128 lines
4.6 KiB
Python
128 lines
4.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019 Apple Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import unittest
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from webkitpy.common.attribute_saver import AttributeSaver
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class AttributeSaverTest(unittest.TestCase):
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class SimpleTestClass:
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def __init__(self):
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self.value = 0
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def test_class(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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def test_normal_default(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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with AttributeSaver(obj, "value"):
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self.assertEquals(obj.value, None)
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self.assertEquals(obj.value, 0)
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def test_normal_value(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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self.assertEquals(obj.value, 0)
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def test_normal_value_on_exception(self):
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with self.assertRaises(RuntimeError):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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raise RuntimeError()
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except:
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self.assertEquals(obj.value, 0)
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raise
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self.assertEquals(obj.value, 0)
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def test_normal_value_on_normal_exit(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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except:
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self.assertEquals(obj.value, 0)
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raise
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self.assertEquals(obj.value, 0)
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def test_normal_value_with_finally_on_exception(self):
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with self.assertRaises(RuntimeError):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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raise RuntimeError()
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finally:
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self.assertEquals(obj.value, 0)
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self.assertEquals(obj.value, 0)
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def test_normal_value_with_finally_on_normal_exit(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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finally:
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self.assertEquals(obj.value, 0)
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self.assertEquals(obj.value, 0)
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def test_normal_value_with_else_on_exception(self):
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with self.assertRaises(RuntimeError):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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raise RuntimeError()
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except IOError:
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self.assertFalse(True)
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else:
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self.assertEquals(obj.value, 0)
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self.assertEquals(obj.value, 0)
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def test_normal_value_with_else_on_normal_exit(self):
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obj = self.SimpleTestClass()
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self.assertEquals(obj.value, 0)
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try:
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with AttributeSaver(obj, "value", 1):
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self.assertEquals(obj.value, 1)
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except IOError:
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self.assertFalse(True)
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else:
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self.assertEquals(obj.value, 0)
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self.assertEquals(obj.value, 0)
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