name : test_pathbrowser.py import unittest import os import sys import idlelib from idlelib import PathBrowser class PathBrowserTest(unittest.TestCase): def test_DirBrowserTreeItem(self): # Issue16226 - make sure that getting a sublist works d = PathBrowser.DirBrowserTreeItem('') d.GetSubList() self.assertEqual('', d.GetText()) dir = os.path.split(os.path.abspath(idlelib.__file__))[0] self.assertEqual(d.ispackagedir(dir), True) self.assertEqual(d.ispackagedir(dir + '/Icons'), False) def test_PathBrowserTreeItem(self): p = PathBrowser.PathBrowserTreeItem() self.assertEqual(p.GetText(), 'sys.path') sub = p.GetSubList() self.assertEqual(len(sub), len(sys.path)) # Following fails in 2.7 because old-style class #self.assertEqual(type(sub[0]), PathBrowser.DirBrowserTreeItem) if __name__ == '__main__': unittest.main(verbosity=2, exit=False)