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Viewing changes to bzrlib/tests/branch_implementations/test_break_lock.py

  • Committer: Robert Collins
  • Date: 2006-05-05 04:43:35 UTC
  • mfrom: (1687.1.17 break-lock)
  • mto: This revision was merged to the branch mainline in revision 1701.
  • Revision ID: robertc@robertcollins.net-20060505044335-0e785bae0df1047e
Merge break-lock command.

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bzrlib/tests/branch_implementations/test_break_lock.py
 
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# (C) 2006 Canonical Ltd
 
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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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# 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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# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for branch break-lock behaviour."""
 
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from cStringIO import StringIO
 
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import bzrlib
 
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import bzrlib.errors as errors
 
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from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
 
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from bzrlib.tests.branch_implementations.test_branch import TestCaseWithBranch
 
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class TestBreakLock(TestCaseWithBranch):
 
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    def setUp(self):
 
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        super(TestBreakLock, self).setUp()
 
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        self.unused_branch = self.make_branch('branch')
 
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        self.branch = self.unused_branch.bzrdir.open_branch()
 
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        # we want a UI factory that accepts canned input for the tests:
 
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        # while SilentUIFactory still accepts stdin, we need to customise
 
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        # ours
 
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        self.old_factory = bzrlib.ui.ui_factory
 
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        self.addCleanup(self.restoreFactory)
 
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        bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
 
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    def restoreFactory(self):
 
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        bzrlib.ui.ui_factory = self.old_factory
 
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    def test_unlocked(self):
 
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        # break lock when nothing is locked should just return
 
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        try:
 
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            self.branch.break_lock()
 
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        except NotImplementedError:
 
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            pass
 
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    def test_unlocked_repo_locked(self):
 
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        # break lock on the branch should try on the repository even
 
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        # if the branch isn't locked
 
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        self.branch.repository.lock_write()
 
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        bzrlib.ui.ui_factory.stdin = StringIO("y\n")
 
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        try:
 
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            self.unused_branch.break_lock()
 
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        except NotImplementedError:
 
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            # branch does not support break_lock
 
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            self.branch.repository.unlock()
 
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            return
 
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        self.assertRaises(errors.LockBroken, self.branch.repository.unlock)
 
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    def test_locked(self):
 
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        # break_lock when locked should unlock the branch and repo
 
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        self.branch.lock_write()
 
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        bzrlib.ui.ui_factory.stdin = StringIO("y\ny\n")
 
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        try:
 
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            self.unused_branch.break_lock()
 
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        except NotImplementedError:
 
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            # branch does not support break_lock
 
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            self.branch.unlock()
 
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            return
 
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        self.assertRaises(errors.LockBroken, self.branch.unlock)
 
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    def test_unlocks_master_branch(self):
 
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        # break_lock when when the master branch is locked should offer to
 
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        # unlock it.
 
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        master = self.make_branch('master')
 
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        try:
 
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            self.branch.bind(master)
 
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        except errors.UpgradeRequired:
 
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            # this branch does not support binding.
 
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            return
 
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        master.lock_write()
 
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        bzrlib.ui.ui_factory.stdin = StringIO("y\ny\n")
 
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        try:
 
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            self.unused_branch.break_lock()
 
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        except NotImplementedError:
 
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            # branch does not support break_lock
 
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            master.unlock()
 
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            return
 
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        self.assertRaises(errors.LockBroken, master.unlock)
 
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        # can we lock it now ?
 
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        master.lock_write()
 
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        master.unlock()
 
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