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from idlelib.tooltip import TooltipBase, Hovertip
from test.support import requires
requires('gui')
from functools import wraps
import time
from tkinter import Button, Tk, Toplevel
import unittest
def setUpModule():
global root
root = Tk()
def root_update():
global root
root.update()
def tearDownModule():
global root
root.update_idletasks()
root.destroy()
del root
def add_call_counting(func):
@wraps(func)
def wrapped_func(*args, **kwargs):
wrapped_func.call_args_list.append((args, kwargs))
return func(*args, **kwargs)
wrapped_func.call_args_list = []
return wrapped_func
def _make_top_and_button(testobj):
global root
top = Toplevel(root)
testobj.addCleanup(top.destroy)
top.title("Test tooltip")
button = Button(top, text='ToolTip test button')
button.pack()
testobj.addCleanup(button.destroy)
top.lift()
return top, button
class ToolTipBaseTest(unittest.TestCase):
def setUp(self):
self.top, self.button = _make_top_and_button(self)
def test_base_class_is_unusable(self):
global root
top = Toplevel(root)
self.addCleanup(top.destroy)
button = Button(top, text='ToolTip test button')
button.pack()
self.addCleanup(button.destroy)
with self.assertRaises(NotImplementedError):
tooltip = TooltipBase(button)
tooltip.showtip()
class HovertipTest(unittest.TestCase):
def setUp(self):
self.top, self.button = _make_top_and_button(self)
def test_showtip(self):
tooltip = Hovertip(self.button, 'ToolTip text')
self.addCleanup(tooltip.hidetip)
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
tooltip.showtip()
self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
def test_showtip_twice(self):
tooltip = Hovertip(self.button, 'ToolTip text')
self.addCleanup(tooltip.hidetip)
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
tooltip.showtip()
self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
orig_tipwindow = tooltip.tipwindow
tooltip.showtip()
self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.assertIs(tooltip.tipwindow, orig_tipwindow)
def test_hidetip(self):
tooltip = Hovertip(self.button, 'ToolTip text')
self.addCleanup(tooltip.hidetip)
tooltip.showtip()
tooltip.hidetip()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
def test_showtip_on_mouse_enter_no_delay(self):
tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=None)
self.addCleanup(tooltip.hidetip)
tooltip.showtip = add_call_counting(tooltip.showtip)
root_update()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.button.event_generate('<Enter>', x=0, y=0)
root_update()
self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.assertGreater(len(tooltip.showtip.call_args_list), 0)
def test_showtip_on_mouse_enter_hover_delay(self):
tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=50)
self.addCleanup(tooltip.hidetip)
tooltip.showtip = add_call_counting(tooltip.showtip)
root_update()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.button.event_generate('<Enter>', x=0, y=0)
root_update()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
time.sleep(0.1)
root_update()
self.assertTrue(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.assertGreater(len(tooltip.showtip.call_args_list), 0)
def test_hidetip_on_mouse_leave(self):
tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=None)
self.addCleanup(tooltip.hidetip)
tooltip.showtip = add_call_counting(tooltip.showtip)
root_update()
self.button.event_generate('<Enter>', x=0, y=0)
root_update()
self.button.event_generate('<Leave>', x=0, y=0)
root_update()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.assertGreater(len(tooltip.showtip.call_args_list), 0)
def test_dont_show_on_mouse_leave_before_delay(self):
tooltip = Hovertip(self.button, 'ToolTip text', hover_delay=50)
self.addCleanup(tooltip.hidetip)
tooltip.showtip = add_call_counting(tooltip.showtip)
root_update()
self.button.event_generate('<Enter>', x=0, y=0)
root_update()
self.button.event_generate('<Leave>', x=0, y=0)
root_update()
time.sleep(0.1)
root_update()
self.assertFalse(tooltip.tipwindow and tooltip.tipwindow.winfo_viewable())
self.assertEqual(tooltip.showtip.call_args_list, [])
if __name__ == '__main__':
unittest.main(verbosity=2)
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