summaryrefslogtreecommitdiffstats
path: root/Lib/idlelib/idle_test/test_replace.py
blob: 6c07389b29ad4558077353dd65eccb32c722dcba (plain)
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
"Test replace, coverage 78%."

from idlelib.replace import ReplaceDialog
import unittest
from test.support import requires
requires('gui')
from tkinter import Tk, Text

from unittest.mock import Mock
from idlelib.idle_test.mock_tk import Mbox
import idlelib.searchengine as se

orig_mbox = se.messagebox
showerror = Mbox.showerror


class ReplaceDialogTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        cls.root = Tk()
        cls.root.withdraw()
        se.messagebox = Mbox
        cls.engine = se.SearchEngine(cls.root)
        cls.dialog = ReplaceDialog(cls.root, cls.engine)
        cls.dialog.bell = lambda: None
        cls.dialog.ok = Mock()
        cls.text = Text(cls.root)
        cls.text.undo_block_start = Mock()
        cls.text.undo_block_stop = Mock()
        cls.dialog.text = cls.text

    @classmethod
    def tearDownClass(cls):
        se.messagebox = orig_mbox
        del cls.text, cls.dialog, cls.engine
        cls.root.destroy()
        del cls.root

    def setUp(self):
        self.text.insert('insert', 'This is a sample sTring')

    def tearDown(self):
        self.engine.patvar.set('')
        self.dialog.replvar.set('')
        self.engine.wordvar.set(False)
        self.engine.casevar.set(False)
        self.engine.revar.set(False)
        self.engine.wrapvar.set(True)
        self.engine.backvar.set(False)
        showerror.title = ''
        showerror.message = ''
        self.text.delete('1.0', 'end')

    def test_replace_simple(self):
        # Test replace function with all options at default setting.
        # Wrap around - True
        # Regular Expression - False
        # Match case - False
        # Match word - False
        # Direction - Forwards
        text = self.text
        equal = self.assertEqual
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it

        # test accessor method
        self.engine.setpat('asdf')
        equal(self.engine.getpat(), pv.get())

        # text found and replaced
        pv.set('a')
        rv.set('asdf')
        replace()
        equal(text.get('1.8', '1.12'), 'asdf')

        # don't "match word" case
        text.mark_set('insert', '1.0')
        pv.set('is')
        rv.set('hello')
        replace()
        equal(text.get('1.2', '1.7'), 'hello')

        # don't "match case" case
        pv.set('string')
        rv.set('world')
        replace()
        equal(text.get('1.23', '1.28'), 'world')

        # without "regular expression" case
        text.mark_set('insert', 'end')
        text.insert('insert', '\nline42:')
        before_text = text.get('1.0', 'end')
        pv.set(r'[a-z][\d]+')
        replace()
        after_text = text.get('1.0', 'end')
        equal(before_text, after_text)

        # test with wrap around selected and complete a cycle
        text.mark_set('insert', '1.9')
        pv.set('i')
        rv.set('j')
        replace()
        equal(text.get('1.8'), 'i')
        equal(text.get('2.1'), 'j')
        replace()
        equal(text.get('2.1'), 'j')
        equal(text.get('1.8'), 'j')
        before_text = text.get('1.0', 'end')
        replace()
        after_text = text.get('1.0', 'end')
        equal(before_text, after_text)

        # text not found
        before_text = text.get('1.0', 'end')
        pv.set('foobar')
        replace()
        after_text = text.get('1.0', 'end')
        equal(before_text, after_text)

        # test access method
        self.dialog.find_it(0)

    def test_replace_wrap_around(self):
        text = self.text
        equal = self.assertEqual
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it
        self.engine.wrapvar.set(False)

        # replace candidate found both after and before 'insert'
        text.mark_set('insert', '1.4')
        pv.set('i')
        rv.set('j')
        replace()
        equal(text.get('1.2'), 'i')
        equal(text.get('1.5'), 'j')
        replace()
        equal(text.get('1.2'), 'i')
        equal(text.get('1.20'), 'j')
        replace()
        equal(text.get('1.2'), 'i')

        # replace candidate found only before 'insert'
        text.mark_set('insert', '1.8')
        pv.set('is')
        before_text = text.get('1.0', 'end')
        replace()
        after_text = text.get('1.0', 'end')
        equal(before_text, after_text)

    def test_replace_whole_word(self):
        text = self.text
        equal = self.assertEqual
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it
        self.engine.wordvar.set(True)

        pv.set('is')
        rv.set('hello')
        replace()
        equal(text.get('1.0', '1.4'), 'This')
        equal(text.get('1.5', '1.10'), 'hello')

    def test_replace_match_case(self):
        equal = self.assertEqual
        text = self.text
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it
        self.engine.casevar.set(True)

        before_text = self.text.get('1.0', 'end')
        pv.set('this')
        rv.set('that')
        replace()
        after_text = self.text.get('1.0', 'end')
        equal(before_text, after_text)

        pv.set('This')
        replace()
        equal(text.get('1.0', '1.4'), 'that')

    def test_replace_regex(self):
        equal = self.assertEqual
        text = self.text
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it
        self.engine.revar.set(True)

        before_text = text.get('1.0', 'end')
        pv.set(r'[a-z][\d]+')
        rv.set('hello')
        replace()
        after_text = text.get('1.0', 'end')
        equal(before_text, after_text)

        text.insert('insert', '\nline42')
        replace()
        equal(text.get('2.0', '2.8'), 'linhello')

        pv.set('')
        replace()
        self.assertIn('error', showerror.title)
        self.assertIn('Empty', showerror.message)

        pv.set(r'[\d')
        replace()
        self.assertIn('error', showerror.title)
        self.assertIn('Pattern', showerror.message)

        showerror.title = ''
        showerror.message = ''
        pv.set('[a]')
        rv.set('test\\')
        replace()
        self.assertIn('error', showerror.title)
        self.assertIn('Invalid Replace Expression', showerror.message)

        # test access method
        self.engine.setcookedpat("?")
        equal(pv.get(), "\\?")

    def test_replace_backwards(self):
        equal = self.assertEqual
        text = self.text
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace = self.dialog.replace_it
        self.engine.backvar.set(True)

        text.insert('insert', '\nis as ')

        pv.set('is')
        rv.set('was')
        replace()
        equal(text.get('1.2', '1.4'), 'is')
        equal(text.get('2.0', '2.3'), 'was')
        replace()
        equal(text.get('1.5', '1.8'), 'was')
        replace()
        equal(text.get('1.2', '1.5'), 'was')

    def test_replace_all(self):
        text = self.text
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace_all = self.dialog.replace_all

        text.insert('insert', '\n')
        text.insert('insert', text.get('1.0', 'end')*100)
        pv.set('is')
        rv.set('was')
        replace_all()
        self.assertNotIn('is', text.get('1.0', 'end'))

        self.engine.revar.set(True)
        pv.set('')
        replace_all()
        self.assertIn('error', showerror.title)
        self.assertIn('Empty', showerror.message)

        pv.set('[s][T]')
        rv.set('\\')
        replace_all()

        self.engine.revar.set(False)
        pv.set('text which is not present')
        rv.set('foobar')
        replace_all()

    def test_default_command(self):
        text = self.text
        pv = self.engine.patvar
        rv = self.dialog.replvar
        replace_find = self.dialog.default_command
        equal = self.assertEqual

        pv.set('This')
        rv.set('was')
        replace_find()
        equal(text.get('sel.first', 'sel.last'), 'was')

        self.engine.revar.set(True)
        pv.set('')
        replace_find()


if __name__ == '__main__':
    unittest.main(verbosity=2)