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

  • Committer: John Arbash Meinel
  • Date: 2006-05-10 17:48:25 UTC
  • mfrom: (1704 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1705.
  • Revision ID: john@arbash-meinel.com-20060510174825-74dcaba644915bec
[merge] bzr.dev 1704

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bzrlib/tests/blackbox/test_break_lock.py
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import os
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import bzrlib
 
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import bzrlib.errors as errors
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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.tests import TestCaseInTempDir
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class TestBreakLock(TestCaseInTempDir):
 
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from bzrlib.tests.blackbox import ExternalBase
 
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class TestBreakLock(ExternalBase):
 
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    # General principal for break-lock: All the elements that might be locked
 
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    # by a bzr operation on PATH, are candidates that break-lock may unlock.
 
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    # so pathologically if we have a lightweight checkout A, of branch B, which
 
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    # is bound to location C, the following things should be checked for locks
 
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    # to break:
 
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    # wt = WorkingTree(A)
 
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    # wt.branch
 
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    # wt.branch.repository
 
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    # wt.branch.get_master_branch()
 
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    # wt.branch.get_master_branch().repository
 
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    # so for smoke tests all we need is a bound branch with a checkout of that
 
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    # and we can then use different urls to test individual cases, for as much
 
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    # granularity as needed.
 
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    def setUp(self):
 
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        super(TestBreakLock, self).setUp()
 
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        self.build_tree(
 
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            ['master-repo/',
 
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             'master-repo/master-branch/',
 
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             'repo/',
 
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             'repo/branch/',
 
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             'checkout/'])
 
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        bzrlib.bzrdir.BzrDir.create('master-repo').create_repository()
 
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        self.master_branch = bzrlib.bzrdir.BzrDir.create_branch_convenience(
 
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            'master-repo/master-branch')
 
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        bzrlib.bzrdir.BzrDir.create('repo').create_repository()
 
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        local_branch = bzrlib.bzrdir.BzrDir.create_branch_convenience('repo/branch')
 
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        local_branch.bind(self.master_branch)
 
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        checkoutdir = bzrlib.bzrdir.BzrDir.create('checkout')
 
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        bzrlib.branch.BranchReferenceFormat().initialize(
 
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            checkoutdir, local_branch)
 
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        self.wt = checkoutdir.create_workingtree()
 
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    def test_break_lock_help(self):
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        self.run_bzr('break-lock', '--help')
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        # shouldn't fail
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    def test_show_no_lock(self):
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        wt = BzrDir.create_standalone_workingtree('.')
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        # out, err = self.run_bzr('break-lock', '--show', '.', retcode=3)
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        # shouldn't see any information
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        # self.assertContainsRe(err, 'not locked')
 
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        out, err = self.run_bzr('break-lock', '--help')
 
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        # shouldn't fail and should not produce error output
 
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        self.assertEqual('', err)
 
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    def test_break_lock_everything_locked(self):
 
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        ### if everything is locked, we should be able to unlock the lot.
 
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        # sketch of test:
 
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        # lock the lot:
 
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        self.wt.lock_write()
 
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        self.master_branch.lock_write()
 
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        # run the break-lock
 
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        # we need 5 yes's - wt, branch, repo, bound branch, bound repo.
 
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        self.run_bzr('break-lock', 'checkout', stdin="y\ny\ny\ny\ny\n")
 
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        # a new tree instance should be lockable
 
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        wt = bzrlib.workingtree.WorkingTree.open('checkout')
 
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        wt.lock_write()
 
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        wt.unlock()
 
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        # and a new instance of the master branch 
 
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        mb = wt.branch.get_master_branch()
 
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        mb.lock_write()
 
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        mb.unlock()
 
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        self.assertRaises(errors.LockBroken, self.wt.unlock)
 
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        self.assertRaises(errors.LockBroken, self.master_branch.unlock)
 
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    def test_saying_no_leaves_it_locked(self):
 
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        ### if 'no' is answered, objects should remain locked.
 
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        self.wt.lock_write()
 
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        self.master_branch.lock_write()
 
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        # run the break-lock
 
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        # we need 5 yes's - wt, branch, repo, bound branch, bound repo.
 
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        self.run_bzr('break-lock', 'checkout', stdin="n\nn\nn\nn\nn\n")
 
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        # a new tree instance should not be lockable
 
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        wt = bzrlib.workingtree.WorkingTree.open('checkout')
 
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        self.assertRaises(errors.LockContention, wt.lock_write)
 
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        # and a new instance of the master branch 
 
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        mb = wt.branch.get_master_branch()
 
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        self.assertRaises(errors.LockContention, mb.lock_write)
 
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        # unlock our branches normally.
 
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        self.wt.unlock()
 
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        self.master_branch.unlock()
 
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class TestBreakLockOldBranch(ExternalBase):
 
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    def test_break_lock_format_5_bzrdir(self):
 
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        # break lock on a format 5 bzrdir should just return
 
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        self.make_branch_and_tree('foo', format=bzrlib.bzrdir.BzrDirFormat5())
 
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        out, err = self.run_bzr('break-lock', 'foo')
 
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        self.assertEqual('', out)
 
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        self.assertEqual('', err)