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bzrlib/tests/test_shelf_ui.py
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# Copyright (C) 2008 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
 
 
18
 
from cStringIO import StringIO
19
 
import os
20
 
import sys
21
 
 
22
 
from bzrlib import errors, shelf_ui, tests
23
 
 
24
 
 
25
 
class ExpectShelver(shelf_ui.Shelver):
26
 
    """A variant of Shelver that intercepts console activity, for testing."""
27
 
 
28
 
    def __init__(self, work_tree, target_tree, diff_writer=None,
29
 
                 auto=False, auto_apply=False, file_list=None, message=None,
30
 
                 destroy=False, reporter=None):
31
 
        shelf_ui.Shelver.__init__(self, work_tree, target_tree, diff_writer,
32
 
                                  auto, auto_apply, file_list, message,
33
 
                                  destroy, reporter=reporter)
34
 
        self.expected = []
35
 
        self.diff_writer = StringIO()
36
 
 
37
 
    def expect(self, prompt, response):
38
 
        self.expected.append((prompt, response))
39
 
 
40
 
    def prompt(self, message):
41
 
        try:
42
 
            prompt, response = self.expected.pop(0)
43
 
        except IndexError:
44
 
            raise AssertionError('Unexpected prompt: %s' % message)
45
 
        if prompt != message:
46
 
            raise AssertionError('Wrong prompt: %s' % message)
47
 
        return response
48
 
 
49
 
 
50
 
LINES_AJ = 'a\nb\nc\nd\ne\nf\ng\nh\ni\nj\n'
51
 
 
52
 
 
53
 
LINES_ZY = 'z\nb\nc\nd\ne\nf\ng\nh\ni\ny\n'
54
 
 
55
 
 
56
 
LINES_AY = 'a\nb\nc\nd\ne\nf\ng\nh\ni\ny\n'
57
 
 
58
 
 
59
 
class TestShelver(tests.TestCaseWithTransport):
60
 
 
61
 
    def create_shelvable_tree(self):
62
 
        tree = self.make_branch_and_tree('tree')
63
 
        self.build_tree_contents([('tree/foo', LINES_AJ)])
64
 
        tree.add('foo', 'foo-id')
65
 
        tree.commit('added foo')
66
 
        self.build_tree_contents([('tree/foo', LINES_ZY)])
67
 
        return tree
68
 
 
69
 
    def test_unexpected_prompt_failure(self):
70
 
        tree = self.create_shelvable_tree()
71
 
        shelver = ExpectShelver(tree, tree.basis_tree())
72
 
        e = self.assertRaises(AssertionError, shelver.run)
73
 
        self.assertEqual('Unexpected prompt: Shelve? [yNfq?]', str(e))
74
 
 
75
 
    def test_wrong_prompt_failure(self):
76
 
        tree = self.create_shelvable_tree()
77
 
        shelver = ExpectShelver(tree, tree.basis_tree())
78
 
        shelver.expect('foo', 'y')
79
 
        e = self.assertRaises(AssertionError, shelver.run)
80
 
        self.assertEqual('Wrong prompt: Shelve? [yNfq?]', str(e))
81
 
 
82
 
    def test_shelve_not_diff(self):
83
 
        tree = self.create_shelvable_tree()
84
 
        shelver = ExpectShelver(tree, tree.basis_tree())
85
 
        shelver.expect('Shelve? [yNfq?]', 'n')
86
 
        shelver.expect('Shelve? [yNfq?]', 'n')
87
 
        # No final shelving prompt because no changes were selected
88
 
        shelver.run()
89
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
90
 
 
91
 
    def test_shelve_diff_no(self):
92
 
        tree = self.create_shelvable_tree()
93
 
        shelver = ExpectShelver(tree, tree.basis_tree())
94
 
        shelver.expect('Shelve? [yNfq?]', 'y')
95
 
        shelver.expect('Shelve? [yNfq?]', 'y')
96
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'n')
97
 
        shelver.run()
98
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
99
 
 
100
 
    def test_shelve_diff(self):
101
 
        tree = self.create_shelvable_tree()
102
 
        shelver = ExpectShelver(tree, tree.basis_tree())
103
 
        shelver.expect('Shelve? [yNfq?]', 'y')
104
 
        shelver.expect('Shelve? [yNfq?]', 'y')
105
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
106
 
        shelver.run()
107
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
108
 
 
109
 
    def test_shelve_one_diff(self):
110
 
        tree = self.create_shelvable_tree()
111
 
        shelver = ExpectShelver(tree, tree.basis_tree())
112
 
        shelver.expect('Shelve? [yNfq?]', 'y')
113
 
        shelver.expect('Shelve? [yNfq?]', 'n')
114
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
115
 
        shelver.run()
116
 
        self.assertFileEqual(LINES_AY, 'tree/foo')
117
 
 
118
 
    def test_shelve_binary_change(self):
119
 
        tree = self.create_shelvable_tree()
120
 
        self.build_tree_contents([('tree/foo', '\x00')])
121
 
        shelver = ExpectShelver(tree, tree.basis_tree())
122
 
        shelver.expect('Shelve binary changes? [yNfq?]', 'y')
123
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
124
 
        shelver.run()
125
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
126
 
 
127
 
    def test_shelve_rename(self):
128
 
        tree = self.create_shelvable_tree()
129
 
        tree.rename_one('foo', 'bar')
130
 
        shelver = ExpectShelver(tree, tree.basis_tree())
131
 
        shelver.expect('Shelve renaming "foo" => "bar"? [yNfq?]', 'y')
132
 
        shelver.expect('Shelve? [yNfq?]', 'y')
133
 
        shelver.expect('Shelve? [yNfq?]', 'y')
134
 
        shelver.expect('Shelve 3 change(s)? [yNfq?]', 'y')
135
 
        shelver.run()
136
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
137
 
 
138
 
    def test_shelve_deletion(self):
139
 
        tree = self.create_shelvable_tree()
140
 
        os.unlink('tree/foo')
141
 
        shelver = ExpectShelver(tree, tree.basis_tree())
142
 
        shelver.expect('Shelve removing file "foo"? [yNfq?]', 'y')
143
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
144
 
        shelver.run()
145
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
146
 
 
147
 
    def test_shelve_creation(self):
148
 
        tree = self.make_branch_and_tree('tree')
149
 
        tree.commit('add tree root')
150
 
        self.build_tree(['tree/foo'])
151
 
        tree.add('foo')
152
 
        shelver = ExpectShelver(tree, tree.basis_tree())
153
 
        shelver.expect('Shelve adding file "foo"? [yNfq?]', 'y')
154
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
155
 
        shelver.run()
156
 
        self.failIfExists('tree/foo')
157
 
 
158
 
    def test_shelve_kind_change(self):
159
 
        tree = self.create_shelvable_tree()
160
 
        os.unlink('tree/foo')
161
 
        os.mkdir('tree/foo')
162
 
        shelver = ExpectShelver(tree, tree.basis_tree())
163
 
        shelver.expect('Shelve changing "foo" from file to directory? [yNfq?]',
164
 
                       'y')
165
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
166
 
 
167
 
    def test_shelve_modify_target(self):
168
 
        self.requireFeature(tests.SymlinkFeature)
169
 
        tree = self.create_shelvable_tree()
170
 
        os.symlink('bar', 'tree/baz')
171
 
        tree.add('baz', 'baz-id')
172
 
        tree.commit("Add symlink")
173
 
        os.unlink('tree/baz')
174
 
        os.symlink('vax', 'tree/baz')
175
 
        shelver = ExpectShelver(tree, tree.basis_tree())
176
 
        shelver.expect('Shelve changing target of "baz" from "bar" to '
177
 
                '"vax"? [yNfq?]', 'y')
178
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
179
 
        shelver.run()
180
 
        self.assertEqual('bar', os.readlink('tree/baz'))
181
 
 
182
 
    def test_shelve_finish(self):
183
 
        tree = self.create_shelvable_tree()
184
 
        shelver = ExpectShelver(tree, tree.basis_tree())
185
 
        shelver.expect('Shelve? [yNfq?]', 'f')
186
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
187
 
        shelver.run()
188
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
189
 
 
190
 
    def test_shelve_quit(self):
191
 
        tree = self.create_shelvable_tree()
192
 
        shelver = ExpectShelver(tree, tree.basis_tree())
193
 
        shelver.expect('Shelve? [yNfq?]', 'q')
194
 
        self.assertRaises(errors.UserAbort, shelver.run)
195
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
196
 
 
197
 
    def test_shelve_all(self):
198
 
        tree = self.create_shelvable_tree()
199
 
        ExpectShelver.from_args(sys.stdout, all=True, directory='tree').run()
200
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
201
 
 
202
 
    def test_shelve_filename(self):
203
 
        tree = self.create_shelvable_tree()
204
 
        self.build_tree(['tree/bar'])
205
 
        tree.add('bar')
206
 
        shelver = ExpectShelver(tree, tree.basis_tree(), file_list=['bar'])
207
 
        shelver.expect('Shelve adding file "bar"? [yNfq?]', 'y')
208
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
209
 
        shelver.run()
210
 
 
211
 
    def test_shelve_help(self):
212
 
        tree = self.create_shelvable_tree()
213
 
        shelver = ExpectShelver(tree, tree.basis_tree())
214
 
        shelver.expect('Shelve? [yNfq?]', '?')
215
 
        shelver.expect('Shelve? [(y)es, (N)o, (f)inish, or (q)uit]', 'f')
216
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
217
 
        shelver.run()
218
 
 
219
 
    def test_shelve_distroy(self):
220
 
        tree = self.create_shelvable_tree()
221
 
        shelver = shelf_ui.Shelver.from_args(sys.stdout, all=True,
222
 
                                             directory='tree', destroy=True)
223
 
        shelver.run()
224
 
        self.assertIs(None, tree.get_shelf_manager().last_shelf())
225
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
226
 
 
227
 
 
228
 
class TestApplyReporter(TestShelver):
229
 
 
230
 
    def test_shelve_not_diff(self):
231
 
        tree = self.create_shelvable_tree()
232
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
233
 
                                reporter=shelf_ui.ApplyReporter())
234
 
        shelver.expect('Apply change? [yNfq?]', 'n')
235
 
        shelver.expect('Apply change? [yNfq?]', 'n')
236
 
        # No final shelving prompt because no changes were selected
237
 
        shelver.run()
238
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
239
 
 
240
 
    def test_shelve_diff_no(self):
241
 
        tree = self.create_shelvable_tree()
242
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
243
 
                                reporter=shelf_ui.ApplyReporter())
244
 
        shelver.expect('Apply change? [yNfq?]', 'y')
245
 
        shelver.expect('Apply change? [yNfq?]', 'y')
246
 
        shelver.expect('Apply 2 change(s)? [yNfq?]', 'n')
247
 
        shelver.run()
248
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
249
 
 
250
 
    def test_shelve_diff(self):
251
 
        tree = self.create_shelvable_tree()
252
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
253
 
                                reporter=shelf_ui.ApplyReporter())
254
 
        shelver.expect('Apply change? [yNfq?]', 'y')
255
 
        shelver.expect('Apply change? [yNfq?]', 'y')
256
 
        shelver.expect('Apply 2 change(s)? [yNfq?]', 'y')
257
 
        shelver.run()
258
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
259
 
 
260
 
    def test_shelve_binary_change(self):
261
 
        tree = self.create_shelvable_tree()
262
 
        self.build_tree_contents([('tree/foo', '\x00')])
263
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
264
 
                                reporter=shelf_ui.ApplyReporter())
265
 
        shelver.expect('Apply binary changes? [yNfq?]', 'y')
266
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
267
 
        shelver.run()
268
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
269
 
 
270
 
    def test_shelve_rename(self):
271
 
        tree = self.create_shelvable_tree()
272
 
        tree.rename_one('foo', 'bar')
273
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
274
 
                                reporter=shelf_ui.ApplyReporter())
275
 
        shelver.expect('Rename "bar" => "foo"? [yNfq?]', 'y')
276
 
        shelver.expect('Apply change? [yNfq?]', 'y')
277
 
        shelver.expect('Apply change? [yNfq?]', 'y')
278
 
        shelver.expect('Apply 3 change(s)? [yNfq?]', 'y')
279
 
        shelver.run()
280
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
281
 
 
282
 
    def test_shelve_deletion(self):
283
 
        tree = self.create_shelvable_tree()
284
 
        os.unlink('tree/foo')
285
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
286
 
                                reporter=shelf_ui.ApplyReporter())
287
 
        shelver.expect('Add file "foo"? [yNfq?]', 'y')
288
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
289
 
        shelver.run()
290
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
291
 
 
292
 
    def test_shelve_creation(self):
293
 
        tree = self.make_branch_and_tree('tree')
294
 
        tree.commit('add tree root')
295
 
        self.build_tree(['tree/foo'])
296
 
        tree.add('foo')
297
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
298
 
                                reporter=shelf_ui.ApplyReporter())
299
 
        shelver.expect('Delete file "foo"? [yNfq?]', 'y')
300
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
301
 
        shelver.run()
302
 
        self.failIfExists('tree/foo')
303
 
 
304
 
    def test_shelve_kind_change(self):
305
 
        tree = self.create_shelvable_tree()
306
 
        os.unlink('tree/foo')
307
 
        os.mkdir('tree/foo')
308
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
309
 
                               reporter=shelf_ui.ApplyReporter())
310
 
        shelver.expect('Change "foo" from directory to a file? [yNfq?]', 'y')
311
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
312
 
 
313
 
    def test_shelve_modify_target(self):
314
 
        self.requireFeature(tests.SymlinkFeature)
315
 
        tree = self.create_shelvable_tree()
316
 
        os.symlink('bar', 'tree/baz')
317
 
        tree.add('baz', 'baz-id')
318
 
        tree.commit("Add symlink")
319
 
        os.unlink('tree/baz')
320
 
        os.symlink('vax', 'tree/baz')
321
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
322
 
                                reporter=shelf_ui.ApplyReporter())
323
 
        shelver.expect('Change target of "baz" from "vax" to "bar"? [yNfq?]',
324
 
                       'y')
325
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
326
 
        shelver.run()
327
 
        self.assertEqual('bar', os.readlink('tree/baz'))
328
 
 
329
 
 
330
 
class TestUnshelver(tests.TestCaseWithTransport):
331
 
 
332
 
    def create_tree_with_shelf(self):
333
 
        tree = self.make_branch_and_tree('tree')
334
 
        self.build_tree_contents([('tree/foo', LINES_AJ)])
335
 
        tree.add('foo', 'foo-id')
336
 
        tree.commit('added foo')
337
 
        self.build_tree_contents([('tree/foo', LINES_ZY)])
338
 
        shelf_ui.Shelver(tree, tree.basis_tree(), auto_apply=True,
339
 
                         auto=True).run()
340
 
        return tree
341
 
 
342
 
    def test_unshelve(self):
343
 
        tree = self.create_tree_with_shelf()
344
 
        tree.lock_write()
345
 
        self.addCleanup(tree.unlock)
346
 
        manager = tree.get_shelf_manager()
347
 
        shelf_ui.Unshelver(tree, manager, 1, True, True, True).run()
348
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
349
 
 
350
 
    def test_unshelve_args(self):
351
 
        tree = self.create_tree_with_shelf()
352
 
        shelf_ui.Unshelver.from_args(directory='tree').run()
353
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
354
 
        self.assertIs(None, tree.get_shelf_manager().last_shelf())
355
 
 
356
 
    def test_unshelve_args_dry_run(self):
357
 
        tree = self.create_tree_with_shelf()
358
 
        shelf_ui.Unshelver.from_args(directory='tree', action='dry-run').run()
359
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
360
 
        self.assertEqual(1, tree.get_shelf_manager().last_shelf())
361
 
 
362
 
    def test_unshelve_args_delete_only(self):
363
 
        tree = self.make_branch_and_tree('tree')
364
 
        manager = tree.get_shelf_manager()
365
 
        shelf_file = manager.new_shelf()[1]
366
 
        try:
367
 
            shelf_file.write('garbage')
368
 
        finally:
369
 
            shelf_file.close()
370
 
        unshelver = shelf_ui.Unshelver.from_args(directory='tree',
371
 
                                                 action='delete-only')
372
 
        unshelver.run()
373
 
        self.assertIs(None, manager.last_shelf())
374
 
 
375
 
    def test_unshelve_args_invalid_shelf_id(self):
376
 
        tree = self.make_branch_and_tree('tree')
377
 
        manager = tree.get_shelf_manager()
378
 
        shelf_file = manager.new_shelf()[1]
379
 
        try:
380
 
            shelf_file.write('garbage')
381
 
        finally:
382
 
            shelf_file.close()
383
 
        self.assertRaises(errors.InvalidShelfId,
384
 
            shelf_ui.Unshelver.from_args, directory='tree',
385
 
            action='delete-only', shelf_id='foo')