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Viewing changes to bzrlib/selftest/testmerge.py

  • Committer: Robert Collins
  • Date: 2005-10-09 23:42:12 UTC
  • Revision ID: robertc@robertcollins.net-20051009234212-7973344d900afb0b
merge in niemeyers prefixed-store patch

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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)