1
# Copyright (C) 2005, 2006 by 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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from cStringIO import StringIO
 
 
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from bzrlib import errors, inventory, osutils
 
 
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from bzrlib.branch import Branch
 
 
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from bzrlib.diff import internal_diff
 
 
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from bzrlib.inventory import (Inventory, ROOT_ID, InventoryFile,
 
 
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    InventoryDirectory, InventoryEntry)
 
 
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from bzrlib.osutils import (has_symlinks, rename, pathjoin, is_inside_any, 
 
 
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    is_inside_or_parent_of_any)
 
 
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from bzrlib.tests import TestCase, TestCaseWithTransport
 
 
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from bzrlib.transform import TreeTransform
 
 
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from bzrlib.uncommit import uncommit
 
 
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class TestInventory(TestCase):
 
 
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    def test_is_within(self):
 
 
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        SRC_FOO_C = pathjoin('src', 'foo.c')
 
 
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        for dirs, fn in [(['src', 'doc'], SRC_FOO_C),
 
 
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            self.assert_(is_inside_any(dirs, fn))
 
 
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        for dirs, fn in [(['src'], 'srccontrol'),
 
 
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                         (['src'], 'srccontrol/foo')]:
 
 
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            self.assertFalse(is_inside_any(dirs, fn))
 
 
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    def test_is_within_or_parent(self):
 
 
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        for dirs, fn in [(['src', 'doc'], 'src/foo.c'),
 
 
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                         (['src'], 'src/foo.c'),
 
 
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                         (['src/bar.c'], 'src'),
 
 
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                         (['src/bar.c', 'bla/foo.c'], 'src'),
 
 
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            self.assert_(is_inside_or_parent_of_any(dirs, fn))
 
 
57
        for dirs, fn in [(['src'], 'srccontrol'),
 
 
58
                         (['srccontrol/foo.c'], 'src'),
 
 
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                         (['src'], 'srccontrol/foo')]:
 
 
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            self.assertFalse(is_inside_or_parent_of_any(dirs, fn))
 
 
63
        """Test detection of files within selected directories."""
 
 
66
        for args in [('src', 'directory', 'src-id'), 
 
 
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                     ('doc', 'directory', 'doc-id'), 
 
 
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                     ('src/hello.c', 'file'),
 
 
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                     ('src/bye.c', 'file', 'bye-id'),
 
 
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                     ('Makefile', 'file')]:
 
 
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        self.assertEqual(inv.path2id('src'), 'src-id')
 
 
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        self.assertEqual(inv.path2id('src/bye.c'), 'bye-id')
 
 
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        self.assert_('src-id' in inv)
 
 
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    def test_iter_entries(self):
 
 
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        for args in [('src', 'directory', 'src-id'), 
 
 
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                     ('doc', 'directory', 'doc-id'), 
 
 
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                     ('src/hello.c', 'file', 'hello-id'),
 
 
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                     ('src/bye.c', 'file', 'bye-id'),
 
 
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                     ('Makefile', 'file', 'makefile-id')]:
 
 
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            ('Makefile', 'makefile-id'),
 
 
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            ('src/bye.c', 'bye-id'),
 
 
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            ('src/hello.c', 'hello-id'),
 
 
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            ], [(path, ie.file_id) for path, ie in inv.iter_entries()])
 
 
97
    def test_iter_entries_by_dir(self):
 
 
100
        for args in [('src', 'directory', 'src-id'), 
 
 
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                     ('doc', 'directory', 'doc-id'), 
 
 
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                     ('src/hello.c', 'file', 'hello-id'),
 
 
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                     ('src/bye.c', 'file', 'bye-id'),
 
 
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                     ('zz', 'file', 'zz-id'),
 
 
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                     ('src/sub/', 'directory', 'sub-id'),
 
 
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                     ('src/zz.c', 'file', 'zzc-id'),
 
 
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                     ('src/sub/a', 'file', 'a-id'),
 
 
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                     ('Makefile', 'file', 'makefile-id')]:
 
 
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            ('Makefile', 'makefile-id'),
 
 
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            ('src/bye.c', 'bye-id'),
 
 
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            ('src/hello.c', 'hello-id'),
 
 
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            ('src/sub', 'sub-id'),
 
 
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            ('src/zz.c', 'zzc-id'),
 
 
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            ('src/sub/a', 'a-id'),
 
 
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            ], [(path, ie.file_id) for path, ie in inv.iter_entries_by_dir()])
 
 
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    def test_version(self):
 
 
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        """Inventory remembers the text's version."""
 
 
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        ie = inv.add_path('foo.txt', 'file')
 
 
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class TestInventoryEntry(TestCase):
 
 
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    def test_file_kind_character(self):
 
 
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        file = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
 
 
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        self.assertEqual(file.kind_character(), '')
 
 
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    def test_dir_kind_character(self):
 
 
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        dir = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
 
 
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        self.assertEqual(dir.kind_character(), '/')
 
 
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    def test_link_kind_character(self):
 
 
142
        dir = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
 
 
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        self.assertEqual(dir.kind_character(), '')
 
 
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    def test_dir_detect_changes(self):
 
 
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        left = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
 
 
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        left.executable = True
 
 
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        left.symlink_target='foo'
 
 
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        right = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
 
 
151
        right.text_sha1 = 321
 
 
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        right.symlink_target='bar'
 
 
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        self.assertEqual((False, False), left.detect_changes(right))
 
 
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        self.assertEqual((False, False), right.detect_changes(left))
 
 
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    def test_file_detect_changes(self):
 
 
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        left = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
 
 
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        right = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
 
 
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        right.text_sha1 = 123
 
 
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        self.assertEqual((False, False), left.detect_changes(right))
 
 
162
        self.assertEqual((False, False), right.detect_changes(left))
 
 
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        left.executable = True
 
 
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        self.assertEqual((False, True), left.detect_changes(right))
 
 
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        self.assertEqual((False, True), right.detect_changes(left))
 
 
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        right.text_sha1 = 321
 
 
167
        self.assertEqual((True, True), left.detect_changes(right))
 
 
168
        self.assertEqual((True, True), right.detect_changes(left))
 
 
170
    def test_symlink_detect_changes(self):
 
 
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        left = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
 
 
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        left.executable = True
 
 
174
        left.symlink_target='foo'
 
 
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        right = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
 
 
176
        right.text_sha1 = 321
 
 
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        right.symlink_target='foo'
 
 
178
        self.assertEqual((False, False), left.detect_changes(right))
 
 
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        self.assertEqual((False, False), right.detect_changes(left))
 
 
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        left.symlink_target = 'different'
 
 
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        self.assertEqual((True, False), left.detect_changes(right))
 
 
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        self.assertEqual((True, False), right.detect_changes(left))
 
 
184
    def test_file_has_text(self):
 
 
185
        file = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
 
 
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        self.failUnless(file.has_text())
 
 
188
    def test_directory_has_text(self):
 
 
189
        dir = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
 
 
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        self.failIf(dir.has_text())
 
 
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    def test_link_has_text(self):
 
 
193
        link = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
 
 
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        self.failIf(link.has_text())
 
 
196
    def test_make_entry(self):
 
 
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        self.assertIsInstance(inventory.make_entry("file", "name", ROOT_ID),
 
 
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            inventory.InventoryFile)
 
 
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        self.assertIsInstance(inventory.make_entry("symlink", "name", ROOT_ID),
 
 
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            inventory.InventoryLink)
 
 
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        self.assertIsInstance(inventory.make_entry("directory", "name", ROOT_ID),
 
 
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            inventory.InventoryDirectory)
 
 
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    def test_make_entry_non_normalized(self):
 
 
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        orig_normalized_filename = osutils.normalized_filename
 
 
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            osutils.normalized_filename = osutils._accessible_normalized_filename
 
 
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            entry = inventory.make_entry("file", u'a\u030a', ROOT_ID)
 
 
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            self.assertEqual(u'\xe5', entry.name)
 
 
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            self.assertIsInstance(entry, inventory.InventoryFile)
 
 
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            osutils.normalized_filename = osutils._inaccessible_normalized_filename
 
 
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            self.assertRaises(errors.InvalidNormalization,
 
 
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                    inventory.make_entry, 'file', u'a\u030a', ROOT_ID)
 
 
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            osutils.normalized_filename = orig_normalized_filename
 
 
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class TestEntryDiffing(TestCaseWithTransport):
 
 
223
        super(TestEntryDiffing, self).setUp()
 
 
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        self.wt = self.make_branch_and_tree('.')
 
 
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        self.branch = self.wt.branch
 
 
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        print >> open('file', 'wb'), 'foo'
 
 
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        print >> open('binfile', 'wb'), 'foo'
 
 
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        self.wt.add(['file'], ['fileid'])
 
 
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        self.wt.add(['binfile'], ['binfileid'])
 
 
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            os.symlink('target1', 'symlink')
 
 
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            self.wt.add(['symlink'], ['linkid'])
 
 
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        self.wt.commit('message_1', rev_id = '1')
 
 
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        print >> open('file', 'wb'), 'bar'
 
 
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        print >> open('binfile', 'wb'), 'x' * 1023 + '\x00'
 
 
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            os.symlink('target2', 'symlink')
 
 
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        self.tree_1 = self.branch.repository.revision_tree('1')
 
 
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        self.inv_1 = self.branch.repository.get_inventory('1')
 
 
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        self.file_1 = self.inv_1['fileid']
 
 
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        self.file_1b = self.inv_1['binfileid']
 
 
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        self.tree_2 = self.wt
 
 
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        self.inv_2 = self.tree_2.read_working_inventory()
 
 
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        self.file_2 = self.inv_2['fileid']
 
 
246
        self.file_2b = self.inv_2['binfileid']
 
 
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            self.link_1 = self.inv_1['linkid']
 
 
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            self.link_2 = self.inv_2['linkid']
 
 
251
    def test_file_diff_deleted(self):
 
 
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        self.file_1.diff(internal_diff, 
 
 
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                          "old_label", self.tree_1,
 
 
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                          "/dev/null", None, None,
 
 
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        self.assertEqual(output.getvalue(), "--- old_label\n"
 
 
263
    def test_file_diff_added(self):
 
 
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        self.file_1.diff(internal_diff, 
 
 
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                          "new_label", self.tree_1,
 
 
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                          "/dev/null", None, None,
 
 
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                          output, reverse=True)
 
 
269
        self.assertEqual(output.getvalue(), "--- /dev/null\n"
 
 
275
    def test_file_diff_changed(self):
 
 
277
        self.file_1.diff(internal_diff, 
 
 
278
                          "/dev/null", self.tree_1, 
 
 
279
                          "new_label", self.file_2, self.tree_2,
 
 
281
        self.assertEqual(output.getvalue(), "--- /dev/null\n"
 
 
288
    def test_file_diff_binary(self):
 
 
290
        self.file_1.diff(internal_diff, 
 
 
291
                          "/dev/null", self.tree_1, 
 
 
292
                          "new_label", self.file_2b, self.tree_2,
 
 
294
        self.assertEqual(output.getvalue(), 
 
 
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                         "Binary files /dev/null and new_label differ\n")
 
 
296
    def test_link_diff_deleted(self):
 
 
297
        if not has_symlinks():
 
 
300
        self.link_1.diff(internal_diff, 
 
 
301
                          "old_label", self.tree_1,
 
 
302
                          "/dev/null", None, None,
 
 
304
        self.assertEqual(output.getvalue(),
 
 
305
                         "=== target was 'target1'\n")
 
 
307
    def test_link_diff_added(self):
 
 
308
        if not has_symlinks():
 
 
311
        self.link_1.diff(internal_diff, 
 
 
312
                          "new_label", self.tree_1,
 
 
313
                          "/dev/null", None, None,
 
 
314
                          output, reverse=True)
 
 
315
        self.assertEqual(output.getvalue(),
 
 
316
                         "=== target is 'target1'\n")
 
 
318
    def test_link_diff_changed(self):
 
 
319
        if not has_symlinks():
 
 
322
        self.link_1.diff(internal_diff, 
 
 
323
                          "/dev/null", self.tree_1, 
 
 
324
                          "new_label", self.link_2, self.tree_2,
 
 
326
        self.assertEqual(output.getvalue(),
 
 
327
                         "=== target changed 'target1' => 'target2'\n")
 
 
330
class TestSnapshot(TestCaseWithTransport):
 
 
333
        # for full testing we'll need a branch
 
 
334
        # with a subdir to test parent changes.
 
 
335
        # and a file, link and dir under that.
 
 
336
        # but right now I only need one attribute
 
 
337
        # to change, and then test merge patterns
 
 
338
        # with fake parent entries.
 
 
339
        super(TestSnapshot, self).setUp()
 
 
340
        self.wt = self.make_branch_and_tree('.')
 
 
341
        self.branch = self.wt.branch
 
 
342
        self.build_tree(['subdir/', 'subdir/file'], line_endings='binary')
 
 
343
        self.wt.add(['subdir', 'subdir/file'],
 
 
347
        self.wt.commit('message_1', rev_id = '1')
 
 
348
        self.tree_1 = self.branch.repository.revision_tree('1')
 
 
349
        self.inv_1 = self.branch.repository.get_inventory('1')
 
 
350
        self.file_1 = self.inv_1['fileid']
 
 
351
        self.file_active = self.wt.inventory['fileid']
 
 
352
        self.builder = self.branch.get_commit_builder([], timestamp=time.time(), revision_id='2')
 
 
354
    def test_snapshot_new_revision(self):
 
 
355
        # This tests that a simple commit with no parents makes a new
 
 
356
        # revision value in the inventory entry
 
 
357
        self.file_active.snapshot('2', 'subdir/file', {}, self.wt, self.builder)
 
 
358
        # expected outcome - file_1 has a revision id of '2', and we can get
 
 
359
        # its text of 'file contents' out of the weave.
 
 
360
        self.assertEqual(self.file_1.revision, '1')
 
 
361
        self.assertEqual(self.file_active.revision, '2')
 
 
362
        # this should be a separate test probably, but lets check it once..
 
 
363
        lines = self.branch.repository.weave_store.get_weave(
 
 
365
            self.branch.get_transaction()).get_lines('2')
 
 
366
        self.assertEqual(lines, ['contents of subdir/file\n'])
 
 
368
    def test_snapshot_unchanged(self):
 
 
369
        #This tests that a simple commit does not make a new entry for
 
 
370
        # an unchanged inventory entry
 
 
371
        self.file_active.snapshot('2', 'subdir/file', {'1':self.file_1},
 
 
372
                                  self.wt, self.builder)
 
 
373
        self.assertEqual(self.file_1.revision, '1')
 
 
374
        self.assertEqual(self.file_active.revision, '1')
 
 
375
        vf = self.branch.repository.weave_store.get_weave(
 
 
377
            self.branch.repository.get_transaction())
 
 
378
        self.assertRaises(errors.RevisionNotPresent,
 
 
382
    def test_snapshot_merge_identical_different_revid(self):
 
 
383
        # This tests that a commit with two identical parents, one of which has
 
 
384
        # a different revision id, results in a new revision id in the entry.
 
 
385
        # 1->other, commit a merge of other against 1, results in 2.
 
 
386
        other_ie = inventory.InventoryFile('fileid', 'newname', self.file_1.parent_id)
 
 
387
        other_ie = inventory.InventoryFile('fileid', 'file', self.file_1.parent_id)
 
 
388
        other_ie.revision = '1'
 
 
389
        other_ie.text_sha1 = self.file_1.text_sha1
 
 
390
        other_ie.text_size = self.file_1.text_size
 
 
391
        self.assertEqual(self.file_1, other_ie)
 
 
392
        other_ie.revision = 'other'
 
 
393
        self.assertNotEqual(self.file_1, other_ie)
 
 
394
        versionfile = self.branch.repository.weave_store.get_weave(
 
 
395
            'fileid', self.branch.repository.get_transaction())
 
 
396
        versionfile.clone_text('other', '1', ['1'])
 
 
397
        self.file_active.snapshot('2', 'subdir/file', 
 
 
398
                                  {'1':self.file_1, 'other':other_ie},
 
 
399
                                  self.wt, self.builder)
 
 
400
        self.assertEqual(self.file_active.revision, '2')
 
 
402
    def test_snapshot_changed(self):
 
 
403
        # This tests that a commit with one different parent results in a new
 
 
404
        # revision id in the entry.
 
 
405
        self.file_active.name='newname'
 
 
406
        rename('subdir/file', 'subdir/newname')
 
 
407
        self.file_active.snapshot('2', 'subdir/newname', {'1':self.file_1}, 
 
 
408
                                  self.wt, self.builder)
 
 
409
        # expected outcome - file_1 has a revision id of '2'
 
 
410
        self.assertEqual(self.file_active.revision, '2')
 
 
413
class TestPreviousHeads(TestCaseWithTransport):
 
 
416
        # we want several inventories, that respectively
 
 
417
        # give use the following scenarios:
 
 
418
        # A) fileid not in any inventory (A),
 
 
419
        # B) fileid present in one inventory (B) and (A,B)
 
 
420
        # C) fileid present in two inventories, and they
 
 
421
        #   are not mutual descendents (B, C)
 
 
422
        # D) fileid present in two inventories and one is
 
 
423
        #   a descendent of the other. (B, D)
 
 
424
        super(TestPreviousHeads, self).setUp()
 
 
425
        self.wt = self.make_branch_and_tree('.')
 
 
426
        self.branch = self.wt.branch
 
 
427
        self.build_tree(['file'])
 
 
428
        self.wt.commit('new branch', allow_pointless=True, rev_id='A')
 
 
429
        self.inv_A = self.branch.repository.get_inventory('A')
 
 
430
        self.wt.add(['file'], ['fileid'])
 
 
431
        self.wt.commit('add file', rev_id='B')
 
 
432
        self.inv_B = self.branch.repository.get_inventory('B')
 
 
433
        uncommit(self.branch, tree=self.wt)
 
 
434
        self.assertEqual(self.branch.revision_history(), ['A'])
 
 
435
        self.wt.commit('another add of file', rev_id='C')
 
 
436
        self.inv_C = self.branch.repository.get_inventory('C')
 
 
437
        self.wt.add_parent_tree_id('B')
 
 
438
        self.wt.commit('merge in B', rev_id='D')
 
 
439
        self.inv_D = self.branch.repository.get_inventory('D')
 
 
440
        self.file_active = self.wt.inventory['fileid']
 
 
441
        self.weave = self.branch.repository.weave_store.get_weave('fileid',
 
 
442
            self.branch.repository.get_transaction())
 
 
444
    def get_previous_heads(self, inventories):
 
 
445
        return self.file_active.find_previous_heads(
 
 
447
            self.branch.repository.weave_store,
 
 
448
            self.branch.repository.get_transaction())
 
 
450
    def test_fileid_in_no_inventory(self):
 
 
451
        self.assertEqual({}, self.get_previous_heads([self.inv_A]))
 
 
453
    def test_fileid_in_one_inventory(self):
 
 
454
        self.assertEqual({'B':self.inv_B['fileid']},
 
 
455
                         self.get_previous_heads([self.inv_B]))
 
 
456
        self.assertEqual({'B':self.inv_B['fileid']},
 
 
457
                         self.get_previous_heads([self.inv_A, self.inv_B]))
 
 
458
        self.assertEqual({'B':self.inv_B['fileid']},
 
 
459
                         self.get_previous_heads([self.inv_B, self.inv_A]))
 
 
461
    def test_fileid_in_two_inventories_gives_both_entries(self):
 
 
462
        self.assertEqual({'B':self.inv_B['fileid'],
 
 
463
                          'C':self.inv_C['fileid']},
 
 
464
                          self.get_previous_heads([self.inv_B, self.inv_C]))
 
 
465
        self.assertEqual({'B':self.inv_B['fileid'],
 
 
466
                          'C':self.inv_C['fileid']},
 
 
467
                          self.get_previous_heads([self.inv_C, self.inv_B]))
 
 
469
    def test_fileid_in_two_inventories_already_merged_gives_head(self):
 
 
470
        self.assertEqual({'D':self.inv_D['fileid']},
 
 
471
                         self.get_previous_heads([self.inv_B, self.inv_D]))
 
 
472
        self.assertEqual({'D':self.inv_D['fileid']},
 
 
473
                         self.get_previous_heads([self.inv_D, self.inv_B]))
 
 
475
    # TODO: test two inventories with the same file revision 
 
 
478
class TestDescribeChanges(TestCase):
 
 
480
    def test_describe_change(self):
 
 
481
        # we need to test the following change combinations:
 
 
487
        # renamed/reparented and modified
 
 
488
        # change kind (perhaps can't be done yet?)
 
 
489
        # also, merged in combination with all of these?
 
 
490
        old_a = InventoryFile('a-id', 'a_file', ROOT_ID)
 
 
491
        old_a.text_sha1 = '123132'
 
 
493
        new_a = InventoryFile('a-id', 'a_file', ROOT_ID)
 
 
494
        new_a.text_sha1 = '123132'
 
 
497
        self.assertChangeDescription('unchanged', old_a, new_a)
 
 
500
        new_a.text_sha1 = 'abcabc'
 
 
501
        self.assertChangeDescription('modified', old_a, new_a)
 
 
503
        self.assertChangeDescription('added', None, new_a)
 
 
504
        self.assertChangeDescription('removed', old_a, None)
 
 
505
        # perhaps a bit questionable but seems like the most reasonable thing...
 
 
506
        self.assertChangeDescription('unchanged', None, None)
 
 
508
        # in this case it's both renamed and modified; show a rename and 
 
 
510
        new_a.name = 'newfilename'
 
 
511
        self.assertChangeDescription('modified and renamed', old_a, new_a)
 
 
513
        # reparenting is 'renaming'
 
 
514
        new_a.name = old_a.name
 
 
515
        new_a.parent_id = 'somedir-id'
 
 
516
        self.assertChangeDescription('modified and renamed', old_a, new_a)
 
 
518
        # reset the content values so its not modified
 
 
519
        new_a.text_size = old_a.text_size
 
 
520
        new_a.text_sha1 = old_a.text_sha1
 
 
521
        new_a.name = old_a.name
 
 
523
        new_a.name = 'newfilename'
 
 
524
        self.assertChangeDescription('renamed', old_a, new_a)
 
 
526
        # reparenting is 'renaming'
 
 
527
        new_a.name = old_a.name
 
 
528
        new_a.parent_id = 'somedir-id'
 
 
529
        self.assertChangeDescription('renamed', old_a, new_a)
 
 
531
    def assertChangeDescription(self, expected_change, old_ie, new_ie):
 
 
532
        change = InventoryEntry.describe_change(old_ie, new_ie)
 
 
533
        self.assertEqual(expected_change, change)
 
 
536
class TestRevert(TestCaseWithTransport):
 
 
538
    def test_dangling_id(self):
 
 
539
        wt = self.make_branch_and_tree('b1')
 
 
540
        self.assertEqual(len(wt.inventory), 1)
 
 
541
        open('b1/a', 'wb').write('a test\n')
 
 
543
        self.assertEqual(len(wt.inventory), 2)
 
 
546
        self.assertEqual(len(wt.inventory), 1)