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Viewing changes to bzrlib/selftest/testmerge.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-09 06:49:00 UTC
  • Revision ID: mbp@sourcefrog.net-20050309064900-74935ffb7350b24b
import more files from baz

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bzrlib/selftest/testmerge.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.selftest import TestCaseInTempDir
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from bzrlib.merge import merge
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from bzrlib.errors import UnrelatedBranches, NoCommits
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from bzrlib.revision import common_ancestor
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from bzrlib.fetch import fetch
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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(".")
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        commit(br, "lala!")
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        self.assertEquals(len(br.pending_merges()), 0)
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        merge(['.', -1], [None, None])
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        self.assertEquals(len(br.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('.')
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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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        merge(['branch2', -1], ['branch2', 0])
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        self.assertEquals(len(br1.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), last)