test_widgets.py 文件源码

def test_insert(self):
        # moving tabs
        tabs = self.nb.tabs()
        self.nb.insert(1, tabs[0])
        self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
        self.nb.insert(self.child1, self.child2)
        self.assertEqual(self.nb.tabs(), tabs)
        self.nb.insert('end', self.child1)
        self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
        self.nb.insert('end', 0)
        self.assertEqual(self.nb.tabs(), tabs)
        # bad moves
        self.assertRaises(tkinter.TclError, self.nb.insert, 2, tabs[0])
        self.assertRaises(tkinter.TclError, self.nb.insert, -1, tabs[0])

        # new tab
        child3 = ttk.Label(self.root)
        self.nb.insert(1, child3)
        self.assertEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
        self.nb.forget(child3)
        self.assertEqual(self.nb.tabs(), tabs)
        self.nb.insert(self.child1, child3)
        self.assertEqual(self.nb.tabs(), (str(child3), ) + tabs)
        self.nb.forget(child3)
        self.assertRaises(tkinter.TclError, self.nb.insert, 2, child3)
        self.assertRaises(tkinter.TclError, self.nb.insert, -1, child3)

        # bad inserts
        self.assertRaises(tkinter.TclError, self.nb.insert, 'end', None)
        self.assertRaises(tkinter.TclError, self.nb.insert, None, 0)
        self.assertRaises(tkinter.TclError, self.nb.insert, None, None)