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Refactored the export code to make it easier to add new export formats.

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1
 
# Copyright (C) 2005, 2008, 2009 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 bzrlib ui
18
 
"""
19
 
 
20
 
import os
21
 
from StringIO import StringIO
22
 
import re
23
 
import sys
24
 
import time
25
 
 
26
 
from bzrlib import (
27
 
    errors,
28
 
    tests,
29
 
    ui as _mod_ui,
30
 
    )
31
 
from bzrlib.symbol_versioning import (
32
 
    deprecated_in,
33
 
    )
34
 
from bzrlib.tests import (
35
 
    TestCase,
36
 
    TestUIFactory,
37
 
    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):
58
 
 
59
 
    def test_text_factory_ascii_password(self):
60
 
        ui = tests.TestUIFactory(stdin='secret\n',
61
 
                                 stdout=tests.StringIOWrapper(),
62
 
                                 stderr=tests.StringIOWrapper())
63
 
        pb = ui.nested_progress_bar()
64
 
        try:
65
 
            self.assertEqual('secret',
66
 
                             self.apply_redirected(ui.stdin, ui.stdout,
67
 
                                                   ui.stderr,
68
 
                                                   ui.get_password))
69
 
            # ': ' 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())
74
 
        finally:
75
 
            pb.finished()
76
 
 
77
 
    def test_text_factory_utf8_password(self):
78
 
        """Test an utf8 password.
79
 
 
80
 
        We can't predict what encoding users will have for stdin, so we force
81
 
        it to utf8 to test that we transport the password correctly.
82
 
        """
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'
87
 
        pb = ui.nested_progress_bar()
88
 
        try:
89
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
90
 
                                             ui.get_password,
91
 
                                             u'Hello \u1234 %(user)s',
92
 
                                             user=u'some\u1234')
93
 
            # We use StringIO objects, we need to decode them
94
 
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
95
 
            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())
100
 
        finally:
101
 
            pb.finished()
102
 
 
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
 
    def test_progress_note(self):
154
 
        stderr = StringIO()
155
 
        stdout = StringIO()
156
 
        ui_factory = TextUIFactory(stdin=StringIO(''),
157
 
            stderr=stderr,
158
 
            stdout=stdout)
159
 
        pb = ui_factory.nested_progress_bar()
160
 
        try:
161
 
            result = pb.note('t')
162
 
            self.assertEqual(None, result)
163
 
            self.assertEqual("t\n", stdout.getvalue())
164
 
            # 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,
167
 
                        'We cleared the stderr without anything to put there')
168
 
        finally:
169
 
            pb.finished()
170
 
 
171
 
    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)
181
 
        pb = ui_factory.nested_progress_bar()
182
 
        try:
183
 
            # Create a progress update that isn't throttled
184
 
            pb.update('x', 1, 1)
185
 
            result = pb.note('t')
186
 
            self.assertEqual(None, result)
187
 
            self.assertEqual("t\n", stdout.getvalue())
188
 
            # the exact contents will depend on the terminal width and we don't
189
 
            # care about that right now - but you're probably running it on at
190
 
            # least a 10-character wide terminal :)
191
 
            self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
192
 
        finally:
193
 
            pb.finished()
194
 
 
195
 
    def test_progress_nested(self):
196
 
        # test factory based nested and popping.
197
 
        ui = TextUIFactory(None, None, None)
198
 
        pb1 = ui.nested_progress_bar()
199
 
        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,))
206
 
        pb2.finished()
207
 
        pb1.finished()
208
 
 
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")
217
 
        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(""))
225
 
        self.assertEqual(False, factory.get_boolean(""))
226
 
        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())
236
 
 
237
 
    def test_text_factory_prompts_and_clears(self):
238
 
        # 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)