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Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Vincent Ladeuil
  • Date: 2010-02-10 15:46:03 UTC
  • mfrom: (4985.3.21 update)
  • mto: This revision was merged to the branch mainline in revision 5021.
  • Revision ID: v.ladeuil+lp@free.fr-20100210154603-k4no1gvfuqpzrw7p
https://launchpad.net/bugs/113809
Update performs two merges in a more logical order but stop on conflicts

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bzrlib/tests/test_ui.py
1
 
# Copyright (C) 2005, 2008, 2009 Canonical Ltd
 
1
# Copyright (C) 2005, 2008, 2009, 2010 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
17
"""Tests for the bzrlib ui
18
18
"""
19
19
 
20
20
import os
21
 
from StringIO import StringIO
22
21
import re
23
 
import sys
 
22
import time
24
23
 
25
 
import bzrlib
26
 
import bzrlib.errors as errors
27
 
from bzrlib.progress import (
28
 
    DotsProgressBar,
29
 
    ProgressBarStack,
30
 
    TTYProgressBar,
 
24
from bzrlib import (
 
25
    errors,
 
26
    tests,
 
27
    ui as _mod_ui,
31
28
    )
32
29
from bzrlib.symbol_versioning import (
33
30
    deprecated_in,
34
31
    )
35
 
from bzrlib.tests import (
36
 
    TestCase,
37
 
    TestUIFactory,
38
 
    StringIOWrapper,
39
 
    )
40
 
from bzrlib.tests.test_progress import _TTYStringIO
41
 
from bzrlib.ui import (
42
 
    CLIUIFactory,
43
 
    SilentUIFactory,
44
 
    )
45
 
from bzrlib.ui.text import TextUIFactory
46
 
 
47
 
 
48
 
class UITests(TestCase):
49
 
 
50
 
    def test_silent_factory(self):
51
 
        ui = SilentUIFactory()
52
 
        stdout = StringIO()
53
 
        self.assertEqual(None,
54
 
                         self.apply_redirected(None, stdout, stdout,
55
 
                                               ui.get_password))
56
 
        self.assertEqual('', stdout.getvalue())
57
 
        self.assertEqual(None,
58
 
                         self.apply_redirected(None, stdout, stdout,
59
 
                                               ui.get_password,
60
 
                                               u'Hello\u1234 %(user)s',
61
 
                                               user=u'some\u1234'))
62
 
        self.assertEqual('', stdout.getvalue())
 
32
from bzrlib.tests import test_progress
 
33
from bzrlib.ui import text as _mod_ui_text
 
34
 
 
35
 
 
36
class TestTextUIFactory(tests.TestCase):
63
37
 
64
38
    def test_text_factory_ascii_password(self):
65
 
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
 
39
        ui = tests.TestUIFactory(stdin='secret\n',
 
40
                                 stdout=tests.StringIOWrapper(),
 
41
                                 stderr=tests.StringIOWrapper())
66
42
        pb = ui.nested_progress_bar()
67
43
        try:
68
44
            self.assertEqual('secret',
69
45
                             self.apply_redirected(ui.stdin, ui.stdout,
70
 
                                                   ui.stdout,
 
46
                                                   ui.stderr,
71
47
                                                   ui.get_password))
72
48
            # ': ' is appended to prompt
73
 
            self.assertEqual(': ', ui.stdout.getvalue())
 
49
            self.assertEqual(': ', ui.stderr.getvalue())
 
50
            self.assertEqual('', ui.stdout.readline())
74
51
            # stdin should be empty
75
52
            self.assertEqual('', ui.stdin.readline())
76
53
        finally:
82
59
        We can't predict what encoding users will have for stdin, so we force
83
60
        it to utf8 to test that we transport the password correctly.
84
61
        """
85
 
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
86
 
                           stdout=StringIOWrapper())
87
 
        ui.stdin.encoding = 'utf8'
88
 
        ui.stdout.encoding = ui.stdin.encoding
 
62
        ui = tests.TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
 
63
                                 stdout=tests.StringIOWrapper(),
 
64
                                 stderr=tests.StringIOWrapper())
 
65
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = 'utf8'
89
66
        pb = ui.nested_progress_bar()
90
67
        try:
91
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
 
68
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
92
69
                                             ui.get_password,
93
70
                                             u'Hello \u1234 %(user)s',
94
71
                                             user=u'some\u1234')
95
72
            # We use StringIO objects, we need to decode them
96
73
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
97
74
            self.assertEqual(u'Hello \u1234 some\u1234: ',
98
 
                             ui.stdout.getvalue().decode('utf8'))
99
 
            # stdin should be empty
 
75
                             ui.stderr.getvalue().decode('utf8'))
 
76
            # stdin and stdout should be empty
100
77
            self.assertEqual('', ui.stdin.readline())
 
78
            self.assertEqual('', ui.stdout.readline())
101
79
        finally:
102
80
            pb.finished()
103
81
 
104
82
    def test_progress_note(self):
105
 
        stderr = StringIO()
106
 
        stdout = StringIO()
107
 
        ui_factory = TextUIFactory(stdin=StringIO(''),
108
 
            stderr=stderr,
109
 
            stdout=stdout)
 
83
        stderr = tests.StringIOWrapper()
 
84
        stdout = tests.StringIOWrapper()
 
85
        ui_factory = _mod_ui_text.TextUIFactory(stdin=tests.StringIOWrapper(''),
 
86
                                                stderr=stderr,
 
87
                                                stdout=stdout)
110
88
        pb = ui_factory.nested_progress_bar()
111
89
        try:
112
 
            result = pb.note('t')
 
90
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
 
91
                pb.note,
 
92
                't')
113
93
            self.assertEqual(None, result)
114
94
            self.assertEqual("t\n", stdout.getvalue())
115
95
            # Since there was no update() call, there should be no clear() call
120
100
            pb.finished()
121
101
 
122
102
    def test_progress_note_clears(self):
123
 
        stderr = StringIO()
124
 
        stdout = StringIO()
125
 
        # The PQM redirects the output to a file, so it
126
 
        # defaults to creating a Dots progress bar. we
127
 
        # need to force it to believe we are a TTY
128
 
        ui_factory = TextUIFactory(
129
 
            stdin=StringIO(''),
 
103
        stderr = test_progress._TTYStringIO()
 
104
        stdout = test_progress._TTYStringIO()
 
105
        # so that we get a TextProgressBar
 
106
        os.environ['TERM'] = 'xterm'
 
107
        ui_factory = _mod_ui_text.TextUIFactory(
 
108
            stdin=tests.StringIOWrapper(''),
130
109
            stdout=stdout, stderr=stderr)
 
110
        self.assertIsInstance(ui_factory._progress_view,
 
111
                              _mod_ui_text.TextProgressView)
131
112
        pb = ui_factory.nested_progress_bar()
132
113
        try:
133
114
            # Create a progress update that isn't throttled
134
115
            pb.update('x', 1, 1)
135
 
            result = pb.note('t')
 
116
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
 
117
                pb.note, 't')
136
118
            self.assertEqual(None, result)
137
119
            self.assertEqual("t\n", stdout.getvalue())
138
120
            # the exact contents will depend on the terminal width and we don't
142
124
        finally:
143
125
            pb.finished()
144
126
 
145
 
    def test_progress_nested(self):
146
 
        # test factory based nested and popping.
147
 
        ui = TextUIFactory(None, None, None)
148
 
        pb1 = ui.nested_progress_bar()
149
 
        pb2 = ui.nested_progress_bar()
150
 
        # You do get a warning if the outermost progress bar wasn't finished
151
 
        # first - it's not clear if this is really useful or if it should just
152
 
        # become orphaned -- mbp 20090120
153
 
        warnings, _ = self.callCatchWarnings(pb1.finished)
154
 
        if len(warnings) != 1:
155
 
            self.fail("unexpected warnings: %r" % (warnings,))
156
 
        pb2.finished()
157
 
        pb1.finished()
158
 
 
159
 
    def test_progress_stack(self):
160
 
        # test the progress bar stack which the default text factory 
161
 
        # uses.
162
 
        stderr = StringIO()
163
 
        stdout = StringIO()
164
 
        # make a stack, which accepts parameters like a pb.
165
 
        stack = self.applyDeprecated(
166
 
            deprecated_in((1, 12, 0)),
167
 
            ProgressBarStack,
168
 
            to_file=stderr, to_messages_file=stdout)
169
 
        # but is not one
170
 
        self.assertFalse(getattr(stack, 'note', False))
171
 
        pb1 = stack.get_nested()
172
 
        pb2 = stack.get_nested()
173
 
        warnings, _ = self.callCatchWarnings(pb1.finished)
174
 
        self.assertEqual(len(warnings), 1)
175
 
        pb2.finished()
176
 
        pb1.finished()
177
 
        # the text ui factory never actually removes the stack once its setup.
178
 
        # we need to be able to nest again correctly from here.
179
 
        pb1 = stack.get_nested()
180
 
        pb2 = stack.get_nested()
181
 
        warnings, _ = self.callCatchWarnings(pb1.finished)
182
 
        self.assertEqual(len(warnings), 1)
183
 
        pb2.finished()
184
 
        pb1.finished()
185
 
 
186
 
    def assert_get_bool_acceptance_of_user_input(self, factory):
187
 
        factory.stdin = StringIO("y\nyes with garbage\n"
188
 
                                 "yes\nn\nnot an answer\n"
189
 
                                 "no\nfoo\n")
190
 
        factory.stdout = StringIO()
191
 
        # there is no output from the base factory
192
 
        self.assertEqual(True, factory.get_boolean(""))
193
 
        self.assertEqual(True, factory.get_boolean(""))
194
 
        self.assertEqual(False, factory.get_boolean(""))
 
127
    def test_text_ui_get_boolean(self):
 
128
        stdin = tests.StringIOWrapper("y\n" # True
 
129
                                      "n\n" # False
 
130
                                      "yes with garbage\nY\n" # True
 
131
                                      "not an answer\nno\n" # False
 
132
                                      "I'm sure!\nyes\n" # True
 
133
                                      "NO\n" # False
 
134
                                      "foo\n")
 
135
        stdout = tests.StringIOWrapper()
 
136
        stderr = tests.StringIOWrapper()
 
137
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
 
138
        self.assertEqual(True, factory.get_boolean(""))
 
139
        self.assertEqual(False, factory.get_boolean(""))
 
140
        self.assertEqual(True, factory.get_boolean(""))
 
141
        self.assertEqual(False, factory.get_boolean(""))
 
142
        self.assertEqual(True, factory.get_boolean(""))
195
143
        self.assertEqual(False, factory.get_boolean(""))
196
144
        self.assertEqual("foo\n", factory.stdin.read())
197
145
        # stdin should be empty
198
146
        self.assertEqual('', factory.stdin.readline())
199
147
 
200
 
    def test_silent_ui_getbool(self):
201
 
        factory = SilentUIFactory()
202
 
        self.assert_get_bool_acceptance_of_user_input(factory)
203
 
 
204
 
    def test_silent_factory_prompts_silently(self):
205
 
        factory = SilentUIFactory()
206
 
        stdout = StringIO()
207
 
        factory.stdin = StringIO("y\n")
208
 
        self.assertEqual(True,
209
 
                         self.apply_redirected(None, stdout, stdout,
210
 
                                               factory.get_boolean, "foo"))
211
 
        self.assertEqual("", stdout.getvalue())
212
 
        # stdin should be empty
213
 
        self.assertEqual('', factory.stdin.readline())
214
 
 
215
 
    def test_text_ui_getbool(self):
216
 
        factory = TextUIFactory(None, None, None)
217
 
        self.assert_get_bool_acceptance_of_user_input(factory)
 
148
    def test_text_ui_get_integer(self):
 
149
        stdin = tests.StringIOWrapper(
 
150
            "1\n"
 
151
            "  -2  \n"
 
152
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
 
153
        stdout = tests.StringIOWrapper()
 
154
        stderr = tests.StringIOWrapper()
 
155
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
 
156
        self.assertEqual(1, factory.get_integer(""))
 
157
        self.assertEqual(-2, factory.get_integer(""))
 
158
        self.assertEqual(42, factory.get_integer(""))
 
159
 
 
160
    def test_text_factory_prompt(self):
 
161
        # see <https://launchpad.net/bugs/365891>
 
162
        StringIO = tests.StringIOWrapper
 
163
        factory = _mod_ui_text.TextUIFactory(StringIO(), StringIO(), StringIO())
 
164
        factory.prompt('foo %2e')
 
165
        self.assertEqual('', factory.stdout.getvalue())
 
166
        self.assertEqual('foo %2e', factory.stderr.getvalue())
218
167
 
219
168
    def test_text_factory_prompts_and_clears(self):
220
169
        # a get_boolean call should clear the pb before prompting
221
 
        out = _TTYStringIO()
222
 
        factory = TextUIFactory(stdin=StringIO("yada\ny\n"), stdout=out, stderr=out)
 
170
        out = test_progress._TTYStringIO()
 
171
        os.environ['TERM'] = 'xterm'
 
172
        factory = _mod_ui_text.TextUIFactory(
 
173
            stdin=tests.StringIOWrapper("yada\ny\n"),
 
174
            stdout=out, stderr=out)
223
175
        pb = factory.nested_progress_bar()
224
176
        pb.show_bar = False
225
177
        pb.show_spinner = False
237
189
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
238
190
        # stdin should have been totally consumed
239
191
        self.assertEqual('', factory.stdin.readline())
 
192
 
 
193
    def test_text_tick_after_update(self):
 
194
        ui_factory = _mod_ui_text.TextUIFactory(stdout=tests.StringIOWrapper(),
 
195
                                                stderr=tests.StringIOWrapper())
 
196
        pb = ui_factory.nested_progress_bar()
 
197
        try:
 
198
            pb.update('task', 0, 3)
 
199
            # Reset the clock, so that it actually tries to repaint itself
 
200
            ui_factory._progress_view._last_repaint = time.time() - 1.0
 
201
            pb.tick()
 
202
        finally:
 
203
            pb.finished()
 
204
 
 
205
    def test_text_ui_getusername(self):
 
206
        factory = _mod_ui_text.TextUIFactory(None, None, None)
 
207
        factory.stdin = tests.StringIOWrapper("someuser\n\n")
 
208
        factory.stdout = tests.StringIOWrapper()
 
209
        factory.stderr = tests.StringIOWrapper()
 
210
        factory.stdout.encoding = "utf8"
 
211
        # there is no output from the base factory
 
212
        self.assertEqual("someuser",
 
213
                         factory.get_username('Hello %(host)s', host='some'))
 
214
        self.assertEquals("Hello some: ", factory.stderr.getvalue())
 
215
        self.assertEquals('', factory.stdout.getvalue())
 
216
        self.assertEqual("", factory.get_username("Gebruiker"))
 
217
        # stdin should be empty
 
218
        self.assertEqual('', factory.stdin.readline())
 
219
 
 
220
    def test_text_ui_getusername_utf8(self):
 
221
        ui = tests.TestUIFactory(stdin=u'someuser\u1234'.encode('utf8'),
 
222
                                 stdout=tests.StringIOWrapper(),
 
223
                                 stderr=tests.StringIOWrapper())
 
224
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = "utf8"
 
225
        pb = ui.nested_progress_bar()
 
226
        try:
 
227
            # there is no output from the base factory
 
228
            username = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
229
                ui.get_username, u'Hello\u1234 %(host)s', host=u'some\u1234')
 
230
            self.assertEquals(u"someuser\u1234", username.decode('utf8'))
 
231
            self.assertEquals(u"Hello\u1234 some\u1234: ",
 
232
                              ui.stderr.getvalue().decode("utf8"))
 
233
            self.assertEquals('', ui.stdout.getvalue())
 
234
        finally:
 
235
            pb.finished()
 
236
 
 
237
    def test_quietness(self):
 
238
        os.environ['BZR_PROGRESS_BAR'] = 'text'
 
239
        ui_factory = _mod_ui_text.TextUIFactory(None,
 
240
            test_progress._TTYStringIO(),
 
241
            test_progress._TTYStringIO())
 
242
        self.assertIsInstance(ui_factory._progress_view,
 
243
            _mod_ui_text.TextProgressView)
 
244
        ui_factory.be_quiet(True)
 
245
        self.assertIsInstance(ui_factory._progress_view,
 
246
            _mod_ui_text.NullProgressView)
 
247
 
 
248
 
 
249
class TestTextUIOutputStream(tests.TestCase):
 
250
    """Tests for output stream that synchronizes with progress bar."""
 
251
 
 
252
    def test_output_clears_terminal(self):
 
253
        stdout = tests.StringIOWrapper()
 
254
        stderr = tests.StringIOWrapper()
 
255
        clear_calls = []
 
256
 
 
257
        uif =  _mod_ui_text.TextUIFactory(None, stdout, stderr)
 
258
        uif.clear_term = lambda: clear_calls.append('clear')
 
259
 
 
260
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout)
 
261
        stream.write("Hello world!\n")
 
262
        stream.write("there's more...\n")
 
263
        stream.writelines(["1\n", "2\n", "3\n"])
 
264
 
 
265
        self.assertEqual(stdout.getvalue(),
 
266
            "Hello world!\n"
 
267
            "there's more...\n"
 
268
            "1\n2\n3\n")
 
269
        self.assertEqual(['clear', 'clear', 'clear'],
 
270
            clear_calls)
 
271
 
 
272
        stream.flush()
 
273
 
 
274
 
 
275
class UITests(tests.TestCase):
 
276
 
 
277
    def test_progress_construction(self):
 
278
        """TextUIFactory constructs the right progress view.
 
279
        """
 
280
        TTYStringIO = test_progress._TTYStringIO
 
281
        FileStringIO = tests.StringIOWrapper
 
282
        for (file_class, term, pb, expected_pb_class) in (
 
283
            # on an xterm, either use them or not as the user requests,
 
284
            # otherwise default on
 
285
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
 
286
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
 
287
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
 
288
            # on a dumb terminal, again if there's explicit configuration do
 
289
            # it, otherwise default off
 
290
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
 
291
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
292
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
293
            # on a non-tty terminal, it's null regardless of $TERM
 
294
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
 
295
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
296
            # however, it can still be forced on
 
297
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
298
            ):
 
299
            os.environ['TERM'] = term
 
300
            if pb is None:
 
301
                if 'BZR_PROGRESS_BAR' in os.environ:
 
302
                    del os.environ['BZR_PROGRESS_BAR']
 
303
            else:
 
304
                os.environ['BZR_PROGRESS_BAR'] = pb
 
305
            stdin = file_class('')
 
306
            stderr = file_class()
 
307
            stdout = file_class()
 
308
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
309
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
310
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
311
            self.assertIsInstance(uif.make_progress_view(),
 
312
                expected_pb_class,
 
313
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
314
 
 
315
    def test_text_ui_non_terminal(self):
 
316
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
 
317
        stdin = test_progress._NonTTYStringIO('')
 
318
        stderr = test_progress._NonTTYStringIO()
 
319
        stdout = test_progress._NonTTYStringIO()
 
320
        for term_type in ['dumb', None, 'xterm']:
 
321
            if term_type is None:
 
322
                del os.environ['TERM']
 
323
            else:
 
324
                os.environ['TERM'] = term_type
 
325
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
326
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
327
                'TERM=%r' % (term_type,))
 
328
 
 
329
 
 
330
class SilentUITests(tests.TestCase):
 
331
 
 
332
    def test_silent_factory_get_password(self):
 
333
        # A silent factory that can't do user interaction can't get a
 
334
        # password.  Possibly it should raise a more specific error but it
 
335
        # can't succeed.
 
336
        ui = _mod_ui.SilentUIFactory()
 
337
        stdout = tests.StringIOWrapper()
 
338
        self.assertRaises(
 
339
            NotImplementedError,
 
340
            self.apply_redirected,
 
341
            None, stdout, stdout, ui.get_password)
 
342
        # and it didn't write anything out either
 
343
        self.assertEqual('', stdout.getvalue())
 
344
 
 
345
    def test_silent_ui_getbool(self):
 
346
        factory = _mod_ui.SilentUIFactory()
 
347
        stdout = tests.StringIOWrapper()
 
348
        self.assertRaises(
 
349
            NotImplementedError,
 
350
            self.apply_redirected,
 
351
            None, stdout, stdout, factory.get_boolean, "foo")
 
352
 
 
353
 
 
354
class TestUIFactoryTests(tests.TestCase):
 
355
 
 
356
    def test_test_ui_factory_progress(self):
 
357
        # there's no output; we just want to make sure this doesn't crash -
 
358
        # see https://bugs.edge.launchpad.net/bzr/+bug/408201
 
359
        ui = tests.TestUIFactory()
 
360
        pb = ui.nested_progress_bar()
 
361
        pb.update('hello')
 
362
        pb.tick()
 
363
        pb.finished()
 
364
 
 
365
 
 
366
class CannedInputUIFactoryTests(tests.TestCase):
 
367
 
 
368
    def test_canned_input_get_input(self):
 
369
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
 
370
        self.assertEqual(True, uif.get_boolean('Extra cheese?'))
 
371
        self.assertEqual('mbp', uif.get_username('Enter your user name'))
 
372
        self.assertEqual('password',
 
373
                         uif.get_password('Password for %(host)s',
 
374
                                          host='example.com'))
 
375
        self.assertEqual(42, uif.get_integer('And all that jazz ?'))
 
376
 
 
377
 
 
378
class TestBoolFromString(tests.TestCase):
 
379
 
 
380
    def assertIsTrue(self, s, accepted_values=None):
 
381
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
382
        self.assertEquals(True, res)
 
383
 
 
384
    def assertIsFalse(self, s, accepted_values=None):
 
385
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
386
        self.assertEquals(False, res)
 
387
 
 
388
    def assertIsNone(self, s, accepted_values=None):
 
389
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
390
        self.assertIs(None, res)
 
391
 
 
392
    def test_know_valid_values(self):
 
393
        self.assertIsTrue('true')
 
394
        self.assertIsFalse('false')
 
395
        self.assertIsTrue('1')
 
396
        self.assertIsFalse('0')
 
397
        self.assertIsTrue('on')
 
398
        self.assertIsFalse('off')
 
399
        self.assertIsTrue('yes')
 
400
        self.assertIsFalse('no')
 
401
        self.assertIsTrue('y')
 
402
        self.assertIsFalse('n')
 
403
        # Also try some case variations
 
404
        self.assertIsTrue('True')
 
405
        self.assertIsFalse('False')
 
406
        self.assertIsTrue('On')
 
407
        self.assertIsFalse('Off')
 
408
        self.assertIsTrue('ON')
 
409
        self.assertIsFalse('OFF')
 
410
        self.assertIsTrue('oN')
 
411
        self.assertIsFalse('oFf')
 
412
 
 
413
    def test_invalid_values(self):
 
414
        self.assertIsNone(None)
 
415
        self.assertIsNone('doubt')
 
416
        self.assertIsNone('frue')
 
417
        self.assertIsNone('talse')
 
418
        self.assertIsNone('42')
 
419
 
 
420
    def test_provided_values(self):
 
421
        av = dict(y=True, n=False, yes=True, no=False)
 
422
        self.assertIsTrue('y', av)
 
423
        self.assertIsTrue('Y', av)
 
424
        self.assertIsTrue('Yes', av)
 
425
        self.assertIsFalse('n', av)
 
426
        self.assertIsFalse('N', av)
 
427
        self.assertIsFalse('No', av)
 
428
        self.assertIsNone('1', av)
 
429
        self.assertIsNone('0', av)
 
430
        self.assertIsNone('on', av)
 
431
        self.assertIsNone('off', av)