIn('fatal: invalid reference', err)
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    output, _ = self.repo.capture_stdio(self.rp.main, ['tag_F'])
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    self.assertIn('to track tag_F [tag] (was lkgr [tag])', output)
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    self.assertSchema("""
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    A B C D E F G M N O
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                  M H I J K L
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              F foobar1 foobar2
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    """)
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    output, _ = self.repo.capture_stdio(self.rp.main, ['--lkgr'])
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    self.assertIn('to track lkgr [tag] (was tag_F [tag])', output)
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    self.assertSchema("""
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						|
    A B C D E F G M N O
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                  M H I J K L
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						|
                  M foobar1 foobar2
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    """)
 | 
						|
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    output, _ = self.repo.capture_stdio(self.rp.main, ['--root'])
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    self.assertIn('to track origin/master (was lkgr [tag])', output)
 | 
						|
 | 
						|
    self.assertSchema("""
 | 
						|
    A B C D E F G M N O foobar1 foobar2
 | 
						|
                  M H I J K L
 | 
						|
    """)
 | 
						|
 | 
						|
  def testReparentBranchWithoutUpstream(self):
 | 
						|
    self.repo.git('branch', 'nerp')
 | 
						|
    self.repo.git('checkout', 'nerp')
 | 
						|
 | 
						|
    _, err = self.repo.capture_stdio(self.rp.main, ['branch_K'])
 | 
						|
 | 
						|
    self.assertIn('Unable to determine nerp@{upstream}', err)
 | 
						|
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
  sys.exit(coverage_utils.covered_main((
 | 
						|
    os.path.join(DEPOT_TOOLS_ROOT, 'git_rebase_update.py'),
 | 
						|
    os.path.join(DEPOT_TOOLS_ROOT, 'git_new_branch.py'),
 | 
						|
    os.path.join(DEPOT_TOOLS_ROOT, 'git_reparent_branch.py'),
 | 
						|
    os.path.join(DEPOT_TOOLS_ROOT, 'git_rename_branch.py')
 | 
						|
  )))
 |