Edit: test_tooltip.py
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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