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