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Viewing changes to breezy/tests/test_ui.py

  • Committer: Martin
  • Date: 2017-06-18 10:15:11 UTC
  • mto: This revision was merged to the branch mainline in revision 6715.
  • Revision ID: gzlist@googlemail.com-20170618101511-fri1mouxt1hc09r8
Make _simple_set tests pass on py3 and with random hash

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breezy/tests/test_ui.py
 
1
# Copyright (C) 2005-2012, 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
"""Tests for the breezy ui."""
 
18
 
 
19
import time
 
20
 
 
21
from testtools.matchers import *
 
22
 
 
23
from .. import (
 
24
    config,
 
25
    tests,
 
26
    ui as _mod_ui,
 
27
    )
 
28
from ..bzr import (
 
29
    remote,
 
30
    )
 
31
from . import (
 
32
    fixtures,
 
33
    ui_testing,
 
34
    )
 
35
from ..ui import text as _mod_ui_text
 
36
from .testui import (
 
37
    ProgressRecordingUIFactory,
 
38
    )
 
39
 
 
40
 
 
41
class TestUIConfiguration(tests.TestCaseInTempDir):
 
42
 
 
43
    def test_output_encoding_configuration(self):
 
44
        enc = next(fixtures.generate_unicode_encodings())
 
45
        config.GlobalStack().set('output_encoding', enc)
 
46
        IO = ui_testing.BytesIOWithEncoding
 
47
        ui = _mod_ui.make_ui_for_terminal(IO(), IO(), IO())
 
48
        output = ui.make_output_stream()
 
49
        self.assertEqual(output.encoding, enc)
 
50
 
 
51
 
 
52
class TestTextUIFactory(tests.TestCase):
 
53
 
 
54
    def test_text_factory_confirm(self):
 
55
        # turns into reading a regular boolean
 
56
        ui = ui_testing.TestUIFactory('n\n')
 
57
        self.assertEqual(ui.confirm_action(u'Should %(thing)s pass?',
 
58
            'breezy.tests.test_ui.confirmation',
 
59
            {'thing': 'this'},),
 
60
            False)
 
61
 
 
62
    def test_text_factory_ascii_password(self):
 
63
        ui = ui_testing.TestUIFactory('secret\n')
 
64
        pb = ui.nested_progress_bar()
 
65
        try:
 
66
            self.assertEqual('secret',
 
67
                             self.apply_redirected(ui.stdin, ui.stdout,
 
68
                                                   ui.stderr,
 
69
                                                   ui.get_password))
 
70
            # ': ' is appended to prompt
 
71
            self.assertEqual(': ', ui.stderr.getvalue())
 
72
            self.assertEqual('', ui.stdout.readline())
 
73
            # stdin should be empty
 
74
            self.assertEqual('', ui.stdin.readline())
 
75
        finally:
 
76
            pb.finished()
 
77
 
 
78
    def test_text_factory_unicode_password(self):
 
79
        """Test a unicode password."""
 
80
        ui = ui_testing.TextUIFactory(u'baz\u1234')
 
81
        password = ui.get_password(u'Hello \u1234 %(user)s', user=u'some\u1234')
 
82
        self.assertEqual(u'baz\u1234', password)
 
83
        self.assertEqual(u'Hello \u1234 some\u1234: ', ui.stderr.getvalue())
 
84
        # stdin and stdout should be empty
 
85
        self.assertEqual('', ui.stdin.readline())
 
86
        self.assertEqual('', ui.stdout.getvalue())
 
87
 
 
88
    def test_text_ui_get_boolean(self):
 
89
        stdin_text = (
 
90
            "y\n" # True
 
91
            "n\n" # False
 
92
            " \n y \n" # True
 
93
            " no \n" # False
 
94
            "yes with garbage\nY\n" # True
 
95
            "not an answer\nno\n" # False
 
96
            "I'm sure!\nyes\n" # True
 
97
            "NO\n" # False
 
98
            "foo\n")
 
99
        factory = ui_testing.TextUIFactory(stdin_text)
 
100
        self.assertEqual(True, factory.get_boolean(u""))
 
101
        self.assertEqual(False, factory.get_boolean(u""))
 
102
        self.assertEqual(True, factory.get_boolean(u""))
 
103
        self.assertEqual(False, factory.get_boolean(u""))
 
104
        self.assertEqual(True, factory.get_boolean(u""))
 
105
        self.assertEqual(False, factory.get_boolean(u""))
 
106
        self.assertEqual(True, factory.get_boolean(u""))
 
107
        self.assertEqual(False, factory.get_boolean(u""))
 
108
        self.assertEqual("foo\n", factory.stdin.read())
 
109
        # stdin should be empty
 
110
        self.assertEqual('', factory.stdin.readline())
 
111
        # return false on EOF
 
112
        self.assertEqual(False, factory.get_boolean(u""))
 
113
 
 
114
    def test_text_ui_choose_bad_parameters(self):
 
115
        factory = ui_testing.TextUIFactory(u"")
 
116
        # invalid default index
 
117
        self.assertRaises(ValueError, factory.choose, u"", u"&Yes\n&No", 3)
 
118
        # duplicated choice
 
119
        self.assertRaises(ValueError, factory.choose, u"", u"&choice\n&ChOiCe")
 
120
        # duplicated shortcut
 
121
        self.assertRaises(ValueError, factory.choose, u"", u"&choice1\nchoi&ce2")
 
122
 
 
123
    def test_text_ui_choose_prompt_explicit(self):
 
124
        # choices with explicit shortcuts
 
125
        factory = ui_testing.TextUIFactory(u"")
 
126
        factory.choose(u"prompt", u"&yes\n&No\nmore &info")
 
127
        self.assertEqual("prompt ([y]es, [N]o, more [i]nfo): \n", factory.stderr.getvalue())
 
128
 
 
129
    def test_text_ui_choose_prompt_automatic(self):
 
130
        # automatic shortcuts
 
131
        factory = ui_testing.TextUIFactory(u"")
 
132
        factory.choose(u"prompt", u"yes\nNo\nmore info")
 
133
        self.assertEqual("prompt ([y]es, [N]o, [m]ore info): \n", factory.stderr.getvalue())
 
134
 
 
135
    def test_text_ui_choose_return_values(self):
 
136
        choose = lambda: factory.choose(u"", u"&Yes\n&No\nMaybe\nmore &info", 3)
 
137
        stdin_text = (
 
138
            "y\n" # 0
 
139
            "n\n" # 1
 
140
            " \n" # default: 3
 
141
            " no \n" # 1
 
142
            "b\na\nd \n" # bad shortcuts, all ignored
 
143
            "yes with garbage\nY\n" # 0
 
144
            "not an answer\nno\n" # 1
 
145
            "info\nmore info\n" # 3
 
146
            "Maybe\n" # 2
 
147
            "foo\n")
 
148
        factory = ui_testing.TextUIFactory(stdin_text)
 
149
        self.assertEqual(0, choose())
 
150
        self.assertEqual(1, choose())
 
151
        self.assertEqual(3, choose())
 
152
        self.assertEqual(1, choose())
 
153
        self.assertEqual(0, choose())
 
154
        self.assertEqual(1, choose())
 
155
        self.assertEqual(3, choose())
 
156
        self.assertEqual(2, choose())
 
157
        self.assertEqual("foo\n", factory.stdin.read())
 
158
        # stdin should be empty
 
159
        self.assertEqual('', factory.stdin.readline())
 
160
        # return None on EOF
 
161
        self.assertEqual(None, choose())
 
162
 
 
163
    def test_text_ui_choose_no_default(self):
 
164
        stdin_text = (
 
165
            " \n" # no default, invalid!
 
166
            " yes \n" # 0
 
167
            "foo\n")
 
168
        factory = ui_testing.TextUIFactory(stdin_text)
 
169
        self.assertEqual(0, factory.choose(u"", u"&Yes\n&No"))
 
170
        self.assertEqual("foo\n", factory.stdin.read())
 
171
 
 
172
    def test_text_ui_get_integer(self):
 
173
        stdin_text = (
 
174
            "1\n"
 
175
            "  -2  \n"
 
176
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
 
177
        factory = ui_testing.TextUIFactory(stdin_text)
 
178
        self.assertEqual(1, factory.get_integer(u""))
 
179
        self.assertEqual(-2, factory.get_integer(u""))
 
180
        self.assertEqual(42, factory.get_integer(u""))
 
181
 
 
182
    def test_text_factory_prompt(self):
 
183
        # see <https://launchpad.net/bugs/365891>
 
184
        factory = ui_testing.TextUIFactory()
 
185
        factory.prompt(u'foo %2e')
 
186
        self.assertEqual('', factory.stdout.getvalue())
 
187
        self.assertEqual('foo %2e', factory.stderr.getvalue())
 
188
 
 
189
    def test_text_factory_prompts_and_clears(self):
 
190
        # a get_boolean call should clear the pb before prompting
 
191
        out = ui_testing.StringIOAsTTY()
 
192
        self.overrideEnv('TERM', 'xterm')
 
193
        factory = ui_testing.TextUIFactory("yada\ny\n", stdout=out, stderr=out)
 
194
        pb = factory.nested_progress_bar()
 
195
        pb._avail_width = lambda: 79
 
196
        pb.show_bar = False
 
197
        pb.show_spinner = False
 
198
        pb.show_count = False
 
199
        pb.update("foo", 0, 1)
 
200
        self.assertEqual(True,
 
201
                         self.apply_redirected(None, factory.stdout,
 
202
                                               factory.stdout,
 
203
                                               factory.get_boolean,
 
204
                                               u"what do you want"))
 
205
        output = out.getvalue()
 
206
        self.assertContainsRe(output,
 
207
            "| foo *\r\r  *\r*")
 
208
        self.assertContainsString(output,
 
209
            r"what do you want? ([y]es, [n]o): what do you want? ([y]es, [n]o): ")
 
210
        # stdin should have been totally consumed
 
211
        self.assertEqual('', factory.stdin.readline())
 
212
 
 
213
    def test_text_tick_after_update(self):
 
214
        ui_factory = ui_testing.TextUIFactory()
 
215
        pb = ui_factory.nested_progress_bar()
 
216
        try:
 
217
            pb.update('task', 0, 3)
 
218
            # Reset the clock, so that it actually tries to repaint itself
 
219
            ui_factory._progress_view._last_repaint = time.time() - 1.0
 
220
            pb.tick()
 
221
        finally:
 
222
            pb.finished()
 
223
 
 
224
    def test_text_ui_getusername(self):
 
225
        ui = ui_testing.TextUIFactory('someuser\n\n')
 
226
        self.assertEqual('someuser',
 
227
                         ui.get_username(u'Hello %(host)s', host='some'))
 
228
        self.assertEqual('Hello some: ', ui.stderr.getvalue())
 
229
        self.assertEqual('', ui.stdout.getvalue())
 
230
        self.assertEqual('', ui.get_username(u"Gebruiker"))
 
231
        # stdin should be empty
 
232
        self.assertEqual('', ui.stdin.readline())
 
233
 
 
234
    def test_text_ui_getusername_unicode(self):
 
235
        ui = ui_testing.TextUIFactory(u'someuser\u1234')
 
236
        username = ui.get_username(u'Hello %(host)s', host=u'some\u1234')
 
237
        self.assertEqual(u"someuser\u1234", username)
 
238
        self.assertEqual(u"Hello some\u1234: ", ui.stderr.getvalue())
 
239
        self.assertEqual('', ui.stdout.getvalue())
 
240
 
 
241
    def test_quietness(self):
 
242
        self.overrideEnv('BRZ_PROGRESS_BAR', 'text')
 
243
        ui_factory = ui_testing.TextUIFactory(
 
244
            stderr=ui_testing.StringIOAsTTY())
 
245
        self.assertIsInstance(ui_factory._progress_view,
 
246
            _mod_ui_text.TextProgressView)
 
247
        ui_factory.be_quiet(True)
 
248
        self.assertIsInstance(ui_factory._progress_view,
 
249
            _mod_ui_text.NullProgressView)
 
250
 
 
251
    def test_text_ui_show_user_warning(self):
 
252
        from ..bzr.groupcompress_repo import RepositoryFormat2a
 
253
        from ..bzr.knitpack_repo import RepositoryFormatKnitPack5
 
254
        ui = ui_testing.TextUIFactory()
 
255
        remote_fmt = remote.RemoteRepositoryFormat()
 
256
        remote_fmt._network_name = RepositoryFormatKnitPack5().network_name()
 
257
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
 
258
            to_format=remote_fmt)
 
259
        self.assertEqual('', ui.stdout.getvalue())
 
260
        self.assertContainsRe(
 
261
            ui.stderr.getvalue(),
 
262
            "^Doing on-the-fly conversion from RepositoryFormat2a\(\) to "
 
263
                "RemoteRepositoryFormat\(_network_name="
 
264
                "b?'Bazaar RepositoryFormatKnitPack5 \(bzr 1.6\)\\\\n'\)\.\n"
 
265
            "This may take some time. Upgrade the repositories to "
 
266
                "the same format for better performance\.\n$")
 
267
        # and now with it suppressed please
 
268
        ui = ui_testing.TextUIFactory()
 
269
        ui.suppressed_warnings.add('cross_format_fetch')
 
270
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
 
271
            to_format=remote_fmt)
 
272
        self.assertEqual('', ui.stdout.getvalue())
 
273
        self.assertEqual('', ui.stderr.getvalue())
 
274
 
 
275
 
 
276
class TestTextUIOutputStream(tests.TestCase):
 
277
    """Tests for output stream that synchronizes with progress bar."""
 
278
 
 
279
    def test_output_clears_terminal(self):
 
280
        clear_calls = []
 
281
 
 
282
        uif =  ui_testing.TextUIFactory()
 
283
        uif.clear_term = lambda: clear_calls.append('clear')
 
284
 
 
285
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout, 'utf-8', 'strict')
 
286
        stream.write(u"Hello world!\n")
 
287
        stream.write(u"there's more...\n")
 
288
        stream.writelines([u"1\n", u"2\n", u"3\n"])
 
289
 
 
290
        self.assertEqual(uif.stdout.getvalue(),
 
291
            u"Hello world!\n"
 
292
            u"there's more...\n"
 
293
            u"1\n2\n3\n")
 
294
        self.assertEqual(['clear', 'clear', 'clear'],
 
295
            clear_calls)
 
296
 
 
297
        stream.flush()
 
298
 
 
299
 
 
300
class UITests(tests.TestCase):
 
301
 
 
302
    def test_progress_construction(self):
 
303
        """TextUIFactory constructs the right progress view.
 
304
        """
 
305
        FileStringIO = ui_testing.StringIOWithEncoding
 
306
        TTYStringIO = ui_testing.StringIOAsTTY
 
307
        for (file_class, term, pb, expected_pb_class) in (
 
308
            # on an xterm, either use them or not as the user requests,
 
309
            # otherwise default on
 
310
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
 
311
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
 
312
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
 
313
            # on a dumb terminal, again if there's explicit configuration do
 
314
            # it, otherwise default off
 
315
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
 
316
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
317
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
318
            # on a non-tty terminal, it's null regardless of $TERM
 
319
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
 
320
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
321
            # however, it can still be forced on
 
322
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
323
            ):
 
324
            self.overrideEnv('TERM', term)
 
325
            self.overrideEnv('BRZ_PROGRESS_BAR', pb)
 
326
            stdin = file_class(u'')
 
327
            stderr = file_class()
 
328
            stdout = file_class()
 
329
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
330
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
331
                "TERM=%s BRZ_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
332
            self.assertIsInstance(uif.make_progress_view(),
 
333
                expected_pb_class,
 
334
                "TERM=%s BRZ_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
335
 
 
336
    def test_text_ui_non_terminal(self):
 
337
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
 
338
        stdin = stderr = stdout = ui_testing.StringIOWithEncoding()
 
339
        for term_type in ['dumb', None, 'xterm']:
 
340
            self.overrideEnv('TERM', term_type)
 
341
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
342
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
343
                'TERM=%r' % (term_type,))
 
344
 
 
345
 
 
346
class SilentUITests(tests.TestCase):
 
347
 
 
348
    def test_silent_factory_get_password(self):
 
349
        # A silent factory that can't do user interaction can't get a
 
350
        # password.  Possibly it should raise a more specific error but it
 
351
        # can't succeed.
 
352
        ui = _mod_ui.SilentUIFactory()
 
353
        stdout = ui_testing.StringIOWithEncoding()
 
354
        self.assertRaises(
 
355
            NotImplementedError,
 
356
            self.apply_redirected,
 
357
            None, stdout, stdout, ui.get_password)
 
358
        # and it didn't write anything out either
 
359
        self.assertEqual('', stdout.getvalue())
 
360
 
 
361
    def test_silent_ui_getbool(self):
 
362
        factory = _mod_ui.SilentUIFactory()
 
363
        stdout = ui_testing.StringIOWithEncoding()
 
364
        self.assertRaises(
 
365
            NotImplementedError,
 
366
            self.apply_redirected,
 
367
            None, stdout, stdout, factory.get_boolean, u"foo")
 
368
 
 
369
 
 
370
class TestUIFactoryTests(tests.TestCase):
 
371
 
 
372
    def test_test_ui_factory_progress(self):
 
373
        # there's no output; we just want to make sure this doesn't crash -
 
374
        # see https://bugs.launchpad.net/bzr/+bug/408201
 
375
        ui = ui_testing.TestUIFactory()
 
376
        pb = ui.nested_progress_bar()
 
377
        pb.update('hello')
 
378
        pb.tick()
 
379
        pb.finished()
 
380
 
 
381
 
 
382
class CannedInputUIFactoryTests(tests.TestCase):
 
383
 
 
384
    def test_canned_input_get_input(self):
 
385
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
 
386
        self.assertEqual(True, uif.get_boolean(u'Extra cheese?'))
 
387
        self.assertEqual('mbp', uif.get_username(u'Enter your user name'))
 
388
        self.assertEqual('password',
 
389
                         uif.get_password(u'Password for %(host)s',
 
390
                                          host='example.com'))
 
391
        self.assertEqual(42, uif.get_integer(u'And all that jazz ?'))
 
392
 
 
393
 
 
394
class TestBoolFromString(tests.TestCase):
 
395
 
 
396
    def assertIsTrue(self, s, accepted_values=None):
 
397
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
398
        self.assertEqual(True, res)
 
399
 
 
400
    def assertIsFalse(self, s, accepted_values=None):
 
401
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
402
        self.assertEqual(False, res)
 
403
 
 
404
    def assertIsNone(self, s, accepted_values=None):
 
405
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
406
        self.assertIs(None, res)
 
407
 
 
408
    def test_know_valid_values(self):
 
409
        self.assertIsTrue('true')
 
410
        self.assertIsFalse('false')
 
411
        self.assertIsTrue('1')
 
412
        self.assertIsFalse('0')
 
413
        self.assertIsTrue('on')
 
414
        self.assertIsFalse('off')
 
415
        self.assertIsTrue('yes')
 
416
        self.assertIsFalse('no')
 
417
        self.assertIsTrue('y')
 
418
        self.assertIsFalse('n')
 
419
        # Also try some case variations
 
420
        self.assertIsTrue('True')
 
421
        self.assertIsFalse('False')
 
422
        self.assertIsTrue('On')
 
423
        self.assertIsFalse('Off')
 
424
        self.assertIsTrue('ON')
 
425
        self.assertIsFalse('OFF')
 
426
        self.assertIsTrue('oN')
 
427
        self.assertIsFalse('oFf')
 
428
 
 
429
    def test_invalid_values(self):
 
430
        self.assertIsNone(None)
 
431
        self.assertIsNone('doubt')
 
432
        self.assertIsNone('frue')
 
433
        self.assertIsNone('talse')
 
434
        self.assertIsNone('42')
 
435
 
 
436
    def test_provided_values(self):
 
437
        av = dict(y=True, n=False, yes=True, no=False)
 
438
        self.assertIsTrue('y', av)
 
439
        self.assertIsTrue('Y', av)
 
440
        self.assertIsTrue('Yes', av)
 
441
        self.assertIsFalse('n', av)
 
442
        self.assertIsFalse('N', av)
 
443
        self.assertIsFalse('No', av)
 
444
        self.assertIsNone('1', av)
 
445
        self.assertIsNone('0', av)
 
446
        self.assertIsNone('on', av)
 
447
        self.assertIsNone('off', av)
 
448
 
 
449
 
 
450
class TestConfirmationUserInterfacePolicy(tests.TestCase):
 
451
 
 
452
    def test_confirm_action_default(self):
 
453
        base_ui = _mod_ui.NoninteractiveUIFactory()
 
454
        for answer in [True, False]:
 
455
            self.assertEqual(
 
456
                _mod_ui.ConfirmationUserInterfacePolicy(base_ui, answer, {})
 
457
                .confirm_action("Do something?",
 
458
                    "breezy.tests.do_something", {}),
 
459
                answer)
 
460
 
 
461
    def test_confirm_action_specific(self):
 
462
        base_ui = _mod_ui.NoninteractiveUIFactory()
 
463
        for default_answer in [True, False]:
 
464
            for specific_answer in [True, False]:
 
465
                for conf_id in ['given_id', 'other_id']:
 
466
                    wrapper = _mod_ui.ConfirmationUserInterfacePolicy(
 
467
                        base_ui, default_answer, dict(given_id=specific_answer))
 
468
                    result = wrapper.confirm_action("Do something?", conf_id, {})
 
469
                    if conf_id == 'given_id':
 
470
                        self.assertEqual(result, specific_answer)
 
471
                    else:
 
472
                        self.assertEqual(result, default_answer)
 
473
 
 
474
    def test_repr(self):
 
475
        base_ui = _mod_ui.NoninteractiveUIFactory()
 
476
        wrapper = _mod_ui.ConfirmationUserInterfacePolicy(
 
477
            base_ui, True, dict(a=2))
 
478
        self.assertThat(repr(wrapper),
 
479
            Equals("ConfirmationUserInterfacePolicy("
 
480
                "NoninteractiveUIFactory(), True, {'a': 2})"))
 
481
 
 
482
 
 
483
class TestProgressRecordingUI(tests.TestCase):
 
484
    """Test test-oriented UIFactory that records progress updates"""
 
485
 
 
486
    def test_nested_ignore_depth_beyond_one(self):
 
487
        # we only want to capture the first level out progress, not
 
488
        # want sub-components might do. So we have nested bars ignored.
 
489
        factory = ProgressRecordingUIFactory()
 
490
        pb1 = factory.nested_progress_bar()
 
491
        pb1.update('foo', 0, 1)
 
492
        pb2 = factory.nested_progress_bar()
 
493
        pb2.update('foo', 0, 1)
 
494
        pb2.finished()
 
495
        pb1.finished()
 
496
        self.assertEqual([("update", 0, 1, 'foo')], factory._calls)