| "Test multicall, coverage 33%." |
| |
| from idlelib import multicall |
| import unittest |
| from test.support import requires |
| from tkinter import Tk, Text |
| |
| |
| class MultiCallTest(unittest.TestCase): |
| |
| @classmethod |
| def setUpClass(cls): |
| requires('gui') |
| cls.root = Tk() |
| cls.root.withdraw() |
| cls.mc = multicall.MultiCallCreator(Text) |
| |
| @classmethod |
| def tearDownClass(cls): |
| del cls.mc |
| cls.root.update_idletasks() |
| ## for id in cls.root.after_info(): |
| ## cls.root.after_cancel(id) # Need for EditorWindow. |
| cls.root.destroy() |
| del cls.root |
| |
| def test_creator(self): |
| mc = self.mc |
| self.assertIs(multicall._multicall_dict[Text], mc) |
| self.assertIsSubclass(mc, Text) |
| mc2 = multicall.MultiCallCreator(Text) |
| self.assertIs(mc, mc2) |
| |
| def test_init(self): |
| mctext = self.mc(self.root) |
| self.assertIsInstance(mctext._MultiCall__binders, list) |
| |
| def test_yview(self): |
| # Added for tree.wheel_event |
| # (it depends on yview to not be overridden) |
| mc = self.mc |
| self.assertIs(mc.yview, Text.yview) |
| mctext = self.mc(self.root) |
| self.assertIs(mctext.yview.__func__, Text.yview) |
| |
| def test_event_delete_unbound_sequence(self): |
| # gh-89360: deleting a sequence that was not added to a virtual |
| # event is ignored instead of raising ValueError. |
| mctext = self.mc(self.root) |
| mctext.event_add('<<tester>>', '<Control-Key-a>') |
| info = mctext.event_info('<<tester>>') |
| self.assertEqual(len(info), 1) |
| |
| # A different sequence, never added: a no-op, not an error. |
| mctext.event_delete('<<tester>>', '<Control-Key-b>') |
| self.assertEqual(mctext.event_info('<<tester>>'), info) |
| |
| # The added sequence can still be deleted normally. |
| mctext.event_delete('<<tester>>', '<Control-Key-a>') |
| self.assertNotIn(info[0], mctext.event_info('<<tester>>')) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |
