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Viewing changes to bzrlib/selftest/testmerge.py

  • Committer: Robert Collins
  • Date: 2005-10-18 05:26:22 UTC
  • mto: This revision was merged to the branch mainline in revision 1463.
  • Revision ID: robertc@robertcollins.net-20051018052622-653d638c9e26fde4
fix broken tests

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bzrlib/selftest/testmerge.py
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import os
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from StringIO import StringIO
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from bzrlib.branch import Branch
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from bzrlib.builtins import merge
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from bzrlib.commit import commit
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from bzrlib.errors import UnrelatedBranches, NoCommits, BzrCommandError
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from bzrlib.merge import transform_tree, merge_inner
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from bzrlib.osutils import pathjoin
 
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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.tests import TestCaseWithTransport
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from bzrlib.trace import (enable_test_log, disable_test_log)
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from bzrlib.workingtree import WorkingTree
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class TestMerge(TestCaseWithTransport):
 
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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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        wt = self.make_branch_and_tree('.')
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        wt.commit("lala!")
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        self.assertEquals(len(wt.pending_merges()), 0)
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        merge([u'.', -1], [None, None])
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        self.assertEquals(len(wt.pending_merges()), 0)
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    def test_undo(self):
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        wt = self.make_branch_and_tree('.')
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        wt.commit("lala!")
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        wt.commit("haha!")
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        wt.commit("blabla!")
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        merge([u'.', 2], [u'.', 1])
 
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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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        wt2 = self.make_branch_and_tree('branch2')
 
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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 wt2
 
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        return br2
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    def test_unrelated(self):
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        wt2 = self.test_nocommits()
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        wt2.commit("blah")
 
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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 wt2
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    def test_merge_one(self):
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        wt1 = self.make_branch_and_tree('branch1')
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        wt1.commit('empty commit')
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        wt2 = self.make_branch_and_tree('branch2')
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        wt2.pull(wt1.branch)
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        file('branch1/foo', 'wb').write('foo')
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        file('branch1/bar', 'wb').write('bar')
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        wt1.add('foo')
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        wt1.add('bar')
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        wt1.commit('add foobar')
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        os.chdir('branch2')
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        self.run_bzr('merge', '../branch1/baz', retcode=3)
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        self.run_bzr('merge', '../branch1/foo')
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        self.failUnlessExists('foo')
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        self.failIfExists('bar')
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        wt2 = WorkingTree.open_containing('branch2')[0]
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        self.assertEqual(wt2.pending_merges(), [])
 
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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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        wt2 = self.test_unrelated()
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        wt1 = WorkingTree.open('.')
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        br1 = wt1.branch
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        br1.fetch(wt2.branch)
 
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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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        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(wt1.pending_merges()), 1)
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        return (wt1, wt2.branch)
 
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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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        wt1, br2 = self.test_pending_with_null()
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        wt1.commit("blah")
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        last = wt1.branch.last_revision()
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        self.assertEquals(common_ancestor(last, last, wt1.branch.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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        tree =self.make_branch_and_tree('.')
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        file('name1', 'wb').write('Hello')
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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, tree.branch.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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        tree =self.make_branch_and_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, tree.branch.basis_tree())
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    def test_ignore_zero_merge_inner(self):
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        # Test that merge_inner's ignore zero paramter is effective
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        tree_a =self.make_branch_and_tree('a')
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        tree_a.commit(message="hello")
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        dir_b = tree_a.bzrdir.sprout('b')
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        tree_b = dir_b.open_workingtree()
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        tree_a.commit(message="hello again")
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        log = StringIO()
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        merge_inner(tree_b.branch, tree_a, tree_b.basis_tree(), 
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                    this_tree=tree_b, ignore_zero=True)
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        log = self._get_log()
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        self.failUnless('All changes applied successfully.\n' not in log)
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        tree_b.revert([])
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        merge_inner(tree_b.branch, tree_a, tree_b.basis_tree(), 
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                    this_tree=tree_b, ignore_zero=False)
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        log = self._get_log()
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        self.failUnless('All changes applied successfully.\n' in log)
 
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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)