1 "Test stackviewer, coverage 63%." 2 3 from idlelib import stackviewer 4 import unittest 5 from test.support import requires 6 from tkinter import Tk 7 8 from idlelib.tree import TreeNode, ScrolledCanvas 9 import sys 10 11 12 class StackBrowserTest(unittest.TestCase): 13 14 @classmethod 15 def setUpClass(cls): 16 svs = stackviewer.sys 17 try: 18 abc 19 except NameError: 20 svs.last_type, svs.last_value, svs.last_traceback = ( 21 sys.exc_info()) 22 23 requires('gui') 24 cls.root = Tk() 25 cls.root.withdraw() 26 27 @classmethod 28 def tearDownClass(cls): 29 svs = stackviewer.sys 30 del svs.last_traceback, svs.last_type, svs.last_value 31 32 cls.root.update_idletasks() 33 ## for id in cls.root.tk.call('after', 'info'): 34 ## cls.root.after_cancel(id) # Need for EditorWindow. 35 cls.root.destroy() 36 del cls.root 37 38 def test_init(self): 39 sb = stackviewer.StackBrowser(self.root) 40 isi = self.assertIsInstance 41 isi(stackviewer.sc, ScrolledCanvas) 42 isi(stackviewer.item, stackviewer.StackTreeItem) 43 isi(stackviewer.node, TreeNode) 44 45 46 if __name__ == '__main__': 47 unittest.main(verbosity=2) 48