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Viewing changes to bzrlib/tests/workingtree_implementations/test_flush.py

  • Committer: Robert Collins
  • Date: 2007-07-04 08:08:13 UTC
  • mfrom: (2572 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2587.
  • Revision ID: robertc@robertcollins.net-20070704080813-wzebx0r88fvwj5rq
Merge bzr.dev.

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bzrlib/tests/workingtree_implementations/test_flush.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for WorkingTree.flush."""
 
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from bzrlib import errors, inventory
 
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from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
 
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class TestFlush(TestCaseWithWorkingTree):
 
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    def test_flush_fresh_tree(self):
 
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        tree = self.make_branch_and_tree('t1')
 
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        tree.lock_write()
 
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        try:
 
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            tree.flush()
 
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        finally:
 
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            tree.unlock()
 
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    def test_flush_when_inventory_is_modified(self):
 
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        # when doing a flush the inventory should be written if needed.
 
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        # we test that by changing the inventory (using
 
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        # _set_inventory for now until add etc have lazy writes of
 
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        # the inventory on unlock).
 
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        tree = self.make_branch_and_tree('tree')
 
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        # prepare for a series of changes that will modify the 
 
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        # inventory
 
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        tree.lock_write()
 
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        try:
 
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            old_root = tree.get_root_id()
 
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            tree.set_root_id('new-root')
 
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            # to detect that the inventory is written by flush, we
 
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            # first check that it was not written yet.
 
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            reference_tree = tree.bzrdir.open_workingtree()
 
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            self.assertEqual(old_root, reference_tree.get_root_id())
 
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            # now flush the tree which should write the inventory.
 
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            tree.flush()
 
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            # and check it was written using another reference tree
 
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            reference_tree = tree.bzrdir.open_workingtree()
 
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            self.assertEqual('new-root', reference_tree.get_root_id())
 
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        finally:
 
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            tree.unlock()
 
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    def test_flush_with_read_lock_fails(self):
 
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        """Flush cannot be used during a read lock."""
 
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        tree = self.make_branch_and_tree('t1')
 
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        tree.lock_read()
 
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        try:
 
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            self.assertRaises(errors.NotWriteLocked, tree.flush)
 
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        finally:
 
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            tree.unlock()
 
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    def test_flush_with_no_lock_fails(self):
 
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        tree = self.make_branch_and_tree('t1')
 
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        self.assertRaises(errors.NotWriteLocked, tree.flush)