KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

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__':...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.