blob: ea12d16c27127d382bc771422adc4a8d46ee5f0c [file] [log] [blame]
#!/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_rebase_update.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 GitRebaseUpdateTest(git_test_utils.GitRepoReadWriteTestBase):
REPO_SCHEMA = """
A B C D E F G
B H I J K
J L
"""
@classmethod
def getRepoContent(cls, commit):
# Every commit X gets a file X with the content X
return {commit: {'data': commit}}
@classmethod
def setUpClass(cls):
super(GitRebaseUpdateTest, cls).setUpClass()
import git_rebase_update, git_new_branch, git_reparent_branch, git_common
import git_rename_branch
cls.reup = git_rebase_update
cls.rp = git_reparent_branch
cls.nb = git_new_branch
cls.mv = git_rename_branch
cls.gc = git_common
cls.gc.TEST_MODE = True
def setUp(self):
super(GitRebaseUpdateTest, self).setUp()
# Include branch_K, branch_L to make sure that ABCDEFG all get the
# same commit hashes as self.repo. Otherwise they get committed with the
# wrong timestamps, due to commit ordering.
# TODO(iannucci): Make commit timestamps deterministic in left to right, top
# to bottom order, not in lexi-topographical order.
origin_schema = git_test_utils.GitRepoSchema("""
A B C D E F G M N O
B H I J K
J L
""", self.getRepoContent)
self.origin = origin_schema.reify()
self.origin.git('checkout', 'master')
self.origin.git('branch', '-d', *['branch_'+l for l in 'KLG'])
self.repo.git('remote', 'add', 'origin', self.origin.repo_path)
self.repo.git('config', '--add', 'remote.origin.fetch',
'+refs/tags/*:refs/tags/*')
self.repo.git('update-ref', 'refs/remotes/origin/master', 'tag_E')
self.repo.git('branch', '--set-upstream-to', 'branch_G', 'branch_K')
self.repo.git('branch', '--set-upstream-to', 'branch_K', 'branch_L')
self.repo.git('branch', '--set-upstream-to', 'origin/master', 'branch_G')
self.repo.to_schema_refs += ['origin/master']
def tearDown(self):
self.origin.nuke()
super(GitRebaseUpdateTest, self).tearDown()
def testRebaseUpdate(self):
self.repo.git('checkout', 'branch_K')
self.repo.run(self.nb.main, ['foobar'])
self.assertEqual(self.repo.git('rev-parse', 'HEAD').stdout,
self.repo.git('rev-parse', 'origin/master').stdout)
with self.repo.open('foobar', 'w') as f:
f.write('this is the foobar file')
self.repo.git('add', 'foobar')
self.repo.git_commit('foobar1')
with self.repo.open('foobar', 'w') as f:
f.write('totes the Foobar file')
self.repo.git_commit('foobar2')
self.repo.git('checkout', 'branch_K')
self.repo.run(self.nb.main, ['--upstream-current', 'sub_K'])
with self.repo.open('K', 'w') as f:
f.write('This depends on K')
self.repo.git_commit('sub_K')
self.repo.run(self.nb.main, ['old_branch'])
self.repo.git('reset', '--hard', self.repo['A'])
with self.repo.open('old_file', 'w') as f:
f.write('old_files we want to keep around')
self.repo.git('add', 'old_file')
self.repo.git_commit('old_file')
self.repo.git('config', 'branch.old_branch.dormant', 'true')
self.repo.git('checkout', 'origin/master')
self.assertSchema("""
A B H I J K sub_K
J L
B C D E foobar1 foobar2
E F G
A old_file
""")
self.assertEquals(self.repo['A'], self.origin['A'])
self.assertEquals(self.repo['E'], self.origin['E'])
with self.repo.open('bob', 'wb') as f:
f.write('testing auto-freeze/thaw')
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('Cannot rebase-update', output)
self.repo.run(self.nb.main, ['empty_branch'])
self.repo.run(self.nb.main, ['--upstream-current', 'empty_branch2'])
self.repo.git('checkout', 'branch_K')
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('Rebasing: branch_G', output)
self.assertIn('Rebasing: branch_K', output)
self.assertIn('Rebasing: branch_L', output)
self.assertIn('Rebasing: foobar', output)
self.assertIn('Rebasing: sub_K', output)
self.assertIn('Deleted branch branch_G', output)
self.assertIn('Deleted branch empty_branch', output)
self.assertIn('Deleted branch empty_branch2', output)
self.assertIn('Reparented branch_K to track origin/master', output)
self.assertSchema("""
A B C D E F G M N O H I J K sub_K
K L
O foobar1 foobar2
A old_file
""")
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('branch_K up-to-date', output)
self.assertIn('branch_L up-to-date', output)
self.assertIn('foobar up-to-date', output)
self.assertIn('sub_K up-to-date', output)
with self.repo.open('bob') as f:
self.assertEquals('testing auto-freeze/thaw', f.read())
self.assertEqual(self.repo.git('status', '--porcelain').stdout, '?? bob\n')
self.repo.git('checkout', 'origin/master')
_, err = self.repo.capture_stdio(self.rp.main, ['foobar'])
self.assertIn('Must be on the branch', err)
self.repo.git('checkout', 'branch_K')
_, err = self.repo.capture_stdio(self.rp.main, ['origin/master'])
self.assertIn('Cannot reparent a branch to its existing parent', err)
output, _ = self.repo.capture_stdio(self.rp.main, ['foobar'])
self.assertIn('Rebasing: branch_K', output)
self.assertIn('Rebasing: sub_K', output)
self.assertIn('Rebasing: branch_L', output)
self.assertSchema("""
A B C D E F G M N O foobar1 foobar2 H I J K L
K sub_K
A old_file
""")
self.repo.git('checkout', 'sub_K')
output, _ = self.repo.capture_stdio(self.rp.main, ['foobar'])
self.assertIn('Squashing failed', output)
self.assertTrue(self.repo.run(self.gc.in_rebase))
self.repo.git('rebase', '--abort')
self.assertIsNone(self.repo.run(self.gc.thaw))
self.assertSchema("""
A B C D E F G M N O foobar1 foobar2 H I J K L
A old_file
K sub_K
""")
self.assertEqual(self.repo.git('status', '--porcelain').stdout, '?? bob\n')
branches = self.repo.run(set, self.gc.branches())
self.assertEqual(branches, {'branch_K', 'master', 'sub_K', 'root_A',
'branch_L', 'old_branch', 'foobar'})
self.repo.git('checkout', 'branch_K')
self.repo.run(self.mv.main, ['special_K'])
branches = self.repo.run(set, self.gc.branches())
self.assertEqual(branches, {'special_K', 'master', 'sub_K', 'root_A',
'branch_L', 'old_branch', 'foobar'})
self.repo.git('checkout', 'origin/master')
_, err = self.repo.capture_stdio(self.mv.main, ['special_K', 'cool branch'])
self.assertIn('fatal: \'cool branch\' is not a valid branch name.', err)
self.repo.run(self.mv.main, ['special_K', 'cool_branch'])
branches = self.repo.run(set, self.gc.branches())
# This check fails with git 2.4 (see crbug.com/487172)
self.assertEqual(branches, {'cool_branch', 'master', 'sub_K', 'root_A',
'branch_L', 'old_branch', 'foobar'})
_, branch_tree = self.repo.run(self.gc.get_branch_tree)
self.assertEqual(branch_tree['sub_K'], 'foobar')
def testRebaseConflicts(self):
# Pretend that branch_L landed
self.origin.git('checkout', 'master')
with self.origin.open('L', 'w') as f:
f.write('L')
self.origin.git('add', 'L')
self.origin.git_commit('L')
# Add a commit to branch_K so that things fail
self.repo.git('checkout', 'branch_K')
with self.repo.open('M', 'w') as f:
f.write('NOPE')
self.repo.git('add', 'M')
self.repo.git_commit('K NOPE')
# Add a commits to branch_L which will work when squashed
self.repo.git('checkout', 'branch_L')
self.repo.git('reset', 'branch_L~')
with self.repo.open('L', 'w') as f:
f.write('NOPE')
self.repo.git('add', 'L')
self.repo.git_commit('L NOPE')
with self.repo.open('L', 'w') as f:
f.write('L')
self.repo.git('add', 'L')
self.repo.git_commit('L YUP')
# start on a branch which will be deleted
self.repo.git('checkout', 'branch_G')
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('branch.branch_K.dormant true', output)
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('Rebase in progress', output)
self.repo.git('checkout', '--theirs', 'M')
self.repo.git('rebase', '--skip')
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('Failed! Attempting to squash', output)
self.assertIn('Deleted branch branch_G', output)
self.assertIn('Deleted branch branch_L', output)
self.assertIn('\'branch_G\' was merged', output)
self.assertIn('checking out \'origin/master\'', output)
def testTrackTag(self):
self.origin.git('tag', 'lkgr', self.origin['M'])
self.repo.git('tag', 'lkgr', self.repo['D'])
self.repo.git('config', 'branch.branch_G.remote', '.')
self.repo.git('config', 'branch.branch_G.merge', 'refs/tags/lkgr')
self.assertIn(
'fatal: \'foo bar\' is not a valid branch name',
self.repo.capture_stdio(self.nb.main, ['--lkgr', 'foo bar'])[1])
self.repo.run(self.nb.main, ['--lkgr', 'foobar'])
with self.repo.open('foobar', 'w') as f:
f.write('this is the foobar file')
self.repo.git('add', 'foobar')
self.repo.git_commit('foobar1')
with self.repo.open('foobar', 'w') as f:
f.write('totes the Foobar file')
self.repo.git_commit('foobar2')
self.assertSchema("""
A B H I J K
J L
B C D E F G
D foobar1 foobar2
""")
self.assertEquals(self.repo['A'], self.origin['A'])
self.assertEquals(self.repo['G'], self.origin['G'])
output, _ = self.repo.capture_stdio(self.reup.main)
self.assertIn('Fetching', output)
self.assertIn('Rebasing: branch_G', output)
self.assertIn('Rebasing: branch_K', output)
self.assertIn('Rebasing: branch_L', output)
self.assertIn('Rebasing: foobar', output)
self.assertEquals(self.repo.git('rev-parse', 'lkgr').stdout.strip(),
self.origin['M'])
self.assertSchema("""
A B C D E F G M N O
M H I J K L
M foobar1 foobar2
""")
_, err = self.repo.capture_stdio(self.rp.main, ['tag F'])
self.assertIn('fatal: invalid reference', err)
output, _ = self.repo.capture_stdio(self.rp.main, ['tag_F'])
self.assertIn('to track tag_F [tag] (was lkgr [tag])', output)
self.assertSchema("""
A B C D E F G M N O
M H I J K L
F foobar1 foobar2
""")
output, _ = self.repo.capture_stdio(self.rp.main, ['--lkgr'])
self.assertIn('to track lkgr [tag] (was tag_F [tag])', output)
self.assertSchema("""
A B C D E F G M N O
M H I J K L
M foobar1 foobar2
""")
output, _ = self.repo.capture_stdio(self.rp.main, ['--root'])
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
""")
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')
)))