Repository navigation
Expand file tree
/
Copy pathtest_curtsies_repl.py
More file actions
426 lines (351 loc) · 16 KB
/
Copy pathtest_curtsies_repl.py
File metadata and controls
426 lines (351 loc) · 16 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
# coding: utf-8
from __future__ import unicode_literals
import code
import os
import sys
import tempfile
import io
from functools import partial
from contextlib import contextmanager
from six.moves import StringIO
from bpython.curtsiesfrontend import repl as curtsiesrepl
from bpython.curtsiesfrontend import interpreter
from bpython.curtsiesfrontend import events as bpythonevents
from bpython import autocomplete
from bpython import config
from bpython import args
from bpython._py3compat import py3
from bpython.test import (FixLanguageTestCase as TestCase, MagicIterMock, mock,
builtin_target, unittest)
if py3:
from importlib import invalidate_caches
else:
def invalidate_caches():
"""Does not exist before Python 3.3"""
def setup_config(conf):
config_struct = config.Struct()
config.loadini(config_struct, os.devnull)
for key, value in conf.items():
if not hasattr(config_struct, key):
raise ValueError("%r is not a valid config attribute" % (key, ))
setattr(config_struct, key, value)
return config_struct
class TestCurtsiesRepl(TestCase):
def setUp(self):
self.repl = create_repl()
def cfwp(self, source):
return interpreter.code_finished_will_parse(source,
self.repl.interp.compile)
def test_code_finished_will_parse(self):
self.repl.buffer = ['1 + 1']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (True, True))
self.repl.buffer = ['def foo(x):']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (False, True))
self.repl.buffer = ['def foo(x)']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (True, False))
self.repl.buffer = ['def foo(x):', 'return 1']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (True, False))
self.repl.buffer = ['def foo(x):', ' return 1']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (True, True))
self.repl.buffer = ['def foo(x):', ' return 1', '']
self.assertTrue(self.cfwp('\n'.join(self.repl.buffer)), (True, True))
def test_external_communication(self):
self.repl.send_current_block_to_external_editor()
self.repl.send_session_to_external_editor()
@unittest.skipUnless(all(map(config.can_encode, 'å∂߃')),
'Charset can not encode characters')
def test_external_communication_encoding(self):
with captured_output():
self.repl.display_lines.append('>>> "åß∂ƒ"')
self.repl.send_session_to_external_editor()
def test_get_last_word(self):
self.repl.rl_history.entries = ['1', '2 3', '4 5 6']
self.repl._set_current_line('abcde')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line, 'abcde6')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line, 'abcde3')
def test_last_word(self):
self.assertEquals(curtsiesrepl._last_word(''), '')
self.assertEquals(curtsiesrepl._last_word(' '), '')
self.assertEquals(curtsiesrepl._last_word('a'), 'a')
self.assertEquals(curtsiesrepl._last_word('a b'), 'b')
# this is the behavior of bash - not currently implemented
@unittest.skip
def test_get_last_word_with_prev_line(self):
self.repl.rl_history.entries = ['1', '2 3', '4 5 6']
self.repl._set_current_line('abcde')
self.repl.up_one_line()
self.assertEqual(self.repl.current_line, '4 5 6')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line, '4 5 63')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line, '4 5 64')
self.repl.up_one_line()
self.assertEqual(self.repl.current_line, '2 3')
def mock_next(obj, return_value):
if py3:
obj.__next__.return_value = return_value
else:
obj.next.return_value = return_value
class TestCurtsiesReplTab(TestCase):
def setUp(self):
self.repl = create_repl()
self.repl.matches_iter = MagicIterMock()
def add_matches(*args, **kwargs):
self.repl.matches_iter.matches = ['aaa', 'aab', 'aac']
self.repl.complete = mock.Mock(side_effect=add_matches,
return_value=True)
def test_tab_with_no_matches_triggers_completion(self):
self.repl._current_line = ' asdf'
self.repl._cursor_offset = 5
self.repl.matches_iter.matches = []
self.repl.matches_iter.is_cseq.return_value = False
self.repl.matches_iter.cur_line.return_value = (None, None)
self.repl.on_tab()
self.repl.complete.assert_called_once_with(tab=True)
def test_tab_after_indentation_adds_space(self):
self.repl._current_line = ' '
self.repl._cursor_offset = 4
self.repl.on_tab()
self.assertEqual(self.repl._current_line, ' ')
self.assertEqual(self.repl._cursor_offset, 8)
def test_tab_at_beginning_of_line_adds_space(self):
self.repl._current_line = ''
self.repl._cursor_offset = 0
self.repl.on_tab()
self.assertEqual(self.repl._current_line, ' ')
self.assertEqual(self.repl._cursor_offset, 4)
def test_tab_with_no_matches_selects_first(self):
self.repl._current_line = ' aa'
self.repl._cursor_offset = 3
self.repl.matches_iter.matches = []
self.repl.matches_iter.is_cseq.return_value = False
mock_next(self.repl.matches_iter, None)
self.repl.matches_iter.cur_line.return_value = (None, None)
self.repl.on_tab()
self.repl.complete.assert_called_once_with(tab=True)
self.repl.matches_iter.cur_line.assert_called_once_with()
def test_tab_with_matches_selects_next_match(self):
self.repl._current_line = ' aa'
self.repl._cursor_offset = 3
self.repl.complete()
self.repl.matches_iter.is_cseq.return_value = False
mock_next(self.repl.matches_iter, None)
self.repl.matches_iter.cur_line.return_value = (None, None)
self.repl.on_tab()
self.repl.matches_iter.cur_line.assert_called_once_with()
def test_tab_completes_common_sequence(self):
self.repl._current_line = ' a'
self.repl._cursor_offset = 2
self.repl.matches_iter.matches = ['aaa', 'aab', 'aac']
self.repl.matches_iter.is_cseq.return_value = True
self.repl.matches_iter.substitute_cseq.return_value = (None, None)
self.repl.on_tab()
self.repl.matches_iter.substitute_cseq.assert_called_once_with()
class TestCurtsiesReplFilenameCompletion(TestCase):
def setUp(self):
self.repl = create_repl()
def test_list_win_visible_match_selected_on_tab_multiple_options(self):
self.repl._current_line = " './'"
self.repl._cursor_offset = 2
with mock.patch('bpython.autocomplete.get_completer') as m:
m.return_value = (['./abc', './abcd', './bcd'],
autocomplete.FilenameCompletion())
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible, False)
self.repl.on_tab()
self.assertEqual(self.repl.current_match, './abc')
self.assertEqual(self.repl.list_win_visible, True)
def test_list_win_not_visible_and_cseq_if_cseq(self):
self.repl._current_line = " './a'"
self.repl._cursor_offset = 5
with mock.patch('bpython.autocomplete.get_completer') as m:
m.return_value = (['./abcd', './abce'],
autocomplete.FilenameCompletion())
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible, False)
self.repl.on_tab()
self.assertEqual(self.repl._current_line, " './abc'")
self.assertEqual(self.repl.current_match, None)
self.assertEqual(self.repl.list_win_visible, False)
def test_list_win_not_visible_and_match_selected_if_one_option(self):
self.repl._current_line = " './a'"
self.repl._cursor_offset = 5
with mock.patch('bpython.autocomplete.get_completer') as m:
m.return_value = (['./abcd'], autocomplete.FilenameCompletion())
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible, False)
self.repl.on_tab()
self.assertEqual(self.repl._current_line, " './abcd'")
self.assertEqual(self.repl.current_match, None)
self.assertEqual(self.repl.list_win_visible, False)
# from http://stackoverflow.com/a/17981937/398212 - thanks @rkennedy
@contextmanager
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = new_out, new_err
yield sys.stdout, sys.stderr
finally:
sys.stdout, sys.stderr = old_out, old_err
def create_repl(**kwargs):
config = setup_config({'editor': 'true'})
repl = curtsiesrepl.Repl(config=config, **kwargs)
os.environ['PAGER'] = 'true'
os.environ.pop('PYTHONSTARTUP', None)
repl.width = 50
repl.height = 20
return repl
class TestFutureImports(TestCase):
def test_repl(self):
repl = create_repl()
with captured_output() as (out, err):
repl.push('from __future__ import division')
repl.push('1 / 2')
self.assertEqual(out.getvalue(), '0.5\n')
def test_interactive(self):
interp = code.InteractiveInterpreter(locals={})
with captured_output() as (out, err):
with tempfile.NamedTemporaryFile(mode='w', suffix='.py') as f:
f.write('from __future__ import division\n')
f.write('print(1/2)\n')
f.flush()
args.exec_code(interp, [f.name])
repl = create_repl(interp=interp)
repl.push('1 / 2')
self.assertEqual(out.getvalue(), '0.5\n0.5\n')
class TestPredictedIndent(TestCase):
def setUp(self):
self.repl = create_repl()
def test_simple(self):
self.assertEqual(self.repl.predicted_indent(''), 0)
self.assertEqual(self.repl.predicted_indent('class Foo:'), 4)
self.assertEqual(self.repl.predicted_indent('class Foo: pass'), 0)
self.assertEqual(self.repl.predicted_indent('def asdf():'), 4)
self.assertEqual(self.repl.predicted_indent('def asdf(): return 7'), 0)
@unittest.skip
def test_complex(self):
self.assertEqual(self.repl.predicted_indent('[a, '), 1)
self.assertEqual(self.repl.predicted_indent('reduce(asdfasdf, '), 7)
class TestCurtsiesReevaluate(TestCase):
def setUp(self):
self.repl = create_repl()
def test_variable_is_cleared(self):
self.repl._current_line = 'b = 10'
self.repl.on_enter()
self.assertIn('b', self.repl.interp.locals)
self.repl.undo()
self.assertNotIn('b', self.repl.interp.locals)
class TestCurtsiesReevaluateWithImport(TestCase):
def setUp(self):
self.repl = create_repl()
self.open = partial(io.open, mode='wt', encoding='utf-8')
self.dont_write_bytecode = sys.dont_write_bytecode
sys.dont_write_bytecode = True
# Because these tests create Python source files at runtime,
# it's possible for the importlib.machinery.FileFinder for
# a directory to have an outdated cache in the following situation:
# * a module in that directory is imported,
# * then a new module is created in that directory,
# * then that new module is imported.
#
# invalidate_cache() is used to prevent this.
#
# see https://docs.python.org/3/library/importlib.html
# sections #importlib.machinery.FileFinder and
# #importlib.invalidate_caches
invalidate_caches()
def tearDown(self):
sys.dont_write_bytecode = self.dont_write_bytecode
def push(self, line):
self.repl._current_line = line
self.repl.on_enter()
def head(self, path):
self.push('import sys')
self.push('sys.path.append("%s")' % (path))
@staticmethod
@contextmanager
def tempfile():
with tempfile.NamedTemporaryFile(suffix='.py') as temp:
path, name = os.path.split(temp.name)
yield temp.name, path, name.replace('.py', '')
def test_module_content_changed(self):
with self.tempfile() as (fullpath, path, modname):
with self.open(fullpath) as f:
f.write('a = 0\n')
self.head(path)
self.push('import %s' % (modname))
self.push('a = %s.a' % (modname))
self.assertIn('a', self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals['a'], 0)
with self.open(fullpath) as f:
f.write('a = 1\n')
self.repl.clear_modules_and_reevaluate()
self.assertIn('a', self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals['a'], 1)
def test_import_module_with_rewind(self):
with self.tempfile() as (fullpath, path, modname):
with self.open(fullpath) as f:
f.write('a = 0\n')
self.head(path)
self.push('import %s' % (modname))
self.assertIn(modname, self.repl.interp.locals)
self.repl.undo()
self.assertNotIn(modname, self.repl.interp.locals)
self.repl.clear_modules_and_reevaluate()
self.assertNotIn(modname, self.repl.interp.locals)
self.push('import %s' % (modname))
self.push('a = %s.a' % (modname))
self.assertIn('a', self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals['a'], 0)
with self.open(fullpath) as f:
f.write('a = 1\n')
self.repl.clear_modules_and_reevaluate()
self.assertIn('a', self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals['a'], 1)
class TestCurtsiesPagerText(TestCase):
def setUp(self):
self.repl = create_repl()
self.repl.pager = self.assert_pager_gets_unicode
def assert_pager_gets_unicode(self, text):
self.assertIsInstance(text, type(''))
def test_help(self):
self.repl.pager(self.repl.help_text())
@unittest.skipUnless(all(map(config.can_encode, 'å∂߃')),
'Charset can not encode characters')
def test_show_source_not_formatted(self):
self.repl.config.highlight_show_source = False
self.repl.get_source_of_current_name = lambda: 'source code å∂߃åß∂ƒ'
self.repl.show_source()
@unittest.skipUnless(all(map(config.can_encode, 'å∂߃')),
'Charset can not encode characters')
def test_show_source_formatted(self):
self.repl.config.highlight_show_source = True
self.repl.get_source_of_current_name = lambda: 'source code å∂߃åß∂ƒ'
self.repl.show_source()
class TestCurtsiesStartup(TestCase):
def setUp(self):
self.repl = create_repl()
def write_startup_file(self, fname, encoding):
with io.open(fname, mode='wt', encoding=encoding) as f:
f.write('# coding: ')
f.write(encoding)
f.write('\n')
f.write('from __future__ import unicode_literals\n')
f.write('a = "äöü"\n')
def test_startup_event_utf8(self):
with tempfile.NamedTemporaryFile() as temp:
self.write_startup_file(temp.name, 'utf-8')
with mock.patch.dict('os.environ', {'PYTHONSTARTUP': temp.name}):
self.repl.process_event(bpythonevents.RunStartupFileEvent())
self.assertIn('a', self.repl.interp.locals)
def test_startup_event_latin1(self):
with tempfile.NamedTemporaryFile() as temp:
self.write_startup_file(temp.name, 'latin-1')
with mock.patch.dict('os.environ', {'PYTHONSTARTUP': temp.name}):
self.repl.process_event(bpythonevents.RunStartupFileEvent())
self.assertIn('a', self.repl.interp.locals)
if __name__ == '__main__':
unittest.main()