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Viewing changes to bzrlib/tests/test_merge.py

  • Committer: Martin Pool
  • Date: 2005-08-18 05:52:29 UTC
  • Revision ID: mbp@sourcefrog.net-20050818055229-cac46ebce364d04c
- avoid compiling REs at module load time

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bzrlib/tests/test_merge.py
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import os
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from bzrlib.branch import Branch
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from bzrlib.commit import commit
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from bzrlib.tests import TestCaseInTempDir
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from bzrlib.merge import merge, transform_tree
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from bzrlib.errors import UnrelatedBranches, NoCommits, BzrCommandError
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from bzrlib.revision import common_ancestor
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from bzrlib.fetch import fetch
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from bzrlib.osutils import pathjoin
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class TestMerge(TestCaseInTempDir):
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    """Test appending more than one revision"""
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    def test_pending(self):
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        br = Branch.initialize(u".")
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        commit(br, "lala!")
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        self.assertEquals(len(br.working_tree().pending_merges()), 0)
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        merge([u'.', -1], [None, None])
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        self.assertEquals(len(br.working_tree().pending_merges()), 0)
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    def test_nocommits(self):
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        self.test_pending()
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        os.mkdir('branch2')
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        br2 = Branch.initialize('branch2')
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        self.assertRaises(NoCommits, merge, ['branch2', -1], 
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                          [None, None])
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        return br2
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    def test_unrelated(self):
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        br2 = self.test_nocommits()
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        commit(br2, "blah")
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        self.assertRaises(UnrelatedBranches, merge, ['branch2', -1], 
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                          [None, None])
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        return br2
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    def test_pending_with_null(self):
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        """When base is forced to revno 0, pending_merges is set"""
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        br2 = self.test_unrelated()
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        br1 = Branch.open(u'.')
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        fetch(from_branch=br2, to_branch=br1)
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        # merge all of branch 2 into branch 1 even though they 
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        # are not related.
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        self.assertRaises(BzrCommandError, merge, ['branch2', -1], 
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                          ['branch2', 0], reprocess=True, show_base=True)
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        merge(['branch2', -1], ['branch2', 0], reprocess=True)
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        self.assertEquals(len(br1.working_tree().pending_merges()), 1)
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        return (br1, br2)
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    def test_two_roots(self):
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        """Merge base is sane when two unrelated branches are merged"""
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        br1, br2 = self.test_pending_with_null()
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        commit(br1, "blah")
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        last = br1.last_revision()
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        self.assertEquals(common_ancestor(last, last, br1.repository), last)
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    def test_create_rename(self):
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        """Rename an inventory entry while creating the file"""
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        b = Branch.initialize(u'.')
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        file('name1', 'wb').write('Hello')
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        tree = b.working_tree()
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        tree.add('name1')
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        tree.commit(message="hello")
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        tree.rename_one('name1', 'name2')
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        os.unlink('name2')
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        transform_tree(tree, b.basis_tree())
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    def test_layered_rename(self):
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        """Rename both child and parent at same time"""
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        b = Branch.initialize(u'.')
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        tree = b.working_tree()
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        os.mkdir('dirname1')
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        tree.add('dirname1')
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        filename = pathjoin('dirname1', 'name1')
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        file(filename, 'wb').write('Hello')
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        tree.add(filename)
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        tree.commit(message="hello")
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        filename2 = pathjoin('dirname1', 'name2')
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        tree.rename_one(filename, filename2)
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        tree.rename_one('dirname1', 'dirname2')
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        transform_tree(tree, b.basis_tree())