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      1 "Test pathbrowser, coverage 95%."
      2 
      3 from idlelib import pathbrowser
      4 import unittest
      5 from test.support import requires
      6 from tkinter import Tk
      7 
      8 import os.path
      9 import pyclbr  # for _modules
     10 import sys  # for sys.path
     11 
     12 from idlelib.idle_test.mock_idle import Func
     13 import idlelib  # for __file__
     14 from idlelib import browser
     15 from idlelib.tree import TreeNode
     16 
     17 
     18 class PathBrowserTest(unittest.TestCase):
     19 
     20     @classmethod
     21     def setUpClass(cls):
     22         requires('gui')
     23         cls.root = Tk()
     24         cls.root.withdraw()
     25         cls.pb = pathbrowser.PathBrowser(cls.root, _utest=True)
     26 
     27     @classmethod
     28     def tearDownClass(cls):
     29         cls.pb.close()
     30         cls.root.update_idletasks()
     31         cls.root.destroy()
     32         del cls.root, cls.pb
     33 
     34     def test_init(self):
     35         pb = self.pb
     36         eq = self.assertEqual
     37         eq(pb.master, self.root)
     38         eq(pyclbr._modules, {})
     39         self.assertIsInstance(pb.node, TreeNode)
     40         self.assertIsNotNone(browser.file_open)
     41 
     42     def test_settitle(self):
     43         pb = self.pb
     44         self.assertEqual(pb.top.title(), 'Path Browser')
     45         self.assertEqual(pb.top.iconname(), 'Path Browser')
     46 
     47     def test_rootnode(self):
     48         pb = self.pb
     49         rn = pb.rootnode()
     50         self.assertIsInstance(rn, pathbrowser.PathBrowserTreeItem)
     51 
     52     def test_close(self):
     53         pb = self.pb
     54         pb.top.destroy = Func()
     55         pb.node.destroy = Func()
     56         pb.close()
     57         self.assertTrue(pb.top.destroy.called)
     58         self.assertTrue(pb.node.destroy.called)
     59         del pb.top.destroy, pb.node.destroy
     60 
     61 
     62 class DirBrowserTreeItemTest(unittest.TestCase):
     63 
     64     def test_DirBrowserTreeItem(self):
     65         # Issue16226 - make sure that getting a sublist works
     66         d = pathbrowser.DirBrowserTreeItem('')
     67         d.GetSubList()
     68         self.assertEqual('', d.GetText())
     69 
     70         dir = os.path.split(os.path.abspath(idlelib.__file__))[0]
     71         self.assertEqual(d.ispackagedir(dir), True)
     72         self.assertEqual(d.ispackagedir(dir + '/Icons'), False)
     73 
     74 
     75 class PathBrowserTreeItemTest(unittest.TestCase):
     76 
     77     def test_PathBrowserTreeItem(self):
     78         p = pathbrowser.PathBrowserTreeItem()
     79         self.assertEqual(p.GetText(), 'sys.path')
     80         sub = p.GetSubList()
     81         self.assertEqual(len(sub), len(sys.path))
     82         self.assertEqual(type(sub[0]), pathbrowser.DirBrowserTreeItem)
     83 
     84 
     85 if __name__ == '__main__':
     86     unittest.main(verbosity=2, exit=False)
     87