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bzrlib/tests/commands/test_revert.py

 

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# Copyright (C) 2010 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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import os

 

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from bzrlib import (

 

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    branch,

 

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    builtins,

 

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    errors,

 

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    lock,

 

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    )

 

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from bzrlib.tests import (

 

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    transport_util,

 

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    TestCaseInTempDir,

 

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    )

 

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class TestRevert(TestCaseInTempDir):

 

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    def setUp(self):

 

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        super(TestRevert, self).setUp()

 

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    def test_revert_tree_write_lock_and_branch_read_lock(self):

 

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        # install lock hooks to find out about cmd_revert's locking actions

 

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        locks_acquired = []

 

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        locks_released = []

 

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        lock.Lock.hooks.install_named_hook('lock_acquired',

 

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            locks_acquired.append, None)

 

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        lock.Lock.hooks.install_named_hook('lock_released',

 

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            locks_released.append, None)

 

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        # execute the revert command (There is nothing to actually revert,

 

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        # but locks are acquired either way.)

 

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        revert = builtins.cmd_revert()

 

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        revert.run()

 

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        # make sure that only one lock is acquired and released.

 

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        self.assertLength(1, locks_acquired)

 

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        self.assertLength(1, locks_released)

 

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        # make sure that the nonces are the same, since otherwise

 

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        # this would not be the same lock.

 

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        self.assertEqual(locks_acquired[0].details, locks_released[0].details)

 

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        # make sure that the locks are checkout locks.

 

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        self.assertEndsWith(locks_acquired[0].lock_url, "/checkout/lock")

 

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        self.assertEndsWith(locks_released[0].lock_url, "/checkout/lock")

 

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