1 ''' Test mock_tk.Text class against tkinter.Text class 2 3 Run same tests with both by creating a mixin class. 4 ''' 5 import unittest 6 from test.support import requires 7 from _tkinter import TclError 8 9 class TextTest(object): 10 "Define items common to both sets of tests." 11 12 hw = 'hello\nworld' # Several tests insert this after initialization. 13 hwn = hw+'\n' # \n present at initialization, before insert 14 15 # setUpClass defines cls.Text and maybe cls.root. 16 # setUp defines self.text from Text and maybe root. 17 18 def test_init(self): 19 self.assertEqual(self.text.get('1.0'), '\n') 20 self.assertEqual(self.text.get('end'), '') 21 22 def test_index_empty(self): 23 index = self.text.index 24 25 for dex in (-1.0, 0.3, '1.-1', '1.0', '1.0 lineend', '1.end', '1.33', 26 'insert'): 27 self.assertEqual(index(dex), '1.0') 28 29 for dex in 'end', 2.0, '2.1', '33.44': 30 self.assertEqual(index(dex), '2.0') 31 32 def test_index_data(self): 33 index = self.text.index 34 self.text.insert('1.0', self.hw) 35 36 for dex in -1.0, 0.3, '1.-1', '1.0': 37 self.assertEqual(index(dex), '1.0') 38 39 for dex in '1.0 lineend', '1.end', '1.33': 40 self.assertEqual(index(dex), '1.5') 41 42 for dex in 'end', '33.44': 43 self.assertEqual(index(dex), '3.0') 44 45 def test_get(self): 46 get = self.text.get 47 Equal = self.assertEqual 48 self.text.insert('1.0', self.hw) 49 50 Equal(get('end'), '') 51 Equal(get('end', 'end'), '') 52 Equal(get('1.0'), 'h') 53 Equal(get('1.0', '1.1'), 'h') 54 Equal(get('1.0', '1.3'), 'hel') 55 Equal(get('1.1', '1.3'), 'el') 56 Equal(get('1.0', '1.0 lineend'), 'hello') 57 Equal(get('1.0', '1.10'), 'hello') 58 Equal(get('1.0 lineend'), '\n') 59 Equal(get('1.1', '2.3'), 'ello\nwor') 60 Equal(get('1.0', '2.5'), self.hw) 61 Equal(get('1.0', 'end'), self.hwn) 62 Equal(get('0.0', '5.0'), self.hwn) 63 64 def test_insert(self): 65 insert = self.text.insert 66 get = self.text.get 67 Equal = self.assertEqual 68 69 insert('1.0', self.hw) 70 Equal(get('1.0', 'end'), self.hwn) 71 72 insert('1.0', '') # nothing 73 Equal(get('1.0', 'end'), self.hwn) 74 75 insert('1.0', '*') 76 Equal(get('1.0', 'end'), '*hello\nworld\n') 77 78 insert('1.0 lineend', '*') 79 Equal(get('1.0', 'end'), '*hello*\nworld\n') 80 81 insert('2.3', '*') 82 Equal(get('1.0', 'end'), '*hello*\nwor*ld\n') 83 84 insert('end', 'x') 85 Equal(get('1.0', 'end'), '*hello*\nwor*ldx\n') 86 87 insert('1.4', 'x\n') 88 Equal(get('1.0', 'end'), '*helx\nlo*\nwor*ldx\n') 89 90 def test_no_delete(self): 91 # if index1 == 'insert' or 'end' or >= end, there is no deletion 92 delete = self.text.delete 93 get = self.text.get 94 Equal = self.assertEqual 95 self.text.insert('1.0', self.hw) 96 97 delete('insert') 98 Equal(get('1.0', 'end'), self.hwn) 99 100 delete('end') 101 Equal(get('1.0', 'end'), self.hwn) 102 103 delete('insert', 'end') 104 Equal(get('1.0', 'end'), self.hwn) 105 106 delete('insert', '5.5') 107 Equal(get('1.0', 'end'), self.hwn) 108 109 delete('1.4', '1.0') 110 Equal(get('1.0', 'end'), self.hwn) 111 112 delete('1.4', '1.4') 113 Equal(get('1.0', 'end'), self.hwn) 114 115 def test_delete_char(self): 116 delete = self.text.delete 117 get = self.text.get 118 Equal = self.assertEqual 119 self.text.insert('1.0', self.hw) 120 121 delete('1.0') 122 Equal(get('1.0', '1.end'), 'ello') 123 124 delete('1.0', '1.1') 125 Equal(get('1.0', '1.end'), 'llo') 126 127 # delete \n and combine 2 lines into 1 128 delete('1.end') 129 Equal(get('1.0', '1.end'), 'lloworld') 130 131 self.text.insert('1.3', '\n') 132 delete('1.10') 133 Equal(get('1.0', '1.end'), 'lloworld') 134 135 self.text.insert('1.3', '\n') 136 delete('1.3', '2.0') 137 Equal(get('1.0', '1.end'), 'lloworld') 138 139 def test_delete_slice(self): 140 delete = self.text.delete 141 get = self.text.get 142 Equal = self.assertEqual 143 self.text.insert('1.0', self.hw) 144 145 delete('1.0', '1.0 lineend') 146 Equal(get('1.0', 'end'), '\nworld\n') 147 148 delete('1.0', 'end') 149 Equal(get('1.0', 'end'), '\n') 150 151 self.text.insert('1.0', self.hw) 152 delete('1.0', '2.0') 153 Equal(get('1.0', 'end'), 'world\n') 154 155 delete('1.0', 'end') 156 Equal(get('1.0', 'end'), '\n') 157 158 self.text.insert('1.0', self.hw) 159 delete('1.2', '2.3') 160 Equal(get('1.0', 'end'), 'held\n') 161 162 def test_multiple_lines(self): # insert and delete 163 self.text.insert('1.0', 'hello') 164 165 self.text.insert('1.3', '1\n2\n3\n4\n5') 166 self.assertEqual(self.text.get('1.0', 'end'), 'hel1\n2\n3\n4\n5lo\n') 167 168 self.text.delete('1.3', '5.1') 169 self.assertEqual(self.text.get('1.0', 'end'), 'hello\n') 170 171 def test_compare(self): 172 compare = self.text.compare 173 Equal = self.assertEqual 174 # need data so indexes not squished to 1,0 175 self.text.insert('1.0', 'First\nSecond\nThird\n') 176 177 self.assertRaises(TclError, compare, '2.2', 'op', '2.2') 178 179 for op, less1, less0, equal, greater0, greater1 in ( 180 ('<', True, True, False, False, False), 181 ('<=', True, True, True, False, False), 182 ('>', False, False, False, True, True), 183 ('>=', False, False, True, True, True), 184 ('==', False, False, True, False, False), 185 ('!=', True, True, False, True, True), 186 ): 187 Equal(compare('1.1', op, '2.2'), less1, op) 188 Equal(compare('2.1', op, '2.2'), less0, op) 189 Equal(compare('2.2', op, '2.2'), equal, op) 190 Equal(compare('2.3', op, '2.2'), greater0, op) 191 Equal(compare('3.3', op, '2.2'), greater1, op) 192 193 194 class MockTextTest(TextTest, unittest.TestCase): 195 196 @classmethod 197 def setUpClass(cls): 198 from idlelib.idle_test.mock_tk import Text 199 cls.Text = Text 200 201 def setUp(self): 202 self.text = self.Text() 203 204 205 def test_decode(self): 206 # test endflags (-1, 0) not tested by test_index (which uses +1) 207 decode = self.text._decode 208 Equal = self.assertEqual 209 self.text.insert('1.0', self.hw) 210 211 Equal(decode('end', -1), (2, 5)) 212 Equal(decode('3.1', -1), (2, 5)) 213 Equal(decode('end', 0), (2, 6)) 214 Equal(decode('3.1', 0), (2, 6)) 215 216 217 class TkTextTest(TextTest, unittest.TestCase): 218 219 @classmethod 220 def setUpClass(cls): 221 requires('gui') 222 from tkinter import Tk, Text 223 cls.Text = Text 224 cls.root = Tk() 225 226 @classmethod 227 def tearDownClass(cls): 228 cls.root.destroy() 229 del cls.root 230 231 def setUp(self): 232 self.text = self.Text(self.root) 233 234 235 if __name__ == '__main__': 236 unittest.main(verbosity=2, exit=False) 237