/usr/lib/python2.7/dist-packages/traits/tests/test_list_events.py is in python-traits 4.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | #------------------------------------------------------------------------------
#
# Copyright (c) 2014, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in /LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
#
#------------------------------------------------------------------------------
"""
Tests for List items_changed events.
"""
from __future__ import absolute_import
from traits.testing.unittest_tools import unittest
from ..api import HasTraits, Int, List
class MyClass(HasTraits):
l = List(Int, [1, 2, 3])
l_events = List
def _l_items_changed(self, event):
self.l_events.append(event)
class ListEventTestCase(unittest.TestCase):
def test_initialization(self):
# Just creating an instance of MyClass shouldn't cause
# the items_changed handler to fire.
foo = MyClass()
self.assertEqual(foo.l, [1, 2, 3])
self.assertEqual(len(foo.l_events), 0)
def test_append(self):
foo = MyClass()
foo.l.append(4)
self.assertEqual(foo.l, [1, 2, 3, 4])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [4])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 3)
def test_extend(self):
foo = MyClass()
foo.l.extend([4, 5, 6])
self.assertEqual(foo.l, [1, 2, 3, 4, 5, 6])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [4, 5, 6])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 3)
def test_extend_via_inplace_addition(self):
foo = MyClass()
foo.l += [4, 5, 6]
self.assertEqual(foo.l, [1, 2, 3, 4, 5, 6])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [4, 5, 6])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 3)
def test_insert(self):
foo = MyClass()
foo.l.insert(1, 99)
self.assertEqual(foo.l, [1, 99, 2, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [99])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 1)
def test_insert_with_negative_argument(self):
foo = MyClass()
foo.l.insert(-1, 99)
self.assertEqual(foo.l, [1, 2, 99, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [99])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 2)
def test_insert_index_invariants(self):
# Note that Python's list.insert allows indices outside
# the range [-len(my_list), len(my_list)].
for index in range(-10, 10):
foo = MyClass()
foo.l.insert(index, 1729)
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [1729])
self.assertEqual(event.removed, [])
self.assertGreaterEqual(event.index, 0)
self.assertEqual(foo.l[event.index], 1729)
def test_pop_with_no_argument(self):
foo = MyClass()
item = foo.l.pop()
self.assertEqual(item, 3)
self.assertEqual(foo.l, [1, 2])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [])
self.assertEqual(event.removed, [3])
self.assertEqual(event.index, 2)
def test_pop(self):
foo = MyClass()
item = foo.l.pop(0)
self.assertEqual(item, 1)
self.assertEqual(foo.l, [2, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [])
self.assertEqual(event.removed, [1])
self.assertEqual(event.index, 0)
def test_pop_with_negative_argument(self):
foo = MyClass()
item = foo.l.pop(-2)
self.assertEqual(item, 2)
self.assertEqual(foo.l, [1, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [])
self.assertEqual(event.removed, [2])
self.assertEqual(event.index, 1)
def test_pop_out_of_range(self):
foo = MyClass()
with self.assertRaises(IndexError):
foo.l.pop(-4)
with self.assertRaises(IndexError):
foo.l.pop(3)
self.assertEqual(foo.l, [1, 2, 3])
self.assertEqual(len(foo.l_events), 0)
def test_remove(self):
foo = MyClass()
foo.l.remove(2)
self.assertEqual(foo.l, [1, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [])
self.assertEqual(event.removed, [2])
self.assertEqual(event.index, 1)
def test_remove_item_not_present(self):
foo = MyClass()
with self.assertRaises(ValueError):
foo.l.remove(1729)
self.assertEqual(foo.l, [1, 2, 3])
self.assertEqual(len(foo.l_events), 0)
def test_inplace_multiply(self):
foo = MyClass()
foo.l *= 2
self.assertEqual(foo.l, [1, 2, 3, 1, 2, 3])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [1, 2, 3])
self.assertEqual(event.removed, [])
self.assertEqual(event.index, 3)
def test_inplace_multiply_by_zero(self):
foo = MyClass()
foo.l *= 0
self.assertEqual(foo.l, [])
self.assertEqual(len(foo.l_events), 1)
event = foo.l_events[0]
self.assertEqual(event.added, [])
self.assertEqual(event.removed, [1, 2, 3])
self.assertEqual(event.index, 0)
|