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Viewing changes to bzrlib/tests/test_mutabletree.py

  • Committer: John Arbash Meinel
  • Date: 2010-01-12 22:51:31 UTC
  • mto: This revision was merged to the branch mainline in revision 4955.
  • Revision ID: john@arbash-meinel.com-20100112225131-he8h411p6aeeb947
Delay grabbing an output stream until we actually go to show a diff.

This makes the test suite happy, but it also seems to be reasonable.
If we aren't going to write anything, we don't need to hold an
output stream open.

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bzrlib/tests/test_mutabletree.py
 
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# Copyright (C) 2008 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for MutableTree.
 
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Most functionality of MutableTree is tested as part of WorkingTree.
 
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"""
 
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from bzrlib import (
 
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    mutabletree,
 
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    tests,
 
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    )
 
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class TestHooks(tests.TestCase):
 
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    def test_constructor(self):
 
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        """Check that creating a MutableTreeHooks instance has the right
 
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        defaults."""
 
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        hooks = mutabletree.MutableTreeHooks()
 
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        self.assertTrue("start_commit" in hooks,
 
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                        "start_commit not in %s" % hooks)
 
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        self.assertTrue("post_commit" in hooks,
 
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                        "post_commit not in %s" % hooks)
 
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    def test_installed_hooks_are_MutableTreeHooks(self):
 
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        """The installed hooks object should be a MutableTreeHooks."""
 
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        # the installed hooks are saved in self._preserved_hooks.
 
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        self.assertIsInstance(self._preserved_hooks[mutabletree.MutableTree][1],
 
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                              mutabletree.MutableTreeHooks)
 
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class TestHasChanges(tests.TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(TestHasChanges, self).setUp()
 
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        self.tree = self.make_branch_and_tree('tree')
 
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    def test_with_uncommitted_changes(self):
 
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        self.build_tree(['tree/file'])
 
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        self.tree.add('file')
 
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        self.assertTrue(self.tree.has_changes())
 
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    def test_with_pending_merges(self):
 
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        other_tree = self.tree.bzrdir.sprout('other').open_workingtree()
 
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        self.build_tree(['other/file'])
 
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        other_tree.add('file')
 
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        other_tree.commit('added file')
 
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        self.tree.merge_from_branch(other_tree.branch)
 
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        self.assertTrue(self.tree.has_changes())