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# Copyright (C) 2008 Aaron Bentley
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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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from bzrlib.transform import TreeTransform
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from bzrlib.tests import TestCaseWithTransport, HardlinkFeature
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from bzrlib.plugins.bzrtools.link_tree import link_tree
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class TestLinkTreeBase(object):
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_test_needs_features = [HardlinkFeature]
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TestCaseWithTransport.setUp(self)
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self.parent_tree = self.make_branch_and_tree('parent')
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self.parent_tree.lock_write()
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self.addCleanup(self.parent_tree.unlock)
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self.build_tree_contents([('parent/foo', 'bar')])
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self.parent_tree.add('foo', 'foo-id')
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self.parent_tree.commit('added foo')
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child_bzrdir = self.parent_tree.bzrdir.sprout('child')
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self.child_tree = child_bzrdir.open_workingtree()
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parent_stat = os.lstat(self.parent_tree.abspath('foo'))
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child_stat = os.lstat(self.child_tree.abspath('foo'))
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return parent_stat.st_ino == child_stat.st_ino
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class TestLinkTree(TestLinkTreeBase, TestCaseWithTransport):
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def test_link_fails_if_modified(self):
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"""If the file to be linked has modified text, don't link."""
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self.build_tree_contents([('child/foo', 'baz')])
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link_tree(self.child_tree, self.parent_tree)
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self.assertFalse(self.hardlinked())
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def test_link_fails_if_execute_bit_changed(self):
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"""If the file to be linked has modified execute bit, don't link."""
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tt = TreeTransform(self.child_tree)
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trans_id = tt.trans_id_tree_file_id('foo-id')
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tt.set_executability(True, trans_id)
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link_tree(self.child_tree, self.parent_tree)
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self.assertFalse(self.hardlinked())
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def test_link_succeeds_if_unmodified(self):
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"""If the file to be linked is unmodified, link"""
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link_tree(self.child_tree, self.parent_tree)
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self.assertTrue(self.hardlinked())
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class TestLinkTreeCommand(TestLinkTreeBase, TestCaseWithTransport):
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def test_link_tree(self):
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"""Ensure the command works as intended"""
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self.parent_tree.unlock()
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self.run_bzr('link-tree ../parent')
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self.assertTrue(self.hardlinked())
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# want teh addCleanup to work properly
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self.parent_tree.lock_write()