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
|
"""Unit tests for idlelib.AutoExpand"""
import unittest
from test.support import requires
from tkinter import Text, Tk
#from idlelib.idle_test.mock_tk import Text
from idlelib.AutoExpand import AutoExpand
class Dummy_Editwin:
# AutoExpand.__init__ only needs .text
def __init__(self, text):
self.text = text
class AutoExpandTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
if 'tkinter' in str(Text):
requires('gui')
cls.tk = Tk()
cls.text = Text(cls.tk)
else:
cls.text = Text()
cls.auto_expand = AutoExpand(Dummy_Editwin(cls.text))
@classmethod
def tearDownClass(cls):
if hasattr(cls, 'tk'):
cls.tk.destroy()
del cls.tk
del cls.text, cls.auto_expand
def tearDown(self):
self.text.delete('1.0', 'end')
def test_get_prevword(self):
text = self.text
previous = self.auto_expand.getprevword
equal = self.assertEqual
equal(previous(), '')
text.insert('insert', 't')
equal(previous(), 't')
text.insert('insert', 'his')
equal(previous(), 'this')
text.insert('insert', ' ')
equal(previous(), '')
text.insert('insert', 'is')
equal(previous(), 'is')
text.insert('insert', '\nsample\nstring')
equal(previous(), 'string')
text.delete('3.0', 'insert')
equal(previous(), '')
text.delete('1.0', 'end')
equal(previous(), '')
def test_before_only(self):
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
self.text.insert('insert', 'ab ac bx ad ab a')
equal(self.auto_expand.getwords(), ['ab', 'ad', 'ac', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ad')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'a')
def test_after_only(self):
# Also add punctuation 'noise' that should be ignored.
text = self.text
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
text.insert('insert', 'a, [ab] ac: () bx"" cd ac= ad ya')
text.mark_set('insert', '1.1')
equal(self.auto_expand.getwords(), ['ab', 'ac', 'ad', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'ad')
expand('event')
equal(previous(), 'a')
def test_both_before_after(self):
text = self.text
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
text.insert('insert', 'ab xy yz\n')
text.insert('insert', 'a ac by ac')
text.mark_set('insert', '2.1')
equal(self.auto_expand.getwords(), ['ab', 'ac', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'a')
def test_other_expand_cases(self):
text = self.text
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
# no expansion candidate found
equal(self.auto_expand.getwords(), [])
equal(expand('event'), 'break')
text.insert('insert', 'bx cy dz a')
equal(self.auto_expand.getwords(), [])
# reset state by successfully expanding once
# move cursor to another position and expand again
text.insert('insert', 'ac xy a ac ad a')
text.mark_set('insert', '1.7')
expand('event')
initial_state = self.auto_expand.state
text.mark_set('insert', '1.end')
expand('event')
new_state = self.auto_expand.state
self.assertNotEqual(initial_state, new_state)
if __name__ == '__main__':
unittest.main(verbosity=2)
|