"Test zoomheight, coverage 66%." # Some code is system dependent. from idlelib import zoomheight import unittest from test.support import requires from tkinter import Tk from idlelib.editor import EditorWindow class Test(unittest.TestCase): @classmethod def setUpClass(cls): requires('gui') cls.root = Tk() cls.root.withdraw() cls.editwin = EditorWindow(root=cls.root) @classmethod def tearDownClass(cls): cls.editwin._close() cls.root.update_idletasks() for id in cls.root.tk.call('after', 'info'): cls.root.after_cancel(id) # Need for EditorWindow. cls.root.destroy() del cls.root def test_init(self): zoom = zoomheight.ZoomHeight(self.editwin) self.assertIs(zoom.editwin, self.editwin) def test_zoom_height_event(self): zoom = zoomheight.ZoomHeight(self.editwin) zoom.zoom_height_event() if __name__ == '__main__': unittest.main(verbosity=2)