mirror of
https://github.com/python/cpython.git
synced 2025-11-03 15:11:34 +00:00
123 lines
4 KiB
Python
123 lines
4 KiB
Python
|
"""Unittest for idlelib.WidgetRedirector
|
||
|
|
|
||
|
|
100% coverage
|
||
|
|
"""
|
||
|
|
from test.support import requires
|
||
|
|
import unittest
|
||
|
|
from idlelib.idle_test.mock_idle import Func
|
||
|
|
from tkinter import Tk, Text, TclError
|
||
|
|
from idlelib.WidgetRedirector import WidgetRedirector
|
||
|
|
|
||
|
|
|
||
|
|
class InitCloseTest(unittest.TestCase):
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def setUpClass(cls):
|
||
|
|
requires('gui')
|
||
|
|
cls.tk = Tk()
|
||
|
|
cls.text = Text(cls.tk)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def tearDownClass(cls):
|
||
|
|
cls.text.destroy()
|
||
|
|
cls.tk.destroy()
|
||
|
|
del cls.text, cls.tk
|
||
|
|
|
||
|
|
def test_init(self):
|
||
|
|
redir = WidgetRedirector(self.text)
|
||
|
|
self.assertEqual(redir.widget, self.text)
|
||
|
|
self.assertEqual(redir.tk, self.text.tk)
|
||
|
|
self.assertRaises(TclError, WidgetRedirector, self.text)
|
||
|
|
redir.close() # restore self.tk, self.text
|
||
|
|
|
||
|
|
def test_close(self):
|
||
|
|
redir = WidgetRedirector(self.text)
|
||
|
|
redir.register('insert', Func)
|
||
|
|
redir.close()
|
||
|
|
self.assertEqual(redir._operations, {})
|
||
|
|
self.assertFalse(hasattr(self.text, 'widget'))
|
||
|
|
|
||
|
|
|
||
|
|
class WidgetRedirectorTest(unittest.TestCase):
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def setUpClass(cls):
|
||
|
|
requires('gui')
|
||
|
|
cls.tk = Tk()
|
||
|
|
cls.text = Text(cls.tk)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def tearDownClass(cls):
|
||
|
|
cls.text.destroy()
|
||
|
|
cls.tk.destroy()
|
||
|
|
del cls.text, cls.tk
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
self.redir = WidgetRedirector(self.text)
|
||
|
|
self.func = Func()
|
||
|
|
self.orig_insert = self.redir.register('insert', self.func)
|
||
|
|
self.text.insert('insert', 'asdf') # leaves self.text empty
|
||
|
|
|
||
|
|
def tearDown(self):
|
||
|
|
self.text.delete('1.0', 'end')
|
||
|
|
self.redir.close()
|
||
|
|
|
||
|
|
def test_repr(self): # partly for 100% coverage
|
||
|
|
self.assertIn('Redirector', repr(self.redir))
|
||
|
|
self.assertIn('Original', repr(self.orig_insert))
|
||
|
|
|
||
|
|
def test_register(self):
|
||
|
|
self.assertEqual(self.text.get('1.0', 'end'), '\n')
|
||
|
|
self.assertEqual(self.func.args, ('insert', 'asdf'))
|
||
|
|
self.assertIn('insert', self.redir._operations)
|
||
|
|
self.assertIn('insert', self.text.__dict__)
|
||
|
|
self.assertEqual(self.text.insert, self.func)
|
||
|
|
|
||
|
|
def test_original_command(self):
|
||
|
|
self.assertEqual(self.orig_insert.operation, 'insert')
|
||
|
|
self.assertEqual(self.orig_insert.tk_call, self.text.tk.call)
|
||
|
|
self.orig_insert('insert', 'asdf')
|
||
|
|
self.assertEqual(self.text.get('1.0', 'end'), 'asdf\n')
|
||
|
|
|
||
|
|
def test_unregister(self):
|
||
|
|
self.assertIsNone(self.redir.unregister('invalid operation name'))
|
||
|
|
self.assertEqual(self.redir.unregister('insert'), self.func)
|
||
|
|
self.assertNotIn('insert', self.redir._operations)
|
||
|
|
self.assertNotIn('insert', self.text.__dict__)
|
||
|
|
|
||
|
|
def test_unregister_no_attribute(self):
|
||
|
|
del self.text.insert
|
||
|
|
self.assertEqual(self.redir.unregister('insert'), self.func)
|
||
|
|
|
||
|
|
def test_dispatch_intercept(self):
|
||
|
|
self.func.__init__(True)
|
||
|
|
self.assertTrue(self.redir.dispatch('insert', False))
|
||
|
|
self.assertFalse(self.func.args[0])
|
||
|
|
|
||
|
|
def test_dispatch_bypass(self):
|
||
|
|
self.orig_insert('insert', 'asdf')
|
||
|
|
# tk.call returns '' where Python would return None
|
||
|
|
self.assertEqual(self.redir.dispatch('delete', '1.0', 'end'), '')
|
||
|
|
self.assertEqual(self.text.get('1.0', 'end'), '\n')
|
||
|
|
|
||
|
|
def test_dispatch_error(self):
|
||
|
|
self.func.__init__(TclError())
|
||
|
|
self.assertEqual(self.redir.dispatch('insert', False), '')
|
||
|
|
self.assertEqual(self.redir.dispatch('invalid'), '')
|
||
|
|
|
||
|
|
def test_command_dispatch(self):
|
||
|
|
# Test that .__init__ causes redirection of tk calls
|
||
|
|
# through redir.dispatch
|
||
|
|
self.tk.call(self.text._w, 'insert', 'hello')
|
||
|
|
self.assertEqual(self.func.args, ('hello',))
|
||
|
|
self.assertEqual(self.text.get('1.0', 'end'), '\n')
|
||
|
|
# Ensure that called through redir .dispatch and not through
|
||
|
|
# self.text.insert by having mock raise TclError.
|
||
|
|
self.func.__init__(TclError())
|
||
|
|
self.assertEqual(self.tk.call(self.text._w, 'insert', 'boo'), '')
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
unittest.main(verbosity=2)
|