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1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | namespace ProxyManagerTest\Functional; |
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6 | |||
7 | use PHPUnit\Framework\ExpectationFailedException; |
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8 | use PHPUnit\Framework\TestCase; |
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9 | use ProxyManager\Configuration; |
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10 | use ProxyManager\Exception\UnsupportedProxiedClassException; |
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11 | use ProxyManager\Factory\AccessInterceptorScopeLocalizerFactory; |
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12 | use ProxyManager\Generator\ClassGenerator; |
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13 | use ProxyManager\Generator\Util\UniqueIdentifierGenerator; |
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14 | use ProxyManager\GeneratorStrategy\EvaluatingGeneratorStrategy; |
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15 | use ProxyManager\Proxy\AccessInterceptorInterface; |
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16 | use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizerGenerator; |
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17 | use ProxyManager\ProxyGenerator\Util\Properties; |
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18 | use ProxyManagerTestAsset\BaseClass; |
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19 | use ProxyManagerTestAsset\ClassWithCounterConstructor; |
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20 | use ProxyManagerTestAsset\ClassWithDynamicArgumentsMethod; |
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21 | use ProxyManagerTestAsset\ClassWithMethodWithByRefVariadicFunction; |
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22 | use ProxyManagerTestAsset\ClassWithMethodWithVariadicFunction; |
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23 | use ProxyManagerTestAsset\ClassWithParentHint; |
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24 | use ProxyManagerTestAsset\ClassWithPublicArrayProperty; |
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25 | use ProxyManagerTestAsset\ClassWithPublicProperties; |
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26 | use ProxyManagerTestAsset\ClassWithSelfHint; |
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27 | use ProxyManagerTestAsset\EmptyClass; |
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28 | use ProxyManagerTestAsset\VoidCounter; |
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29 | use ReflectionClass; |
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30 | use stdClass; |
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31 | |||
32 | /** |
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33 | * Tests for {@see \ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizerGenerator} produced objects |
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34 | * |
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35 | * @author Marco Pivetta <[email protected]> |
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36 | * @license MIT |
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37 | * |
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38 | * @group Functional |
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39 | * @coversNothing |
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40 | */ |
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41 | class AccessInterceptorScopeLocalizerFunctionalTest extends TestCase |
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42 | { |
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43 | /** |
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44 | * @dataProvider getProxyMethods |
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45 | * |
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46 | * @param string $className |
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47 | * @param object $instance |
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48 | * @param string $method |
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49 | * @param mixed[] $params |
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50 | * @param mixed $expectedValue |
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51 | */ |
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52 | public function testMethodCalls(string $className, $instance, string $method, array $params, $expectedValue) : void |
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53 | { |
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54 | $proxyName = $this->generateProxy($className); |
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55 | |||
56 | /* @var $proxy AccessInterceptorInterface */ |
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57 | $proxy = $proxyName::staticProxyConstructor($instance); |
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58 | |||
59 | $this->assertProxySynchronized($instance, $proxy); |
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60 | self::assertSame($expectedValue, call_user_func_array([$proxy, $method], $params)); |
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61 | |||
62 | /* @var $listener callable|\PHPUnit_Framework_MockObject_MockObject */ |
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63 | $listener = $this->getMockBuilder(stdClass::class)->setMethods(['__invoke'])->getMock(); |
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64 | $listener |
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65 | ->expects(self::once()) |
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66 | ->method('__invoke') |
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67 | ->with($proxy, $proxy, $method, $params, false); |
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68 | |||
69 | $proxy->setMethodPrefixInterceptor( |
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70 | $method, |
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71 | function ($proxy, $instance, $method, $params, & $returnEarly) use ($listener) { |
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72 | $listener($proxy, $instance, $method, $params, $returnEarly); |
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73 | } |
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74 | ); |
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75 | |||
76 | self::assertSame($expectedValue, call_user_func_array([$proxy, $method], $params)); |
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77 | |||
78 | $random = uniqid('', true); |
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79 | |||
80 | $proxy->setMethodPrefixInterceptor( |
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81 | $method, |
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82 | function ($proxy, $instance, string $method, $params, & $returnEarly) use ($random) : string { |
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83 | $returnEarly = true; |
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84 | |||
85 | return $random; |
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86 | } |
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87 | ); |
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88 | |||
89 | self::assertSame($random, call_user_func_array([$proxy, $method], $params)); |
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90 | $this->assertProxySynchronized($instance, $proxy); |
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91 | } |
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92 | |||
93 | /** |
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94 | * @dataProvider getProxyMethods |
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95 | * |
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96 | * @param string $className |
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97 | * @param object $instance |
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98 | * @param string $method |
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99 | * @param mixed[] $params |
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100 | * @param mixed $expectedValue |
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101 | */ |
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102 | public function testMethodCallsWithSuffixListener( |
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103 | string $className, |
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104 | $instance, |
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105 | string $method, |
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106 | array $params, |
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107 | $expectedValue |
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108 | ) : void { |
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109 | $proxyName = $this->generateProxy($className); |
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110 | |||
111 | /* @var $proxy AccessInterceptorInterface */ |
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112 | $proxy = $proxyName::staticProxyConstructor($instance); |
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113 | /* @var $listener callable|\PHPUnit_Framework_MockObject_MockObject */ |
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114 | $listener = $this->getMockBuilder(stdClass::class)->setMethods(['__invoke'])->getMock(); |
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115 | $listener |
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116 | ->expects(self::once()) |
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117 | ->method('__invoke') |
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118 | ->with($proxy, $proxy, $method, $params, $expectedValue, false); |
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119 | |||
120 | $proxy->setMethodSuffixInterceptor( |
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121 | $method, |
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122 | function ($proxy, $instance, $method, $params, $returnValue, & $returnEarly) use ($listener) { |
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123 | $listener($proxy, $instance, $method, $params, $returnValue, $returnEarly); |
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124 | } |
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125 | ); |
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126 | |||
127 | self::assertSame($expectedValue, call_user_func_array([$proxy, $method], $params)); |
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128 | |||
129 | $random = uniqid('', true); |
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130 | |||
131 | $proxy->setMethodSuffixInterceptor( |
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132 | $method, |
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133 | function ($proxy, $instance, $method, $params, $returnValue, & $returnEarly) use ($random) : string { |
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134 | $returnEarly = true; |
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135 | |||
136 | return $random; |
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137 | } |
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138 | ); |
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139 | |||
140 | self::assertSame($random, call_user_func_array([$proxy, $method], $params)); |
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141 | $this->assertProxySynchronized($instance, $proxy); |
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142 | } |
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143 | |||
144 | /** |
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145 | * @dataProvider getProxyMethods |
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146 | * |
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147 | * @param string $className |
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148 | * @param object $instance |
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149 | * @param string $method |
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150 | * @param mixed[] $params |
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151 | * @param mixed $expectedValue |
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152 | */ |
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153 | public function testMethodCallsAfterUnSerialization( |
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154 | string $className, |
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155 | $instance, |
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156 | string $method, |
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157 | array $params, |
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158 | $expectedValue |
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159 | ) : void { |
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160 | $proxyName = $this->generateProxy($className); |
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161 | /* @var $proxy AccessInterceptorInterface */ |
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162 | $proxy = unserialize(serialize($proxyName::staticProxyConstructor($instance))); |
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163 | |||
164 | self::assertSame($expectedValue, call_user_func_array([$proxy, $method], $params)); |
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165 | $this->assertProxySynchronized($instance, $proxy); |
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166 | } |
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167 | |||
168 | /** |
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169 | * @dataProvider getProxyMethods |
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170 | * |
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171 | * @param string $className |
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172 | * @param object $instance |
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173 | * @param string $method |
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174 | * @param mixed[] $params |
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175 | * @param mixed $expectedValue |
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176 | */ |
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177 | public function testMethodCallsAfterCloning( |
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178 | string $className, |
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179 | $instance, |
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180 | string $method, |
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181 | array $params, |
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182 | $expectedValue |
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183 | ) : void { |
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184 | $proxyName = $this->generateProxy($className); |
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185 | |||
186 | /* @var $proxy AccessInterceptorInterface */ |
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187 | $proxy = $proxyName::staticProxyConstructor($instance); |
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188 | $cloned = clone $proxy; |
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189 | |||
190 | $this->assertProxySynchronized($instance, $proxy); |
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191 | self::assertSame($expectedValue, call_user_func_array([$cloned, $method], $params)); |
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192 | $this->assertProxySynchronized($instance, $proxy); |
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193 | } |
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194 | |||
195 | /** |
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196 | * @dataProvider getPropertyAccessProxies |
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197 | * |
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198 | * @param object $instance |
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199 | * @param AccessInterceptorInterface $proxy |
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200 | * @param string $publicProperty |
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201 | * @param mixed $propertyValue |
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202 | */ |
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203 | public function testPropertyReadAccess( |
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204 | $instance, |
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205 | AccessInterceptorInterface $proxy, |
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206 | string $publicProperty, |
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207 | $propertyValue |
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208 | ) : void { |
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209 | self::assertSame($propertyValue, $proxy->$publicProperty); |
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210 | $this->assertProxySynchronized($instance, $proxy); |
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211 | } |
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212 | |||
213 | /** |
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214 | * @dataProvider getPropertyAccessProxies |
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215 | * |
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216 | * @param object $instance |
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217 | * @param AccessInterceptorInterface $proxy |
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218 | * @param string $publicProperty |
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219 | */ |
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220 | public function testPropertyWriteAccess($instance, AccessInterceptorInterface $proxy, string $publicProperty) : void |
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221 | { |
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222 | $newValue = uniqid(); |
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223 | $proxy->$publicProperty = $newValue; |
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224 | |||
225 | self::assertSame($newValue, $proxy->$publicProperty); |
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226 | $this->assertProxySynchronized($instance, $proxy); |
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227 | } |
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228 | |||
229 | /** |
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230 | * @dataProvider getPropertyAccessProxies |
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231 | * |
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232 | * @param object $instance |
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233 | * @param AccessInterceptorInterface $proxy |
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234 | * @param string $publicProperty |
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235 | */ |
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236 | public function testPropertyExistence($instance, AccessInterceptorInterface $proxy, string $publicProperty) : void |
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237 | { |
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238 | self::assertSame(isset($instance->$publicProperty), isset($proxy->$publicProperty)); |
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239 | $this->assertProxySynchronized($instance, $proxy); |
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240 | |||
241 | $instance->$publicProperty = null; |
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242 | self::assertFalse(isset($proxy->$publicProperty)); |
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243 | $this->assertProxySynchronized($instance, $proxy); |
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244 | } |
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245 | |||
246 | /** |
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247 | * @dataProvider getPropertyAccessProxies |
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248 | * |
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249 | * @param object $instance |
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250 | * @param AccessInterceptorInterface $proxy |
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251 | * @param string $publicProperty |
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252 | */ |
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253 | public function testPropertyUnset($instance, AccessInterceptorInterface $proxy, string $publicProperty) : void |
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254 | { |
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255 | self::markTestSkipped('It is currently not possible to synchronize properties un-setting'); |
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256 | unset($proxy->$publicProperty); |
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257 | |||
258 | self::assertFalse(isset($instance->$publicProperty)); |
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259 | self::assertFalse(isset($proxy->$publicProperty)); |
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260 | $this->assertProxySynchronized($instance, $proxy); |
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261 | } |
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262 | |||
263 | /** |
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264 | * Verifies that accessing a public property containing an array behaves like in a normal context |
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265 | */ |
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266 | public function testCanWriteToArrayKeysInPublicProperty() : void |
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267 | { |
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268 | $instance = new ClassWithPublicArrayProperty(); |
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269 | $className = get_class($instance); |
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270 | $proxyName = $this->generateProxy($className); |
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271 | /* @var $proxy ClassWithPublicArrayProperty|AccessInterceptorInterface */ |
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272 | $proxy = $proxyName::staticProxyConstructor($instance); |
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273 | |||
274 | $proxy->arrayProperty['foo'] = 'bar'; |
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275 | |||
276 | self::assertSame('bar', $proxy->arrayProperty['foo']); |
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277 | |||
278 | $proxy->arrayProperty = ['tab' => 'taz']; |
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279 | |||
280 | self::assertSame(['tab' => 'taz'], $proxy->arrayProperty); |
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281 | self::assertInstanceOf(AccessInterceptorInterface::class, $proxy); |
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282 | |||
283 | if ($proxy instanceof AccessInterceptorInterface) { |
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284 | // @TODO use intersection types when available - ref https://twitter.com/Ocramius/status/931252644190015489 |
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285 | $this->assertProxySynchronized($instance, $proxy); |
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286 | } |
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287 | } |
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288 | |||
289 | /** |
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290 | * Verifies that public properties retrieved via `__get` don't get modified in the object state |
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291 | */ |
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292 | public function testWillNotModifyRetrievedPublicProperties() : void |
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293 | { |
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294 | $instance = new ClassWithPublicProperties(); |
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295 | $className = get_class($instance); |
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296 | $proxyName = $this->generateProxy($className); |
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297 | /* @var $proxy ClassWithPublicProperties|AccessInterceptorInterface */ |
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298 | $proxy = $proxyName::staticProxyConstructor($instance); |
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299 | $variable = $proxy->property0; |
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300 | |||
301 | self::assertSame('property0', $variable); |
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302 | |||
303 | $variable = 'foo'; |
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304 | |||
305 | self::assertSame('property0', $proxy->property0); |
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306 | |||
307 | self::assertInstanceOf(AccessInterceptorInterface::class, $proxy); |
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308 | |||
309 | if ($proxy instanceof AccessInterceptorInterface) { |
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310 | // @TODO use intersection types when available - ref https://twitter.com/Ocramius/status/931252644190015489 |
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311 | $this->assertProxySynchronized($instance, $proxy); |
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312 | } |
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313 | |||
314 | self::assertSame('foo', $variable); |
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315 | } |
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316 | |||
317 | |||
318 | /** |
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319 | * Verifies that public properties references retrieved via `__get` modify in the object state |
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320 | */ |
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321 | public function testWillModifyByRefRetrievedPublicProperties() : void |
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322 | { |
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323 | $instance = new ClassWithPublicProperties(); |
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324 | $proxyName = $this->generateProxy(get_class($instance)); |
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325 | /* @var $proxy ClassWithPublicProperties|AccessInterceptorInterface */ |
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326 | $proxy = $proxyName::staticProxyConstructor($instance); |
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327 | $variable = & $proxy->property0; |
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328 | |||
329 | self::assertSame('property0', $variable); |
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330 | |||
331 | $variable = 'foo'; |
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332 | |||
333 | self::assertSame('foo', $proxy->property0); |
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334 | |||
335 | self::assertInstanceOf(AccessInterceptorInterface::class, $proxy); |
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336 | |||
337 | if ($proxy instanceof AccessInterceptorInterface) { |
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338 | // @TODO use intersection types when available - ref https://twitter.com/Ocramius/status/931252644190015489 |
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339 | $this->assertProxySynchronized($instance, $proxy); |
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340 | } |
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341 | |||
342 | self::assertSame('foo', $variable); |
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343 | } |
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344 | |||
345 | /** |
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346 | * @group 115 |
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347 | * @group 175 |
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348 | */ |
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349 | public function testWillBehaveLikeObjectWithNormalConstructor() : void |
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350 | { |
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351 | $instance = new ClassWithCounterConstructor(10); |
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352 | |||
353 | self::assertSame(10, $instance->amount, 'Verifying that test asset works as expected'); |
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354 | self::assertSame(10, $instance->getAmount(), 'Verifying that test asset works as expected'); |
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355 | $instance->__construct(3); |
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356 | self::assertSame(13, $instance->amount, 'Verifying that test asset works as expected'); |
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357 | self::assertSame(13, $instance->getAmount(), 'Verifying that test asset works as expected'); |
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358 | |||
359 | $proxyName = $this->generateProxy(get_class($instance)); |
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360 | |||
361 | /* @var $proxy ClassWithCounterConstructor */ |
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362 | $proxy = new $proxyName(15); |
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363 | |||
364 | self::assertSame(15, $proxy->amount, 'Verifying that the proxy constructor works as expected'); |
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365 | self::assertSame(15, $proxy->getAmount(), 'Verifying that the proxy constructor works as expected'); |
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366 | $proxy->__construct(5); |
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367 | self::assertSame(20, $proxy->amount, 'Verifying that the proxy constructor works as expected'); |
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368 | self::assertSame(20, $proxy->getAmount(), 'Verifying that the proxy constructor works as expected'); |
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369 | } |
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370 | |||
371 | /** |
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372 | * Generates a proxy for the given class name, and retrieves its class name |
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373 | * |
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374 | * @throws UnsupportedProxiedClassException |
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375 | */ |
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376 | private function generateProxy(string $parentClassName) : string |
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377 | { |
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378 | $generatedClassName = __NAMESPACE__ . '\\' . UniqueIdentifierGenerator::getIdentifier('Foo'); |
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379 | $generator = new AccessInterceptorScopeLocalizerGenerator(); |
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380 | $generatedClass = new ClassGenerator($generatedClassName); |
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381 | $strategy = new EvaluatingGeneratorStrategy(); |
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382 | |||
383 | $generator->generate(new ReflectionClass($parentClassName), $generatedClass); |
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384 | $strategy->generate($generatedClass); |
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385 | |||
386 | return $generatedClassName; |
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387 | } |
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388 | |||
389 | /** |
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390 | * Generates a list of object | invoked method | parameters | expected result |
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391 | * |
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392 | * @return array |
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393 | */ |
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394 | public function getProxyMethods() : array |
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395 | { |
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396 | $selfHintParam = new ClassWithSelfHint(); |
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397 | $empty = new EmptyClass(); |
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398 | |||
399 | return [ |
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400 | [ |
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401 | BaseClass::class, |
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402 | new BaseClass(), |
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403 | 'publicMethod', |
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404 | [], |
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405 | 'publicMethodDefault' |
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406 | ], |
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407 | [ |
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408 | BaseClass::class, |
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409 | new BaseClass(), |
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410 | 'publicTypeHintedMethod', |
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411 | ['param' => new stdClass()], |
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412 | 'publicTypeHintedMethodDefault' |
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413 | ], |
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414 | [ |
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415 | BaseClass::class, |
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416 | new BaseClass(), |
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417 | 'publicByReferenceMethod', |
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418 | [], |
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419 | 'publicByReferenceMethodDefault' |
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420 | ], |
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421 | [ |
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422 | ClassWithSelfHint::class, |
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423 | new ClassWithSelfHint(), |
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424 | 'selfHintMethod', |
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425 | ['parameter' => $selfHintParam], |
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426 | $selfHintParam |
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427 | ], |
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428 | [ |
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429 | ClassWithParentHint::class, |
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430 | new ClassWithParentHint(), |
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431 | 'parentHintMethod', |
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432 | ['parameter' => $empty], |
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433 | $empty |
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434 | ], |
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435 | ]; |
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436 | } |
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437 | |||
438 | /** |
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439 | * Generates proxies and instances with a public property to feed to the property accessor methods |
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440 | */ |
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441 | public function getPropertyAccessProxies() : array |
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442 | { |
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443 | $instance1 = new BaseClass(); |
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444 | $proxyName1 = $this->generateProxy(get_class($instance1)); |
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445 | |||
446 | return [ |
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447 | [ |
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448 | $instance1, |
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449 | $proxyName1::staticProxyConstructor($instance1), |
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450 | 'publicProperty', |
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451 | 'publicPropertyDefault', |
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452 | ], |
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453 | ]; |
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454 | } |
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455 | |||
456 | /** |
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457 | * @param object $instance |
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458 | * @param AccessInterceptorInterface $proxy |
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459 | */ |
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460 | private function assertProxySynchronized($instance, AccessInterceptorInterface $proxy) |
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461 | { |
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462 | $reflectionClass = new ReflectionClass($instance); |
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463 | |||
464 | foreach (Properties::fromReflectionClass($reflectionClass)->getInstanceProperties() as $property) { |
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465 | $property->setAccessible(true); |
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466 | |||
467 | self::assertSame( |
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468 | $property->getValue($instance), |
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469 | $property->getValue($proxy), |
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470 | 'Property "' . $property->getName() . '" is synchronized between instance and proxy' |
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471 | ); |
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472 | } |
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473 | } |
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474 | |||
475 | public function testWillForwardVariadicArguments() : void |
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476 | { |
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477 | $configuration = new Configuration(); |
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478 | $factory = new AccessInterceptorScopeLocalizerFactory($configuration); |
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479 | $targetObject = new ClassWithMethodWithVariadicFunction(); |
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480 | |||
481 | /* @var $object ClassWithMethodWithVariadicFunction */ |
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482 | $object = $factory->createProxy( |
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483 | $targetObject, |
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484 | [ |
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485 | function () : string { |
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486 | return 'Foo Baz'; |
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487 | }, |
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488 | ] |
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489 | ); |
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490 | |||
491 | self::assertNull($object->bar); |
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492 | self::assertNull($object->baz); |
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493 | |||
494 | $object->foo('Ocramius', 'Malukenho', 'Danizord'); |
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495 | self::assertSame('Ocramius', $object->bar); |
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496 | self::assertSame(['Malukenho', 'Danizord'], $object->baz); |
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497 | } |
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498 | |||
499 | /** |
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500 | * @group 265 |
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501 | */ |
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502 | public function testWillForwardVariadicByRefArguments() : void |
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503 | { |
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504 | $configuration = new Configuration(); |
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505 | $factory = new AccessInterceptorScopeLocalizerFactory($configuration); |
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506 | $targetObject = new ClassWithMethodWithByRefVariadicFunction(); |
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507 | |||
508 | /* @var $object ClassWithMethodWithByRefVariadicFunction */ |
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509 | $object = $factory->createProxy( |
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510 | $targetObject, |
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511 | [ |
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512 | function () : string { |
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513 | return 'Foo Baz'; |
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514 | }, |
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515 | ] |
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516 | ); |
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517 | |||
518 | $parameters = ['a', 'b', 'c']; |
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519 | |||
520 | // first, testing normal variadic behavior (verifying we didn't screw up in the test asset) |
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521 | self::assertSame(['a', 'changed', 'c'], (new ClassWithMethodWithByRefVariadicFunction())->tuz(...$parameters)); |
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522 | self::assertSame(['a', 'changed', 'c'], $object->tuz(...$parameters)); |
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523 | self::assertSame(['a', 'changed', 'c'], $parameters, 'by-ref variadic parameter was changed'); |
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524 | } |
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525 | |||
526 | /** |
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527 | * This test documents a known limitation: `func_get_args()` (and similar) don't work in proxied APIs. |
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528 | * If you manage to make this test pass, then please do send a patch |
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529 | * |
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530 | * @group 265 |
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531 | */ |
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532 | public function testWillNotForwardDynamicArguments() : void |
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533 | { |
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534 | /* @var $object ClassWithDynamicArgumentsMethod */ |
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535 | $object = (new AccessInterceptorScopeLocalizerFactory()) |
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536 | ->createProxy( |
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537 | new ClassWithDynamicArgumentsMethod(), |
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538 | [ |
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539 | 'dynamicArgumentsMethod' => function () : string { |
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540 | return 'Foo Baz'; |
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541 | }, |
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542 | ] |
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543 | ); |
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544 | |||
545 | self::assertSame(['a', 'b'], (new ClassWithDynamicArgumentsMethod())->dynamicArgumentsMethod('a', 'b')); |
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546 | |||
547 | $this->expectException(ExpectationFailedException::class); |
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548 | |||
549 | self::assertSame(['a', 'b'], $object->dynamicArgumentsMethod('a', 'b')); |
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550 | } |
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551 | |||
552 | /** |
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553 | * @group 327 |
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554 | */ |
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555 | public function testWillInterceptAndReturnEarlyOnVoidMethod() : void |
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556 | { |
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557 | $skip = random_int(100, 200); |
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558 | $addMore = random_int(201, 300); |
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559 | $increment = random_int(301, 400); |
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560 | |||
561 | /* @var $object VoidCounter */ |
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562 | $object = (new AccessInterceptorScopeLocalizerFactory()) |
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563 | ->createProxy( |
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564 | new VoidCounter(), |
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565 | [ |
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566 | 'increment' => function ( |
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567 | VoidCounter $proxy, |
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568 | VoidCounter $instance, |
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569 | string $method, |
||
570 | array $params, |
||
571 | ?bool & $returnEarly |
||
572 | ) use ($skip) : void { |
||
573 | if ($skip === $params['amount']) { |
||
574 | $returnEarly = true; |
||
575 | } |
||
576 | }, |
||
577 | ], |
||
578 | [ |
||
579 | 'increment' => function ( |
||
580 | VoidCounter $proxy, |
||
581 | VoidCounter $instance, |
||
582 | string $method, |
||
583 | array $params, |
||
584 | ?bool & $returnEarly |
||
585 | ) use ($addMore) : void { |
||
586 | if ($addMore === $params['amount']) { |
||
587 | $instance->counter += 1; |
||
588 | } |
||
589 | }, |
||
590 | ] |
||
591 | ); |
||
592 | |||
593 | $object->increment($skip); |
||
594 | self::assertSame(0, $object->counter); |
||
595 | |||
596 | $object->increment($increment); |
||
597 | self::assertSame($increment, $object->counter); |
||
598 | |||
599 | $object->increment($addMore); |
||
600 | self::assertSame($increment + $addMore + 1, $object->counter); |
||
601 | } |
||
602 | } |
||
603 |
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.