Source code for b3j0f.annotation.test.interception
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# --------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2015 Jonathan Labéjof <jonathan.labejof@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# SOFTWARE.
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from unittest import main
from b3j0f.utils.ut import UTCase
from b3j0f.annotation.interception import (
Interceptor, PrivateInterceptor,
PrivateCallInterceptor, CallInterceptor
)
[docs]class InterceptorTest(UTCase):
"""
Base class for other tests
"""
[docs] def get_interceptor(self):
raise NotImplementedError()
[docs] def get_target(self):
raise NotImplementedError()
[docs] def setUp(self):
self.count = 0
self.interceptor = self.get_interceptor()
self.target = self.get_target()
self.interceptor(self.target)
[docs] def interception(self, joinpoint):
self.count += 1
return joinpoint.proceed()
[docs] def tearDown(self):
"""
Delete self.interceptor
"""
self.interceptor.__del__()
del self.interceptor
[docs]class InterceptionTest(InterceptorTest):
"""
Test interception
"""
[docs] def get_interceptor(self):
return Interceptor(interception=self.interception)
[docs] def get_target(self):
return lambda: None
[docs] def call_target(self):
"""Call target.
"""
self.target()
[docs] def test_one_one(self):
"""
Test one annotation and one call
"""
self.call_target()
self.assertEqual(self.count, 1)
[docs] def test_one_two(self):
"""
Test one annotation and two calls
"""
self.call_target()
self.call_target()
self.assertEqual(self.count, 2)
[docs] def test_two_one(self):
"""
Test two annotation and one call
"""
self.interceptor(self.target)
self.call_target()
self.assertEqual(self.count, 2)
[docs] def test_two_two(self):
"""
Test two annotations and two calls
"""
self.interceptor(self.target)
self.call_target()
self.call_target()
self.assertEqual(self.count, 4)
[docs] def test_enable(self):
self.interceptor.enable = True
self.call_target()
self.assertEqual(self.count, 1)
[docs] def test_disable(self):
self.interceptor.enable = False
self.call_target()
self.assertEqual(self.count, 0)
[docs] def test_enables(self):
Interceptor.set_enable(self.target, enable=True)
self.call_target()
self.assertEqual(self.count, 1)
[docs] def test_disables(self):
Interceptor.set_enable(self.target, enable=False)
self.call_target()
self.assertEqual(self.count, 0)
[docs]class PrivateInterceptorTest(InterceptorTest):
"""
Test interception
"""
[docs] class TestPrivateInterceptor(PrivateInterceptor):
def __init__(self, utcase):
super(
PrivateInterceptorTest.TestPrivateInterceptor, self
).__init__()
self.utcase = utcase
def _interception(self, joinpoint, *args, **kwargs):
return self.utcase.interception(joinpoint)
[docs] def get_interceptor(self):
return PrivateInterceptorTest.TestPrivateInterceptor(self)
[docs] def get_target(self):
return lambda: None
[docs]class CallInterceptorTest(InterceptorTest):
"""
Test interception
"""
[docs] class Test(object):
def __call__(self):
pass
[docs] def get_interceptor(self):
return CallInterceptor(interception=self.interception)
[docs] def get_target(self):
return CallInterceptorTest.Test
[docs] def call_target(self):
self.target()()
[docs]class PrivateCallInterceptorTest(InterceptorTest):
"""
Test interception
"""
[docs] class TestCallInterceptor(PrivateCallInterceptor):
def __init__(self, utcase):
super(
PrivateCallInterceptorTest.TestCallInterceptor,
self
).__init__()
self.utcase = utcase
def _interception(self, joinpoint):
return self.utcase.interception(joinpoint)
[docs] class Test(object):
def __call__(self):
pass
[docs] def get_interceptor(self):
return PrivateCallInterceptorTest.TestCallInterceptor(self)
[docs] def get_target(self):
return CallInterceptorTest.Test
[docs] def call_target(self):
self.target()()
if __name__ == '__main__':
main()