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Viewing changes to bzrlib/tests/test_shelf_ui.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-15 04:49:48 UTC
  • mfrom: (3984.5.22 switch-r-183559)
  • Revision ID: pqm@pqm.ubuntu.com-20100115044948-yxz5m3vchxapbq22
(andrew) Add --revision option to 'bzr switch'. (#184559)

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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
""")