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Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Aaron Bentley
  • Date: 2007-03-09 21:46:40 UTC
  • mto: (2323.6.9 0.15-integration)
  • mto: This revision was merged to the branch mainline in revision 2330.
  • Revision ID: abentley@panoramicfeedback.com-20070309214640-nnxk7g37bygoz50c
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bzrlib/tests/test_ui.py
1
 
# Copyright (C) 2005, 2008, 2009 Canonical Ltd
 
1
# Copyright (C) 2005 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
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
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""Tests for the bzrlib ui
18
18
"""
21
21
from StringIO import StringIO
22
22
import re
23
23
import sys
24
 
import time
25
24
 
26
 
from bzrlib import (
27
 
    errors,
28
 
    tests,
29
 
    ui as _mod_ui,
30
 
    )
31
 
from bzrlib.symbol_versioning import (
32
 
    deprecated_in,
33
 
    )
 
25
import bzrlib
 
26
import bzrlib.errors as errors
 
27
from bzrlib.progress import DotsProgressBar, TTYProgressBar, ProgressBarStack
34
28
from bzrlib.tests import (
35
 
    TestCase,
36
29
    TestUIFactory,
37
30
    StringIOWrapper,
38
 
    )
39
 
from bzrlib.tests.test_progress import (
40
 
    _NonTTYStringIO,
41
 
    _TTYStringIO,
42
 
    )
43
 
from bzrlib.ui import (
44
 
    CannedInputUIFactory,
45
 
    CLIUIFactory,
46
 
    SilentUIFactory,
47
 
    UIFactory,
48
 
    make_ui_for_terminal,
49
 
    )
50
 
from bzrlib.ui.text import (
51
 
    NullProgressView,
52
 
    TextProgressView,
53
 
    TextUIFactory,
54
 
    )
55
 
 
56
 
 
57
 
class UITests(tests.TestCase):
 
31
    TestCase,
 
32
    )
 
33
from bzrlib.tests.test_progress import _TTYStringIO
 
34
from bzrlib.ui import SilentUIFactory
 
35
from bzrlib.ui.text import TextUIFactory
 
36
 
 
37
 
 
38
class UITests(TestCase):
 
39
 
 
40
    def test_silent_factory(self):
 
41
        ui = SilentUIFactory()
 
42
        stdout = StringIO()
 
43
        self.assertEqual(None,
 
44
                         self.apply_redirected(None, stdout, stdout,
 
45
                                               ui.get_password))
 
46
        self.assertEqual('', stdout.getvalue())
 
47
        self.assertEqual(None,
 
48
                         self.apply_redirected(None, stdout, stdout,
 
49
                                               ui.get_password,
 
50
                                               u'Hello\u1234 %(user)s',
 
51
                                               user=u'some\u1234'))
 
52
        self.assertEqual('', stdout.getvalue())
58
53
 
59
54
    def test_text_factory_ascii_password(self):
60
 
        ui = tests.TestUIFactory(stdin='secret\n',
61
 
                                 stdout=tests.StringIOWrapper(),
62
 
                                 stderr=tests.StringIOWrapper())
 
55
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
63
56
        pb = ui.nested_progress_bar()
64
57
        try:
65
58
            self.assertEqual('secret',
66
59
                             self.apply_redirected(ui.stdin, ui.stdout,
67
 
                                                   ui.stderr,
 
60
                                                   ui.stdout,
68
61
                                                   ui.get_password))
69
62
            # ': ' is appended to prompt
70
 
            self.assertEqual(': ', ui.stderr.getvalue())
71
 
            self.assertEqual('', ui.stdout.readline())
72
 
            # stdin should be empty
73
 
            self.assertEqual('', ui.stdin.readline())
 
63
            self.assertEqual(': ', ui.stdout.getvalue())
74
64
        finally:
75
65
            pb.finished()
76
66
 
80
70
        We can't predict what encoding users will have for stdin, so we force
81
71
        it to utf8 to test that we transport the password correctly.
82
72
        """
83
 
        ui = tests.TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
84
 
                                 stdout=tests.StringIOWrapper(),
85
 
                                 stderr=tests.StringIOWrapper())
86
 
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = 'utf8'
 
73
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
 
74
                           stdout=StringIOWrapper())
 
75
        ui.stdin.encoding = 'utf8'
 
76
        ui.stdout.encoding = ui.stdin.encoding
87
77
        pb = ui.nested_progress_bar()
88
78
        try:
89
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
79
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
90
80
                                             ui.get_password,
91
81
                                             u'Hello \u1234 %(user)s',
92
82
                                             user=u'some\u1234')
93
83
            # We use StringIO objects, we need to decode them
94
84
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
95
85
            self.assertEqual(u'Hello \u1234 some\u1234: ',
96
 
                             ui.stderr.getvalue().decode('utf8'))
97
 
            # stdin and stdout should be empty
98
 
            self.assertEqual('', ui.stdin.readline())
99
 
            self.assertEqual('', ui.stdout.readline())
 
86
                             ui.stdout.getvalue().decode('utf8'))
100
87
        finally:
101
88
            pb.finished()
102
89
 
103
 
    def test_progress_construction(self):
104
 
        """TextUIFactory constructs the right progress view.
105
 
        """
106
 
        for (file_class, term, pb, expected_pb_class) in (
107
 
            # on an xterm, either use them or not as the user requests,
108
 
            # otherwise default on
109
 
            (_TTYStringIO, 'xterm', 'none', NullProgressView),
110
 
            (_TTYStringIO, 'xterm', 'text', TextProgressView),
111
 
            (_TTYStringIO, 'xterm', None, TextProgressView),
112
 
            # on a dumb terminal, again if there's explicit configuration do
113
 
            # it, otherwise default off
114
 
            (_TTYStringIO, 'dumb', 'none', NullProgressView),
115
 
            (_TTYStringIO, 'dumb', 'text', TextProgressView),
116
 
            (_TTYStringIO, 'dumb', None, NullProgressView),
117
 
            # on a non-tty terminal, it's null regardless of $TERM
118
 
            (StringIO, 'xterm', None, NullProgressView),
119
 
            (StringIO, 'dumb', None, NullProgressView),
120
 
            # however, it can still be forced on
121
 
            (StringIO, 'dumb', 'text', TextProgressView),
122
 
            ):
123
 
            os.environ['TERM'] = term
124
 
            if pb is None:
125
 
                if 'BZR_PROGRESS_BAR' in os.environ:
126
 
                    del os.environ['BZR_PROGRESS_BAR']
127
 
            else:
128
 
                os.environ['BZR_PROGRESS_BAR'] = pb
129
 
            stdin = file_class('')
130
 
            stderr = file_class()
131
 
            stdout = file_class()
132
 
            uif = make_ui_for_terminal(stdin, stdout, stderr)
133
 
            self.assertIsInstance(uif, TextUIFactory,
134
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
135
 
            self.assertIsInstance(uif.make_progress_view(),
136
 
                expected_pb_class,
137
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
138
 
 
139
 
    def test_text_ui_non_terminal(self):
140
 
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
141
 
        stdin = _NonTTYStringIO('')
142
 
        stderr = _NonTTYStringIO()
143
 
        stdout = _NonTTYStringIO()
144
 
        for term_type in ['dumb', None, 'xterm']:
145
 
            if term_type is None:
146
 
                del os.environ['TERM']
147
 
            else:
148
 
                os.environ['TERM'] = term_type
149
 
            uif = make_ui_for_terminal(stdin, stdout, stderr)
150
 
            self.assertIsInstance(uif, TextUIFactory,
151
 
                'TERM=%r' % (term_type,))
152
 
 
153
90
    def test_progress_note(self):
154
91
        stderr = StringIO()
155
92
        stdout = StringIO()
156
 
        ui_factory = TextUIFactory(stdin=StringIO(''),
157
 
            stderr=stderr,
158
 
            stdout=stdout)
 
93
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
159
94
        pb = ui_factory.nested_progress_bar()
160
95
        try:
 
96
            pb.to_messages_file = stdout
 
97
            ui_factory._progress_bar_stack.bottom().to_file = stderr
161
98
            result = pb.note('t')
162
99
            self.assertEqual(None, result)
163
100
            self.assertEqual("t\n", stdout.getvalue())
164
101
            # Since there was no update() call, there should be no clear() call
165
 
            self.failIf(re.search(r'^\r {10,}\r$',
166
 
                                  stderr.getvalue()) is not None,
 
102
            self.failIf(re.search(r'^\r {10,}\r$', stderr.getvalue()) is not None,
167
103
                        'We cleared the stderr without anything to put there')
168
104
        finally:
169
105
            pb.finished()
170
106
 
171
107
    def test_progress_note_clears(self):
172
 
        stderr = _TTYStringIO()
173
 
        stdout = _TTYStringIO()
174
 
        # so that we get a TextProgressBar
175
 
        os.environ['TERM'] = 'xterm'
176
 
        ui_factory = TextUIFactory(
177
 
            stdin=StringIO(''),
178
 
            stdout=stdout, stderr=stderr)
179
 
        self.assertIsInstance(ui_factory._progress_view,
180
 
            TextProgressView)
 
108
        stderr = StringIO()
 
109
        stdout = StringIO()
 
110
        # The PQM redirects the output to a file, so it
 
111
        # defaults to creating a Dots progress bar. we
 
112
        # need to force it to believe we are a TTY
 
113
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
181
114
        pb = ui_factory.nested_progress_bar()
182
115
        try:
 
116
            pb.to_messages_file = stdout
 
117
            ui_factory._progress_bar_stack.bottom().to_file = stderr
183
118
            # Create a progress update that isn't throttled
 
119
            pb.start_time -= 10
184
120
            pb.update('x', 1, 1)
185
121
            result = pb.note('t')
186
122
            self.assertEqual(None, result)
194
130
 
195
131
    def test_progress_nested(self):
196
132
        # test factory based nested and popping.
197
 
        ui = TextUIFactory(None, None, None)
 
133
        ui = TextUIFactory()
198
134
        pb1 = ui.nested_progress_bar()
199
135
        pb2 = ui.nested_progress_bar()
200
 
        # You do get a warning if the outermost progress bar wasn't finished
201
 
        # first - it's not clear if this is really useful or if it should just
202
 
        # become orphaned -- mbp 20090120
203
 
        warnings, _ = self.callCatchWarnings(pb1.finished)
204
 
        if len(warnings) != 1:
205
 
            self.fail("unexpected warnings: %r" % (warnings,))
 
136
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
206
137
        pb2.finished()
207
138
        pb1.finished()
208
139
 
209
 
    def test_text_ui_get_boolean(self):
210
 
        stdin = StringIO("y\n" # True
211
 
                         "n\n" # False
212
 
                         "yes with garbage\nY\n" # True
213
 
                         "not an answer\nno\n" # False
214
 
                         "I'm sure!\nyes\n" # True
215
 
                         "NO\n" # False
216
 
                         "foo\n")
 
140
    def test_progress_stack(self):
 
141
        # test the progress bar stack which the default text factory 
 
142
        # uses.
 
143
        stderr = StringIO()
217
144
        stdout = StringIO()
218
 
        stderr = StringIO()
219
 
        factory = TextUIFactory(stdin, stdout, stderr)
220
 
        self.assertEqual(True, factory.get_boolean(""))
221
 
        self.assertEqual(False, factory.get_boolean(""))
222
 
        self.assertEqual(True, factory.get_boolean(""))
223
 
        self.assertEqual(False, factory.get_boolean(""))
224
 
        self.assertEqual(True, factory.get_boolean(""))
 
145
        # make a stack, which accepts parameters like a pb.
 
146
        stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
 
147
        # but is not one
 
148
        self.assertFalse(getattr(stack, 'note', False))
 
149
        pb1 = stack.get_nested()
 
150
        pb2 = stack.get_nested()
 
151
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
152
        pb2.finished()
 
153
        pb1.finished()
 
154
        # the text ui factory never actually removes the stack once its setup.
 
155
        # we need to be able to nest again correctly from here.
 
156
        pb1 = stack.get_nested()
 
157
        pb2 = stack.get_nested()
 
158
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
159
        pb2.finished()
 
160
        pb1.finished()
 
161
 
 
162
    def test_text_factory_setting_progress_bar(self):
 
163
        # we should be able to choose the progress bar type used.
 
164
        factory = bzrlib.ui.text.TextUIFactory(
 
165
            bar_type=DotsProgressBar)
 
166
        bar = factory.nested_progress_bar()
 
167
        bar.finished()
 
168
        self.assertIsInstance(bar, DotsProgressBar)
 
169
 
 
170
    def test_cli_stdin_is_default_stdin(self):
 
171
        factory = bzrlib.ui.CLIUIFactory()
 
172
        self.assertEqual(sys.stdin, factory.stdin)
 
173
 
 
174
    def assert_get_bool_acceptance_of_user_input(self, factory):
 
175
        factory.stdin = StringIO("y\nyes with garbage\nyes\nn\nnot an answer\nno\nfoo\n")
 
176
        factory.stdout = StringIO()
 
177
        # there is no output from the base factory
 
178
        self.assertEqual(True, factory.get_boolean(""))
 
179
        self.assertEqual(True, factory.get_boolean(""))
 
180
        self.assertEqual(False, factory.get_boolean(""))
225
181
        self.assertEqual(False, factory.get_boolean(""))
226
182
        self.assertEqual("foo\n", factory.stdin.read())
227
 
        # stdin should be empty
228
 
        self.assertEqual('', factory.stdin.readline())
229
 
 
230
 
    def test_text_factory_prompt(self):
231
 
        # see <https://launchpad.net/bugs/365891>
232
 
        factory = TextUIFactory(StringIO(), StringIO(), StringIO())
233
 
        factory.prompt('foo %2e')
234
 
        self.assertEqual('', factory.stdout.getvalue())
235
 
        self.assertEqual('foo %2e', factory.stderr.getvalue())
 
183
 
 
184
    def test_silent_ui_getbool(self):
 
185
        factory = bzrlib.ui.SilentUIFactory()
 
186
        self.assert_get_bool_acceptance_of_user_input(factory)
 
187
 
 
188
    def test_silent_factory_prompts_silently(self):
 
189
        factory = bzrlib.ui.SilentUIFactory()
 
190
        stdout = StringIO()
 
191
        factory.stdin = StringIO("y\n")
 
192
        self.assertEqual(
 
193
            True,
 
194
            self.apply_redirected(
 
195
                None, stdout, stdout, factory.get_boolean, "foo")
 
196
            )
 
197
        self.assertEqual("", stdout.getvalue())
 
198
        
 
199
    def test_text_ui_getbool(self):
 
200
        factory = bzrlib.ui.text.TextUIFactory()
 
201
        self.assert_get_bool_acceptance_of_user_input(factory)
236
202
 
237
203
    def test_text_factory_prompts_and_clears(self):
238
204
        # a get_boolean call should clear the pb before prompting
239
 
        out = _TTYStringIO()
240
 
        os.environ['TERM'] = 'xterm'
241
 
        factory = TextUIFactory(stdin=StringIO("yada\ny\n"), stdout=out, stderr=out)
242
 
        pb = factory.nested_progress_bar()
243
 
        pb.show_bar = False
244
 
        pb.show_spinner = False
245
 
        pb.show_count = False
246
 
        pb.update("foo", 0, 1)
247
 
        self.assertEqual(True,
248
 
                         self.apply_redirected(None, factory.stdout,
249
 
                                               factory.stdout,
250
 
                                               factory.get_boolean,
251
 
                                               "what do you want"))
252
 
        output = out.getvalue()
253
 
        self.assertContainsRe(factory.stdout.getvalue(),
254
 
            "foo *\r\r  *\r*")
255
 
        self.assertContainsRe(factory.stdout.getvalue(),
256
 
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
257
 
        # stdin should have been totally consumed
258
 
        self.assertEqual('', factory.stdin.readline())
259
 
 
260
 
    def test_text_tick_after_update(self):
261
 
        ui_factory = TextUIFactory(stdout=StringIO(), stderr=StringIO())
262
 
        pb = ui_factory.nested_progress_bar()
263
 
        try:
264
 
            pb.update('task', 0, 3)
265
 
            # Reset the clock, so that it actually tries to repaint itself
266
 
            ui_factory._progress_view._last_repaint = time.time() - 1.0
267
 
            pb.tick()
268
 
        finally:
269
 
            pb.finished()
270
 
 
271
 
    def test_text_ui_getusername(self):
272
 
        factory = TextUIFactory(None, None, None)
273
 
        factory.stdin = StringIO("someuser\n\n")
274
 
        factory.stdout = StringIO()
275
 
        factory.stderr = StringIO()
276
 
        factory.stdout.encoding = "utf8"
277
 
        # there is no output from the base factory
278
 
        self.assertEqual("someuser",
279
 
                         factory.get_username('Hello %(host)s', host='some'))
280
 
        self.assertEquals("Hello some: ", factory.stderr.getvalue())
281
 
        self.assertEquals('', factory.stdout.getvalue())
282
 
        self.assertEqual("", factory.get_username("Gebruiker"))
283
 
        # stdin should be empty
284
 
        self.assertEqual('', factory.stdin.readline())
285
 
 
286
 
    def test_text_ui_getusername_utf8(self):
287
 
        ui = tests.TestUIFactory(stdin=u'someuser\u1234'.encode('utf8'),
288
 
                                 stdout=tests.StringIOWrapper(),
289
 
                                 stderr=tests.StringIOWrapper())
290
 
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = "utf8"
291
 
        pb = ui.nested_progress_bar()
292
 
        try:
293
 
            # there is no output from the base factory
294
 
            username = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
295
 
                ui.get_username, u'Hello\u1234 %(host)s', host=u'some\u1234')
296
 
            self.assertEquals(u"someuser\u1234", username.decode('utf8'))
297
 
            self.assertEquals(u"Hello\u1234 some\u1234: ",
298
 
                              ui.stderr.getvalue().decode("utf8"))
299
 
            self.assertEquals('', ui.stdout.getvalue())
300
 
        finally:
301
 
            pb.finished()
302
 
 
303
 
 
304
 
class CLIUITests(TestCase):
305
 
 
306
 
    def test_cli_factory_deprecated(self):
307
 
        uif = self.applyDeprecated(deprecated_in((1, 18, 0)),
308
 
            CLIUIFactory,
309
 
            StringIO(), StringIO(), StringIO())
310
 
        self.assertIsInstance(uif, UIFactory)
311
 
 
312
 
 
313
 
class SilentUITests(TestCase):
314
 
 
315
 
    def test_silent_factory_get_password(self):
316
 
        # A silent factory that can't do user interaction can't get a
317
 
        # password.  Possibly it should raise a more specific error but it
318
 
        # can't succeed.
319
 
        ui = SilentUIFactory()
320
 
        stdout = StringIO()
321
 
        self.assertRaises(
322
 
            NotImplementedError,
323
 
            self.apply_redirected,
324
 
            None, stdout, stdout, ui.get_password)
325
 
        # and it didn't write anything out either
326
 
        self.assertEqual('', stdout.getvalue())
327
 
 
328
 
    def test_silent_ui_getbool(self):
329
 
        factory = SilentUIFactory()
330
 
        stdout = StringIO()
331
 
        self.assertRaises(
332
 
            NotImplementedError,
333
 
            self.apply_redirected,
334
 
            None, stdout, stdout, factory.get_boolean, "foo")
335
 
 
336
 
 
337
 
class TestUIFactoryTests(TestCase):
338
 
 
339
 
    def test_test_ui_factory_progress(self):
340
 
        # there's no output; we just want to make sure this doesn't crash -
341
 
        # see https://bugs.edge.launchpad.net/bzr/+bug/408201
342
 
        ui = TestUIFactory()
343
 
        pb = ui.nested_progress_bar()
344
 
        pb.update('hello')
345
 
        pb.tick()
346
 
        pb.finished()
347
 
 
348
 
 
349
 
class CannedInputUIFactoryTests(TestCase):
350
 
    
351
 
    def test_canned_input_get_input(self):
352
 
        uif = CannedInputUIFactory([True, 'mbp', 'password'])
353
 
        self.assertEqual(uif.get_boolean('Extra cheese?'), True)
354
 
        self.assertEqual(uif.get_username('Enter your user name'), 'mbp')
355
 
        self.assertEqual(uif.get_password('Password for %(host)s', host='example.com'),
356
 
            'password')
357
 
 
358
 
 
359
 
class TestBoolFromString(tests.TestCase):
360
 
 
361
 
    def assertIsTrue(self, s, accepted_values=None):
362
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
363
 
        self.assertEquals(True, res)
364
 
 
365
 
    def assertIsFalse(self, s, accepted_values=None):
366
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
367
 
        self.assertEquals(False, res)
368
 
 
369
 
    def assertIsNone(self, s, accepted_values=None):
370
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
371
 
        self.assertIs(None, res)
372
 
 
373
 
    def test_know_valid_values(self):
374
 
        self.assertIsTrue('true')
375
 
        self.assertIsFalse('false')
376
 
        self.assertIsTrue('1')
377
 
        self.assertIsFalse('0')
378
 
        self.assertIsTrue('on')
379
 
        self.assertIsFalse('off')
380
 
        self.assertIsTrue('yes')
381
 
        self.assertIsFalse('no')
382
 
        self.assertIsTrue('y')
383
 
        self.assertIsFalse('n')
384
 
        # Also try some case variations
385
 
        self.assertIsTrue('True')
386
 
        self.assertIsFalse('False')
387
 
        self.assertIsTrue('On')
388
 
        self.assertIsFalse('Off')
389
 
        self.assertIsTrue('ON')
390
 
        self.assertIsFalse('OFF')
391
 
        self.assertIsTrue('oN')
392
 
        self.assertIsFalse('oFf')
393
 
 
394
 
    def test_invalid_values(self):
395
 
        self.assertIsNone(None)
396
 
        self.assertIsNone('doubt')
397
 
        self.assertIsNone('frue')
398
 
        self.assertIsNone('talse')
399
 
        self.assertIsNone('42')
400
 
 
401
 
    def test_provided_values(self):
402
 
        av = dict(y=True, n=False, yes=True, no=False)
403
 
        self.assertIsTrue('y', av)
404
 
        self.assertIsTrue('Y', av)
405
 
        self.assertIsTrue('Yes', av)
406
 
        self.assertIsFalse('n', av)
407
 
        self.assertIsFalse('N', av)
408
 
        self.assertIsFalse('No', av)
409
 
        self.assertIsNone('1', av)
410
 
        self.assertIsNone('0', av)
411
 
        self.assertIsNone('on', av)
412
 
        self.assertIsNone('off', av)
 
205
        factory = bzrlib.ui.text.TextUIFactory(bar_type=DotsProgressBar)
 
206
        factory.stdout = _TTYStringIO()
 
207
        factory.stdin = StringIO("yada\ny\n")
 
208
        pb = self.apply_redirected(
 
209
            factory.stdin, factory.stdout, factory.stdout, factory.nested_progress_bar)
 
210
        pb.start_time = None
 
211
        self.apply_redirected(
 
212
            factory.stdin, factory.stdout, factory.stdout, pb.update, "foo", 0, 1)
 
213
        self.assertEqual(
 
214
            True,
 
215
            self.apply_redirected(
 
216
                None, factory.stdout, factory.stdout, factory.get_boolean, "what do you want")
 
217
            )
 
218
        output = factory.stdout.getvalue()
 
219
        self.assertEqual("foo: .\n"
 
220
                         "what do you want? [y/n]: what do you want? [y/n]: ",
 
221
                         factory.stdout.getvalue())