387 lines
14 KiB
PHP
387 lines
14 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY 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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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license.
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*/
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namespace ProxyManagerTest\Functional;
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use PHPUnit_Framework_TestCase;
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use PHPUnit_Framework_MockObject_MockObject as Mock;
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use ProxyManager\Generator\ClassGenerator;
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use ProxyManager\Generator\Util\UniqueIdentifierGenerator;
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use ProxyManager\GeneratorStrategy\EvaluatingGeneratorStrategy;
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use ProxyManager\Proxy\VirtualProxyInterface;
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use ProxyManager\ProxyGenerator\LazyLoadingValueHolderGenerator;
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use ProxyManagerTestAsset\BaseClass;
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use ProxyManagerTestAsset\ClassWithPublicArrayProperty;
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use ProxyManagerTestAsset\ClassWithPublicProperties;
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use ProxyManagerTestAsset\ClassWithSelfHint;
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use ReflectionClass;
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/**
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* Tests for {@see \ProxyManager\ProxyGenerator\LazyLoadingValueHolderGenerator} produced objects
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*
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* @author Marco Pivetta <ocramius@gmail.com>
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* @license MIT
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*
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* @group Functional
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* @coversNothing
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*/
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class LazyLoadingValueHolderFunctionalTest extends PHPUnit_Framework_TestCase
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{
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/**
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* @dataProvider getProxyMethods
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*/
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public function testMethodCalls($className, $instance, $method, $params, $expectedValue)
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{
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$proxyName = $this->generateProxy($className);
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$proxy = new $proxyName($this->createInitializer($className, $instance));
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$this->assertFalse($proxy->isProxyInitialized());
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$this->assertSame($expectedValue, call_user_func_array(array($proxy, $method), $params));
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertSame($instance, $proxy->getWrappedValueHolderValue());
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}
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/**
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* @dataProvider getProxyMethods
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*/
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public function testMethodCallsAfterUnSerialization($className, $instance, $method, $params, $expectedValue)
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{
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$proxyName = $this->generateProxy($className);
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$proxy = unserialize(serialize(new $proxyName($this->createInitializer($className, $instance))));
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertSame($expectedValue, call_user_func_array(array($proxy, $method), $params));
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$this->assertEquals($instance, $proxy->getWrappedValueHolderValue());
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}
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/**
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* @dataProvider getProxyMethods
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*/
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public function testMethodCallsAfterCloning($className, $instance, $method, $params, $expectedValue)
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{
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$proxyName = $this->generateProxy($className);
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$proxy = new $proxyName($this->createInitializer($className, $instance));
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$cloned = clone $proxy;
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$this->assertTrue($cloned->isProxyInitialized());
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$this->assertNotSame($proxy->getWrappedValueHolderValue(), $cloned->getWrappedValueHolderValue());
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$this->assertSame($expectedValue, call_user_func_array(array($cloned, $method), $params));
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$this->assertEquals($instance, $cloned->getWrappedValueHolderValue());
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}
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/**
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* @dataProvider getPropertyAccessProxies
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*/
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public function testPropertyReadAccess($instance, $proxy, $publicProperty, $propertyValue)
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{
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$this->assertSame($propertyValue, $proxy->$publicProperty);
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertEquals($instance, $proxy->getWrappedValueHolderValue());
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}
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/**
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* @dataProvider getPropertyAccessProxies
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*/
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public function testPropertyWriteAccess($instance, $proxy, $publicProperty)
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{
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$newValue = uniqid();
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$proxy->$publicProperty = $newValue;
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertSame($newValue, $proxy->$publicProperty);
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$this->assertSame($newValue, $proxy->getWrappedValueHolderValue()->$publicProperty);
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}
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/**
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* @dataProvider getPropertyAccessProxies
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*/
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public function testPropertyExistence($instance, $proxy, $publicProperty)
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{
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$this->assertSame(isset($instance->$publicProperty), isset($proxy->$publicProperty));
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertEquals($instance, $proxy->getWrappedValueHolderValue());
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}
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/**
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* @dataProvider getPropertyAccessProxies
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*/
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public function testPropertyAbsence($instance, $proxy, $publicProperty)
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{
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$instance = $proxy->getWrappedValueHolderValue() ? $proxy->getWrappedValueHolderValue() : $instance;
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$instance->$publicProperty = null;
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$this->assertFalse(isset($proxy->$publicProperty));
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$this->assertTrue($proxy->isProxyInitialized());
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}
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/**
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* @dataProvider getPropertyAccessProxies
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*/
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public function testPropertyUnset($instance, $proxy, $publicProperty)
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{
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/* @var $proxy \ProxyManager\Proxy\VirtualProxyInterface|BaseClass */
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$instance = $proxy->getWrappedValueHolderValue() ? $proxy->getWrappedValueHolderValue() : $instance;
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unset($proxy->$publicProperty);
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$this->assertTrue($proxy->isProxyInitialized());
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$this->assertFalse(isset($instance->$publicProperty));
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$this->assertFalse(isset($proxy->$publicProperty));
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}
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/**
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* Verifies that accessing a public property containing an array behaves like in a normal context
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*/
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public function testCanWriteToArrayKeysInPublicProperty()
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{
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$instance = new ClassWithPublicArrayProperty();
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$className = get_class($instance);
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$initializer = $this->createInitializer($className, $instance);
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$proxyName = $this->generateProxy($className);
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/* @var $proxy ClassWithPublicArrayProperty */
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$proxy = new $proxyName($initializer);
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$proxy->arrayProperty['foo'] = 'bar';
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$this->assertSame('bar', $proxy->arrayProperty['foo']);
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$proxy->arrayProperty = array('tab' => 'taz');
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$this->assertSame(array('tab' => 'taz'), $proxy->arrayProperty);
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}
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/**
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* Verifies that public properties retrieved via `__get` don't get modified in the object itself
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*/
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public function testWillNotModifyRetrievedPublicProperties()
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{
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$instance = new ClassWithPublicProperties();
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$className = get_class($instance);
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$initializer = $this->createInitializer($className, $instance);
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$proxyName = $this->generateProxy($className);
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/* @var $proxy ClassWithPublicProperties */
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$proxy = new $proxyName($initializer);
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$variable = $proxy->property0;
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$this->assertSame('property0', $variable);
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$variable = 'foo';
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$this->assertSame('property0', $proxy->property0);
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}
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/**
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* Verifies that public properties references retrieved via `__get` modify in the object state
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*/
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public function testWillModifyByRefRetrievedPublicProperties()
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{
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$instance = new ClassWithPublicProperties();
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$className = get_class($instance);
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$initializer = $this->createInitializer($className, $instance);
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$proxyName = $this->generateProxy($className);
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/* @var $proxy ClassWithPublicProperties */
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$proxy = new $proxyName($initializer);
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$variable = & $proxy->property0;
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$this->assertSame('property0', $variable);
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$variable = 'foo';
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$this->assertSame('foo', $proxy->property0);
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}
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/**
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* @group 16
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*
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* Verifies that initialization of a value holder proxy may happen multiple times
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*/
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public function testWillAllowMultipleProxyInitialization()
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{
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$proxyClass = $this->generateProxy('ProxyManagerTestAsset\\BaseClass');
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$counter = 0;
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$initializer = function (& $wrappedInstance) use (& $counter) {
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$wrappedInstance = new BaseClass();
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$wrappedInstance->publicProperty = (string) ($counter += 1);
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};
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/* @var $proxy BaseClass */
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$proxy = new $proxyClass($initializer);
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$this->assertSame('1', $proxy->publicProperty);
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$this->assertSame('2', $proxy->publicProperty);
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$this->assertSame('3', $proxy->publicProperty);
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}
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/**
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* Generates a proxy for the given class name, and retrieves its class name
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*
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* @param string $parentClassName
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*
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* @return string
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*/
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private function generateProxy($parentClassName)
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{
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$generatedClassName = __NAMESPACE__ . '\\' . UniqueIdentifierGenerator::getIdentifier('Foo');
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$generator = new LazyLoadingValueHolderGenerator();
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$generatedClass = new ClassGenerator($generatedClassName);
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$strategy = new EvaluatingGeneratorStrategy();
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$generator->generate(new ReflectionClass($parentClassName), $generatedClass);
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$strategy->generate($generatedClass);
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return $generatedClassName;
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}
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/**
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* @param string $className
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* @param object $realInstance
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* @param Mock $initializerMatcher
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*
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* @return \Closure
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*/
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private function createInitializer($className, $realInstance, Mock $initializerMatcher = null)
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{
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if (null === $initializerMatcher) {
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$initializerMatcher = $this->getMock('stdClass', array('__invoke'));
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$initializerMatcher
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->expects($this->once())
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->method('__invoke')
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->with(
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$this->logicalAnd(
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$this->isInstanceOf('ProxyManager\\Proxy\\VirtualProxyInterface'),
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$this->isInstanceOf($className)
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),
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$realInstance
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);
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}
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$initializerMatcher = $initializerMatcher ?: $this->getMock('stdClass', array('__invoke'));
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return function (
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& $wrappedObject,
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VirtualProxyInterface $proxy,
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$method,
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$params,
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& $initializer
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) use (
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$initializerMatcher,
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$realInstance
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) {
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$initializer = null;
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$wrappedObject = $realInstance;
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$initializerMatcher->__invoke($proxy, $wrappedObject, $method, $params);
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};
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}
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/**
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* Generates a list of object | invoked method | parameters | expected result
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*
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* @return array
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*/
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public function getProxyMethods()
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{
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$selfHintParam = new ClassWithSelfHint();
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$data = array(
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array(
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'ProxyManagerTestAsset\\BaseClass',
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new BaseClass(),
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'publicMethod',
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array(),
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'publicMethodDefault'
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),
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array(
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'ProxyManagerTestAsset\\BaseClass',
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new BaseClass(),
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'publicTypeHintedMethod',
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array(new \stdClass()),
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'publicTypeHintedMethodDefault'
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),
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array(
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'ProxyManagerTestAsset\\BaseClass',
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new BaseClass(),
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'publicByReferenceMethod',
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array(),
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'publicByReferenceMethodDefault'
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),
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array(
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'ProxyManagerTestAsset\\BaseInterface',
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new BaseClass(),
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'publicMethod',
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array(),
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'publicMethodDefault'
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),
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);
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if (PHP_VERSION_ID >= 50401) {
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// PHP < 5.4.1 misbehaves, throwing strict standards, see https://bugs.php.net/bug.php?id=60573
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$data[] = array(
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'ProxyManagerTestAsset\\ClassWithSelfHint',
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new ClassWithSelfHint(),
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'selfHintMethod',
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array('parameter' => $selfHintParam),
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$selfHintParam
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);
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}
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return $data;
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}
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/**
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* Generates proxies and instances with a public property to feed to the property accessor methods
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*
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* @return array
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*/
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public function getPropertyAccessProxies()
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{
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$instance1 = new BaseClass();
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$proxyName1 = $this->generateProxy(get_class($instance1));
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$instance2 = new BaseClass();
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$proxyName2 = $this->generateProxy(get_class($instance2));
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return array(
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array(
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$instance1,
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new $proxyName1($this->createInitializer('ProxyManagerTestAsset\\BaseClass', $instance1)),
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'publicProperty',
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'publicPropertyDefault',
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),
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array(
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$instance2,
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unserialize(
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serialize(new $proxyName2($this->createInitializer('ProxyManagerTestAsset\\BaseClass', $instance2)))
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),
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'publicProperty',
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'publicPropertyDefault',
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),
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);
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}
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}
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