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Viewing changes to bzrlib/tests/test_delta.py

  • Committer: John Arbash Meinel
  • Date: 2007-02-07 22:31:07 UTC
  • mfrom: (2245.7.2 bzr.dev.helpcheckout)
  • mto: This revision was merged to the branch mainline in revision 2273.
  • Revision ID: john@arbash-meinel.com-20070207223107-vv8o1g6bimqlvtv3
[merge] James Westby, Aaron Bentley 'bzr help checkouts'

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bzrlib/tests/test_delta.py
 
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# Copyright (C) 2007 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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import os
 
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from StringIO import StringIO
 
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from bzrlib import (
 
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    delta as _mod_delta,
 
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    inventory,
 
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    tests,
 
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    )
 
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26
 
 
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class InstrumentedReporter(object):
 
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    def __init__(self):
 
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        self.calls = []
 
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    def report(self, file_id, path, versioned, renamed, modified, exe_change,
 
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               kind):
 
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        self.calls.append((file_id, path, versioned, renamed, modified,
 
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                           exe_change, kind))
 
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36
 
 
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class TestReportChanges(tests.TestCase):
 
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    """Test the new change reporting infrastructure"""
 
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    def assertReport(self, expected, file_id='fid', path='path',
 
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                     versioned_change='unchanged', renamed=False,
 
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                     modified='unchanged', exe_change=False,
 
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                     kind=('file', 'file'), old_path=None):
 
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        result = []
 
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        def result_line(format, *args):
 
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            result.append(format % args)
 
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        inv = inventory.Inventory()
 
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        if old_path is not None:
 
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            inv.add(inventory.InventoryFile(file_id, old_path,
 
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                                            inv.root.file_id))
 
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        reporter = _mod_delta.ChangeReporter(inv, result_line)
 
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        reporter.report(file_id, path, versioned_change, renamed, modified,
 
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                         exe_change, kind)
 
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        self.assertEqualDiff(expected, result[0])
 
55
 
 
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    def test_rename(self):
 
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        self.assertReport('R   old => path', renamed=True, old_path='old')
 
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        self.assertReport('    path')
 
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        self.assertReport('RN  old => path', renamed=True, old_path='old',
 
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                          modified='created', kind=(None, 'file'))
 
61
 
 
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    def test_kind(self):
 
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        self.assertReport(' K  path => path/', modified='kind changed',
 
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                          kind=('file', 'directory'))
 
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        self.assertReport(' K  path/ => path', modified='kind changed',
 
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                          kind=('directory', 'file'), old_path='old')
 
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        self.assertReport('RK  old => path/', renamed=True,
 
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                          modified='kind changed',
 
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                          kind=('file', 'directory'), old_path='old')
 
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    def test_new(self):
 
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        self.assertReport(' N  path/', modified='created',
 
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                          kind=(None, 'directory'))
 
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        self.assertReport('+   path/', versioned_change='added',
 
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                          modified='unchanged', kind=(None, 'directory'))
 
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        self.assertReport('+   path', versioned_change='added',
 
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                          modified='unchanged', kind=(None, None))
 
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        self.assertReport('+N  path/', versioned_change='added',
 
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                          modified='created', kind=(None, 'directory'))
 
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        self.assertReport('+M  path/', versioned_change='added',
 
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                          modified='modified', kind=(None, 'directory'))
 
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        self.assertReport('+K  path => path/', versioned_change='added',
 
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                          modified='kind changed', kind=('file', 'directory'))
 
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    def test_removal(self):
 
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        self.assertReport(' D  path/', modified='deleted',
 
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                          kind=('directory', None), old_path='old')
 
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        self.assertReport('-   path/', versioned_change='removed',
 
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                          kind=(None, 'directory'))
 
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        self.assertReport('-D  path', versioned_change='removed',
 
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                          modified='deleted', kind=('file', 'directory'))
 
91
 
 
92
    def test_modification(self):
 
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        self.assertReport(' M  path', modified='modified')
 
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        self.assertReport(' M* path', modified='modified', exe_change=True)
 
95
 
 
96
    def assertChangesEqual(self,
 
97
                           file_id='fid',
 
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                           path='path',
 
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                           content_change=False,
 
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                           versioned=(True, True),
 
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                           parent_id=('pid', 'pid'),
 
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                           name=('name', 'name'),
 
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                           kind=('file', 'file'),
 
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                           executable=(False, False),
 
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                           versioned_change='unchanged',
 
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                           renamed=False,
 
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                           modified='unchanged',
 
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                           exe_change=False):
 
109
        reporter = InstrumentedReporter()
 
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        _mod_delta.report_changes([(file_id, path, content_change, versioned,
 
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            parent_id, name, kind, executable)], reporter)
 
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        output = reporter.calls[0]
 
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        self.assertEqual(file_id, output[0])
 
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        self.assertEqual(path, output[1])
 
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        self.assertEqual(versioned_change, output[2])
 
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        self.assertEqual(renamed, output[3])
 
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        self.assertEqual(modified, output[4])
 
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        self.assertEqual(exe_change, output[5])
 
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        self.assertEqual(kind, output[6])
 
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121
    def test_report_changes(self):
 
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        """Test change detection of report_changes"""
 
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        #Ensure no changes are detected by default
 
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        self.assertChangesEqual(modified='unchanged', renamed=False,
 
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                                versioned_change='unchanged',
 
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                                exe_change=False)
 
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        self.assertChangesEqual(modified='kind changed',
 
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                                kind=('file', 'directory'))
 
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        self.assertChangesEqual(modified='created', kind=(None, 'directory'))
 
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        self.assertChangesEqual(modified='deleted', kind=('directory', None))
 
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        self.assertChangesEqual(content_change=True, modified='modified')
 
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        self.assertChangesEqual(renamed=True, name=('old', 'new'))
 
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        self.assertChangesEqual(renamed=True,
 
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                                parent_id=('old-parent', 'new-parent'))
 
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        self.assertChangesEqual(versioned_change='added',
 
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                                versioned=(False, True))
 
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        self.assertChangesEqual(versioned_change='removed',
 
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                                versioned=(True, False))
 
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        # execute bit is only detected as "changed" if the file is and was
 
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        # a regular file.
 
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        self.assertChangesEqual(exe_change=True, executable=(True, False))
 
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        self.assertChangesEqual(exe_change=False, executable=(True, False),
 
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                                kind=('directory', 'directory'))
 
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        self.assertChangesEqual(exe_change=False, modified='kind changed',
 
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                                executable=(False, True),
 
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                                kind=('directory', 'file'))
 
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        # Now make sure they all work together
 
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        self.assertChangesEqual(versioned_change='removed',
 
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                                modified='deleted', versioned=(True, False),
 
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                                kind=('directory', None))
 
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        self.assertChangesEqual(versioned_change='removed',
 
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                                modified='created', versioned=(True, False),
 
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                                kind=(None, 'file'))
 
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        self.assertChangesEqual(versioned_change='removed',
 
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                                modified='modified', renamed=True,
 
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                                exe_change=True, versioned=(True, False),
 
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                                content_change=True, name=('old', 'new'),
 
159
                                executable=(False, True))
 
160
 
 
161
 
 
162
class TestChangesFrom (tests.TestCaseWithTransport):
 
163
 
 
164
    def show_string(self, delta, *args,  **kwargs):
 
165
        to_file = StringIO()
 
166
        delta.show(to_file, *args, **kwargs)
 
167
        return to_file.getvalue()
 
168
 
 
169
    def test_kind_change(self):
 
170
        """Doing a status when a file has changed kind should work"""
 
171
        tree = self.make_branch_and_tree('.')
 
172
        self.build_tree(['filename'])
 
173
        tree.add('filename', 'file-id')
 
174
        tree.commit('added filename')
 
175
        os.unlink('filename')
 
176
        self.build_tree(['filename/'])
 
177
        delta = tree.changes_from(tree.basis_tree())
 
178
        self.assertEqual([('filename', 'file-id', 'file', 'directory')],
 
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                         delta.kind_changed)
 
180
        self.assertEqual([], delta.added)
 
181
        self.assertEqual([], delta.removed)
 
182
        self.assertEqual([], delta.renamed)
 
183
        self.assertEqual([], delta.modified)
 
184
        self.assertEqual([], delta.unchanged)
 
185
        self.assertTrue(delta.has_changed())
 
186
        self.assertTrue(delta.touches_file_id('file-id'))
 
187
        self.assertEqual('kind changed:\n  filename (file => directory)\n',
 
188
                         self.show_string(delta))
 
189
        other_delta = _mod_delta.TreeDelta()
 
190
        self.assertNotEqual(other_delta, delta)
 
191
        other_delta.kind_changed = [('filename', 'file-id', 'file',
 
192
                                     'symlink')]
 
193
        self.assertNotEqual(other_delta, delta)
 
194
        other_delta.kind_changed = [('filename', 'file-id', 'file',
 
195
                                     'directory')]
 
196
        self.assertEqual(other_delta, delta)
 
197
        self.assertEqualDiff("TreeDelta(added=[], removed=[], renamed=[],"
 
198
            " kind_changed=[(u'filename', 'file-id', 'file', 'directory')],"
 
199
            " modified=[], unchanged=[])", repr(delta))
 
200
        self.assertEqual('K  filename (file => directory) file-id\n',
 
201
                         self.show_string(delta, show_ids=True,
 
202
                         short_status=True))
 
203
 
 
204
        tree.rename_one('filename', 'dirname')
 
205
        delta = tree.changes_from(tree.basis_tree())
 
206
        self.assertEqual([], delta.kind_changed)
 
207
        # This loses the fact that kind changed, remembering it as a
 
208
        # modification
 
209
        self.assertEqual([('filename', 'dirname', 'file-id', 'directory',
 
210
                           True, False)], delta.renamed)
 
211
        self.assertTrue(delta.has_changed())
 
212
        self.assertTrue(delta.touches_file_id('file-id'))