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tests/test_branch.py
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"""Tests for interfacing with a Git Branch"""
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import subprocess
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from bzrlib import branch
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from bzrlib.plugins.git import tests
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from bzrlib.plugins.git.gitlib import git_branch
 
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from bzrlib import revision
 
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from bzrlib.branch import Branch
 
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from bzrlib.plugins.git import (
 
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    branch,
 
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    tests,
 
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    )
 
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from bzrlib.plugins.git.mapping import default_mapping
 
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from bzrlib.plugins.git import git
 
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class TestGitBranch(tests.TestCaseInTempDir):
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    _test_needs_features = [tests.GitCommandFeature]
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    def test_open_existing(self):
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        p = subprocess.Popen(['git', 'init'],
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                             stdout=subprocess.PIPE,
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                             stderr=subprocess.PIPE)
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        p.communicate()
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        gd = branch.Branch.open('.')
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        self.assertIsInstance(gd, git_branch.GitBranch)
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        tests.run_git('init')
 
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        thebranch = Branch.open('.')
 
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        self.assertIsInstance(thebranch, branch.GitBranch)
 
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    def test_last_revision_is_null(self):
 
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        tests.run_git('init')
 
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        thebranch = Branch.open('.')
 
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        self.assertEqual(revision.NULL_REVISION, thebranch.last_revision())
 
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        self.assertEqual((0, revision.NULL_REVISION),
 
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                         thebranch.last_revision_info())
 
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    def simple_commit_a(self):
 
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        tests.run_git('init')
 
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        self.build_tree(['a'])
 
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        tests.run_git('add', 'a')
 
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        tests.run_git('commit', '-m', 'a')
 
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    def test_last_revision_is_valid(self):
 
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        self.simple_commit_a()
 
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        head = tests.run_git('rev-parse', 'HEAD').strip()
 
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        thebranch = Branch.open('.')
 
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        self.assertEqual(default_mapping.revision_id_foreign_to_bzr(head),
 
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                         thebranch.last_revision())
 
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    def test_revision_history(self):
 
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        self.simple_commit_a()
 
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        reva = tests.run_git('rev-parse', 'HEAD').strip()
 
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        self.build_tree(['b'])
 
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        tests.run_git('add', 'b')
 
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        tests.run_git('commit', '-m', 'b')
 
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        revb = tests.run_git('rev-parse', 'HEAD').strip()
 
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        thebranch = Branch.open('.')
 
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        self.assertEqual([default_mapping.revision_id_foreign_to_bzr(r) for r in (reva, revb)],
 
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                         thebranch.revision_history())
 
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    def test_tags(self):
 
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        self.simple_commit_a()
 
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        reva = tests.run_git('rev-parse', 'HEAD').strip()
 
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        tests.run_git('tag', '-a', '-m', 'add tag', 'foo')
 
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        newid = open('.git/refs/tags/foo').read().rstrip()
 
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        thebranch = Branch.open('.')
 
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        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(newid)},
 
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                          thebranch.tags.get_tag_dict())
 
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class TestWithGitBranch(tests.TestCaseWithTransport):
 
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    def setUp(self):
 
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        tests.TestCaseWithTransport.setUp(self)
 
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        git.repo.Repo.create(self.test_dir)
 
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        self.git_branch = Branch.open(self.test_dir)
 
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    def test_get_parent(self):
 
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        self.assertIs(None, self.git_branch.get_parent())
 
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    def test_get_stacked_on_url(self):
 
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        self.assertIs(None, self.git_branch.get_stacked_on_url())
 
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    def test_get_physical_lock_status(self):
 
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        self.assertFalse(self.git_branch.get_physical_lock_status())
 
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class TestGitBranchFormat(tests.TestCase):
 
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    def setUp(self):
 
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        super(TestGitBranchFormat, self).setUp()
 
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        self.format = branch.GitBranchFormat()
 
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    def test_get_format_description(self):
 
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        self.assertEquals("Git Branch", self.format.get_format_description())