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Viewing changes to bzrlib/tests/test_extract.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_extract.py
 
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# Copyright (C) 2006 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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from bzrlib import (
 
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    branch,
 
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    bzrdir,
 
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    errors,
 
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    )
 
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from bzrlib.tests import TestCaseWithTransport
 
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class TestExtract(TestCaseWithTransport):
 
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    def test_extract(self):
 
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        self.build_tree(['a/', 'a/b/', 'a/b/c', 'a/d'])
 
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        wt = self.make_branch_and_tree('a', format='rich-root-pack')
 
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        wt.add(['b', 'b/c', 'd'], ['b-id', 'c-id', 'd-id'])
 
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        wt.commit('added files')
 
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        b_wt = wt.extract('b-id')
 
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        self.assertEqual('b-id', b_wt.get_root_id())
 
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        self.assertEqual('c-id', b_wt.path2id('c'))
 
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        self.assertEqual('c', b_wt.id2path('c-id'))
 
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        self.assertRaises(errors.BzrError, wt.id2path, 'b-id')
 
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        self.assertEqual(b_wt.basedir, wt.abspath('b'))
 
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        self.assertEqual(wt.get_parent_ids(), b_wt.get_parent_ids())
 
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        self.assertEqual(wt.branch.last_revision(),
 
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                         b_wt.branch.last_revision())
 
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    def extract_in_checkout(self, a_branch):
 
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        self.build_tree(['a/', 'a/b/', 'a/b/c/', 'a/b/c/d'])
 
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        wt = a_branch.create_checkout('a', lightweight=True)
 
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        wt.add(['b', 'b/c', 'b/c/d'], ['b-id', 'c-id', 'd-id'])
 
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        wt.commit('added files')
 
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        return wt.extract('b-id')
 
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    def test_extract_in_checkout(self):
 
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        a_branch = self.make_branch('branch', format='rich-root-pack')
 
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        self.extract_in_checkout(a_branch)
 
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        b_branch = branch.Branch.open('branch/b')
 
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        b_branch_ref = branch.Branch.open('a/b')
 
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        self.assertEqual(b_branch.base, b_branch_ref.base)
 
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    def test_extract_in_deep_checkout(self):
 
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        a_branch = self.make_branch('branch', format='rich-root-pack')
 
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        self.build_tree(['a/', 'a/b/', 'a/b/c/', 'a/b/c/d/', 'a/b/c/d/e'])
 
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        wt = a_branch.create_checkout('a', lightweight=True)
 
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        wt.add(['b', 'b/c', 'b/c/d', 'b/c/d/e/'], ['b-id', 'c-id', 'd-id',
 
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                'e-id'])
 
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        wt.commit('added files')
 
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        b_wt = wt.extract('d-id')
 
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        b_branch = branch.Branch.open('branch/b/c/d')
 
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        b_branch_ref = branch.Branch.open('a/b/c/d')
 
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        self.assertEqual(b_branch.base, b_branch_ref.base)
 
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    def test_bad_repo_format(self):
 
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        repo = self.make_repository('branch', shared=True,
 
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                                    format='knit')
 
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        a_branch = repo.bzrdir.create_branch()
 
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        self.assertRaises(errors.RootNotRich, self.extract_in_checkout,
 
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                          a_branch)
 
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    def test_good_repo_format(self):
 
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        repo = self.make_repository('branch', shared=True,
 
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            format='dirstate-with-subtree')
 
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        a_branch = repo.bzrdir.create_branch()
 
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        wt_b = self.extract_in_checkout(a_branch)
 
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        self.assertEqual(wt_b.branch.repository.bzrdir.transport.base,
 
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        repo.bzrdir.transport.base)