mirror of https://github.com/python/cpython
Issue #21939: Test IDLE percolator. Original patch by Saimadhav Heblikar.
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cec95813b2
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092473eef9
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@ -1,6 +1,7 @@
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from idlelib.WidgetRedirector import WidgetRedirector
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from idlelib.WidgetRedirector import WidgetRedirector
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from idlelib.Delegator import Delegator
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from idlelib.Delegator import Delegator
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class Percolator:
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class Percolator:
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def __init__(self, text):
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def __init__(self, text):
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@ -16,8 +17,10 @@ class Percolator:
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while self.top is not self.bottom:
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while self.top is not self.bottom:
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self.removefilter(self.top)
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self.removefilter(self.top)
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self.top = None
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self.top = None
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self.bottom.setdelegate(None); self.bottom = None
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self.bottom.setdelegate(None)
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self.redir.close(); self.redir = None
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self.bottom = None
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self.redir.close()
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self.redir = None
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self.text = None
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self.text = None
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def insert(self, index, chars, tags=None):
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def insert(self, index, chars, tags=None):
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@ -51,54 +54,52 @@ class Percolator:
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f.setdelegate(filter.delegate)
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f.setdelegate(filter.delegate)
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filter.setdelegate(None)
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filter.setdelegate(None)
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def _percolator(parent):
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def _percolator(parent): # htest #
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import tkinter as tk
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import tkinter as tk
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import re
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import re
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class Tracer(Delegator):
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class Tracer(Delegator):
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def __init__(self, name):
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def __init__(self, name):
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self.name = name
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self.name = name
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Delegator.__init__(self, None)
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Delegator.__init__(self, None)
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def insert(self, *args):
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def insert(self, *args):
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print(self.name, ": insert", args)
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print(self.name, ": insert", args)
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self.delegate.insert(*args)
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self.delegate.insert(*args)
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def delete(self, *args):
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def delete(self, *args):
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print(self.name, ": delete", args)
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print(self.name, ": delete", args)
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self.delegate.delete(*args)
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self.delegate.delete(*args)
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root = tk.Tk()
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root.title("Test Percolator")
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box = tk.Toplevel(parent)
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box.title("Test Percolator")
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width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
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width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
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root.geometry("+%d+%d"%(x, y + 150))
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box.geometry("+%d+%d" % (x, y + 150))
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text = tk.Text(root)
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text = tk.Text(box)
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p = Percolator(text)
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p = Percolator(text)
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pin = p.insertfilter
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pout = p.removefilter
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t1 = Tracer("t1")
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t1 = Tracer("t1")
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t2 = Tracer("t2")
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t2 = Tracer("t2")
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def toggle1():
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def toggle1():
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if var1.get() == 0:
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(pin if var1.get() else pout)(t1)
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var1.set(1)
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p.insertfilter(t1)
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elif var1.get() == 1:
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var1.set(0)
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p.removefilter(t1)
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def toggle2():
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def toggle2():
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if var2.get() == 0:
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(pin if var2.get() else pout)(t2)
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var2.set(1)
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p.insertfilter(t2)
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elif var2.get() == 1:
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var2.set(0)
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p.removefilter(t2)
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text.pack()
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text.pack()
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var1 = tk.IntVar()
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var1 = tk.IntVar()
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cb1 = tk.Checkbutton(root, text="Tracer1", command=toggle1, variable=var1)
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cb1 = tk.Checkbutton(box, text="Tracer1", command=toggle1, variable=var1)
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cb1.pack()
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cb1.pack()
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var2 = tk.IntVar()
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var2 = tk.IntVar()
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cb2 = tk.Checkbutton(root, text="Tracer2", command=toggle2, variable=var2)
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cb2 = tk.Checkbutton(box, text="Tracer2", command=toggle2, variable=var2)
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cb2.pack()
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cb2.pack()
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root.mainloop()
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if __name__ == "__main__":
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if __name__ == "__main__":
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import unittest
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unittest.main('idlelib.idle_test.test_percolator', verbosity=2,
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exit=False)
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from idlelib.idle_test.htest import run
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from idlelib.idle_test.htest import run
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run(_percolator)
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run(_percolator)
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@ -1,10 +1,11 @@
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"""Test idlelib.ParenMatch."""
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"""Test idlelib.ParenMatch."""
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# This must currently be a gui test because ParenMatch methods use
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# This must currently be a gui test because ParenMatch methods use
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# several text methods not defined on idlelib.idle_test.mock_tk.Text.
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# several text methods not defined on idlelib.idle_test.mock_tk.Text.
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from test.support import requires
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requires('gui')
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import unittest
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import unittest
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from unittest.mock import Mock
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from unittest.mock import Mock
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from test.support import requires
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from tkinter import Tk, Text
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from tkinter import Tk, Text
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from idlelib.ParenMatch import ParenMatch
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from idlelib.ParenMatch import ParenMatch
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@ -20,7 +21,6 @@ class ParenMatchTest(unittest.TestCase):
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@classmethod
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@classmethod
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def setUpClass(cls):
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def setUpClass(cls):
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requires('gui')
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cls.root = Tk()
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cls.root = Tk()
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cls.text = Text(cls.root)
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cls.text = Text(cls.root)
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cls.editwin = DummyEditwin(cls.text)
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cls.editwin = DummyEditwin(cls.text)
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@ -0,0 +1,118 @@
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'''Test Percolator'''
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from test.support import requires
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requires('gui')
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import unittest
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from tkinter import Text, Tk, END
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from idlelib.Percolator import Percolator, Delegator
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class MyFilter(Delegator):
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def __init__(self):
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Delegator.__init__(self, None)
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def insert(self, *args):
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self.insert_called_with = args
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self.delegate.insert(*args)
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def delete(self, *args):
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self.delete_called_with = args
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self.delegate.delete(*args)
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def uppercase_insert(self, index, chars, tags=None):
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chars = chars.upper()
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self.delegate.insert(index, chars)
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def lowercase_insert(self, index, chars, tags=None):
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chars = chars.lower()
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self.delegate.insert(index, chars)
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def dont_insert(self, index, chars, tags=None):
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pass
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class PercolatorTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.root = Tk()
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cls.text = Text(cls.root)
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@classmethod
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def tearDownClass(cls):
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cls.text.destroy()
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cls.root.destroy()
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del cls.text, cls.root
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def setUp(self):
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self.percolator = Percolator(self.text)
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self.filter_one = MyFilter()
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self.filter_two = MyFilter()
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self.percolator.insertfilter(self.filter_one)
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self.percolator.insertfilter(self.filter_two)
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def tearDown(self):
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self.percolator.close()
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self.text.delete('1.0', END)
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def test_insertfilter(self):
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self.assertIsNotNone(self.filter_one.delegate)
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self.assertEqual(self.percolator.top, self.filter_two)
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self.assertEqual(self.filter_two.delegate, self.filter_one)
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self.assertEqual(self.filter_one.delegate, self.percolator.bottom)
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def test_removefilter(self):
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filter_three = MyFilter()
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self.percolator.removefilter(self.filter_two)
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self.assertEqual(self.percolator.top, self.filter_one)
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self.assertIsNone(self.filter_two.delegate)
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filter_three = MyFilter()
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self.percolator.insertfilter(self.filter_two)
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self.percolator.insertfilter(filter_three)
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self.percolator.removefilter(self.filter_one)
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self.assertEqual(self.percolator.top, filter_three)
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self.assertEqual(filter_three.delegate, self.filter_two)
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self.assertEqual(self.filter_two.delegate, self.percolator.bottom)
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self.assertIsNone(self.filter_one.delegate)
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def test_insert(self):
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self.text.insert('insert', 'foo')
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self.assertEqual(self.text.get('1.0', END), 'foo\n')
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self.assertTupleEqual(self.filter_one.insert_called_with,
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('insert', 'foo', None))
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def test_modify_insert(self):
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self.filter_one.insert = self.filter_one.uppercase_insert
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self.text.insert('insert', 'bAr')
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self.assertEqual(self.text.get('1.0', END), 'BAR\n')
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def test_modify_chain_insert(self):
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filter_three = MyFilter()
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self.percolator.insertfilter(filter_three)
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self.filter_two.insert = self.filter_two.uppercase_insert
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self.filter_one.insert = self.filter_one.lowercase_insert
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self.text.insert('insert', 'BaR')
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self.assertEqual(self.text.get('1.0', END), 'bar\n')
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def test_dont_insert(self):
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self.filter_one.insert = self.filter_one.dont_insert
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self.text.insert('insert', 'foo bar')
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self.assertEqual(self.text.get('1.0', END), '\n')
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self.filter_one.insert = self.filter_one.dont_insert
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self.text.insert('insert', 'foo bar')
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self.assertEqual(self.text.get('1.0', END), '\n')
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def test_without_filter(self):
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self.text.insert('insert', 'hello')
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self.assertEqual(self.text.get('1.0', 'end'), 'hello\n')
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def test_delete(self):
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self.text.insert('insert', 'foo')
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self.text.delete('1.0', '1.2')
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self.assertEqual(self.text.get('1.0', END), 'o\n')
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self.assertTupleEqual(self.filter_one.delete_called_with,
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('1.0', '1.2'))
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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