test_widgets.py 文件源码

def test_invoke(self):
        success = []
        def cb_test():
            success.append(1)
            return "cb test called"

        myvar = Tkinter.IntVar()
        cbtn = ttk.Radiobutton(command=cb_test, variable=myvar, value=0)
        cbtn2 = ttk.Radiobutton(command=cb_test, variable=myvar, value=1)

        res = cbtn.invoke()
        self.assertEqual(res, "cb test called")
        self.assertEqual(cbtn['value'], myvar.get())
        self.assertEqual(myvar.get(),
            cbtn.tk.globalgetvar(cbtn['variable']))
        self.assertTrue(success)

        cbtn2['command'] = ''
        res = cbtn2.invoke()
        self.assertEqual(res, '')
        self.assertFalse(len(success) > 1)
        self.assertEqual(cbtn2['value'], myvar.get())
        self.assertEqual(myvar.get(),
            cbtn.tk.globalgetvar(cbtn['variable']))

        self.assertEqual(str(cbtn['variable']), str(cbtn2['variable']))