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''' Test idlelib.tree.
Coverage: 56%
'''
from idlelib import tree
from test.support import requires
requires('gui')
import os
import unittest
from tkinter import Tk
class TreeTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
def test_init(self):
# Start with code slightly adapted from htest.
sc = tree.ScrolledCanvas(
self.root, bg="white", highlightthickness=0, takefocus=1)
sc.frame.pack(expand=1, fill="both", side='left')
item = tree.FileTreeItem(tree.ICONDIR)
node = tree.TreeNode(sc.canvas, None, item)
node.expand()
if __name__ == '__main__':
unittest.main(verbosity=2)
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