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
|
"""Test sidebar, coverage 93%"""
import idlelib.sidebar
from itertools import chain
import unittest
import unittest.mock
from test.support import requires
import tkinter as tk
from idlelib.delegator import Delegator
from idlelib.percolator import Percolator
class Dummy_editwin:
def __init__(self, text):
self.text = text
self.text_frame = self.text.master
self.per = Percolator(text)
self.undo = Delegator()
self.per.insertfilter(self.undo)
def setvar(self, name, value):
pass
def getlineno(self, index):
return int(float(self.text.index(index)))
class LineNumbersTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
cls.text_frame = tk.Frame(cls.root)
cls.text_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
cls.text_frame.rowconfigure(1, weight=1)
cls.text_frame.columnconfigure(1, weight=1)
cls.text = tk.Text(cls.text_frame, width=80, height=24, wrap=tk.NONE)
cls.text.grid(row=1, column=1, sticky=tk.NSEW)
cls.editwin = Dummy_editwin(cls.text)
cls.editwin.vbar = tk.Scrollbar(cls.text_frame)
@classmethod
def tearDownClass(cls):
cls.editwin.per.close()
cls.root.update()
cls.root.destroy()
del cls.text, cls.text_frame, cls.editwin, cls.root
def setUp(self):
self.linenumber = idlelib.sidebar.LineNumbers(self.editwin)
self.highlight_cfg = {"background": '#abcdef',
"foreground": '#123456'}
orig_idleConf_GetHighlight = idlelib.sidebar.idleConf.GetHighlight
def mock_idleconf_GetHighlight(theme, element):
if element == 'linenumber':
return self.highlight_cfg
return orig_idleConf_GetHighlight(theme, element)
GetHighlight_patcher = unittest.mock.patch.object(
idlelib.sidebar.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(
idlelib.sidebar.idleConf, 'GetFont', mock_idleconf_GetFont)
GetFont_patcher.start()
self.addCleanup(GetFont_patcher.stop)
def tearDown(self):
self.text.delete('1.0', 'end')
def get_selection(self):
return tuple(map(str, self.text.tag_ranges('sel')))
def get_line_screen_position(self, line):
bbox = self.linenumber.sidebar_text.bbox(f'{line}.end -1c')
x = bbox[0] + 2
y = bbox[1] + 2
return x, y
def assert_state_disabled(self):
state = self.linenumber.sidebar_text.config()['state']
self.assertEqual(state[-1], tk.DISABLED)
def get_sidebar_text_contents(self):
return self.linenumber.sidebar_text.get('1.0', tk.END)
def assert_sidebar_n_lines(self, n_lines):
expected = '\n'.join(chain(map(str, range(1, n_lines + 1)), ['']))
self.assertEqual(self.get_sidebar_text_contents(), expected)
def assert_text_equals(self, expected):
return self.assertEqual(self.text.get('1.0', 'end'), expected)
def test_init_empty(self):
self.assert_sidebar_n_lines(1)
def test_init_not_empty(self):
self.text.insert('insert', 'foo bar\n'*3)
self.assert_text_equals('foo bar\n'*3 + '\n')
self.assert_sidebar_n_lines(4)
def test_toggle_linenumbering(self):
self.assertEqual(self.linenumber.is_shown, False)
self.linenumber.show_sidebar()
self.assertEqual(self.linenumber.is_shown, True)
self.linenumber.hide_sidebar()
self.assertEqual(self.linenumber.is_shown, False)
self.linenumber.hide_sidebar()
self.assertEqual(self.linenumber.is_shown, False)
self.linenumber.show_sidebar()
self.assertEqual(self.linenumber.is_shown, True)
self.linenumber.show_sidebar()
self.assertEqual(self.linenumber.is_shown, True)
def test_insert(self):
self.text.insert('insert', 'foobar')
self.assert_text_equals('foobar\n')
self.assert_sidebar_n_lines(1)
self.assert_state_disabled()
self.text.insert('insert', '\nfoo')
self.assert_text_equals('foobar\nfoo\n')
self.assert_sidebar_n_lines(2)
self.assert_state_disabled()
self.text.insert('insert', 'hello\n'*2)
self.assert_text_equals('foobar\nfoohello\nhello\n\n')
self.assert_sidebar_n_lines(4)
self.assert_state_disabled()
self.text.insert('insert', '\nworld')
self.assert_text_equals('foobar\nfoohello\nhello\n\nworld\n')
self.assert_sidebar_n_lines(5)
self.assert_state_disabled()
def test_delete(self):
self.text.insert('insert', 'foobar')
self.assert_text_equals('foobar\n')
self.text.delete('1.1', '1.3')
self.assert_text_equals('fbar\n')
self.assert_sidebar_n_lines(1)
self.assert_state_disabled()
self.text.insert('insert', 'foo\n'*2)
self.assert_text_equals('fbarfoo\nfoo\n\n')
self.assert_sidebar_n_lines(3)
self.assert_state_disabled()
# Note: deleting up to "2.end" doesn't delete the final newline.
self.text.delete('2.0', '2.end')
self.assert_text_equals('fbarfoo\n\n\n')
self.assert_sidebar_n_lines(3)
self.assert_state_disabled()
self.text.delete('1.3', 'end')
self.assert_text_equals('fba\n')
self.assert_sidebar_n_lines(1)
self.assert_state_disabled()
# Note: Text widgets always keep a single '\n' character at the end.
self.text.delete('1.0', 'end')
self.assert_text_equals('\n')
self.assert_sidebar_n_lines(1)
self.assert_state_disabled()
def test_sidebar_text_width(self):
"""
Test that linenumber text widget is always at the minimum
width
"""
def get_width():
return self.linenumber.sidebar_text.config()['width'][-1]
self.assert_sidebar_n_lines(1)
self.assertEqual(get_width(), 1)
self.text.insert('insert', 'foo')
self.assert_sidebar_n_lines(1)
self.assertEqual(get_width(), 1)
self.text.insert('insert', 'foo\n'*8)
self.assert_sidebar_n_lines(9)
self.assertEqual(get_width(), 1)
self.text.insert('insert', 'foo\n')
self.assert_sidebar_n_lines(10)
self.assertEqual(get_width(), 2)
self.text.insert('insert', 'foo\n')
self.assert_sidebar_n_lines(11)
self.assertEqual(get_width(), 2)
self.text.delete('insert -1l linestart', 'insert linestart')
self.assert_sidebar_n_lines(10)
self.assertEqual(get_width(), 2)
self.text.delete('insert -1l linestart', 'insert linestart')
self.assert_sidebar_n_lines(9)
self.assertEqual(get_width(), 1)
self.text.insert('insert', 'foo\n'*90)
self.assert_sidebar_n_lines(99)
self.assertEqual(get_width(), 2)
self.text.insert('insert', 'foo\n')
self.assert_sidebar_n_lines(100)
self.assertEqual(get_width(), 3)
self.text.insert('insert', 'foo\n')
self.assert_sidebar_n_lines(101)
self.assertEqual(get_width(), 3)
self.text.delete('insert -1l linestart', 'insert linestart')
self.assert_sidebar_n_lines(100)
self.assertEqual(get_width(), 3)
self.text.delete('insert -1l linestart', 'insert linestart')
self.assert_sidebar_n_lines(99)
self.assertEqual(get_width(), 2)
self.text.delete('50.0 -1c', 'end -1c')
self.assert_sidebar_n_lines(49)
self.assertEqual(get_width(), 2)
self.text.delete('5.0 -1c', 'end -1c')
self.assert_sidebar_n_lines(4)
self.assertEqual(get_width(), 1)
# Note: Text widgets always keep a single '\n' character at the end.
self.text.delete('1.0', 'end -1c')
self.assert_sidebar_n_lines(1)
self.assertEqual(get_width(), 1)
def test_click_selection(self):
self.linenumber.show_sidebar()
self.text.insert('1.0', 'one\ntwo\nthree\nfour\n')
self.root.update()
# Click on the second line.
x, y = self.get_line_screen_position(2)
self.linenumber.sidebar_text.event_generate('<Button-1>', x=x, y=y)
self.linenumber.sidebar_text.update()
self.root.update()
self.assertEqual(self.get_selection(), ('2.0', '3.0'))
def simulate_drag(self, start_line, end_line):
start_x, start_y = self.get_line_screen_position(start_line)
end_x, end_y = self.get_line_screen_position(end_line)
self.linenumber.sidebar_text.event_generate('<Button-1>',
x=start_x, y=start_y)
self.root.update()
def lerp(a, b, steps):
"""linearly interpolate from a to b (inclusive) in equal steps"""
last_step = steps - 1
for i in range(steps):
yield ((last_step - i) / last_step) * a + (i / last_step) * b
for x, y in zip(
map(int, lerp(start_x, end_x, steps=11)),
map(int, lerp(start_y, end_y, steps=11)),
):
self.linenumber.sidebar_text.event_generate('<B1-Motion>', x=x, y=y)
self.root.update()
self.linenumber.sidebar_text.event_generate('<ButtonRelease-1>',
x=end_x, y=end_y)
self.root.update()
def test_drag_selection_down(self):
self.linenumber.show_sidebar()
self.text.insert('1.0', 'one\ntwo\nthree\nfour\nfive\n')
self.root.update()
# Drag from the second line to the fourth line.
self.simulate_drag(2, 4)
self.assertEqual(self.get_selection(), ('2.0', '5.0'))
def test_drag_selection_up(self):
self.linenumber.show_sidebar()
self.text.insert('1.0', 'one\ntwo\nthree\nfour\nfive\n')
self.root.update()
# Drag from the fourth line to the second line.
self.simulate_drag(4, 2)
self.assertEqual(self.get_selection(), ('2.0', '5.0'))
def test_scroll(self):
self.linenumber.show_sidebar()
self.text.insert('1.0', 'line\n' * 100)
self.root.update()
# Scroll down 10 lines.
self.text.yview_scroll(10, 'unit')
self.root.update()
self.assertEqual(self.text.index('@0,0'), '11.0')
self.assertEqual(self.linenumber.sidebar_text.index('@0,0'), '11.0')
# Generate a mouse-wheel event and make sure it scrolled up or down.
# The meaning of the "delta" is OS-dependant, so this just checks for
# any change.
self.linenumber.sidebar_text.event_generate('<MouseWheel>',
x=0, y=0,
delta=10)
self.root.update()
self.assertNotEqual(self.text.index('@0,0'), '11.0')
self.assertNotEqual(self.linenumber.sidebar_text.index('@0,0'), '11.0')
def test_font(self):
ln = self.linenumber
orig_font = ln.sidebar_text['font']
test_font = 'TkTextFont'
self.assertNotEqual(orig_font, test_font)
# Ensure line numbers aren't shown.
ln.hide_sidebar()
self.font_override = test_font
# Nothing breaks when line numbers aren't shown.
ln.update_font()
# Activate line numbers, previous font change is immediately effective.
ln.show_sidebar()
self.assertEqual(ln.sidebar_text['font'], test_font)
# Call the font update with line numbers shown, change is picked up.
self.font_override = orig_font
ln.update_font()
self.assertEqual(ln.sidebar_text['font'], orig_font)
def test_highlight_colors(self):
ln = self.linenumber
orig_colors = dict(self.highlight_cfg)
test_colors = {'background': '#222222', 'foreground': '#ffff00'}
def assert_colors_are_equal(colors):
self.assertEqual(ln.sidebar_text['background'], colors['background'])
self.assertEqual(ln.sidebar_text['foreground'], colors['foreground'])
# Ensure line numbers aren't shown.
ln.hide_sidebar()
self.highlight_cfg = test_colors
# Nothing breaks with inactive code context.
ln.update_colors()
# Show line numbers, previous colors change is immediately effective.
ln.show_sidebar()
assert_colors_are_equal(test_colors)
# Call colors update with no change to the configured colors.
ln.update_colors()
assert_colors_are_equal(test_colors)
# Call the colors update with line numbers shown, change is picked up.
self.highlight_cfg = orig_colors
ln.update_colors()
assert_colors_are_equal(orig_colors)
if __name__ == '__main__':
unittest.main(verbosity=2)
|
