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Viewing changes to breezy/tests/test_delta.py

  • Committer: John Arbash Meinel
  • Date: 2006-04-25 15:05:42 UTC
  • mfrom: (1185.85.85 bzr-encoding)
  • mto: This revision was merged to the branch mainline in revision 1752.
  • Revision ID: john@arbash-meinel.com-20060425150542-c7b518dca9928691
[merge] the old bzr-encoding changes, reparenting them on bzr.dev

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1
 
# Copyright (C) 2007-2010, 2016 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
import os
18
 
 
19
 
from .. import (
20
 
    delta as _mod_delta,
21
 
    revision as _mod_revision,
22
 
    tests,
23
 
    )
24
 
from ..tree import TreeChange
25
 
from ..sixish import (
26
 
    PY3,
27
 
    StringIO,
28
 
    )
29
 
 
30
 
 
31
 
class InstrumentedReporter(object):
32
 
    def __init__(self):
33
 
        self.calls = []
34
 
 
35
 
    def report(self, path, versioned, renamed, copied, modified, exe_change,
36
 
               kind):
37
 
        self.calls.append(
38
 
            (path, versioned, renamed, copied, modified, exe_change, kind))
39
 
 
40
 
 
41
 
class TestReportChanges(tests.TestCase):
42
 
    """Test the new change reporting infrastructure"""
43
 
 
44
 
    def assertReport(self, expected, file_id=b'fid', path='path',
45
 
                     versioned_change='unchanged', renamed=False,
46
 
                     copied=False, modified='unchanged', exe_change=False,
47
 
                     kind=('file', 'file'), old_path=None,
48
 
                     unversioned_filter=None, view_info=None):
49
 
        if expected is None:
50
 
            expected_lines = None
51
 
        else:
52
 
            expected_lines = [expected]
53
 
        self.assertReportLines(expected_lines, file_id, path,
54
 
                               versioned_change, renamed,
55
 
                               copied, modified, exe_change,
56
 
                               kind, old_path,
57
 
                               unversioned_filter, view_info)
58
 
 
59
 
    def assertReportLines(self, expected_lines, file_id=b'fid', path='path',
60
 
                          versioned_change='unchanged', renamed=False, copied=False,
61
 
                          modified='unchanged', exe_change=False,
62
 
                          kind=('file', 'file'), old_path=None,
63
 
                          unversioned_filter=None, view_info=None):
64
 
        result = []
65
 
 
66
 
        def result_line(format, *args):
67
 
            result.append(format % args)
68
 
        reporter = _mod_delta._ChangeReporter(
69
 
            result_line, unversioned_filter=unversioned_filter,
70
 
            view_info=view_info)
71
 
        reporter.report((old_path, path), versioned_change, renamed, copied,
72
 
                        modified, exe_change, kind)
73
 
        if expected_lines is not None:
74
 
            self.assertEqualDiff('\n'.join(expected_lines), '\n'.join(result))
75
 
        else:
76
 
            self.assertEqual([], result)
77
 
 
78
 
    def test_rename(self):
79
 
        self.assertReport('R   old => path', renamed=True, old_path='old')
80
 
        self.assertReport('    path')
81
 
        self.assertReport('RN  old => path', renamed=True, old_path='old',
82
 
                          modified='created', kind=(None, 'file'))
83
 
 
84
 
    def test_kind(self):
85
 
        self.assertReport(' K  path => path/', modified='kind changed',
86
 
                          kind=('file', 'directory'), old_path='path')
87
 
        self.assertReport(' K  path/ => path', modified='kind changed',
88
 
                          kind=('directory', 'file'), old_path='old')
89
 
        self.assertReport('RK  old => path/', renamed=True,
90
 
                          modified='kind changed',
91
 
                          kind=('file', 'directory'), old_path='old')
92
 
 
93
 
    def test_new(self):
94
 
        self.assertReport(' N  path/', modified='created',
95
 
                          kind=(None, 'directory'))
96
 
        self.assertReport('+   path/', versioned_change='added',
97
 
                          modified='unchanged', kind=(None, 'directory'))
98
 
        self.assertReport('+   path', versioned_change='added',
99
 
                          modified='unchanged', kind=(None, None))
100
 
        self.assertReport('+N  path/', versioned_change='added',
101
 
                          modified='created', kind=(None, 'directory'))
102
 
        self.assertReport('+M  path/', versioned_change='added',
103
 
                          modified='modified', kind=(None, 'directory'))
104
 
 
105
 
    def test_removal(self):
106
 
        self.assertReport(' D  path/', modified='deleted',
107
 
                          kind=('directory', None), old_path='old')
108
 
        self.assertReport('-   path/', versioned_change='removed',
109
 
                          old_path='path',
110
 
                          kind=(None, 'directory'))
111
 
        self.assertReport('-D  path', versioned_change='removed',
112
 
                          old_path='path',
113
 
                          modified='deleted', kind=('file', 'directory'))
114
 
 
115
 
    def test_modification(self):
116
 
        self.assertReport(' M  path', modified='modified')
117
 
        self.assertReport(' M* path', modified='modified', exe_change=True)
118
 
 
119
 
    def test_unversioned(self):
120
 
        # by default any unversioned file is output
121
 
        self.assertReport('?   subdir/foo~', file_id=None, path='subdir/foo~',
122
 
                          old_path=None, versioned_change='unversioned',
123
 
                          renamed=False, modified='created', exe_change=False,
124
 
                          kind=(None, 'file'))
125
 
        # but we can choose to filter these. Probably that should be done
126
 
        # close to the tree, but this is a reasonable starting point.
127
 
        self.assertReport(None, file_id=None, path='subdir/foo~',
128
 
                          old_path=None, versioned_change='unversioned',
129
 
                          renamed=False, modified='created', exe_change=False,
130
 
                          kind=(None, 'file'), unversioned_filter=lambda x: True)
131
 
 
132
 
    def test_missing(self):
133
 
        self.assertReport('+!  missing.c', file_id=None, path='missing.c',
134
 
                          old_path=None, versioned_change='added',
135
 
                          renamed=False, modified='missing', exe_change=False,
136
 
                          kind=(None, None))
137
 
 
138
 
    def test_view_filtering(self):
139
 
        # If a file in within the view, it should appear in the output
140
 
        expected_lines = [
141
 
            "Operating on whole tree but only reporting on 'my' view.",
142
 
            " M  path"]
143
 
        self.assertReportLines(expected_lines, modified='modified',
144
 
                               view_info=('my', ['path']))
145
 
        # If a file in outside the view, it should not appear in the output
146
 
        expected_lines = [
147
 
            "Operating on whole tree but only reporting on 'my' view."]
148
 
        self.assertReportLines(expected_lines, modified='modified',
149
 
                               path="foo", view_info=('my', ['path']))
150
 
 
151
 
    def assertChangesEqual(self,
152
 
                           file_id=b'fid',
153
 
                           paths=('path', 'path'),
154
 
                           content_change=False,
155
 
                           versioned=(True, True),
156
 
                           parent_id=('pid', 'pid'),
157
 
                           name=('name', 'name'),
158
 
                           kind=('file', 'file'),
159
 
                           executable=(False, False),
160
 
                           versioned_change='unchanged',
161
 
                           renamed=False,
162
 
                           copied=False,
163
 
                           modified='unchanged',
164
 
                           exe_change=False):
165
 
        reporter = InstrumentedReporter()
166
 
        _mod_delta.report_changes([
167
 
            TreeChange(
168
 
                file_id, paths, content_change, versioned, parent_id,
169
 
                name, kind, executable, copied)], reporter)
170
 
        output = reporter.calls[0]
171
 
        self.assertEqual(paths, output[0])
172
 
        self.assertEqual(versioned_change, output[1])
173
 
        self.assertEqual(renamed, output[2])
174
 
        self.assertEqual(copied, output[3])
175
 
        self.assertEqual(modified, output[4])
176
 
        self.assertEqual(exe_change, output[5])
177
 
        self.assertEqual(kind, output[6])
178
 
 
179
 
    def test_report_changes(self):
180
 
        """Test change detection of report_changes"""
181
 
        # Ensure no changes are detected by default
182
 
        self.assertChangesEqual(modified='unchanged', renamed=False,
183
 
                                versioned_change='unchanged',
184
 
                                exe_change=False)
185
 
        self.assertChangesEqual(modified='kind changed',
186
 
                                kind=('file', 'directory'))
187
 
        self.assertChangesEqual(modified='created', kind=(None, 'directory'))
188
 
        self.assertChangesEqual(modified='deleted', kind=('directory', None))
189
 
        self.assertChangesEqual(content_change=True, modified='modified')
190
 
        self.assertChangesEqual(renamed=True, name=('old', 'new'))
191
 
        self.assertChangesEqual(renamed=True,
192
 
                                parent_id=('old-parent', 'new-parent'))
193
 
        self.assertChangesEqual(versioned_change='added',
194
 
                                versioned=(False, True))
195
 
        self.assertChangesEqual(versioned_change='removed',
196
 
                                versioned=(True, False))
197
 
        # execute bit is only detected as "changed" if the file is and was
198
 
        # a regular file.
199
 
        self.assertChangesEqual(exe_change=True, executable=(True, False))
200
 
        self.assertChangesEqual(exe_change=False, executable=(True, False),
201
 
                                kind=('directory', 'directory'))
202
 
        self.assertChangesEqual(exe_change=False, modified='kind changed',
203
 
                                executable=(False, True),
204
 
                                kind=('directory', 'file'))
205
 
        self.assertChangesEqual(parent_id=('pid', None))
206
 
 
207
 
        # Now make sure they all work together
208
 
        self.assertChangesEqual(versioned_change='removed',
209
 
                                modified='deleted', versioned=(True, False),
210
 
                                kind=('directory', None))
211
 
        self.assertChangesEqual(versioned_change='removed',
212
 
                                modified='created', versioned=(True, False),
213
 
                                kind=(None, 'file'))
214
 
        self.assertChangesEqual(versioned_change='removed',
215
 
                                modified='modified', renamed=True,
216
 
                                exe_change=True, versioned=(True, False),
217
 
                                content_change=True, name=('old', 'new'),
218
 
                                executable=(False, True))
219
 
 
220
 
    def test_report_unversioned(self):
221
 
        """Unversioned entries are reported well."""
222
 
        self.assertChangesEqual(file_id=None, paths=(None, 'full/path'),
223
 
                                content_change=True,
224
 
                                versioned=(False, False),
225
 
                                parent_id=(None, None),
226
 
                                name=(None, 'path'),
227
 
                                kind=(None, 'file'),
228
 
                                executable=(None, False),
229
 
                                versioned_change='unversioned',
230
 
                                renamed=False,
231
 
                                modified='created',
232
 
                                exe_change=False)
233
 
 
234
 
 
235
 
class TestChangesFrom(tests.TestCaseWithTransport):
236
 
 
237
 
    def show_string(self, delta, *args, **kwargs):
238
 
        to_file = StringIO()
239
 
        _mod_delta.report_delta(to_file, delta, *args, **kwargs)
240
 
        return to_file.getvalue()
241
 
 
242
 
    def test_kind_change(self):
243
 
        """Doing a status when a file has changed kind should work"""
244
 
        tree = self.make_branch_and_tree('.')
245
 
        self.build_tree(['filename'])
246
 
        tree.add('filename', b'file-id')
247
 
        tree.commit('added filename')
248
 
        os.unlink('filename')
249
 
        self.build_tree(['filename/'])
250
 
        delta = tree.changes_from(tree.basis_tree())
251
 
        self.assertEqual([('filename', 'file', 'directory')],
252
 
                         [(c.path[1], c.kind[0], c.kind[1]) for c in delta.kind_changed])
253
 
        self.assertEqual([], delta.added)
254
 
        self.assertEqual([], delta.removed)
255
 
        self.assertEqual([], delta.renamed)
256
 
        self.assertEqual([], delta.modified)
257
 
        self.assertEqual([], delta.unchanged)
258
 
        self.assertTrue(delta.has_changed())
259
 
        self.assertEqual('kind changed:\n  filename (file => directory)\n',
260
 
                         self.show_string(delta))
261
 
        other_delta = _mod_delta.TreeDelta()
262
 
        self.assertNotEqual(other_delta, delta)
263
 
        other_delta.kind_changed = [
264
 
            TreeChange(
265
 
                b'file-id',
266
 
                ('filename', 'filename'), True, (True, True),
267
 
                (tree.path2id(''), tree.path2id('')),
268
 
                ('filename', 'filename'),
269
 
                ('file', 'symlink'), (False, False))]
270
 
        self.assertNotEqual(other_delta, delta)
271
 
        other_delta.kind_changed = [
272
 
            TreeChange(
273
 
                b'file-id',
274
 
                ('filename', 'filename'), True, (True, True),
275
 
                (tree.path2id(''), tree.path2id('')), ('filename', 'filename'),
276
 
                ('file', 'directory'), (False, False))]
277
 
        self.assertEqual(other_delta, delta)
278
 
        self.assertEqual('K  filename (file => directory) file-id\n',
279
 
                         self.show_string(delta, show_ids=True,
280
 
                                          short_status=True))
281
 
 
282
 
        tree.rename_one('filename', 'dirname')
283
 
        delta = tree.changes_from(tree.basis_tree())
284
 
        self.assertEqual([], delta.kind_changed)
285
 
        # This loses the fact that kind changed, remembering it as a
286
 
        # modification
287
 
        self.assertEqual([TreeChange(
288
 
            b'file-id', ('filename', 'dirname'), True,
289
 
            (True, True), (tree.path2id(''), tree.path2id('')),
290
 
            ('filename', 'dirname'), ('file', 'directory'), (False, False))],
291
 
            delta.renamed)
292
 
        self.assertTrue(delta.has_changed())
293
 
 
294
 
 
295
 
class TestDeltaShow(tests.TestCaseWithTransport):
296
 
 
297
 
    def _get_delta(self):
298
 
        # We build the delta from a real tree to avoid depending on internal
299
 
        # implementation details.
300
 
        wt = self.make_branch_and_tree('branch')
301
 
        self.build_tree_contents([('branch/f1', b'1\n'),
302
 
                                  ('branch/f2', b'2\n'),
303
 
                                  ('branch/f3', b'3\n'),
304
 
                                  ('branch/f4', b'4\n'),
305
 
                                  ('branch/f5', b'5\n'),
306
 
                                  ('branch/dir/',),
307
 
                                  ])
308
 
        wt.add(['f1', 'f2', 'f3', 'f4', 'dir'],
309
 
               [b'f1-id', b'f2-id', b'f3-id', b'f4-id', b'dir-id'])
310
 
        wt.commit('commit one', rev_id=b'1')
311
 
 
312
 
        # TODO add rename,removed,etc. here?
313
 
        wt.add('f5')
314
 
        os.unlink('branch/f5')
315
 
 
316
 
        long_status = """added:
317
 
  dir/
318
 
  f1
319
 
  f2
320
 
  f3
321
 
  f4
322
 
missing:
323
 
  f5
324
 
"""
325
 
        short_status = """A  dir/
326
 
A  f1
327
 
A  f2
328
 
A  f3
329
 
A  f4
330
 
!  f5
331
 
"""
332
 
 
333
 
        repo = wt.branch.repository
334
 
        d = wt.changes_from(repo.revision_tree(_mod_revision.NULL_REVISION))
335
 
        return d, long_status, short_status
336
 
 
337
 
    def test_short_status(self):
338
 
        d, long_status, short_status = self._get_delta()
339
 
        out = StringIO()
340
 
        _mod_delta.report_delta(out, d, short_status=True)
341
 
        self.assertEqual(short_status, out.getvalue())
342
 
 
343
 
    def test_long_status(self):
344
 
        d, long_status, short_status = self._get_delta()
345
 
        out = StringIO()
346
 
        _mod_delta.report_delta(out, d, short_status=False)
347
 
        self.assertEqual(long_status, out.getvalue())
348
 
 
349
 
    def test_predicate_always(self):
350
 
        d, long_status, short_status = self._get_delta()
351
 
        out = StringIO()
352
 
 
353
 
        def always(path):
354
 
            return True
355
 
        _mod_delta.report_delta(out, d, short_status=True, predicate=always)
356
 
        self.assertEqual(short_status, out.getvalue())
357
 
 
358
 
    def test_short_status_path_predicate(self):
359
 
        d, long_status, short_status = self._get_delta()
360
 
        out = StringIO()
361
 
 
362
 
        def only_f2(path):
363
 
            return path == 'f2'
364
 
        _mod_delta.report_delta(out, d, short_status=True, predicate=only_f2)
365
 
        self.assertEqual("A  f2\n", out.getvalue())
366
 
 
367
 
    def test_long_status_path_predicate(self):
368
 
        d, long_status, short_status = self._get_delta()
369
 
        out = StringIO()
370
 
 
371
 
        def only_f2(path):
372
 
            return path == 'f2'
373
 
        _mod_delta.report_delta(out, d, short_status=False, predicate=only_f2)
374
 
        self.assertEqual("added:\n  f2\n", out.getvalue())