test tooltip coverage 100 coverage is 100 after excluding 6 lines with pragma no cover they involve tclerrors that either should or should not happen in a particular situation and which are pass ed if they do run multiple tests requiring an actual delay simultaneously test 1 a hover tip with a nonzero delay appears after the delay test 2 a hover tip with a nonzero delay doesn t appear when the mouse stops hovering over the base widget before the delay expires test 1 assertions test 2 assertions run multiple tests requiring an actual delay simultaneously test 1 a hover tip with a non zero delay appears after the delay test 2 a hover tip with a non zero delay doesn t appear when the mouse stops hovering over the base widget before the delay expires test 1 assertions test 2 assertions
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 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 is_tipwindow_shown(self, tooltip):
        return tooltip.tipwindow and tooltip.tipwindow.winfo_viewable()

    def test_showtip(self):
        tooltip = Hovertip(self.button, 'ToolTip text')
        self.addCleanup(tooltip.hidetip)
        self.assertFalse(self.is_tipwindow_shown(tooltip))
        tooltip.showtip()
        self.assertTrue(self.is_tipwindow_shown(tooltip))

    def test_showtip_twice(self):
        tooltip = Hovertip(self.button, 'ToolTip text')
        self.addCleanup(tooltip.hidetip)
        self.assertFalse(self.is_tipwindow_shown(tooltip))
        tooltip.showtip()
        self.assertTrue(self.is_tipwindow_shown(tooltip))
        orig_tipwindow = tooltip.tipwindow
        tooltip.showtip()
        self.assertTrue(self.is_tipwindow_shown(tooltip))
        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(self.is_tipwindow_shown(tooltip))

    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(self.is_tipwindow_shown(tooltip))
        self.button.event_generate('<Enter>', x=0, y=0)
        root.update()
        self.assertTrue(self.is_tipwindow_shown(tooltip))
        self.assertGreater(len(tooltip.showtip.call_args_list), 0)

    def test_hover_with_delay(self):
        

        
        tooltip1 = Hovertip(self.button, 'ToolTip text', hover_delay=100)
        self.addCleanup(tooltip1.hidetip)
        tooltip1.showtip = add_call_counting(tooltip1.showtip)
        root.update()
        self.assertFalse(self.is_tipwindow_shown(tooltip1))
        self.button.event_generate('<Enter>', x=0, y=0)
        root.update()
        self.assertFalse(self.is_tipwindow_shown(tooltip1))

        
        
        
        tooltip2 = Hovertip(self.button, 'ToolTip text', hover_delay=100)
        self.addCleanup(tooltip2.hidetip)
        tooltip2.showtip = add_call_counting(tooltip2.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(0.15)
        root.update()

        
        self.assertTrue(self.is_tipwindow_shown(tooltip1))
        self.assertGreater(len(tooltip1.showtip.call_args_list), 0)

        
        self.assertFalse(self.is_tipwindow_shown(tooltip2))
        self.assertEqual(tooltip2.showtip.call_args_list, [])

    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(self.is_tipwindow_shown(tooltip))
        self.assertGreater(len(tooltip.showtip.call_args_list), 0)


if __name__ == '__main__':
    unittest.main(verbosity=2)