| 1 | n/a | import sys |
|---|
| 2 | n/a | import unittest |
|---|
| 3 | n/a | import tkinter |
|---|
| 4 | n/a | from tkinter import ttk |
|---|
| 5 | n/a | from test.support import requires, run_unittest, swap_attr |
|---|
| 6 | n/a | from tkinter.test.support import AbstractTkTest, destroy_default_root |
|---|
| 7 | n/a | |
|---|
| 8 | n/a | requires('gui') |
|---|
| 9 | n/a | |
|---|
| 10 | n/a | class LabeledScaleTest(AbstractTkTest, unittest.TestCase): |
|---|
| 11 | n/a | |
|---|
| 12 | n/a | def tearDown(self): |
|---|
| 13 | n/a | self.root.update_idletasks() |
|---|
| 14 | n/a | super().tearDown() |
|---|
| 15 | n/a | |
|---|
| 16 | n/a | def test_widget_destroy(self): |
|---|
| 17 | n/a | # automatically created variable |
|---|
| 18 | n/a | x = ttk.LabeledScale(self.root) |
|---|
| 19 | n/a | var = x._variable._name |
|---|
| 20 | n/a | x.destroy() |
|---|
| 21 | n/a | self.assertRaises(tkinter.TclError, x.tk.globalgetvar, var) |
|---|
| 22 | n/a | |
|---|
| 23 | n/a | # manually created variable |
|---|
| 24 | n/a | myvar = tkinter.DoubleVar(self.root) |
|---|
| 25 | n/a | name = myvar._name |
|---|
| 26 | n/a | x = ttk.LabeledScale(self.root, variable=myvar) |
|---|
| 27 | n/a | x.destroy() |
|---|
| 28 | n/a | if self.wantobjects: |
|---|
| 29 | n/a | self.assertEqual(x.tk.globalgetvar(name), myvar.get()) |
|---|
| 30 | n/a | else: |
|---|
| 31 | n/a | self.assertEqual(float(x.tk.globalgetvar(name)), myvar.get()) |
|---|
| 32 | n/a | del myvar |
|---|
| 33 | n/a | self.assertRaises(tkinter.TclError, x.tk.globalgetvar, name) |
|---|
| 34 | n/a | |
|---|
| 35 | n/a | # checking that the tracing callback is properly removed |
|---|
| 36 | n/a | myvar = tkinter.IntVar(self.root) |
|---|
| 37 | n/a | # LabeledScale will start tracing myvar |
|---|
| 38 | n/a | x = ttk.LabeledScale(self.root, variable=myvar) |
|---|
| 39 | n/a | x.destroy() |
|---|
| 40 | n/a | # Unless the tracing callback was removed, creating a new |
|---|
| 41 | n/a | # LabeledScale with the same var will cause an error now. This |
|---|
| 42 | n/a | # happens because the variable will be set to (possibly) a new |
|---|
| 43 | n/a | # value which causes the tracing callback to be called and then |
|---|
| 44 | n/a | # it tries calling instance attributes not yet defined. |
|---|
| 45 | n/a | ttk.LabeledScale(self.root, variable=myvar) |
|---|
| 46 | n/a | if hasattr(sys, 'last_type'): |
|---|
| 47 | n/a | self.assertNotEqual(sys.last_type, tkinter.TclError) |
|---|
| 48 | n/a | |
|---|
| 49 | n/a | |
|---|
| 50 | n/a | def test_initialization_no_master(self): |
|---|
| 51 | n/a | # no master passing |
|---|
| 52 | n/a | with swap_attr(tkinter, '_default_root', None), \ |
|---|
| 53 | n/a | swap_attr(tkinter, '_support_default_root', True): |
|---|
| 54 | n/a | try: |
|---|
| 55 | n/a | x = ttk.LabeledScale() |
|---|
| 56 | n/a | self.assertIsNotNone(tkinter._default_root) |
|---|
| 57 | n/a | self.assertEqual(x.master, tkinter._default_root) |
|---|
| 58 | n/a | self.assertEqual(x.tk, tkinter._default_root.tk) |
|---|
| 59 | n/a | x.destroy() |
|---|
| 60 | n/a | finally: |
|---|
| 61 | n/a | destroy_default_root() |
|---|
| 62 | n/a | |
|---|
| 63 | n/a | def test_initialization(self): |
|---|
| 64 | n/a | # master passing |
|---|
| 65 | n/a | master = tkinter.Frame(self.root) |
|---|
| 66 | n/a | x = ttk.LabeledScale(master) |
|---|
| 67 | n/a | self.assertEqual(x.master, master) |
|---|
| 68 | n/a | x.destroy() |
|---|
| 69 | n/a | |
|---|
| 70 | n/a | # variable initialization/passing |
|---|
| 71 | n/a | passed_expected = (('0', 0), (0, 0), (10, 10), |
|---|
| 72 | n/a | (-1, -1), (sys.maxsize + 1, sys.maxsize + 1), |
|---|
| 73 | n/a | (2.5, 2), ('2.5', 2)) |
|---|
| 74 | n/a | for pair in passed_expected: |
|---|
| 75 | n/a | x = ttk.LabeledScale(self.root, from_=pair[0]) |
|---|
| 76 | n/a | self.assertEqual(x.value, pair[1]) |
|---|
| 77 | n/a | x.destroy() |
|---|
| 78 | n/a | x = ttk.LabeledScale(self.root, from_=None) |
|---|
| 79 | n/a | self.assertRaises((ValueError, tkinter.TclError), x._variable.get) |
|---|
| 80 | n/a | x.destroy() |
|---|
| 81 | n/a | # variable should have its default value set to the from_ value |
|---|
| 82 | n/a | myvar = tkinter.DoubleVar(self.root, value=20) |
|---|
| 83 | n/a | x = ttk.LabeledScale(self.root, variable=myvar) |
|---|
| 84 | n/a | self.assertEqual(x.value, 0) |
|---|
| 85 | n/a | x.destroy() |
|---|
| 86 | n/a | # check that it is really using a DoubleVar |
|---|
| 87 | n/a | x = ttk.LabeledScale(self.root, variable=myvar, from_=0.5) |
|---|
| 88 | n/a | self.assertEqual(x.value, 0.5) |
|---|
| 89 | n/a | self.assertEqual(x._variable._name, myvar._name) |
|---|
| 90 | n/a | x.destroy() |
|---|
| 91 | n/a | |
|---|
| 92 | n/a | # widget positionment |
|---|
| 93 | n/a | def check_positions(scale, scale_pos, label, label_pos): |
|---|
| 94 | n/a | self.assertEqual(scale.pack_info()['side'], scale_pos) |
|---|
| 95 | n/a | self.assertEqual(label.place_info()['anchor'], label_pos) |
|---|
| 96 | n/a | x = ttk.LabeledScale(self.root, compound='top') |
|---|
| 97 | n/a | check_positions(x.scale, 'bottom', x.label, 'n') |
|---|
| 98 | n/a | x.destroy() |
|---|
| 99 | n/a | x = ttk.LabeledScale(self.root, compound='bottom') |
|---|
| 100 | n/a | check_positions(x.scale, 'top', x.label, 's') |
|---|
| 101 | n/a | x.destroy() |
|---|
| 102 | n/a | # invert default positions |
|---|
| 103 | n/a | x = ttk.LabeledScale(self.root, compound='unknown') |
|---|
| 104 | n/a | check_positions(x.scale, 'top', x.label, 's') |
|---|
| 105 | n/a | x.destroy() |
|---|
| 106 | n/a | x = ttk.LabeledScale(self.root) # take default positions |
|---|
| 107 | n/a | check_positions(x.scale, 'bottom', x.label, 'n') |
|---|
| 108 | n/a | x.destroy() |
|---|
| 109 | n/a | |
|---|
| 110 | n/a | # extra, and invalid, kwargs |
|---|
| 111 | n/a | self.assertRaises(tkinter.TclError, ttk.LabeledScale, master, a='b') |
|---|
| 112 | n/a | |
|---|
| 113 | n/a | |
|---|
| 114 | n/a | def test_horizontal_range(self): |
|---|
| 115 | n/a | lscale = ttk.LabeledScale(self.root, from_=0, to=10) |
|---|
| 116 | n/a | lscale.pack() |
|---|
| 117 | n/a | lscale.wait_visibility() |
|---|
| 118 | n/a | lscale.update() |
|---|
| 119 | n/a | |
|---|
| 120 | n/a | linfo_1 = lscale.label.place_info() |
|---|
| 121 | n/a | prev_xcoord = lscale.scale.coords()[0] |
|---|
| 122 | n/a | self.assertEqual(prev_xcoord, int(linfo_1['x'])) |
|---|
| 123 | n/a | # change range to: from -5 to 5. This should change the x coord of |
|---|
| 124 | n/a | # the scale widget, since 0 is at the middle of the new |
|---|
| 125 | n/a | # range. |
|---|
| 126 | n/a | lscale.scale.configure(from_=-5, to=5) |
|---|
| 127 | n/a | # The following update is needed since the test doesn't use mainloop, |
|---|
| 128 | n/a | # at the same time this shouldn't affect test outcome |
|---|
| 129 | n/a | lscale.update() |
|---|
| 130 | n/a | curr_xcoord = lscale.scale.coords()[0] |
|---|
| 131 | n/a | self.assertNotEqual(prev_xcoord, curr_xcoord) |
|---|
| 132 | n/a | # the label widget should have been repositioned too |
|---|
| 133 | n/a | linfo_2 = lscale.label.place_info() |
|---|
| 134 | n/a | self.assertEqual(lscale.label['text'], 0 if self.wantobjects else '0') |
|---|
| 135 | n/a | self.assertEqual(curr_xcoord, int(linfo_2['x'])) |
|---|
| 136 | n/a | # change the range back |
|---|
| 137 | n/a | lscale.scale.configure(from_=0, to=10) |
|---|
| 138 | n/a | self.assertNotEqual(prev_xcoord, curr_xcoord) |
|---|
| 139 | n/a | self.assertEqual(prev_xcoord, int(linfo_1['x'])) |
|---|
| 140 | n/a | |
|---|
| 141 | n/a | lscale.destroy() |
|---|
| 142 | n/a | |
|---|
| 143 | n/a | |
|---|
| 144 | n/a | def test_variable_change(self): |
|---|
| 145 | n/a | x = ttk.LabeledScale(self.root) |
|---|
| 146 | n/a | x.pack() |
|---|
| 147 | n/a | x.wait_visibility() |
|---|
| 148 | n/a | x.update() |
|---|
| 149 | n/a | |
|---|
| 150 | n/a | curr_xcoord = x.scale.coords()[0] |
|---|
| 151 | n/a | newval = x.value + 1 |
|---|
| 152 | n/a | x.value = newval |
|---|
| 153 | n/a | # The following update is needed since the test doesn't use mainloop, |
|---|
| 154 | n/a | # at the same time this shouldn't affect test outcome |
|---|
| 155 | n/a | x.update() |
|---|
| 156 | n/a | self.assertEqual(x.value, newval) |
|---|
| 157 | n/a | self.assertEqual(x.label['text'], |
|---|
| 158 | n/a | newval if self.wantobjects else str(newval)) |
|---|
| 159 | n/a | self.assertEqual(float(x.scale.get()), newval) |
|---|
| 160 | n/a | self.assertGreater(x.scale.coords()[0], curr_xcoord) |
|---|
| 161 | n/a | self.assertEqual(x.scale.coords()[0], |
|---|
| 162 | n/a | int(x.label.place_info()['x'])) |
|---|
| 163 | n/a | |
|---|
| 164 | n/a | # value outside range |
|---|
| 165 | n/a | if self.wantobjects: |
|---|
| 166 | n/a | conv = lambda x: x |
|---|
| 167 | n/a | else: |
|---|
| 168 | n/a | conv = int |
|---|
| 169 | n/a | x.value = conv(x.scale['to']) + 1 # no changes shouldn't happen |
|---|
| 170 | n/a | x.update() |
|---|
| 171 | n/a | self.assertEqual(x.value, newval) |
|---|
| 172 | n/a | self.assertEqual(conv(x.label['text']), newval) |
|---|
| 173 | n/a | self.assertEqual(float(x.scale.get()), newval) |
|---|
| 174 | n/a | self.assertEqual(x.scale.coords()[0], |
|---|
| 175 | n/a | int(x.label.place_info()['x'])) |
|---|
| 176 | n/a | |
|---|
| 177 | n/a | # non-integer value |
|---|
| 178 | n/a | x.value = newval = newval + 1.5 |
|---|
| 179 | n/a | x.update() |
|---|
| 180 | n/a | self.assertEqual(x.value, int(newval)) |
|---|
| 181 | n/a | self.assertEqual(conv(x.label['text']), int(newval)) |
|---|
| 182 | n/a | self.assertEqual(float(x.scale.get()), newval) |
|---|
| 183 | n/a | |
|---|
| 184 | n/a | x.destroy() |
|---|
| 185 | n/a | |
|---|
| 186 | n/a | |
|---|
| 187 | n/a | def test_resize(self): |
|---|
| 188 | n/a | x = ttk.LabeledScale(self.root) |
|---|
| 189 | n/a | x.pack(expand=True, fill='both') |
|---|
| 190 | n/a | x.wait_visibility() |
|---|
| 191 | n/a | x.update() |
|---|
| 192 | n/a | |
|---|
| 193 | n/a | width, height = x.master.winfo_width(), x.master.winfo_height() |
|---|
| 194 | n/a | width_new, height_new = width * 2, height * 2 |
|---|
| 195 | n/a | |
|---|
| 196 | n/a | x.value = 3 |
|---|
| 197 | n/a | x.update() |
|---|
| 198 | n/a | x.master.wm_geometry("%dx%d" % (width_new, height_new)) |
|---|
| 199 | n/a | self.assertEqual(int(x.label.place_info()['x']), |
|---|
| 200 | n/a | x.scale.coords()[0]) |
|---|
| 201 | n/a | |
|---|
| 202 | n/a | # Reset geometry |
|---|
| 203 | n/a | x.master.wm_geometry("%dx%d" % (width, height)) |
|---|
| 204 | n/a | x.destroy() |
|---|
| 205 | n/a | |
|---|
| 206 | n/a | |
|---|
| 207 | n/a | class OptionMenuTest(AbstractTkTest, unittest.TestCase): |
|---|
| 208 | n/a | |
|---|
| 209 | n/a | def setUp(self): |
|---|
| 210 | n/a | super().setUp() |
|---|
| 211 | n/a | self.textvar = tkinter.StringVar(self.root) |
|---|
| 212 | n/a | |
|---|
| 213 | n/a | def tearDown(self): |
|---|
| 214 | n/a | del self.textvar |
|---|
| 215 | n/a | super().tearDown() |
|---|
| 216 | n/a | |
|---|
| 217 | n/a | |
|---|
| 218 | n/a | def test_widget_destroy(self): |
|---|
| 219 | n/a | var = tkinter.StringVar(self.root) |
|---|
| 220 | n/a | optmenu = ttk.OptionMenu(self.root, var) |
|---|
| 221 | n/a | name = var._name |
|---|
| 222 | n/a | optmenu.update_idletasks() |
|---|
| 223 | n/a | optmenu.destroy() |
|---|
| 224 | n/a | self.assertEqual(optmenu.tk.globalgetvar(name), var.get()) |
|---|
| 225 | n/a | del var |
|---|
| 226 | n/a | self.assertRaises(tkinter.TclError, optmenu.tk.globalgetvar, name) |
|---|
| 227 | n/a | |
|---|
| 228 | n/a | |
|---|
| 229 | n/a | def test_initialization(self): |
|---|
| 230 | n/a | self.assertRaises(tkinter.TclError, |
|---|
| 231 | n/a | ttk.OptionMenu, self.root, self.textvar, invalid='thing') |
|---|
| 232 | n/a | |
|---|
| 233 | n/a | optmenu = ttk.OptionMenu(self.root, self.textvar, 'b', 'a', 'b') |
|---|
| 234 | n/a | self.assertEqual(optmenu._variable.get(), 'b') |
|---|
| 235 | n/a | |
|---|
| 236 | n/a | self.assertTrue(optmenu['menu']) |
|---|
| 237 | n/a | self.assertTrue(optmenu['textvariable']) |
|---|
| 238 | n/a | |
|---|
| 239 | n/a | optmenu.destroy() |
|---|
| 240 | n/a | |
|---|
| 241 | n/a | |
|---|
| 242 | n/a | def test_menu(self): |
|---|
| 243 | n/a | items = ('a', 'b', 'c') |
|---|
| 244 | n/a | default = 'a' |
|---|
| 245 | n/a | optmenu = ttk.OptionMenu(self.root, self.textvar, default, *items) |
|---|
| 246 | n/a | found_default = False |
|---|
| 247 | n/a | for i in range(len(items)): |
|---|
| 248 | n/a | value = optmenu['menu'].entrycget(i, 'value') |
|---|
| 249 | n/a | self.assertEqual(value, items[i]) |
|---|
| 250 | n/a | if value == default: |
|---|
| 251 | n/a | found_default = True |
|---|
| 252 | n/a | self.assertTrue(found_default) |
|---|
| 253 | n/a | optmenu.destroy() |
|---|
| 254 | n/a | |
|---|
| 255 | n/a | # default shouldn't be in menu if it is not part of values |
|---|
| 256 | n/a | default = 'd' |
|---|
| 257 | n/a | optmenu = ttk.OptionMenu(self.root, self.textvar, default, *items) |
|---|
| 258 | n/a | curr = None |
|---|
| 259 | n/a | i = 0 |
|---|
| 260 | n/a | while True: |
|---|
| 261 | n/a | last, curr = curr, optmenu['menu'].entryconfigure(i, 'value') |
|---|
| 262 | n/a | if last == curr: |
|---|
| 263 | n/a | # no more menu entries |
|---|
| 264 | n/a | break |
|---|
| 265 | n/a | self.assertNotEqual(curr, default) |
|---|
| 266 | n/a | i += 1 |
|---|
| 267 | n/a | self.assertEqual(i, len(items)) |
|---|
| 268 | n/a | |
|---|
| 269 | n/a | # check that variable is updated correctly |
|---|
| 270 | n/a | optmenu.pack() |
|---|
| 271 | n/a | optmenu.wait_visibility() |
|---|
| 272 | n/a | optmenu['menu'].invoke(0) |
|---|
| 273 | n/a | self.assertEqual(optmenu._variable.get(), items[0]) |
|---|
| 274 | n/a | |
|---|
| 275 | n/a | # changing to an invalid index shouldn't change the variable |
|---|
| 276 | n/a | self.assertRaises(tkinter.TclError, optmenu['menu'].invoke, -1) |
|---|
| 277 | n/a | self.assertEqual(optmenu._variable.get(), items[0]) |
|---|
| 278 | n/a | |
|---|
| 279 | n/a | optmenu.destroy() |
|---|
| 280 | n/a | |
|---|
| 281 | n/a | # specifying a callback |
|---|
| 282 | n/a | success = [] |
|---|
| 283 | n/a | def cb_test(item): |
|---|
| 284 | n/a | self.assertEqual(item, items[1]) |
|---|
| 285 | n/a | success.append(True) |
|---|
| 286 | n/a | optmenu = ttk.OptionMenu(self.root, self.textvar, 'a', command=cb_test, |
|---|
| 287 | n/a | *items) |
|---|
| 288 | n/a | optmenu['menu'].invoke(1) |
|---|
| 289 | n/a | if not success: |
|---|
| 290 | n/a | self.fail("Menu callback not invoked") |
|---|
| 291 | n/a | |
|---|
| 292 | n/a | optmenu.destroy() |
|---|
| 293 | n/a | |
|---|
| 294 | n/a | |
|---|
| 295 | n/a | tests_gui = (LabeledScaleTest, OptionMenuTest) |
|---|
| 296 | n/a | |
|---|
| 297 | n/a | if __name__ == "__main__": |
|---|
| 298 | n/a | run_unittest(*tests_gui) |
|---|
