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'''Test idlelib.macosx.py
'''
from idlelib import macosx
from test.support import requires
import sys
import tkinter as tk
import unittest
import unittest.mock as mock
MAC = sys.platform == 'darwin'
mactypes = {'carbon', 'cocoa', 'xquartz'}
nontypes = {'other'}
alltypes = mactypes | nontypes
class InitTktypeTest(unittest.TestCase):
"Test _init_tk_type."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_init_sets_tktype(self):
"Test that _init_tk_type sets _tk_type according to platform."
for root in (None, self.root):
with self.subTest(root=root):
macosx._tk_type == None
macosx._init_tk_type(root)
self.assertIn(macosx._tk_type,
mactypes if MAC else nontypes)
class IsTypeTkTest(unittest.TestCase):
"Test each of the four isTypeTk predecates."
isfuncs = ((macosx.isAquaTk, ('carbon', 'cocoa')),
(macosx.isCarbonTk, ('carbon')),
(macosx.isCocoaTk, ('cocoa')),
(macosx.isXQuartz, ('xquartz')),
)
@mock.patch('idlelib.macosx._init_tk_type')
def test_is_calls_init(self, mockinit):
"Test that each isTypeTk calls _init_tk_type when _tk_type is None."
macosx._tk_type = None
for func, whentrue in self.isfuncs:
with self.subTest(func=func):
func()
self.assertTrue(mockinit.called)
mockinit.reset_mock()
def test_isfuncs(self):
"Test that each isTypeTk return correct bool."
for func, whentrue in self.isfuncs:
for tktype in alltypes:
with self.subTest(func=func, whentrue=whentrue, tktype=tktype):
macosx._tk_type = tktype
(self.assertTrue if tktype in whentrue else self.assertFalse)\
(func())
if __name__ == '__main__':
unittest.main(verbosity=2)
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