How to use redir method in fMBT

Best Python code snippet using fMBT_python

test_redirector.py

Source:test_redirector.py

1"Test redirector, coverage 100%."2from idlelib.redirector import WidgetRedirector3import unittest4from test.support import requires5from tkinter import Tk, Text, TclError6from idlelib.idle_test.mock_idle import Func7class InitCloseTest(unittest.TestCase):8    @classmethod9    def setUpClass(cls):10        requires('gui')11        cls.root = Tk()12        cls.root.withdraw()13        cls.text = Text(cls.root)14    @classmethod15    def tearDownClass(cls):16        del cls.text17        cls.root.destroy()18        del cls.root19    def test_init(self):20        redir = WidgetRedirector(self.text)21        self.assertEqual(redir.widget, self.text)22        self.assertEqual(redir.tk, self.text.tk)23        self.assertRaises(TclError, WidgetRedirector, self.text)24        redir.close()  # restore self.tk, self.text25    def test_close(self):26        redir = WidgetRedirector(self.text)27        redir.register('insert', Func)28        redir.close()29        self.assertEqual(redir._operations, {})30        self.assertFalse(hasattr(self.text, 'widget'))31class WidgetRedirectorTest(unittest.TestCase):32    @classmethod33    def setUpClass(cls):34        requires('gui')35        cls.root = Tk()36        cls.root.withdraw()37        cls.text = Text(cls.root)38    @classmethod39    def tearDownClass(cls):40        del cls.text41        cls.root.update_idletasks()42        cls.root.destroy()43        del cls.root44    def setUp(self):45        self.redir = WidgetRedirector(self.text)46        self.func = Func()47        self.orig_insert = self.redir.register('insert', self.func)48        self.text.insert('insert', 'asdf')  # leaves self.text empty49    def tearDown(self):50        self.text.delete('1.0', 'end')51        self.redir.close()52    def test_repr(self):  # partly for 100% coverage53        self.assertIn('Redirector', repr(self.redir))54        self.assertIn('Original', repr(self.orig_insert))55    def test_register(self):56        self.assertEqual(self.text.get('1.0', 'end'), '\n')57        self.assertEqual(self.func.args, ('insert', 'asdf'))58        self.assertIn('insert', self.redir._operations)59        self.assertIn('insert', self.text.__dict__)60        self.assertEqual(self.text.insert, self.func)61    def test_original_command(self):62        self.assertEqual(self.orig_insert.operation, 'insert')63        self.assertEqual(self.orig_insert.tk_call, self.text.tk.call)64        self.orig_insert('insert', 'asdf')65        self.assertEqual(self.text.get('1.0', 'end'), 'asdf\n')66    def test_unregister(self):67        self.assertIsNone(self.redir.unregister('invalid operation name'))68        self.assertEqual(self.redir.unregister('insert'), self.func)69        self.assertNotIn('insert', self.redir._operations)70        self.assertNotIn('insert', self.text.__dict__)71    def test_unregister_no_attribute(self):72        del self.text.insert73        self.assertEqual(self.redir.unregister('insert'), self.func)74    def test_dispatch_intercept(self):75        self.func.__init__(True)76        self.assertTrue(self.redir.dispatch('insert', False))77        self.assertFalse(self.func.args[0])78    def test_dispatch_bypass(self):79        self.orig_insert('insert', 'asdf')80        # tk.call returns '' where Python would return None81        self.assertEqual(self.redir.dispatch('delete', '1.0', 'end'), '')82        self.assertEqual(self.text.get('1.0', 'end'), '\n')83    def test_dispatch_error(self):84        self.func.__init__(TclError())85        self.assertEqual(self.redir.dispatch('insert', False), '')86        self.assertEqual(self.redir.dispatch('invalid'), '')87    def test_command_dispatch(self):88        # Test that .__init__ causes redirection of tk calls89        # through redir.dispatch90        self.root.call(self.text._w, 'insert', 'hello')91        self.assertEqual(self.func.args, ('hello',))92        self.assertEqual(self.text.get('1.0', 'end'), '\n')93        # Ensure that called through redir .dispatch and not through94        # self.text.insert by having mock raise TclError.95        self.func.__init__(TclError())96        self.assertEqual(self.root.call(self.text._w, 'insert', 'boo'), '')97if __name__ == '__main__':...

test_widgetredir.py

Source:test_widgetredir.py

1"""Unittest for idlelib.WidgetRedirector2100% coverage3"""4from test.test_support import requires5import unittest6from idlelib.idle_test.mock_idle import Func7from Tkinter import Tk, Text, TclError8from idlelib.WidgetRedirector import WidgetRedirector9class InitCloseTest(unittest.TestCase):10    @classmethod11    def setUpClass(cls):12        requires('gui')13        cls.tk = Tk()14        cls.text = Text(cls.tk)15    @classmethod16    def tearDownClass(cls):17        cls.text.destroy()18        cls.tk.destroy()19        del cls.text, cls.tk20    def test_init(self):21        redir = WidgetRedirector(self.text)22        self.assertEqual(redir.widget, self.text)23        self.assertEqual(redir.tk, self.text.tk)24        self.assertRaises(TclError, WidgetRedirector, self.text)25        redir.close()  # restore self.tk, self.text26    def test_close(self):27        redir = WidgetRedirector(self.text)28        redir.register('insert', Func)29        redir.close()30        self.assertEqual(redir._operations, {})31        self.assertFalse(hasattr(self.text, 'widget'))32class WidgetRedirectorTest(unittest.TestCase):33    @classmethod34    def setUpClass(cls):35        requires('gui')36        cls.tk = Tk()37        cls.text = Text(cls.tk)38    @classmethod39    def tearDownClass(cls):40        cls.text.destroy()41        cls.tk.destroy()42        del cls.text, cls.tk43    def setUp(self):44        self.redir = WidgetRedirector(self.text)45        self.func = Func()46        self.orig_insert = self.redir.register('insert', self.func)47        self.text.insert('insert', 'asdf')  # leaves self.text empty48    def tearDown(self):49        self.text.delete('1.0', 'end')50        self.redir.close()51    def test_repr(self):  # partly for 100% coverage52        self.assertIn('Redirector', repr(self.redir))53        self.assertIn('Original', repr(self.orig_insert))54    def test_register(self):55        self.assertEqual(self.text.get('1.0', 'end'), '\n')56        self.assertEqual(self.func.args, ('insert', 'asdf'))57        self.assertIn('insert', self.redir._operations)58        self.assertIn('insert', self.text.__dict__)59        self.assertEqual(self.text.insert, self.func)60    def test_original_command(self):61        self.assertEqual(self.orig_insert.operation, 'insert')62        self.assertEqual(self.orig_insert.tk_call, self.text.tk.call)63        self.orig_insert('insert', 'asdf')64        self.assertEqual(self.text.get('1.0', 'end'), 'asdf\n')65    def test_unregister(self):66        self.assertIsNone(self.redir.unregister('invalid operation name'))67        self.assertEqual(self.redir.unregister('insert'), self.func)68        self.assertNotIn('insert', self.redir._operations)69        self.assertNotIn('insert', self.text.__dict__)70    def test_unregister_no_attribute(self):71        del self.text.insert72        self.assertEqual(self.redir.unregister('insert'), self.func)73    def test_dispatch_intercept(self):74        self.func.__init__(True)75        self.assertTrue(self.redir.dispatch('insert', False))76        self.assertFalse(self.func.args[0])77    def test_dispatch_bypass(self):78        self.orig_insert('insert', 'asdf')79        # tk.call returns '' where Python would return None80        self.assertEqual(self.redir.dispatch('delete', '1.0', 'end'), '')81        self.assertEqual(self.text.get('1.0', 'end'), '\n')82    def test_dispatch_error(self):83        self.func.__init__(TclError())84        self.assertEqual(self.redir.dispatch('insert', False), '')85        self.assertEqual(self.redir.dispatch('invalid'), '')86    def test_command_dispatch(self):87        # Test that .__init__ causes redirection of tk calls88        # through redir.dispatch89        self.tk.call(self.text._w, 'insert', 'hello')90        self.assertEqual(self.func.args, ('hello',))91        self.assertEqual(self.text.get('1.0', 'end'), '\n')92        # Ensure that called through redir .dispatch and not through93        # self.text.insert by having mock raise TclError.94        self.func.__init__(TclError())95        self.assertEqual(self.tk.call(self.text._w, 'insert', 'boo'), '')96if __name__ == '__main__':...

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