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			247 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			Python
		
	
			
		
		
	
	
			247 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			Python
		
	
#!/usr/bin/env vpython3
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# Copyright (c) 2012 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 scm.py."""
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import logging
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import os
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import sys
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import unittest
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if sys.version_info.major == 2:
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  import mock
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else:
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  from unittest import mock
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from testing_support import fake_repos
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import scm
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import subprocess2
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def callError(code=1, cmd='', cwd='', stdout=b'', stderr=b''):
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  return subprocess2.CalledProcessError(code, cmd, cwd, stdout, stderr)
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class GitWrapperTestCase(unittest.TestCase):
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  def setUp(self):
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    super(GitWrapperTestCase, self).setUp()
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    self.root_dir = '/foo/bar'
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  @mock.patch('scm.GIT.Capture')
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  def testGetEmail(self, mockCapture):
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    mockCapture.return_value = 'mini@me.com'
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    self.assertEqual(scm.GIT.GetEmail(self.root_dir), 'mini@me.com')
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    mockCapture.assert_called_with(['config', 'user.email'], cwd=self.root_dir)
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  @mock.patch('scm.GIT.Capture')
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  def testAssertVersion(self, mockCapture):
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    cases = [
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        ('1.7', True),
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        ('1.7.9', True),
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        ('1.7.9.foo-bar-baz', True),
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        ('1.8', True),
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        ('1.6.9', False),
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    ]
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    for expected_version, expected_ok in cases:
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      class GIT(scm.GIT):
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        pass
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      mockCapture.return_value = 'git version ' + expected_version
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      ok, version = GIT.AssertVersion('1.7')
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      self.assertEqual(expected_ok, ok)
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      self.assertEqual(expected_version, version)
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  def testRefToRemoteRef(self):
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    remote = 'origin'
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    refs = {
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        'refs/branch-heads/1234': ('refs/remotes/branch-heads/', '1234'),
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        # local refs for upstream branch
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        'refs/remotes/%s/foobar' % remote: ('refs/remotes/%s/' % remote,
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                                            'foobar'),
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        '%s/foobar' % remote: ('refs/remotes/%s/' % remote, 'foobar'),
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        # upstream ref for branch
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        'refs/heads/foobar': ('refs/remotes/%s/' % remote, 'foobar'),
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        # could be either local or upstream ref, assumed to refer to
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        # upstream, but probably don't want to encourage refs like this.
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        'heads/foobar': ('refs/remotes/%s/' % remote, 'foobar'),
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        # underspecified, probably intended to refer to a local branch
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        'foobar': None,
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        # tags and other refs
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        'refs/tags/TAG': None,
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        'refs/changes/34/1234': None,
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    }
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    for k, v in refs.items():
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      r = scm.GIT.RefToRemoteRef(k, remote)
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      self.assertEqual(r, v, msg='%s -> %s, expected %s' % (k, r, v))
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  def testRemoteRefToRef(self):
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    remote = 'origin'
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    refs = {
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        'refs/remotes/branch-heads/1234': 'refs/branch-heads/1234',
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        # local refs for upstream branch
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        'refs/remotes/origin/foobar': 'refs/heads/foobar',
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        # tags and other refs
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        'refs/tags/TAG': 'refs/tags/TAG',
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        'refs/changes/34/1234': 'refs/changes/34/1234',
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        # different remote
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        'refs/remotes/other-remote/foobar': None,
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        # underspecified, probably intended to refer to a local branch
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        'heads/foobar': None,
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        'origin/foobar': None,
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        'foobar': None,
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        None: None,
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      }
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    for k, v in refs.items():
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      r = scm.GIT.RemoteRefToRef(k, remote)
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      self.assertEqual(r, v, msg='%s -> %s, expected %s' % (k, r, v))
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class RealGitTest(fake_repos.FakeReposTestBase):
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  def setUp(self):
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    super(RealGitTest, self).setUp()
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    self.enabled = self.FAKE_REPOS.set_up_git()
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    if self.enabled:
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      self.cwd = scm.os.path.join(self.FAKE_REPOS.git_base, 'repo_1')
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    else:
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      self.skipTest('git fake repos not available')
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  def testResolveCommit(self):
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    self.assertIsNone(scm.GIT.ResolveCommit(self.cwd, 'zebra'))
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    self.assertIsNone(scm.GIT.ResolveCommit(self.cwd, 'r123456'))
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    first_rev = self.githash('repo_1', 1)
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    self.assertEqual(first_rev, scm.GIT.ResolveCommit(self.cwd, first_rev))
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    self.assertEqual(
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        self.githash('repo_1', 2), scm.GIT.ResolveCommit(self.cwd, 'HEAD'))
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  def testIsValidRevision(self):
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    # Sha1's are [0-9a-z]{32}, so starting with a 'z' or 'r' should always fail.
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    self.assertFalse(scm.GIT.IsValidRevision(cwd=self.cwd, rev='zebra'))
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    self.assertFalse(scm.GIT.IsValidRevision(cwd=self.cwd, rev='r123456'))
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    # Valid cases
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    first_rev = self.githash('repo_1', 1)
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    self.assertTrue(scm.GIT.IsValidRevision(cwd=self.cwd, rev=first_rev))
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    self.assertTrue(scm.GIT.IsValidRevision(cwd=self.cwd, rev='HEAD'))
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  def testIsAncestor(self):
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    self.assertTrue(scm.GIT.IsAncestor(
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        self.cwd, self.githash('repo_1', 1), self.githash('repo_1', 2)))
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    self.assertFalse(scm.GIT.IsAncestor(
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        self.cwd, self.githash('repo_1', 2), self.githash('repo_1', 1)))
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    self.assertFalse(scm.GIT.IsAncestor(
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        self.cwd, self.githash('repo_1', 1), 'zebra'))
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  def testGetAllFiles(self):
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    self.assertEqual(['DEPS','origin'], scm.GIT.GetAllFiles(self.cwd))
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  def testGetSetConfig(self):
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    key = 'scm.test-key'
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    self.assertIsNone(scm.GIT.GetConfig(self.cwd, key))
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    self.assertEqual(
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        'default-value', scm.GIT.GetConfig(self.cwd, key, 'default-value'))
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    scm.GIT.SetConfig(self.cwd, key, 'set-value')
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    self.assertEqual('set-value', scm.GIT.GetConfig(self.cwd, key))
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    self.assertEqual(
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        'set-value', scm.GIT.GetConfig(self.cwd, key, 'default-value'))
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    scm.GIT.SetConfig(self.cwd, key)
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    self.assertIsNone(scm.GIT.GetConfig(self.cwd, key))
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    self.assertEqual(
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        'default-value', scm.GIT.GetConfig(self.cwd, key, 'default-value'))
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  def testGetSetBranchConfig(self):
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    branch = scm.GIT.GetBranch(self.cwd)
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    key = 'scm.test-key'
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    self.assertIsNone(scm.GIT.GetBranchConfig(self.cwd, branch, key))
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    self.assertEqual(
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        'default-value',
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        scm.GIT.GetBranchConfig(self.cwd, branch, key, 'default-value'))
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    scm.GIT.SetBranchConfig(self.cwd, branch, key, 'set-value')
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    self.assertEqual(
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        'set-value', scm.GIT.GetBranchConfig(self.cwd, branch, key))
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    self.assertEqual(
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        'set-value',
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        scm.GIT.GetBranchConfig(self.cwd, branch, key, 'default-value'))
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    self.assertEqual(
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        'set-value',
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        scm.GIT.GetConfig(self.cwd, 'branch.%s.%s' % (branch, key)))
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    scm.GIT.SetBranchConfig(self.cwd, branch, key)
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    self.assertIsNone(scm.GIT.GetBranchConfig(self.cwd, branch, key))
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  def testFetchUpstreamTuple_NoUpstreamFound(self):
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    self.assertEqual(
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        (None, None), scm.GIT.FetchUpstreamTuple(self.cwd))
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  @mock.patch('scm.GIT.GetRemoteBranches', return_value=['origin/master'])
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  def testFetchUpstreamTuple_GuessOriginMaster(self, _mockGetRemoteBranches):
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    self.assertEqual(
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        ('origin', 'refs/heads/master'), scm.GIT.FetchUpstreamTuple(self.cwd))
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  def testFetchUpstreamTuple_RietveldUpstreamConfig(self):
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-branch', 'rietveld-upstream')
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-remote', 'rietveld-remote')
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    self.assertEqual(
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        ('rietveld-remote', 'rietveld-upstream'),
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        scm.GIT.FetchUpstreamTuple(self.cwd))
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-branch')
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-remote')
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  @mock.patch('scm.GIT.GetBranch', side_effect=callError())
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  def testFetchUpstreamTuple_NotOnBranch(self, _mockGetBranch):
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-branch', 'rietveld-upstream')
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-remote', 'rietveld-remote')
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    self.assertEqual(
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        ('rietveld-remote', 'rietveld-upstream'),
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        scm.GIT.FetchUpstreamTuple(self.cwd))
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-branch')
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    scm.GIT.SetConfig(self.cwd, 'rietveld.upstream-remote')
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  def testFetchUpstreamTuple_BranchConfig(self):
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    branch = scm.GIT.GetBranch(self.cwd)
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'merge', 'branch-merge')
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'remote', 'branch-remote')
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    self.assertEqual(
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        ('branch-remote', 'branch-merge'), scm.GIT.FetchUpstreamTuple(self.cwd))
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'merge')
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'remote')
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  def testFetchUpstreamTuple_AnotherBranchConfig(self):
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    branch = 'scm-test-branch'
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'merge', 'other-merge')
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'remote', 'other-remote')
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    self.assertEqual(
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        ('other-remote', 'other-merge'),
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        scm.GIT.FetchUpstreamTuple(self.cwd, branch))
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'merge')
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    scm.GIT.SetBranchConfig(self.cwd, branch, 'remote')
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  def testGetBranchRef(self):
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    self.assertEqual('refs/heads/master', scm.GIT.GetBranchRef(self.cwd))
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    HEAD = scm.GIT.Capture(['rev-parse', 'HEAD'], cwd=self.cwd)
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    scm.GIT.Capture(['checkout', HEAD], cwd=self.cwd)
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    self.assertIsNone(scm.GIT.GetBranchRef(self.cwd))
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    scm.GIT.Capture(['checkout', 'master'], cwd=self.cwd)
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  def testGetBranch(self):
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    self.assertEqual('master', scm.GIT.GetBranch(self.cwd))
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    HEAD = scm.GIT.Capture(['rev-parse', 'HEAD'], cwd=self.cwd)
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    scm.GIT.Capture(['checkout', HEAD], cwd=self.cwd)
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    self.assertIsNone(scm.GIT.GetBranchRef(self.cwd))
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    scm.GIT.Capture(['checkout', 'master'], cwd=self.cwd)
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if __name__ == '__main__':
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  if '-v' in sys.argv:
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    logging.basicConfig(level=logging.DEBUG)
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  unittest.main()
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# vim: ts=2:sw=2:tw=80:et:
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