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bzrlib/tests/test_shelf_ui.py
1
 
# 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
 
from textwrap import dedent
22
 
 
23
 
from bzrlib import (
24
 
    errors,
25
 
    shelf_ui,
26
 
    revision,
27
 
    tests,
28
 
)
29
 
from bzrlib.tests import script
30
 
 
31
 
 
32
 
class ExpectShelver(shelf_ui.Shelver):
33
 
    """A variant of Shelver that intercepts console activity, for testing."""
34
 
 
35
 
    def __init__(self, work_tree, target_tree, diff_writer=None,
36
 
                 auto=False, auto_apply=False, file_list=None, message=None,
37
 
                 destroy=False, reporter=None):
38
 
        shelf_ui.Shelver.__init__(self, work_tree, target_tree, diff_writer,
39
 
                                  auto, auto_apply, file_list, message,
40
 
                                  destroy, reporter=reporter)
41
 
        self.expected = []
42
 
        self.diff_writer = StringIO()
43
 
 
44
 
    def expect(self, prompt, response):
45
 
        self.expected.append((prompt, response))
46
 
 
47
 
    def prompt(self, message):
48
 
        try:
49
 
            prompt, response = self.expected.pop(0)
50
 
        except IndexError:
51
 
            raise AssertionError('Unexpected prompt: %s' % message)
52
 
        if prompt != message:
53
 
            raise AssertionError('Wrong prompt: %s' % message)
54
 
        return response
55
 
 
56
 
 
57
 
LINES_AJ = 'a\nb\nc\nd\ne\nf\ng\nh\ni\nj\n'
58
 
 
59
 
 
60
 
LINES_ZY = 'z\nb\nc\nd\ne\nf\ng\nh\ni\ny\n'
61
 
 
62
 
 
63
 
LINES_AY = 'a\nb\nc\nd\ne\nf\ng\nh\ni\ny\n'
64
 
 
65
 
 
66
 
class TestShelver(tests.TestCaseWithTransport):
67
 
 
68
 
    def create_shelvable_tree(self):
69
 
        tree = self.make_branch_and_tree('tree')
70
 
        self.build_tree_contents([('tree/foo', LINES_AJ)])
71
 
        tree.add('foo', 'foo-id')
72
 
        tree.commit('added foo')
73
 
        self.build_tree_contents([('tree/foo', LINES_ZY)])
74
 
        return tree
75
 
 
76
 
    def test_unexpected_prompt_failure(self):
77
 
        tree = self.create_shelvable_tree()
78
 
        tree.lock_tree_write()
79
 
        self.addCleanup(tree.unlock)
80
 
        shelver = ExpectShelver(tree, tree.basis_tree())
81
 
        self.addCleanup(shelver.finalize)
82
 
        e = self.assertRaises(AssertionError, shelver.run)
83
 
        self.assertEqual('Unexpected prompt: Shelve? [yNfq?]', str(e))
84
 
 
85
 
    def test_wrong_prompt_failure(self):
86
 
        tree = self.create_shelvable_tree()
87
 
        tree.lock_tree_write()
88
 
        self.addCleanup(tree.unlock)
89
 
        shelver = ExpectShelver(tree, tree.basis_tree())
90
 
        self.addCleanup(shelver.finalize)
91
 
        shelver.expect('foo', 'y')
92
 
        e = self.assertRaises(AssertionError, shelver.run)
93
 
        self.assertEqual('Wrong prompt: Shelve? [yNfq?]', str(e))
94
 
 
95
 
    def test_shelve_not_diff(self):
96
 
        tree = self.create_shelvable_tree()
97
 
        tree.lock_tree_write()
98
 
        self.addCleanup(tree.unlock)
99
 
        shelver = ExpectShelver(tree, tree.basis_tree())
100
 
        self.addCleanup(shelver.finalize)
101
 
        shelver.expect('Shelve? [yNfq?]', 'n')
102
 
        shelver.expect('Shelve? [yNfq?]', 'n')
103
 
        # No final shelving prompt because no changes were selected
104
 
        shelver.run()
105
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
106
 
 
107
 
    def test_shelve_diff_no(self):
108
 
        tree = self.create_shelvable_tree()
109
 
        tree.lock_tree_write()
110
 
        self.addCleanup(tree.unlock)
111
 
        shelver = ExpectShelver(tree, tree.basis_tree())
112
 
        self.addCleanup(shelver.finalize)
113
 
        shelver.expect('Shelve? [yNfq?]', 'y')
114
 
        shelver.expect('Shelve? [yNfq?]', 'y')
115
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'n')
116
 
        shelver.run()
117
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
118
 
 
119
 
    def test_shelve_diff(self):
120
 
        tree = self.create_shelvable_tree()
121
 
        tree.lock_tree_write()
122
 
        self.addCleanup(tree.unlock)
123
 
        shelver = ExpectShelver(tree, tree.basis_tree())
124
 
        self.addCleanup(shelver.finalize)
125
 
        shelver.expect('Shelve? [yNfq?]', 'y')
126
 
        shelver.expect('Shelve? [yNfq?]', 'y')
127
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
128
 
        shelver.run()
129
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
130
 
 
131
 
    def test_shelve_one_diff(self):
132
 
        tree = self.create_shelvable_tree()
133
 
        tree.lock_tree_write()
134
 
        self.addCleanup(tree.unlock)
135
 
        shelver = ExpectShelver(tree, tree.basis_tree())
136
 
        self.addCleanup(shelver.finalize)
137
 
        shelver.expect('Shelve? [yNfq?]', 'y')
138
 
        shelver.expect('Shelve? [yNfq?]', 'n')
139
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
140
 
        shelver.run()
141
 
        self.assertFileEqual(LINES_AY, 'tree/foo')
142
 
 
143
 
    def test_shelve_binary_change(self):
144
 
        tree = self.create_shelvable_tree()
145
 
        self.build_tree_contents([('tree/foo', '\x00')])
146
 
        tree.lock_tree_write()
147
 
        self.addCleanup(tree.unlock)
148
 
        shelver = ExpectShelver(tree, tree.basis_tree())
149
 
        self.addCleanup(shelver.finalize)
150
 
        shelver.expect('Shelve binary changes? [yNfq?]', 'y')
151
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
152
 
        shelver.run()
153
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
154
 
 
155
 
    def test_shelve_rename(self):
156
 
        tree = self.create_shelvable_tree()
157
 
        tree.rename_one('foo', 'bar')
158
 
        tree.lock_tree_write()
159
 
        self.addCleanup(tree.unlock)
160
 
        shelver = ExpectShelver(tree, tree.basis_tree())
161
 
        self.addCleanup(shelver.finalize)
162
 
        shelver.expect('Shelve renaming "foo" => "bar"? [yNfq?]', 'y')
163
 
        shelver.expect('Shelve? [yNfq?]', 'y')
164
 
        shelver.expect('Shelve? [yNfq?]', 'y')
165
 
        shelver.expect('Shelve 3 change(s)? [yNfq?]', 'y')
166
 
        shelver.run()
167
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
168
 
 
169
 
    def test_shelve_deletion(self):
170
 
        tree = self.create_shelvable_tree()
171
 
        os.unlink('tree/foo')
172
 
        tree.lock_tree_write()
173
 
        self.addCleanup(tree.unlock)
174
 
        shelver = ExpectShelver(tree, tree.basis_tree())
175
 
        self.addCleanup(shelver.finalize)
176
 
        shelver.expect('Shelve removing file "foo"? [yNfq?]', 'y')
177
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
178
 
        shelver.run()
179
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
180
 
 
181
 
    def test_shelve_creation(self):
182
 
        tree = self.make_branch_and_tree('tree')
183
 
        tree.commit('add tree root')
184
 
        self.build_tree(['tree/foo'])
185
 
        tree.add('foo')
186
 
        tree.lock_tree_write()
187
 
        self.addCleanup(tree.unlock)
188
 
        shelver = ExpectShelver(tree, tree.basis_tree())
189
 
        self.addCleanup(shelver.finalize)
190
 
        shelver.expect('Shelve adding file "foo"? [yNfq?]', 'y')
191
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
192
 
        shelver.run()
193
 
        self.failIfExists('tree/foo')
194
 
 
195
 
    def test_shelve_kind_change(self):
196
 
        tree = self.create_shelvable_tree()
197
 
        os.unlink('tree/foo')
198
 
        os.mkdir('tree/foo')
199
 
        tree.lock_tree_write()
200
 
        self.addCleanup(tree.unlock)
201
 
        shelver = ExpectShelver(tree, tree.basis_tree())
202
 
        self.addCleanup(shelver.finalize)
203
 
        shelver.expect('Shelve changing "foo" from file to directory? [yNfq?]',
204
 
                       'y')
205
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
206
 
 
207
 
    def test_shelve_modify_target(self):
208
 
        self.requireFeature(tests.SymlinkFeature)
209
 
        tree = self.create_shelvable_tree()
210
 
        os.symlink('bar', 'tree/baz')
211
 
        tree.add('baz', 'baz-id')
212
 
        tree.commit("Add symlink")
213
 
        os.unlink('tree/baz')
214
 
        os.symlink('vax', 'tree/baz')
215
 
        tree.lock_tree_write()
216
 
        self.addCleanup(tree.unlock)
217
 
        shelver = ExpectShelver(tree, tree.basis_tree())
218
 
        self.addCleanup(shelver.finalize)
219
 
        shelver.expect('Shelve changing target of "baz" from "bar" to '
220
 
                '"vax"? [yNfq?]', 'y')
221
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
222
 
        shelver.run()
223
 
        self.assertEqual('bar', os.readlink('tree/baz'))
224
 
 
225
 
    def test_shelve_finish(self):
226
 
        tree = self.create_shelvable_tree()
227
 
        tree.lock_tree_write()
228
 
        self.addCleanup(tree.unlock)
229
 
        shelver = ExpectShelver(tree, tree.basis_tree())
230
 
        self.addCleanup(shelver.finalize)
231
 
        shelver.expect('Shelve? [yNfq?]', 'f')
232
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
233
 
        shelver.run()
234
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
235
 
 
236
 
    def test_shelve_quit(self):
237
 
        tree = self.create_shelvable_tree()
238
 
        tree.lock_tree_write()
239
 
        self.addCleanup(tree.unlock)
240
 
        shelver = ExpectShelver(tree, tree.basis_tree())
241
 
        self.addCleanup(shelver.finalize)
242
 
        shelver.expect('Shelve? [yNfq?]', 'q')
243
 
        self.assertRaises(errors.UserAbort, shelver.run)
244
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
245
 
 
246
 
    def test_shelve_all(self):
247
 
        tree = self.create_shelvable_tree()
248
 
        shelver = ExpectShelver.from_args(sys.stdout, all=True,
249
 
            directory='tree')
250
 
        try:
251
 
            shelver.run()
252
 
        finally:
253
 
            shelver.finalize()
254
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
255
 
 
256
 
    def test_shelve_filename(self):
257
 
        tree = self.create_shelvable_tree()
258
 
        self.build_tree(['tree/bar'])
259
 
        tree.add('bar')
260
 
        tree.lock_tree_write()
261
 
        self.addCleanup(tree.unlock)
262
 
        shelver = ExpectShelver(tree, tree.basis_tree(), file_list=['bar'])
263
 
        self.addCleanup(shelver.finalize)
264
 
        shelver.expect('Shelve adding file "bar"? [yNfq?]', 'y')
265
 
        shelver.expect('Shelve 1 change(s)? [yNfq?]', 'y')
266
 
        shelver.run()
267
 
 
268
 
    def test_shelve_help(self):
269
 
        tree = self.create_shelvable_tree()
270
 
        tree.lock_tree_write()
271
 
        self.addCleanup(tree.unlock)
272
 
        shelver = ExpectShelver(tree, tree.basis_tree())
273
 
        self.addCleanup(shelver.finalize)
274
 
        shelver.expect('Shelve? [yNfq?]', '?')
275
 
        shelver.expect('Shelve? [(y)es, (N)o, (f)inish, or (q)uit]', 'f')
276
 
        shelver.expect('Shelve 2 change(s)? [yNfq?]', 'y')
277
 
        shelver.run()
278
 
 
279
 
    def test_shelve_destroy(self):
280
 
        tree = self.create_shelvable_tree()
281
 
        shelver = shelf_ui.Shelver.from_args(sys.stdout, all=True,
282
 
                                             directory='tree', destroy=True)
283
 
        self.addCleanup(shelver.finalize)
284
 
        shelver.run()
285
 
        self.assertIs(None, tree.get_shelf_manager().last_shelf())
286
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
287
 
 
288
 
    @staticmethod
289
 
    def shelve_all(tree, target_revision_id):
290
 
        tree.lock_write()
291
 
        try:
292
 
            target = tree.branch.repository.revision_tree(target_revision_id)
293
 
            shelver = shelf_ui.Shelver(tree, target, auto=True,
294
 
                                       auto_apply=True)
295
 
            try:
296
 
                shelver.run()
297
 
            finally:
298
 
                shelver.finalize()
299
 
        finally:
300
 
            tree.unlock()
301
 
 
302
 
    def test_shelve_old_root_deleted(self):
303
 
        tree1 = self.make_branch_and_tree('tree1')
304
 
        tree1.commit('add root')
305
 
        tree2 = self.make_branch_and_tree('tree2')
306
 
        rev2 = tree2.commit('add root')
307
 
        tree1.merge_from_branch(tree2.branch,
308
 
                                from_revision=revision.NULL_REVISION)
309
 
        tree1.commit('Replaced root entry')
310
 
        # This is essentially assertNotRaises(InconsistentDelta)
311
 
        self.expectFailure('Cannot shelve replacing a root entry',
312
 
                           self.assertRaises, AssertionError,
313
 
                           self.assertRaises, errors.InconsistentDelta,
314
 
                           self.shelve_all, tree1, rev2)
315
 
 
316
 
    def test_shelve_split(self):
317
 
        outer_tree = self.make_branch_and_tree('outer')
318
 
        outer_tree.commit('Add root')
319
 
        inner_tree = self.make_branch_and_tree('outer/inner')
320
 
        rev2 = inner_tree.commit('Add root')
321
 
        outer_tree.subsume(inner_tree)
322
 
        # This is essentially assertNotRaises(ValueError).
323
 
        # The ValueError is 'None is not a valid file id'.
324
 
        self.expectFailure('Cannot shelve a join back to the inner tree.',
325
 
                           self.assertRaises, AssertionError,
326
 
                           self.assertRaises, ValueError, self.shelve_all,
327
 
                           outer_tree, rev2)
328
 
 
329
 
 
330
 
class TestApplyReporter(TestShelver):
331
 
 
332
 
    def test_shelve_not_diff(self):
333
 
        tree = self.create_shelvable_tree()
334
 
        tree.lock_tree_write()
335
 
        self.addCleanup(tree.unlock)
336
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
337
 
                                reporter=shelf_ui.ApplyReporter())
338
 
        self.addCleanup(shelver.finalize)
339
 
        shelver.expect('Apply change? [yNfq?]', 'n')
340
 
        shelver.expect('Apply change? [yNfq?]', 'n')
341
 
        # No final shelving prompt because no changes were selected
342
 
        shelver.run()
343
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
344
 
 
345
 
    def test_shelve_diff_no(self):
346
 
        tree = self.create_shelvable_tree()
347
 
        tree.lock_tree_write()
348
 
        self.addCleanup(tree.unlock)
349
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
350
 
                                reporter=shelf_ui.ApplyReporter())
351
 
        self.addCleanup(shelver.finalize)
352
 
        shelver.expect('Apply change? [yNfq?]', 'y')
353
 
        shelver.expect('Apply change? [yNfq?]', 'y')
354
 
        shelver.expect('Apply 2 change(s)? [yNfq?]', 'n')
355
 
        shelver.run()
356
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
357
 
 
358
 
    def test_shelve_diff(self):
359
 
        tree = self.create_shelvable_tree()
360
 
        tree.lock_tree_write()
361
 
        self.addCleanup(tree.unlock)
362
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
363
 
                                reporter=shelf_ui.ApplyReporter())
364
 
        self.addCleanup(shelver.finalize)
365
 
        shelver.expect('Apply change? [yNfq?]', 'y')
366
 
        shelver.expect('Apply change? [yNfq?]', 'y')
367
 
        shelver.expect('Apply 2 change(s)? [yNfq?]', 'y')
368
 
        shelver.run()
369
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
370
 
 
371
 
    def test_shelve_binary_change(self):
372
 
        tree = self.create_shelvable_tree()
373
 
        self.build_tree_contents([('tree/foo', '\x00')])
374
 
        tree.lock_tree_write()
375
 
        self.addCleanup(tree.unlock)
376
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
377
 
                                reporter=shelf_ui.ApplyReporter())
378
 
        self.addCleanup(shelver.finalize)
379
 
        shelver.expect('Apply binary changes? [yNfq?]', 'y')
380
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
381
 
        shelver.run()
382
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
383
 
 
384
 
    def test_shelve_rename(self):
385
 
        tree = self.create_shelvable_tree()
386
 
        tree.rename_one('foo', 'bar')
387
 
        tree.lock_tree_write()
388
 
        self.addCleanup(tree.unlock)
389
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
390
 
                                reporter=shelf_ui.ApplyReporter())
391
 
        self.addCleanup(shelver.finalize)
392
 
        shelver.expect('Rename "bar" => "foo"? [yNfq?]', 'y')
393
 
        shelver.expect('Apply change? [yNfq?]', 'y')
394
 
        shelver.expect('Apply change? [yNfq?]', 'y')
395
 
        shelver.expect('Apply 3 change(s)? [yNfq?]', 'y')
396
 
        shelver.run()
397
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
398
 
 
399
 
    def test_shelve_deletion(self):
400
 
        tree = self.create_shelvable_tree()
401
 
        os.unlink('tree/foo')
402
 
        tree.lock_tree_write()
403
 
        self.addCleanup(tree.unlock)
404
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
405
 
                                reporter=shelf_ui.ApplyReporter())
406
 
        self.addCleanup(shelver.finalize)
407
 
        shelver.expect('Add file "foo"? [yNfq?]', 'y')
408
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
409
 
        shelver.run()
410
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
411
 
 
412
 
    def test_shelve_creation(self):
413
 
        tree = self.make_branch_and_tree('tree')
414
 
        tree.commit('add tree root')
415
 
        self.build_tree(['tree/foo'])
416
 
        tree.add('foo')
417
 
        tree.lock_tree_write()
418
 
        self.addCleanup(tree.unlock)
419
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
420
 
                                reporter=shelf_ui.ApplyReporter())
421
 
        self.addCleanup(shelver.finalize)
422
 
        shelver.expect('Delete file "foo"? [yNfq?]', 'y')
423
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
424
 
        shelver.run()
425
 
        self.failIfExists('tree/foo')
426
 
 
427
 
    def test_shelve_kind_change(self):
428
 
        tree = self.create_shelvable_tree()
429
 
        os.unlink('tree/foo')
430
 
        os.mkdir('tree/foo')
431
 
        tree.lock_tree_write()
432
 
        self.addCleanup(tree.unlock)
433
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
434
 
                               reporter=shelf_ui.ApplyReporter())
435
 
        self.addCleanup(shelver.finalize)
436
 
        shelver.expect('Change "foo" from directory to a file? [yNfq?]', 'y')
437
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
438
 
 
439
 
    def test_shelve_modify_target(self):
440
 
        self.requireFeature(tests.SymlinkFeature)
441
 
        tree = self.create_shelvable_tree()
442
 
        os.symlink('bar', 'tree/baz')
443
 
        tree.add('baz', 'baz-id')
444
 
        tree.commit("Add symlink")
445
 
        os.unlink('tree/baz')
446
 
        os.symlink('vax', 'tree/baz')
447
 
        tree.lock_tree_write()
448
 
        self.addCleanup(tree.unlock)
449
 
        shelver = ExpectShelver(tree, tree.basis_tree(),
450
 
                                reporter=shelf_ui.ApplyReporter())
451
 
        self.addCleanup(shelver.finalize)
452
 
        shelver.expect('Change target of "baz" from "vax" to "bar"? [yNfq?]',
453
 
                       'y')
454
 
        shelver.expect('Apply 1 change(s)? [yNfq?]', 'y')
455
 
        shelver.run()
456
 
        self.assertEqual('bar', os.readlink('tree/baz'))
457
 
 
458
 
 
459
 
class TestUnshelver(tests.TestCaseWithTransport):
460
 
 
461
 
    def create_tree_with_shelf(self):
462
 
        tree = self.make_branch_and_tree('tree')
463
 
        tree.lock_write()
464
 
        try:
465
 
            self.build_tree_contents([('tree/foo', LINES_AJ)])
466
 
            tree.add('foo', 'foo-id')
467
 
            tree.commit('added foo')
468
 
            self.build_tree_contents([('tree/foo', LINES_ZY)])
469
 
            shelver = shelf_ui.Shelver(tree, tree.basis_tree(),
470
 
                                       auto_apply=True, auto=True)
471
 
            try:
472
 
                shelver.run()
473
 
            finally:
474
 
                shelver.finalize()
475
 
        finally:
476
 
            tree.unlock()
477
 
        return tree
478
 
 
479
 
    def test_unshelve(self):
480
 
        tree = self.create_tree_with_shelf()
481
 
        tree.lock_write()
482
 
        self.addCleanup(tree.unlock)
483
 
        manager = tree.get_shelf_manager()
484
 
        shelf_ui.Unshelver(tree, manager, 1, True, True, True).run()
485
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
486
 
 
487
 
    def test_unshelve_args(self):
488
 
        tree = self.create_tree_with_shelf()
489
 
        unshelver = shelf_ui.Unshelver.from_args(directory='tree')
490
 
        try:
491
 
            unshelver.run()
492
 
        finally:
493
 
            unshelver.tree.unlock()
494
 
        self.assertFileEqual(LINES_ZY, 'tree/foo')
495
 
        self.assertIs(None, tree.get_shelf_manager().last_shelf())
496
 
 
497
 
    def test_unshelve_args_dry_run(self):
498
 
        tree = self.create_tree_with_shelf()
499
 
        unshelver = shelf_ui.Unshelver.from_args(directory='tree',
500
 
            action='dry-run')
501
 
        try:
502
 
            unshelver.run()
503
 
        finally:
504
 
            unshelver.tree.unlock()
505
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
506
 
        self.assertEqual(1, tree.get_shelf_manager().last_shelf())
507
 
 
508
 
    def test_unshelve_args_preview(self):
509
 
        tree = self.create_tree_with_shelf()
510
 
        write_diff_to = StringIO()
511
 
        unshelver = shelf_ui.Unshelver.from_args(
512
 
            directory='tree', action='preview', write_diff_to=write_diff_to)
513
 
        try:
514
 
            unshelver.run()
515
 
        finally:
516
 
            unshelver.tree.unlock()
517
 
        # The changes were not unshelved.
518
 
        self.assertFileEqual(LINES_AJ, 'tree/foo')
519
 
        self.assertEqual(1, tree.get_shelf_manager().last_shelf())
520
 
 
521
 
        # But the diff was written to write_diff_to.
522
 
        diff = write_diff_to.getvalue()
523
 
        expected = dedent("""\
524
 
            @@ -1,4 +1,4 @@
525
 
            -a
526
 
            +z
527
 
             b
528
 
             c
529
 
             d
530
 
            @@ -7,4 +7,4 @@
531
 
             g
532
 
             h
533
 
             i
534
 
            -j
535
 
            +y
536
 
 
537
 
            """)
538
 
        self.assertEqualDiff(expected, diff[-len(expected):])
539
 
 
540
 
    def test_unshelve_args_delete_only(self):
541
 
        tree = self.make_branch_and_tree('tree')
542
 
        manager = tree.get_shelf_manager()
543
 
        shelf_file = manager.new_shelf()[1]
544
 
        try:
545
 
            shelf_file.write('garbage')
546
 
        finally:
547
 
            shelf_file.close()
548
 
        unshelver = shelf_ui.Unshelver.from_args(directory='tree',
549
 
                                                 action='delete-only')
550
 
        try:
551
 
            unshelver.run()
552
 
        finally:
553
 
            unshelver.tree.unlock()
554
 
        self.assertIs(None, manager.last_shelf())
555
 
 
556
 
    def test_unshelve_args_invalid_shelf_id(self):
557
 
        tree = self.make_branch_and_tree('tree')
558
 
        manager = tree.get_shelf_manager()
559
 
        shelf_file = manager.new_shelf()[1]
560
 
        try:
561
 
            shelf_file.write('garbage')
562
 
        finally:
563
 
            shelf_file.close()
564
 
        self.assertRaises(errors.InvalidShelfId,
565
 
            shelf_ui.Unshelver.from_args, directory='tree',
566
 
            action='delete-only', shelf_id='foo')
567
 
 
568
 
 
569
 
class TestUnshelveScripts(TestUnshelver, 
570
 
                          script.TestCaseWithTransportAndScript): 
571
 
 
572
 
    def test_unshelve_messages_keep(self):
573
 
        self.create_tree_with_shelf()
574
 
        self.run_script("""
575
 
$ cd tree
576
 
$ bzr unshelve --keep
577
 
2>Using changes with id "1".
578
 
2> M  foo
579
 
2>All changes applied successfully.
580
 
""")
581
 
 
582
 
    def test_unshelve_messages_delete(self):
583
 
        self.create_tree_with_shelf()
584
 
        self.run_script("""
585
 
$ cd tree
586
 
$ bzr unshelve --delete-only
587
 
2>Deleted changes with id "1".
588
 
""")
589
 
 
590
 
    def test_unshelve_messages_apply(self):
591
 
        self.create_tree_with_shelf()
592
 
        self.run_script("""
593
 
$ cd tree
594
 
$ bzr unshelve --apply
595
 
2>Using changes with id "1".
596
 
2> M  foo
597
 
2>All changes applied successfully.
598
 
2>Deleted changes with id "1".
599
 
""")
600
 
 
601
 
    def test_unshelve_messages_dry_run(self):
602
 
        self.create_tree_with_shelf()
603
 
        self.run_script("""
604
 
$ cd tree
605
 
$ bzr unshelve --dry-run
606
 
2>Using changes with id "1".
607
 
2> M  foo
608
 
""")