| 1 | n/a | '''Test percolator.py.''' |
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| 2 | n/a | from test.support import requires |
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| 3 | n/a | requires('gui') |
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| 4 | n/a | |
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| 5 | n/a | import unittest |
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| 6 | n/a | from tkinter import Text, Tk, END |
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| 7 | n/a | from idlelib.percolator import Percolator, Delegator |
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| 8 | n/a | |
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| 9 | n/a | |
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| 10 | n/a | class MyFilter(Delegator): |
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| 11 | n/a | def __init__(self): |
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| 12 | n/a | Delegator.__init__(self, None) |
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| 13 | n/a | |
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| 14 | n/a | def insert(self, *args): |
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| 15 | n/a | self.insert_called_with = args |
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| 16 | n/a | self.delegate.insert(*args) |
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| 17 | n/a | |
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| 18 | n/a | def delete(self, *args): |
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| 19 | n/a | self.delete_called_with = args |
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| 20 | n/a | self.delegate.delete(*args) |
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| 21 | n/a | |
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| 22 | n/a | def uppercase_insert(self, index, chars, tags=None): |
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| 23 | n/a | chars = chars.upper() |
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| 24 | n/a | self.delegate.insert(index, chars) |
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| 25 | n/a | |
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| 26 | n/a | def lowercase_insert(self, index, chars, tags=None): |
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| 27 | n/a | chars = chars.lower() |
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| 28 | n/a | self.delegate.insert(index, chars) |
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| 29 | n/a | |
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| 30 | n/a | def dont_insert(self, index, chars, tags=None): |
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| 31 | n/a | pass |
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| 32 | n/a | |
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| 33 | n/a | |
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| 34 | n/a | class PercolatorTest(unittest.TestCase): |
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| 35 | n/a | |
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| 36 | n/a | @classmethod |
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| 37 | n/a | def setUpClass(cls): |
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| 38 | n/a | cls.root = Tk() |
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| 39 | n/a | cls.text = Text(cls.root) |
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| 40 | n/a | |
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| 41 | n/a | @classmethod |
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| 42 | n/a | def tearDownClass(cls): |
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| 43 | n/a | del cls.text |
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| 44 | n/a | cls.root.destroy() |
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| 45 | n/a | del cls.root |
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| 46 | n/a | |
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| 47 | n/a | def setUp(self): |
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| 48 | n/a | self.percolator = Percolator(self.text) |
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| 49 | n/a | self.filter_one = MyFilter() |
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| 50 | n/a | self.filter_two = MyFilter() |
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| 51 | n/a | self.percolator.insertfilter(self.filter_one) |
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| 52 | n/a | self.percolator.insertfilter(self.filter_two) |
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| 53 | n/a | |
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| 54 | n/a | def tearDown(self): |
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| 55 | n/a | self.percolator.close() |
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| 56 | n/a | self.text.delete('1.0', END) |
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| 57 | n/a | |
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| 58 | n/a | def test_insertfilter(self): |
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| 59 | n/a | self.assertIsNotNone(self.filter_one.delegate) |
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| 60 | n/a | self.assertEqual(self.percolator.top, self.filter_two) |
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| 61 | n/a | self.assertEqual(self.filter_two.delegate, self.filter_one) |
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| 62 | n/a | self.assertEqual(self.filter_one.delegate, self.percolator.bottom) |
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| 63 | n/a | |
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| 64 | n/a | def test_removefilter(self): |
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| 65 | n/a | filter_three = MyFilter() |
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| 66 | n/a | self.percolator.removefilter(self.filter_two) |
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| 67 | n/a | self.assertEqual(self.percolator.top, self.filter_one) |
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| 68 | n/a | self.assertIsNone(self.filter_two.delegate) |
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| 69 | n/a | |
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| 70 | n/a | filter_three = MyFilter() |
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| 71 | n/a | self.percolator.insertfilter(self.filter_two) |
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| 72 | n/a | self.percolator.insertfilter(filter_three) |
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| 73 | n/a | self.percolator.removefilter(self.filter_one) |
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| 74 | n/a | self.assertEqual(self.percolator.top, filter_three) |
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| 75 | n/a | self.assertEqual(filter_three.delegate, self.filter_two) |
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| 76 | n/a | self.assertEqual(self.filter_two.delegate, self.percolator.bottom) |
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| 77 | n/a | self.assertIsNone(self.filter_one.delegate) |
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| 78 | n/a | |
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| 79 | n/a | def test_insert(self): |
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| 80 | n/a | self.text.insert('insert', 'foo') |
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| 81 | n/a | self.assertEqual(self.text.get('1.0', END), 'foo\n') |
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| 82 | n/a | self.assertTupleEqual(self.filter_one.insert_called_with, |
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| 83 | n/a | ('insert', 'foo', None)) |
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| 84 | n/a | |
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| 85 | n/a | def test_modify_insert(self): |
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| 86 | n/a | self.filter_one.insert = self.filter_one.uppercase_insert |
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| 87 | n/a | self.text.insert('insert', 'bAr') |
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| 88 | n/a | self.assertEqual(self.text.get('1.0', END), 'BAR\n') |
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| 89 | n/a | |
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| 90 | n/a | def test_modify_chain_insert(self): |
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| 91 | n/a | filter_three = MyFilter() |
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| 92 | n/a | self.percolator.insertfilter(filter_three) |
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| 93 | n/a | self.filter_two.insert = self.filter_two.uppercase_insert |
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| 94 | n/a | self.filter_one.insert = self.filter_one.lowercase_insert |
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| 95 | n/a | self.text.insert('insert', 'BaR') |
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| 96 | n/a | self.assertEqual(self.text.get('1.0', END), 'bar\n') |
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| 97 | n/a | |
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| 98 | n/a | def test_dont_insert(self): |
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| 99 | n/a | self.filter_one.insert = self.filter_one.dont_insert |
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| 100 | n/a | self.text.insert('insert', 'foo bar') |
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| 101 | n/a | self.assertEqual(self.text.get('1.0', END), '\n') |
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| 102 | n/a | self.filter_one.insert = self.filter_one.dont_insert |
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| 103 | n/a | self.text.insert('insert', 'foo bar') |
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| 104 | n/a | self.assertEqual(self.text.get('1.0', END), '\n') |
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| 105 | n/a | |
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| 106 | n/a | def test_without_filter(self): |
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| 107 | n/a | self.text.insert('insert', 'hello') |
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| 108 | n/a | self.assertEqual(self.text.get('1.0', 'end'), 'hello\n') |
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| 109 | n/a | |
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| 110 | n/a | def test_delete(self): |
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| 111 | n/a | self.text.insert('insert', 'foo') |
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| 112 | n/a | self.text.delete('1.0', '1.2') |
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| 113 | n/a | self.assertEqual(self.text.get('1.0', END), 'o\n') |
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| 114 | n/a | self.assertTupleEqual(self.filter_one.delete_called_with, |
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| 115 | n/a | ('1.0', '1.2')) |
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| 116 | n/a | |
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| 117 | n/a | if __name__ == '__main__': |
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| 118 | n/a | unittest.main(verbosity=2) |
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