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Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Aaron Bentley
  • Date: 2008-11-04 19:59:11 UTC
  • mto: This revision was merged to the branch mainline in revision 3823.
  • Revision ID: aaron@aaronbentley.com-20081104195911-oe0co22ksc2bio8p
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bzrlib/tests/test_ui.py
1
 
# Copyright (C) 2005, 2008, 2009, 2010 Canonical Ltd
 
1
# Copyright (C) 2005 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
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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
"""
19
19
 
20
20
import os
 
21
from StringIO import StringIO
21
22
import re
22
 
import time
23
 
 
24
 
from bzrlib import (
25
 
    errors,
26
 
    tests,
27
 
    ui as _mod_ui,
28
 
    )
29
 
from bzrlib.symbol_versioning import (
30
 
    deprecated_in,
31
 
    )
32
 
from bzrlib.tests import test_progress
33
 
from bzrlib.ui import text as _mod_ui_text
34
 
 
35
 
 
36
 
class TestTextUIFactory(tests.TestCase):
 
23
import sys
 
24
 
 
25
import bzrlib
 
26
import bzrlib.errors as errors
 
27
from bzrlib.progress import (
 
28
    DotsProgressBar,
 
29
    ProgressBarStack,
 
30
    TTYProgressBar,
 
31
    )
 
32
from bzrlib.tests import (
 
33
    TestCase,
 
34
    TestUIFactory,
 
35
    StringIOWrapper,
 
36
    )
 
37
from bzrlib.tests.test_progress import _TTYStringIO
 
38
from bzrlib.ui import (
 
39
    CLIUIFactory,
 
40
    SilentUIFactory,
 
41
    )
 
42
from bzrlib.ui.text import TextUIFactory
 
43
 
 
44
 
 
45
class UITests(TestCase):
 
46
 
 
47
    def test_silent_factory(self):
 
48
        ui = SilentUIFactory()
 
49
        stdout = StringIO()
 
50
        self.assertEqual(None,
 
51
                         self.apply_redirected(None, stdout, stdout,
 
52
                                               ui.get_password))
 
53
        self.assertEqual('', stdout.getvalue())
 
54
        self.assertEqual(None,
 
55
                         self.apply_redirected(None, stdout, stdout,
 
56
                                               ui.get_password,
 
57
                                               u'Hello\u1234 %(user)s',
 
58
                                               user=u'some\u1234'))
 
59
        self.assertEqual('', stdout.getvalue())
37
60
 
38
61
    def test_text_factory_ascii_password(self):
39
 
        ui = tests.TestUIFactory(stdin='secret\n',
40
 
                                 stdout=tests.StringIOWrapper(),
41
 
                                 stderr=tests.StringIOWrapper())
 
62
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
42
63
        pb = ui.nested_progress_bar()
43
64
        try:
44
65
            self.assertEqual('secret',
45
66
                             self.apply_redirected(ui.stdin, ui.stdout,
46
 
                                                   ui.stderr,
 
67
                                                   ui.stdout,
47
68
                                                   ui.get_password))
48
69
            # ': ' is appended to prompt
49
 
            self.assertEqual(': ', ui.stderr.getvalue())
50
 
            self.assertEqual('', ui.stdout.readline())
 
70
            self.assertEqual(': ', ui.stdout.getvalue())
51
71
            # stdin should be empty
52
72
            self.assertEqual('', ui.stdin.readline())
53
73
        finally:
59
79
        We can't predict what encoding users will have for stdin, so we force
60
80
        it to utf8 to test that we transport the password correctly.
61
81
        """
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'
 
82
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
 
83
                           stdout=StringIOWrapper())
 
84
        ui.stdin.encoding = 'utf8'
 
85
        ui.stdout.encoding = ui.stdin.encoding
66
86
        pb = ui.nested_progress_bar()
67
87
        try:
68
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
88
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
69
89
                                             ui.get_password,
70
90
                                             u'Hello \u1234 %(user)s',
71
91
                                             user=u'some\u1234')
72
92
            # We use StringIO objects, we need to decode them
73
93
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
74
94
            self.assertEqual(u'Hello \u1234 some\u1234: ',
75
 
                             ui.stderr.getvalue().decode('utf8'))
76
 
            # stdin and stdout should be empty
 
95
                             ui.stdout.getvalue().decode('utf8'))
 
96
            # stdin should be empty
77
97
            self.assertEqual('', ui.stdin.readline())
78
 
            self.assertEqual('', ui.stdout.readline())
79
98
        finally:
80
99
            pb.finished()
81
100
 
82
101
    def test_progress_note(self):
83
 
        stderr = tests.StringIOWrapper()
84
 
        stdout = tests.StringIOWrapper()
85
 
        ui_factory = _mod_ui_text.TextUIFactory(stdin=tests.StringIOWrapper(''),
86
 
                                                stderr=stderr,
87
 
                                                stdout=stdout)
 
102
        stderr = StringIO()
 
103
        stdout = StringIO()
 
104
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
88
105
        pb = ui_factory.nested_progress_bar()
89
106
        try:
90
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
91
 
                pb.note,
92
 
                't')
 
107
            pb.to_messages_file = stdout
 
108
            ui_factory._progress_bar_stack.bottom().to_file = stderr
 
109
            result = pb.note('t')
93
110
            self.assertEqual(None, result)
94
111
            self.assertEqual("t\n", stdout.getvalue())
95
112
            # Since there was no update() call, there should be no clear() call
100
117
            pb.finished()
101
118
 
102
119
    def test_progress_note_clears(self):
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(''),
109
 
            stdout=stdout, stderr=stderr)
110
 
        self.assertIsInstance(ui_factory._progress_view,
111
 
                              _mod_ui_text.TextProgressView)
 
120
        stderr = StringIO()
 
121
        stdout = StringIO()
 
122
        # The PQM redirects the output to a file, so it
 
123
        # defaults to creating a Dots progress bar. we
 
124
        # need to force it to believe we are a TTY
 
125
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
112
126
        pb = ui_factory.nested_progress_bar()
113
127
        try:
 
128
            pb.to_messages_file = stdout
 
129
            ui_factory._progress_bar_stack.bottom().to_file = stderr
114
130
            # Create a progress update that isn't throttled
 
131
            pb.start_time -= 10
115
132
            pb.update('x', 1, 1)
116
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
117
 
                pb.note, 't')
 
133
            result = pb.note('t')
118
134
            self.assertEqual(None, result)
119
135
            self.assertEqual("t\n", stdout.getvalue())
120
136
            # the exact contents will depend on the terminal width and we don't
124
140
        finally:
125
141
            pb.finished()
126
142
 
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(""))
 
143
    def test_progress_nested(self):
 
144
        # test factory based nested and popping.
 
145
        ui = TextUIFactory()
 
146
        pb1 = ui.nested_progress_bar()
 
147
        pb2 = ui.nested_progress_bar()
 
148
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
149
        pb2.finished()
 
150
        pb1.finished()
 
151
 
 
152
    def test_progress_stack(self):
 
153
        # test the progress bar stack which the default text factory 
 
154
        # uses.
 
155
        stderr = StringIO()
 
156
        stdout = StringIO()
 
157
        # make a stack, which accepts parameters like a pb.
 
158
        stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
 
159
        # but is not one
 
160
        self.assertFalse(getattr(stack, 'note', False))
 
161
        pb1 = stack.get_nested()
 
162
        pb2 = stack.get_nested()
 
163
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
164
        pb2.finished()
 
165
        pb1.finished()
 
166
        # the text ui factory never actually removes the stack once its setup.
 
167
        # we need to be able to nest again correctly from here.
 
168
        pb1 = stack.get_nested()
 
169
        pb2 = stack.get_nested()
 
170
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
171
        pb2.finished()
 
172
        pb1.finished()
 
173
 
 
174
    def test_text_factory_setting_progress_bar(self):
 
175
        # we should be able to choose the progress bar type used.
 
176
        factory = TextUIFactory(bar_type=DotsProgressBar)
 
177
        bar = factory.nested_progress_bar()
 
178
        bar.finished()
 
179
        self.assertIsInstance(bar, DotsProgressBar)
 
180
 
 
181
    def test_cli_stdin_is_default_stdin(self):
 
182
        factory = CLIUIFactory()
 
183
        self.assertEqual(sys.stdin, factory.stdin)
 
184
 
 
185
    def assert_get_bool_acceptance_of_user_input(self, factory):
 
186
        factory.stdin = StringIO("y\nyes with garbage\n"
 
187
                                 "yes\nn\nnot an answer\n"
 
188
                                 "no\nfoo\n")
 
189
        factory.stdout = StringIO()
 
190
        # there is no output from the base factory
 
191
        self.assertEqual(True, factory.get_boolean(""))
 
192
        self.assertEqual(True, factory.get_boolean(""))
 
193
        self.assertEqual(False, factory.get_boolean(""))
143
194
        self.assertEqual(False, factory.get_boolean(""))
144
195
        self.assertEqual("foo\n", factory.stdin.read())
145
196
        # stdin should be empty
146
197
        self.assertEqual('', factory.stdin.readline())
147
198
 
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())
 
199
    def test_silent_ui_getbool(self):
 
200
        factory = SilentUIFactory()
 
201
        self.assert_get_bool_acceptance_of_user_input(factory)
 
202
 
 
203
    def test_silent_factory_prompts_silently(self):
 
204
        factory = SilentUIFactory()
 
205
        stdout = StringIO()
 
206
        factory.stdin = StringIO("y\n")
 
207
        self.assertEqual(True,
 
208
                         self.apply_redirected(None, stdout, stdout,
 
209
                                               factory.get_boolean, "foo"))
 
210
        self.assertEqual("", stdout.getvalue())
 
211
        # stdin should be empty
 
212
        self.assertEqual('', factory.stdin.readline())
 
213
 
 
214
    def test_text_ui_getbool(self):
 
215
        factory = TextUIFactory()
 
216
        self.assert_get_bool_acceptance_of_user_input(factory)
167
217
 
168
218
    def test_text_factory_prompts_and_clears(self):
169
219
        # a get_boolean call should clear the pb before prompting
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)
175
 
        pb = factory.nested_progress_bar()
176
 
        pb.show_bar = False
177
 
        pb.show_spinner = False
178
 
        pb.show_count = False
179
 
        pb.update("foo", 0, 1)
 
220
        factory = TextUIFactory(bar_type=DotsProgressBar)
 
221
        factory.stdout = _TTYStringIO()
 
222
        factory.stdin = StringIO("yada\ny\n")
 
223
        pb = self.apply_redirected(factory.stdin, factory.stdout,
 
224
                                   factory.stdout, factory.nested_progress_bar)
 
225
        pb.start_time = None
 
226
        self.apply_redirected(factory.stdin, factory.stdout,
 
227
                              factory.stdout, pb.update, "foo", 0, 1)
180
228
        self.assertEqual(True,
181
229
                         self.apply_redirected(None, factory.stdout,
182
230
                                               factory.stdout,
183
231
                                               factory.get_boolean,
184
232
                                               "what do you want"))
185
 
        output = out.getvalue()
186
 
        self.assertContainsRe(factory.stdout.getvalue(),
187
 
            "foo *\r\r  *\r*")
188
 
        self.assertContainsRe(factory.stdout.getvalue(),
189
 
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
190
 
        # stdin should have been totally consumed
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"))
 
233
        output = factory.stdout.getvalue()
 
234
        self.assertEqual("foo: .\n"
 
235
                         "what do you want? [y/n]: what do you want? [y/n]: ",
 
236
                         factory.stdout.getvalue())
217
237
        # stdin should be empty
218
238
        self.assertEqual('', factory.stdin.readline())
219
239
 
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)