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Edit File : test_percolator.py \| Size : 3.97 KB
"Test percolator, coverage 100%." from idlelib.percolator import Percolator, Delegator import unittest from test.support import requires requires('gui') from tkinter import Text, Tk, END class MyFilter(Delegator): def __init__(self): Delegator.__init__(self, None) def insert(self, args): self.insert_called_with = args self.delegate.insert(args) def delete(self, args): self.delete_called_with = args self.delegate.delete(args) def uppercase_insert(self, index, chars, tags=None): chars = chars.upper() self.delegate.insert(index, chars) def lowercase_insert(self, index, chars, tags=None): chars = chars.lower() self.delegate.insert(index, chars) def dont_insert(self, index, chars, tags=None): pass class PercolatorTest(unittest.TestCase): @classmethod def setUpClass(cls): cls.root = Tk() cls.text = Text(cls.root) @classmethod def tearDownClass(cls): del cls.text cls.root.destroy() del cls.root def setUp(self): self.percolator = Percolator(self.text) self.filter_one = MyFilter() self.filter_two = MyFilter() self.percolator.insertfilter(self.filter_one) self.percolator.insertfilter(self.filter_two) def tearDown(self): self.percolator.close() self.text.delete('1.0', END) def test_insertfilter(self): self.assertIsNotNone(self.filter_one.delegate) self.assertEqual(self.percolator.top, self.filter_two) self.assertEqual(self.filter_two.delegate, self.filter_one) self.assertEqual(self.filter_one.delegate, self.percolator.bottom) def test_removefilter(self): filter_three = MyFilter() self.percolator.removefilter(self.filter_two) self.assertEqual(self.percolator.top, self.filter_one) self.assertIsNone(self.filter_two.delegate) filter_three = MyFilter() self.percolator.insertfilter(self.filter_two) self.percolator.insertfilter(filter_three) self.percolator.removefilter(self.filter_one) self.assertEqual(self.percolator.top, filter_three) self.assertEqual(filter_three.delegate, self.filter_two) self.assertEqual(self.filter_two.delegate, self.percolator.bottom) self.assertIsNone(self.filter_one.delegate) def test_insert(self): self.text.insert('insert', 'foo') self.assertEqual(self.text.get('1.0', END), 'foo\n') self.assertTupleEqual(self.filter_one.insert_called_with, ('insert', 'foo', None)) def test_modify_insert(self): self.filter_one.insert = self.filter_one.uppercase_insert self.text.insert('insert', 'bAr') self.assertEqual(self.text.get('1.0', END), 'BAR\n') def test_modify_chain_insert(self): filter_three = MyFilter() self.percolator.insertfilter(filter_three) self.filter_two.insert = self.filter_two.uppercase_insert self.filter_one.insert = self.filter_one.lowercase_insert self.text.insert('insert', 'BaR') self.assertEqual(self.text.get('1.0', END), 'bar\n') def test_dont_insert(self): self.filter_one.insert = self.filter_one.dont_insert self.text.insert('insert', 'foo bar') self.assertEqual(self.text.get('1.0', END), '\n') self.filter_one.insert = self.filter_one.dont_insert self.text.insert('insert', 'foo bar') self.assertEqual(self.text.get('1.0', END), '\n') def test_without_filter(self): self.text.insert('insert', 'hello') self.assertEqual(self.text.get('1.0', 'end'), 'hello\n') def test_delete(self): self.text.insert('insert', 'foo') self.text.delete('1.0', '1.2') self.assertEqual(self.text.get('1.0', END), 'o\n') self.assertTupleEqual(self.filter_one.delete_called_with, ('1.0', '1.2')) if __name__ == '__main__': unittest.main(verbosity=2) Back

Edit File : test_percolator.py | Size : 3.97 KB

"Test percolator, coverage 100%."

from idlelib.percolator import Percolator, Delegator
import unittest
from test.support import requires
requires('gui')
from tkinter import Text, Tk, END

class MyFilter(Delegator):
    def __init__(self):
        Delegator.__init__(self, None)

def insert(self, *args):
        self.insert_called_with = args
        self.delegate.insert(*args)

def delete(self, *args):
        self.delete_called_with = args
        self.delegate.delete(*args)

def uppercase_insert(self, index, chars, tags=None):
        chars = chars.upper()
        self.delegate.insert(index, chars)

def lowercase_insert(self, index, chars, tags=None):
        chars = chars.lower()
        self.delegate.insert(index, chars)

def dont_insert(self, index, chars, tags=None):
        pass

class PercolatorTest(unittest.TestCase):

@classmethod
    def setUpClass(cls):
        cls.root = Tk()
        cls.text = Text(cls.root)

@classmethod
    def tearDownClass(cls):
        del cls.text
        cls.root.destroy()
        del cls.root

def setUp(self):
        self.percolator = Percolator(self.text)
        self.filter_one = MyFilter()
        self.filter_two = MyFilter()
        self.percolator.insertfilter(self.filter_one)
        self.percolator.insertfilter(self.filter_two)

def tearDown(self):
        self.percolator.close()
        self.text.delete('1.0', END)

def test_insertfilter(self):
        self.assertIsNotNone(self.filter_one.delegate)
        self.assertEqual(self.percolator.top, self.filter_two)
        self.assertEqual(self.filter_two.delegate, self.filter_one)
        self.assertEqual(self.filter_one.delegate, self.percolator.bottom)

def test_removefilter(self):
        filter_three = MyFilter()
        self.percolator.removefilter(self.filter_two)
        self.assertEqual(self.percolator.top, self.filter_one)
        self.assertIsNone(self.filter_two.delegate)

filter_three = MyFilter()
        self.percolator.insertfilter(self.filter_two)
        self.percolator.insertfilter(filter_three)
        self.percolator.removefilter(self.filter_one)
        self.assertEqual(self.percolator.top, filter_three)
        self.assertEqual(filter_three.delegate, self.filter_two)
        self.assertEqual(self.filter_two.delegate, self.percolator.bottom)
        self.assertIsNone(self.filter_one.delegate)

def test_insert(self):
        self.text.insert('insert', 'foo')
        self.assertEqual(self.text.get('1.0', END), 'foo\n')
        self.assertTupleEqual(self.filter_one.insert_called_with,
                              ('insert', 'foo', None))

def test_modify_insert(self):
        self.filter_one.insert = self.filter_one.uppercase_insert
        self.text.insert('insert', 'bAr')
        self.assertEqual(self.text.get('1.0', END), 'BAR\n')

def test_modify_chain_insert(self):
        filter_three = MyFilter()
        self.percolator.insertfilter(filter_three)
        self.filter_two.insert = self.filter_two.uppercase_insert
        self.filter_one.insert = self.filter_one.lowercase_insert
        self.text.insert('insert', 'BaR')
        self.assertEqual(self.text.get('1.0', END), 'bar\n')

def test_dont_insert(self):
        self.filter_one.insert = self.filter_one.dont_insert
        self.text.insert('insert', 'foo bar')
        self.assertEqual(self.text.get('1.0', END), '\n')
        self.filter_one.insert = self.filter_one.dont_insert
        self.text.insert('insert', 'foo bar')
        self.assertEqual(self.text.get('1.0', END), '\n')

def test_without_filter(self):
        self.text.insert('insert', 'hello')
        self.assertEqual(self.text.get('1.0', 'end'), 'hello\n')

def test_delete(self):
        self.text.insert('insert', 'foo')
        self.text.delete('1.0', '1.2')
        self.assertEqual(self.text.get('1.0', END), 'o\n')
        self.assertTupleEqual(self.filter_one.delete_called_with,
                              ('1.0', '1.2'))

if __name__ == '__main__':
    unittest.main(verbosity=2)

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