File size: 16,082 Bytes
72268ee |
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 |
"Test codecontext, coverage 100%"
from idlelib import codecontext
import unittest
import unittest.mock
from test.support import requires
from tkinter import NSEW, Tk, Frame, Text, TclError
from unittest import mock
import re
from idlelib import config
usercfg = codecontext.idleConf.userCfg
testcfg = {
'main': config.IdleUserConfParser(''),
'highlight': config.IdleUserConfParser(''),
'keys': config.IdleUserConfParser(''),
'extensions': config.IdleUserConfParser(''),
}
code_sample = """\
class C1:
# Class comment.
def __init__(self, a, b):
self.a = a
self.b = b
def compare(self):
if a > b:
return a
elif a < b:
return b
else:
return None
"""
class DummyEditwin:
def __init__(self, root, frame, text):
self.root = root
self.top = root
self.text_frame = frame
self.text = text
self.label = ''
def getlineno(self, index):
return int(float(self.text.index(index)))
def update_menu_label(self, **kwargs):
self.label = kwargs['label']
class CodeContextTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
root = cls.root = Tk()
root.withdraw()
frame = cls.frame = Frame(root)
text = cls.text = Text(frame)
text.insert('1.0', code_sample)
# Need to pack for creation of code context text widget.
frame.pack(side='left', fill='both', expand=1)
text.grid(row=1, column=1, sticky=NSEW)
cls.editor = DummyEditwin(root, frame, text)
codecontext.idleConf.userCfg = testcfg
@classmethod
def tearDownClass(cls):
codecontext.idleConf.userCfg = usercfg
cls.editor.text.delete('1.0', 'end')
del cls.editor, cls.frame, cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.text.yview(0)
self.text['font'] = 'TkFixedFont'
self.cc = codecontext.CodeContext(self.editor)
self.highlight_cfg = {"background": '#abcdef',
"foreground": '#123456'}
orig_idleConf_GetHighlight = codecontext.idleConf.GetHighlight
def mock_idleconf_GetHighlight(theme, element):
if element == 'context':
return self.highlight_cfg
return orig_idleConf_GetHighlight(theme, element)
GetHighlight_patcher = unittest.mock.patch.object(
codecontext.idleConf, 'GetHighlight', mock_idleconf_GetHighlight)
GetHighlight_patcher.start()
self.addCleanup(GetHighlight_patcher.stop)
self.font_override = 'TkFixedFont'
def mock_idleconf_GetFont(root, configType, section):
return self.font_override
GetFont_patcher = unittest.mock.patch.object(
codecontext.idleConf, 'GetFont', mock_idleconf_GetFont)
GetFont_patcher.start()
self.addCleanup(GetFont_patcher.stop)
def tearDown(self):
if self.cc.context:
self.cc.context.destroy()
# Explicitly call __del__ to remove scheduled scripts.
self.cc.__del__()
del self.cc.context, self.cc
def test_init(self):
eq = self.assertEqual
ed = self.editor
cc = self.cc
eq(cc.editwin, ed)
eq(cc.text, ed.text)
eq(cc.text['font'], ed.text['font'])
self.assertIsNone(cc.context)
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 1)
self.assertIsNone(self.cc.t1)
def test_del(self):
self.cc.__del__()
def test_del_with_timer(self):
timer = self.cc.t1 = self.text.after(10000, lambda: None)
self.cc.__del__()
with self.assertRaises(TclError) as cm:
self.root.tk.call('after', 'info', timer)
self.assertIn("doesn't exist", str(cm.exception))
def test_reload(self):
codecontext.CodeContext.reload()
self.assertEqual(self.cc.context_depth, 15)
def test_toggle_code_context_event(self):
eq = self.assertEqual
cc = self.cc
toggle = cc.toggle_code_context_event
# Make sure code context is off.
if cc.context:
toggle()
# Toggle on.
toggle()
self.assertIsNotNone(cc.context)
eq(cc.context['font'], self.text['font'])
eq(cc.context['fg'], self.highlight_cfg['foreground'])
eq(cc.context['bg'], self.highlight_cfg['background'])
eq(cc.context.get('1.0', 'end-1c'), '')
eq(cc.editwin.label, 'Hide Code Context')
eq(self.root.tk.call('after', 'info', self.cc.t1)[1], 'timer')
# Toggle off.
toggle()
self.assertIsNone(cc.context)
eq(cc.editwin.label, 'Show Code Context')
self.assertIsNone(self.cc.t1)
# Scroll down and toggle back on.
line11_context = '\n'.join(x[2] for x in cc.get_context(11)[0])
cc.text.yview(11)
toggle()
eq(cc.context.get('1.0', 'end-1c'), line11_context)
# Toggle off and on again.
toggle()
toggle()
eq(cc.context.get('1.0', 'end-1c'), line11_context)
def test_get_context(self):
eq = self.assertEqual
gc = self.cc.get_context
# stopline must be greater than 0.
with self.assertRaises(AssertionError):
gc(1, stopline=0)
eq(gc(3), ([(2, 0, 'class C1:', 'class')], 0))
# Don't return comment.
eq(gc(4), ([(2, 0, 'class C1:', 'class')], 0))
# Two indentation levels and no comment.
eq(gc(5), ([(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')], 0))
# Only one 'def' is returned, not both at the same indent level.
eq(gc(10), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if')], 0))
# With 'elif', also show the 'if' even though it's at the same level.
eq(gc(11), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 0))
# Set stop_line to not go back to first line in source code.
# Return includes stop_line.
eq(gc(11, stopline=2), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 0))
eq(gc(11, stopline=3), ([(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 4))
eq(gc(11, stopline=8), ([(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 8))
# Set stop_indent to test indent level to stop at.
eq(gc(11, stopindent=4), ([(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 4))
# Check that the 'if' is included.
eq(gc(11, stopindent=8), ([(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 8))
def test_update_code_context(self):
eq = self.assertEqual
cc = self.cc
# Ensure code context is active.
if not cc.context:
cc.toggle_code_context_event()
# Invoke update_code_context without scrolling - nothing happens.
self.assertIsNone(cc.update_code_context())
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 1)
# Scroll down to line 1.
cc.text.yview(1)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 2)
eq(cc.context.get('1.0', 'end-1c'), '')
# Scroll down to line 2.
cc.text.yview(2)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False), (2, 0, 'class C1:', 'class')])
eq(cc.topvisible, 3)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:')
# Scroll down to line 3. Since it's a comment, nothing changes.
cc.text.yview(3)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False), (2, 0, 'class C1:', 'class')])
eq(cc.topvisible, 4)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:')
# Scroll down to line 4.
cc.text.yview(4)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')])
eq(cc.topvisible, 5)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def __init__(self, a, b):')
# Scroll down to line 11. Last 'def' is removed.
cc.text.yview(11)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')])
eq(cc.topvisible, 12)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def compare(self):\n'
' if a > b:\n'
' elif a < b:')
# No scroll. No update, even though context_depth changed.
cc.update_code_context()
cc.context_depth = 1
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')])
eq(cc.topvisible, 12)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def compare(self):\n'
' if a > b:\n'
' elif a < b:')
# Scroll up.
cc.text.yview(5)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')])
eq(cc.topvisible, 6)
# context_depth is 1.
eq(cc.context.get('1.0', 'end-1c'), ' def __init__(self, a, b):')
def test_jumptoline(self):
eq = self.assertEqual
cc = self.cc
jump = cc.jumptoline
if not cc.context:
cc.toggle_code_context_event()
# Empty context.
cc.text.yview('2.0')
cc.update_code_context()
eq(cc.topvisible, 2)
cc.context.mark_set('insert', '1.5')
jump()
eq(cc.topvisible, 1)
# 4 lines of context showing.
cc.text.yview('12.0')
cc.update_code_context()
eq(cc.topvisible, 12)
cc.context.mark_set('insert', '3.0')
jump()
eq(cc.topvisible, 8)
# More context lines than limit.
cc.context_depth = 2
cc.text.yview('12.0')
cc.update_code_context()
eq(cc.topvisible, 12)
cc.context.mark_set('insert', '1.0')
jump()
eq(cc.topvisible, 8)
# Context selection stops jump.
cc.text.yview('5.0')
cc.update_code_context()
cc.context.tag_add('sel', '1.0', '2.0')
cc.context.mark_set('insert', '1.0')
jump() # Without selection, to line 2.
eq(cc.topvisible, 5)
@mock.patch.object(codecontext.CodeContext, 'update_code_context')
def test_timer_event(self, mock_update):
# Ensure code context is not active.
if self.cc.context:
self.cc.toggle_code_context_event()
self.cc.timer_event()
mock_update.assert_not_called()
# Activate code context.
self.cc.toggle_code_context_event()
self.cc.timer_event()
mock_update.assert_called()
def test_font(self):
eq = self.assertEqual
cc = self.cc
orig_font = cc.text['font']
test_font = 'TkTextFont'
self.assertNotEqual(orig_font, test_font)
# Ensure code context is not active.
if cc.context is not None:
cc.toggle_code_context_event()
self.font_override = test_font
# Nothing breaks or changes with inactive code context.
cc.update_font()
# Activate code context, previous font change is immediately effective.
cc.toggle_code_context_event()
eq(cc.context['font'], test_font)
# Call the font update, change is picked up.
self.font_override = orig_font
cc.update_font()
eq(cc.context['font'], orig_font)
def test_highlight_colors(self):
eq = self.assertEqual
cc = self.cc
orig_colors = dict(self.highlight_cfg)
test_colors = {'background': '#222222', 'foreground': '#ffff00'}
def assert_colors_are_equal(colors):
eq(cc.context['background'], colors['background'])
eq(cc.context['foreground'], colors['foreground'])
# Ensure code context is not active.
if cc.context:
cc.toggle_code_context_event()
self.highlight_cfg = test_colors
# Nothing breaks with inactive code context.
cc.update_highlight_colors()
# Activate code context, previous colors change is immediately effective.
cc.toggle_code_context_event()
assert_colors_are_equal(test_colors)
# Call colors update with no change to the configured colors.
cc.update_highlight_colors()
assert_colors_are_equal(test_colors)
# Call the colors update with code context active, change is picked up.
self.highlight_cfg = orig_colors
cc.update_highlight_colors()
assert_colors_are_equal(orig_colors)
class HelperFunctionText(unittest.TestCase):
def test_get_spaces_firstword(self):
get = codecontext.get_spaces_firstword
test_lines = (
(' first word', (' ', 'first')),
('\tfirst word', ('\t', 'first')),
(' \u19D4\u19D2: ', (' ', '\u19D4\u19D2')),
('no spaces', ('', 'no')),
('', ('', '')),
('# TEST COMMENT', ('', '')),
(' (continuation)', (' ', ''))
)
for line, expected_output in test_lines:
self.assertEqual(get(line), expected_output)
# Send the pattern in the call.
self.assertEqual(get(' (continuation)',
c=re.compile(r'^(\s*)([^\s]*)')),
(' ', '(continuation)'))
def test_get_line_info(self):
eq = self.assertEqual
gli = codecontext.get_line_info
lines = code_sample.splitlines()
# Line 1 is not a BLOCKOPENER.
eq(gli(lines[0]), (codecontext.INFINITY, '', False))
# Line 2 is a BLOCKOPENER without an indent.
eq(gli(lines[1]), (0, 'class C1:', 'class'))
# Line 3 is not a BLOCKOPENER and does not return the indent level.
eq(gli(lines[2]), (codecontext.INFINITY, ' # Class comment.', False))
# Line 4 is a BLOCKOPENER and is indented.
eq(gli(lines[3]), (4, ' def __init__(self, a, b):', 'def'))
# Line 8 is a different BLOCKOPENER and is indented.
eq(gli(lines[7]), (8, ' if a > b:', 'if'))
# Test tab.
eq(gli('\tif a == b:'), (1, '\tif a == b:', 'if'))
if __name__ == '__main__':
unittest.main(verbosity=2)
|