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GeezerVison is showing github.com — bpython/bpython/test/test_curtsies_repl.py at master · SivanSong/bpython Expand file tree/ Copy pathtest_curtsies_repl.pyMore file actions 456 lines (375 loc) · 17.1 KB / Copy pathtest_curtsies_repl.pyFile metadata and controls456 lines (375 loc) · 17.1 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 # 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, unittest, TEST_CONFIG) from curtsies import events 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, TEST_CONFIG) 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.assertEqual(curtsiesrepl._last_word(''), '') self.assertEqual(curtsiesrepl._last_word(' '), '') self.assertEqual(curtsiesrepl._last_word('a'), 'a') self.assertEqual(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.BaseRepl(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 self.sys_path = sys.path sys.path = self.sys_path[:] # Because these tests create Python source files at runtime, # it's possible in Python >=3.3 for the importlib.machinery.FileFinder # for a directory to have an outdated cache when # * a module in that directory is imported, # * then a new module is created in that directory, # * then that new module is imported. # Automatic cache invalidation is based on the second-resolution mtime # of the directory, so we need to manually call invalidate_caches(). # # 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 sys.path = self.sys_path 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): print(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): print(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) class TestCurtsiesPasteEvents(TestCase): def setUp(self): self.repl = create_repl() def test_control_events_in_small_paste(self): self.assertGreaterEqual(curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE, 6, 'test assumes UI lag could cause 6 events') p = events.PasteEvent() p.events = ['a', 'b', 'c', 'd', '<Ctrl-a>', 'e'] self.repl.process_event(p) self.assertEqual(self.repl.current_line, 'eabcd') def test_control_events_in_large_paste(self): """Large paste events should ignore control characters""" p = events.PasteEvent() p.events = (['a', '<Ctrl-a>'] + ['e'] * curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE) self.repl.process_event(p) self.assertEqual(self.repl.current_line, 'a' + 'e'*curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE) if __name__ == '__main__': unittest.main() |
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