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87e59ac11e
* make CallTip and ToolTip sub-classes of a common abstract base class * remove ListboxToolTip (unused and ugly) * greatly increase test coverage * tested on Windows, Linux and macOS
146 lines
5 KiB
Python
146 lines
5 KiB
Python
from idlelib.tooltip import TooltipBase, Hovertip
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from test.support import requires
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requires('gui')
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from functools import wraps
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import time
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from tkinter import Button, Tk, Toplevel
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import unittest
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def setUpModule():
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global root
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root = Tk()
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def root_update():
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global root
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root.update()
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def tearDownModule():
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global root
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root.update_idletasks()
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root.destroy()
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del root
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def add_call_counting(func):
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@wraps(func)
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def wrapped_func(*args, **kwargs):
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wrapped_func.call_args_list.append((args, kwargs))
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return func(*args, **kwargs)
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wrapped_func.call_args_list = []
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return wrapped_func
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def _make_top_and_button(testobj):
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global root
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top = Toplevel(root)
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testobj.addCleanup(top.destroy)
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top.title("Test tooltip")
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button = Button(top, text='ToolTip test button')
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button.pack()
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testobj.addCleanup(button.destroy)
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top.lift()
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return top, button
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class ToolTipBaseTest(unittest.TestCase):
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def setUp(self):
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self.top, self.button = _make_top_and_button(self)
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def test_base_class_is_unusable(self):
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global root
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top = Toplevel(root)
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self.addCleanup(top.destroy)
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button = Button(top, text='ToolTip test button')
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button.pack()
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self.addCleanup(button.destroy)
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with self.assertRaises(NotImplementedError):
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tooltip = TooltipBase(button)
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tooltip.showtip()
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class HovertipTest(unittest.TestCase):
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def setUp(self):
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self.top, self.button = _make_top_and_button(self)
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def test_showtip(self):
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tooltip = Hovertip(self.button, 'ToolTip text')
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self.addCleanup(tooltip.hidetip)
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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tooltip.showtip()
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self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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def test_showtip_twice(self):
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tooltip = Hovertip(self.button, 'ToolTip text')
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self.addCleanup(tooltip.hidetip)
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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tooltip.showtip()
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self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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orig_tipwindow = tooltip.tipwindow
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tooltip.showtip()
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self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.assertIs(tooltip.tipwindow, orig_tipwindow)
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def test_hidetip(self):
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tooltip = Hovertip(self.button, 'ToolTip text')
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self.addCleanup(tooltip.hidetip)
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tooltip.showtip()
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tooltip.hidetip()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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def test_showtip_on_mouse_enter_no_delay(self):
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tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=None)
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self.addCleanup(tooltip.hidetip)
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tooltip.showtip = add_call_counting(tooltip.showtip)
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root_update()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.button.event_generate('<Enter>', x=0, y=0)
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root_update()
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self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.assertGreater(len(tooltip.showtip.call_args_list), 0)
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def test_showtip_on_mouse_enter_hover_delay(self):
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tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=50)
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self.addCleanup(tooltip.hidetip)
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tooltip.showtip = add_call_counting(tooltip.showtip)
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root_update()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.button.event_generate('<Enter>', x=0, y=0)
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root_update()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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time.sleep(0.1)
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root_update()
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self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.assertGreater(len(tooltip.showtip.call_args_list), 0)
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def test_hidetip_on_mouse_leave(self):
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tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=None)
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self.addCleanup(tooltip.hidetip)
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tooltip.showtip = add_call_counting(tooltip.showtip)
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root_update()
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self.button.event_generate('<Enter>', x=0, y=0)
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root_update()
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self.button.event_generate('<Leave>', x=0, y=0)
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root_update()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.assertGreater(len(tooltip.showtip.call_args_list), 0)
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def test_dont_show_on_mouse_leave_before_delay(self):
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tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=50)
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self.addCleanup(tooltip.hidetip)
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tooltip.showtip = add_call_counting(tooltip.showtip)
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root_update()
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self.button.event_generate('<Enter>', x=0, y=0)
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root_update()
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self.button.event_generate('<Leave>', x=0, y=0)
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root_update()
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time.sleep(0.1)
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root_update()
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self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
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self.assertEqual(tooltip.showtip.call_args_list, [])
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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