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Viewing changes to bzrlib/tests/test_delta.py

  • Committer: Martin Pool
  • Date: 2005-08-05 19:23:12 UTC
  • Revision ID: mbp@sourcefrog.net-20050805192312-273968b3145cbcf6
- cleanup re-raise of exception

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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
 
from cStringIO import StringIO
19
 
 
20
 
from bzrlib import (
21
 
    delta as _mod_delta,
22
 
    revision as _mod_revision,
23
 
    tests,
24
 
    )
25
 
 
26
 
 
27
 
class InstrumentedReporter(object):
28
 
    def __init__(self):
29
 
        self.calls = []
30
 
 
31
 
    def report(self, file_id, path, versioned, renamed, modified, exe_change,
32
 
               kind):
33
 
        self.calls.append((file_id, path, versioned, renamed, modified,
34
 
                           exe_change, kind))
35
 
 
36
 
 
37
 
class TestReportChanges(tests.TestCase):
38
 
    """Test the new change reporting infrastructure"""
39
 
 
40
 
    def assertReport(self, expected, file_id='fid', path='path',
41
 
                     versioned_change='unchanged', renamed=False,
42
 
                     modified='unchanged', exe_change=False,
43
 
                     kind=('file', 'file'), old_path=None,
44
 
                     unversioned_filter=None, view_info=None):
45
 
        if expected is None:
46
 
            expected_lines = None
47
 
        else:
48
 
            expected_lines = [expected]
49
 
        self.assertReportLines(expected_lines, file_id, path,
50
 
                     versioned_change, renamed,
51
 
                     modified, exe_change,
52
 
                     kind, old_path,
53
 
                     unversioned_filter, view_info)
54
 
 
55
 
    def assertReportLines(self, expected_lines, file_id='fid', path='path',
56
 
                     versioned_change='unchanged', renamed=False,
57
 
                     modified='unchanged', exe_change=False,
58
 
                     kind=('file', 'file'), old_path=None,
59
 
                     unversioned_filter=None, view_info=None):
60
 
        result = []
61
 
        def result_line(format, *args):
62
 
            result.append(format % args)
63
 
        reporter = _mod_delta._ChangeReporter(result_line,
64
 
            unversioned_filter=unversioned_filter, view_info=view_info)
65
 
        reporter.report(file_id, (old_path, path), versioned_change, renamed,
66
 
            modified, exe_change, kind)
67
 
        if expected_lines is not None:
68
 
            self.assertEqualDiff('\n'.join(expected_lines), '\n'.join(result))
69
 
        else:
70
 
            self.assertEqual([], result)
71
 
 
72
 
    def test_rename(self):
73
 
        self.assertReport('R   old => path', renamed=True, old_path='old')
74
 
        self.assertReport('    path')
75
 
        self.assertReport('RN  old => path', renamed=True, old_path='old',
76
 
                          modified='created', kind=(None, 'file'))
77
 
 
78
 
    def test_kind(self):
79
 
        self.assertReport(' K  path => path/', modified='kind changed',
80
 
                          kind=('file', 'directory'), old_path='path')
81
 
        self.assertReport(' K  path/ => path', modified='kind changed',
82
 
                          kind=('directory', 'file'), old_path='old')
83
 
        self.assertReport('RK  old => path/', renamed=True,
84
 
                          modified='kind changed',
85
 
                          kind=('file', 'directory'), old_path='old')
86
 
    def test_new(self):
87
 
        self.assertReport(' N  path/', modified='created',
88
 
                          kind=(None, 'directory'))
89
 
        self.assertReport('+   path/', versioned_change='added',
90
 
                          modified='unchanged', kind=(None, 'directory'))
91
 
        self.assertReport('+   path', versioned_change='added',
92
 
                          modified='unchanged', kind=(None, None))
93
 
        self.assertReport('+N  path/', versioned_change='added',
94
 
                          modified='created', kind=(None, 'directory'))
95
 
        self.assertReport('+M  path/', versioned_change='added',
96
 
                          modified='modified', kind=(None, 'directory'))
97
 
 
98
 
    def test_removal(self):
99
 
        self.assertReport(' D  path/', modified='deleted',
100
 
                          kind=('directory', None), old_path='old')
101
 
        self.assertReport('-   path/', versioned_change='removed',
102
 
                          old_path='path',
103
 
                          kind=(None, 'directory'))
104
 
        self.assertReport('-D  path', versioned_change='removed',
105
 
                          old_path='path',
106
 
                          modified='deleted', kind=('file', 'directory'))
107
 
 
108
 
    def test_modification(self):
109
 
        self.assertReport(' M  path', modified='modified')
110
 
        self.assertReport(' M* path', modified='modified', exe_change=True)
111
 
 
112
 
    def test_unversioned(self):
113
 
        # by default any unversioned file is output
114
 
        self.assertReport('?   subdir/foo~', file_id=None, path='subdir/foo~',
115
 
            old_path=None, versioned_change='unversioned',
116
 
            renamed=False, modified='created', exe_change=False,
117
 
            kind=(None, 'file'))
118
 
        # but we can choose to filter these. Probably that should be done
119
 
        # close to the tree, but this is a reasonable starting point.
120
 
        self.assertReport(None, file_id=None, path='subdir/foo~',
121
 
            old_path=None, versioned_change='unversioned',
122
 
            renamed=False, modified='created', exe_change=False,
123
 
            kind=(None, 'file'), unversioned_filter=lambda x:True)
124
 
 
125
 
    def test_missing(self):
126
 
        self.assertReport('+!  missing.c', file_id=None, path='missing.c',
127
 
             old_path=None, versioned_change='added',
128
 
             renamed=False, modified='missing', exe_change=False,
129
 
             kind=(None, None))
130
 
 
131
 
    def test_view_filtering(self):
132
 
        # If a file in within the view, it should appear in the output
133
 
        expected_lines = [
134
 
            "Operating on whole tree but only reporting on 'my' view.",
135
 
            " M  path"]
136
 
        self.assertReportLines(expected_lines, modified='modified',
137
 
            view_info=('my',['path']))
138
 
        # If a file in outside the view, it should not appear in the output
139
 
        expected_lines = [
140
 
            "Operating on whole tree but only reporting on 'my' view."]
141
 
        self.assertReportLines(expected_lines, modified='modified',
142
 
            path="foo", view_info=('my',['path']))
143
 
 
144
 
    def assertChangesEqual(self,
145
 
                           file_id='fid',
146
 
                           paths=('path', 'path'),
147
 
                           content_change=False,
148
 
                           versioned=(True, True),
149
 
                           parent_id=('pid', 'pid'),
150
 
                           name=('name', 'name'),
151
 
                           kind=('file', 'file'),
152
 
                           executable=(False, False),
153
 
                           versioned_change='unchanged',
154
 
                           renamed=False,
155
 
                           modified='unchanged',
156
 
                           exe_change=False):
157
 
        reporter = InstrumentedReporter()
158
 
        _mod_delta.report_changes([(file_id, paths, content_change, versioned,
159
 
            parent_id, name, kind, executable)], reporter)
160
 
        output = reporter.calls[0]
161
 
        self.assertEqual(file_id, output[0])
162
 
        self.assertEqual(paths, output[1])
163
 
        self.assertEqual(versioned_change, output[2])
164
 
        self.assertEqual(renamed, output[3])
165
 
        self.assertEqual(modified, output[4])
166
 
        self.assertEqual(exe_change, output[5])
167
 
        self.assertEqual(kind, output[6])
168
 
 
169
 
    def test_report_changes(self):
170
 
        """Test change detection of report_changes"""
171
 
        #Ensure no changes are detected by default
172
 
        self.assertChangesEqual(modified='unchanged', renamed=False,
173
 
                                versioned_change='unchanged',
174
 
                                exe_change=False)
175
 
        self.assertChangesEqual(modified='kind changed',
176
 
                                kind=('file', 'directory'))
177
 
        self.assertChangesEqual(modified='created', kind=(None, 'directory'))
178
 
        self.assertChangesEqual(modified='deleted', kind=('directory', None))
179
 
        self.assertChangesEqual(content_change=True, modified='modified')
180
 
        self.assertChangesEqual(renamed=True, name=('old', 'new'))
181
 
        self.assertChangesEqual(renamed=True,
182
 
                                parent_id=('old-parent', 'new-parent'))
183
 
        self.assertChangesEqual(versioned_change='added',
184
 
                                versioned=(False, True))
185
 
        self.assertChangesEqual(versioned_change='removed',
186
 
                                versioned=(True, False))
187
 
        # execute bit is only detected as "changed" if the file is and was
188
 
        # a regular file.
189
 
        self.assertChangesEqual(exe_change=True, executable=(True, False))
190
 
        self.assertChangesEqual(exe_change=False, executable=(True, False),
191
 
                                kind=('directory', 'directory'))
192
 
        self.assertChangesEqual(exe_change=False, modified='kind changed',
193
 
                                executable=(False, True),
194
 
                                kind=('directory', 'file'))
195
 
        self.assertChangesEqual(parent_id=('pid', None))
196
 
 
197
 
        # Now make sure they all work together
198
 
        self.assertChangesEqual(versioned_change='removed',
199
 
                                modified='deleted', versioned=(True, False),
200
 
                                kind=('directory', None))
201
 
        self.assertChangesEqual(versioned_change='removed',
202
 
                                modified='created', versioned=(True, False),
203
 
                                kind=(None, 'file'))
204
 
        self.assertChangesEqual(versioned_change='removed',
205
 
                                modified='modified', renamed=True,
206
 
                                exe_change=True, versioned=(True, False),
207
 
                                content_change=True, name=('old', 'new'),
208
 
                                executable=(False, True))
209
 
 
210
 
    def test_report_unversioned(self):
211
 
        """Unversioned entries are reported well."""
212
 
        self.assertChangesEqual(file_id=None, paths=(None, 'full/path'),
213
 
                           content_change=True,
214
 
                           versioned=(False, False),
215
 
                           parent_id=(None, None),
216
 
                           name=(None, 'path'),
217
 
                           kind=(None, 'file'),
218
 
                           executable=(None, False),
219
 
                           versioned_change='unversioned',
220
 
                           renamed=False,
221
 
                           modified='created',
222
 
                           exe_change=False)
223
 
 
224
 
 
225
 
class TestChangesFrom(tests.TestCaseWithTransport):
226
 
 
227
 
    def show_string(self, delta, *args,  **kwargs):
228
 
        to_file = StringIO()
229
 
        _mod_delta.report_delta(to_file, delta, *args, **kwargs)
230
 
        return to_file.getvalue()
231
 
 
232
 
    def test_kind_change(self):
233
 
        """Doing a status when a file has changed kind should work"""
234
 
        tree = self.make_branch_and_tree('.')
235
 
        self.build_tree(['filename'])
236
 
        tree.add('filename', 'file-id')
237
 
        tree.commit('added filename')
238
 
        os.unlink('filename')
239
 
        self.build_tree(['filename/'])
240
 
        delta = tree.changes_from(tree.basis_tree())
241
 
        self.assertEqual([('filename', 'file-id', 'file', 'directory')],
242
 
                         delta.kind_changed)
243
 
        self.assertEqual([], delta.added)
244
 
        self.assertEqual([], delta.removed)
245
 
        self.assertEqual([], delta.renamed)
246
 
        self.assertEqual([], delta.modified)
247
 
        self.assertEqual([], delta.unchanged)
248
 
        self.assertTrue(delta.has_changed())
249
 
        self.assertTrue(delta.touches_file_id('file-id'))
250
 
        self.assertEqual('kind changed:\n  filename (file => directory)\n',
251
 
                         self.show_string(delta))
252
 
        other_delta = _mod_delta.TreeDelta()
253
 
        self.assertNotEqual(other_delta, delta)
254
 
        other_delta.kind_changed = [('filename', 'file-id', 'file',
255
 
                                     'symlink')]
256
 
        self.assertNotEqual(other_delta, delta)
257
 
        other_delta.kind_changed = [('filename', 'file-id', 'file',
258
 
                                     'directory')]
259
 
        self.assertEqual(other_delta, delta)
260
 
        self.assertEqualDiff("TreeDelta(added=[], removed=[], renamed=[],"
261
 
            " kind_changed=[(u'filename', 'file-id', 'file', 'directory')],"
262
 
            " modified=[], unchanged=[], unversioned=[])", repr(delta))
263
 
        self.assertEqual('K  filename (file => directory) file-id\n',
264
 
                         self.show_string(delta, show_ids=True,
265
 
                         short_status=True))
266
 
 
267
 
        tree.rename_one('filename', 'dirname')
268
 
        delta = tree.changes_from(tree.basis_tree())
269
 
        self.assertEqual([], delta.kind_changed)
270
 
        # This loses the fact that kind changed, remembering it as a
271
 
        # modification
272
 
        self.assertEqual([('filename', 'dirname', 'file-id', 'directory',
273
 
                           True, False)], delta.renamed)
274
 
        self.assertTrue(delta.has_changed())
275
 
        self.assertTrue(delta.touches_file_id('file-id'))
276
 
 
277
 
 
278
 
class TestDeltaShow(tests.TestCaseWithTransport):
279
 
 
280
 
    def _get_delta(self):
281
 
        # We build the delta from a real tree to avoid depending on internal
282
 
        # implementation details.
283
 
        wt = self.make_branch_and_tree('branch')
284
 
        self.build_tree_contents([('branch/f1', '1\n'),
285
 
                                  ('branch/f2', '2\n'),
286
 
                                  ('branch/f3', '3\n'),
287
 
                                  ('branch/f4', '4\n'),
288
 
                                  ('branch/f5', '5\n'),
289
 
                                  ('branch/dir/',),
290
 
                                 ])
291
 
        wt.add(['f1', 'f2', 'f3', 'f4', 'dir'],
292
 
               ['f1-id', 'f2-id', 'f3-id', 'f4-id', 'dir-id'])
293
 
        wt.commit('commit one', rev_id='1')
294
 
 
295
 
        # TODO add rename,removed,etc. here?
296
 
        wt.add('f5')
297
 
        os.unlink('branch/f5')
298
 
 
299
 
        long_status = """added:
300
 
  dir/
301
 
  f1
302
 
  f2
303
 
  f3
304
 
  f4
305
 
missing:
306
 
  f5
307
 
"""
308
 
        short_status = """A  dir/
309
 
A  f1
310
 
A  f2
311
 
A  f3
312
 
A  f4
313
 
!  f5
314
 
"""
315
 
 
316
 
        repo = wt.branch.repository
317
 
        d = wt.changes_from(repo.revision_tree(_mod_revision.NULL_REVISION))
318
 
        return d, long_status, short_status
319
 
 
320
 
    def test_delta_show_short_status_no_filter(self):
321
 
        d, long_status, short_status = self._get_delta()
322
 
        out = StringIO()
323
 
        _mod_delta.report_delta(out, d, short_status=True)
324
 
        self.assertEqual(short_status, out.getvalue())
325
 
 
326
 
    def test_delta_show_long_status_no_filter(self):
327
 
        d, long_status, short_status = self._get_delta()
328
 
        out = StringIO()
329
 
        _mod_delta.report_delta(out, d, short_status=False)
330
 
        self.assertEqual(long_status, out.getvalue())
331
 
 
332
 
    def test_delta_show_no_filter(self):
333
 
        d, long_status, short_status = self._get_delta()
334
 
        out = StringIO()
335
 
        def not_a_filter(path, file_id):
336
 
            return True
337
 
        _mod_delta.report_delta(out, d, short_status=True, filter=not_a_filter)
338
 
        self.assertEqual(short_status, out.getvalue())
339
 
 
340
 
    def test_delta_show_short_status_single_file_filter(self):
341
 
        d, long_status, short_status = self._get_delta()
342
 
        out = StringIO()
343
 
        def only_f2(path, file_id):
344
 
            return path == 'f2'
345
 
        _mod_delta.report_delta(out, d, short_status=True, filter=only_f2)
346
 
        self.assertEqual("A  f2\n", out.getvalue())
347
 
 
348
 
    def test_delta_show_long_status_single_file_filter(self):
349
 
        d, long_status, short_status = self._get_delta()
350
 
        out = StringIO()
351
 
        def only_f2(path, file_id):
352
 
            return path == 'f2'
353
 
        _mod_delta.report_delta(out, d, short_status=False, filter=only_f2)
354
 
        self.assertEqual("added:\n  f2\n", out.getvalue())
355
 
 
356
 
    def test_delta_show_short_status_single_file_id_filter(self):
357
 
        d, long_status, short_status = self._get_delta()
358
 
        out = StringIO()
359
 
        def only_f2_id(path, file_id):
360
 
            return file_id == 'f2-id'
361
 
        _mod_delta.report_delta(out, d, short_status=True, filter=only_f2_id)
362
 
        self.assertEqual("A  f2\n", out.getvalue())
363