Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use closure class

Best Atoum code snippet using closure

SerializableClosure.php

Source:SerializableClosure.php

1<?php namespace SuperClosure;2use Closure;3use SuperClosure\Exception\ClosureUnserializationException;4/**5 * This class acts as a wrapper for a closure, and allows it to be serialized.6 *7 * With the combined power of the Reflection API, code parsing, and the infamous8 * `eval()` function, you can serialize a closure, unserialize it somewhere9 * else (even a different PHP process), and execute it.10 */11class SerializableClosure implements \Serializable12{13    /**14     * The closure being wrapped for serialization.15     *16     * @var Closure17     */18    private $closure;19    /**20     * The serializer doing the serialization work.21     *22     * @var SerializerInterface23     */24    private $serializer;25    /**26     * The data from unserialization.27     *28     * @var array29     */30    private $data;31    /**32     * Create a new serializable closure instance.33     *34     * @param Closure                  $closure35     * @param SerializerInterface|null $serializer36     */37    public function __construct(38        \Closure $closure,39        SerializerInterface $serializer = null40    ) {41        $this->closure = $closure;42        $this->serializer = $serializer ?: new Serializer;43    }44    /**45     * Return the original closure object.46     *47     * @return Closure48     */49    public function getClosure()50    {51        return $this->closure;52    }53    /**54     * Delegates the closure invocation to the actual closure object.55     *56     * Important Notes:57     *58     * - `ReflectionFunction::invokeArgs()` should not be used here, because it59     *   does not work with closure bindings.60     * - Args passed-by-reference lose their references when proxied through61     *   `__invoke()`. This is an unfortunate, but understandable, limitation62     *   of PHP that will probably never change.63     *64     * @return mixed65     */66    public function __invoke()67    {68        return call_user_func_array($this->closure, func_get_args());69    }70    /**71     * Clones the SerializableClosure with a new bound object and class scope.72     *73     * The method is essentially a wrapped proxy to the Closure::bindTo method.74     *75     * @param mixed $newthis  The object to which the closure should be bound,76     *                        or NULL for the closure to be unbound.77     * @param mixed $newscope The class scope to which the closure is to be78     *                        associated, or 'static' to keep the current one.79     *                        If an object is given, the type of the object will80     *                        be used instead. This determines the visibility of81     *                        protected and private methods of the bound object.82     *83     * @return SerializableClosure84     * @link http://www.php.net/manual/en/closure.bindto.php85     */86    public function bindTo($newthis, $newscope = 'static')87    {88        return new self(89            $this->closure->bindTo($newthis, $newscope),90            $this->serializer91        );92    }93    /**94     * Serializes the code, context, and binding of the closure.95     *96     * @return string|null97     * @link http://php.net/manual/en/serializable.serialize.php98     */99    public function serialize()100    {101        try {102            $this->data = $this->data ?: $this->serializer->getData($this->closure, true);103            return serialize($this->data);104        } catch (\Exception $e) {105            trigger_error(106                'Serialization of closure failed: ' . $e->getMessage(),107                E_USER_NOTICE108            );109            // Note: The serialize() method of Serializable must return a string110            // or null and cannot throw exceptions.111            return null;112        }113    }114    /**115     * Unserializes the closure.116     *117     * Unserializes the closure's data and recreates the closure using a118     * simulation of its original context. The used variables (context) are119     * extracted into a fresh scope prior to redefining the closure. The120     * closure is also rebound to its former object and scope.121     *122     * @param string $serialized123     *124     * @throws ClosureUnserializationException125     * @link http://php.net/manual/en/serializable.unserialize.php126     */127    public function unserialize($serialized)128    {129        // Unserialize the closure data and reconstruct the closure object.130        $this->data = unserialize($serialized);131        $this->closure = __reconstruct_closure($this->data);132        // Throw an exception if the closure could not be reconstructed.133        if (!$this->closure instanceof Closure) {134            throw new ClosureUnserializationException(135                'The closure is corrupted and cannot be unserialized.'136            );137        }138        // Rebind the closure to its former binding and scope.139        if ($this->data['binding'] || $this->data['isStatic']) {140            $this->closure = $this->closure->bindTo(141                $this->data['binding'],142                $this->data['scope']143            );144        }145    }146    /**147     * Returns closure data for `var_dump()`.148     *149     * @return array150     */151    public function __debugInfo()152    {153        return $this->data ?: $this->serializer->getData($this->closure, true);154    }155}156/**157 * Reconstruct a closure.158 *159 * HERE BE DRAGONS!160 *161 * The infamous `eval()` is used in this method, along with the error162 * suppression operator, and variable variables (i.e., double dollar signs) to163 * perform the unserialization logic. I'm sorry, world!164 *165 * This is also done inside a plain function instead of a method so that the166 * binding and scope of the closure are null.167 *168 * @param array $__data Unserialized closure data.169 *170 * @return Closure|null171 * @internal172 */173function __reconstruct_closure(array $__data)174{175    // Simulate the original context the closure was created in.176    foreach ($__data['context'] as $__var_name => &$__value) {177        if ($__value instanceof SerializableClosure) {178            // Unbox any SerializableClosures in the context.179            $__value = $__value->getClosure();180        } elseif ($__value === Serializer::RECURSION) {181            // Track recursive references (there should only be one).182            $__recursive_reference = $__var_name;183        }184        // Import the variable into this scope.185        ${$__var_name} = $__value;186    }187    // Evaluate the code to recreate the closure.188    try {189        if (isset($__recursive_reference)) {190            // Special handling for recursive closures.191            @eval("\${$__recursive_reference} = {$__data['code']};");192            $__closure = ${$__recursive_reference};193        } else {194            @eval("\$__closure = {$__data['code']};");195        }196    } catch (\ParseError $e) {197        // Discard the parse error.198    }199    return isset($__closure) ? $__closure : null;200}...

ClosureParserTest.php

Source:ClosureParserTest.php

...8     * @covers \Jeremeamia\SuperClosure\ClosureParser::getReflection9     */10    public function testCanGetReflectionBackFromParser()11    {12        $closure = function () {};13        $reflection = new \ReflectionFunction($closure);14        $parser = new ClosureParser($reflection);15        $this->assertSame($reflection, $parser->getReflection());16    }17    /**18     * @covers \Jeremeamia\SuperClosure\ClosureParser::fromClosure19     */20    public function testCanUseFactoryMethodToCreateParser()21    {22        $parser = ClosureParser::fromClosure(function () {});23        $this->assertInstanceOf('Jeremeamia\SuperClosure\ClosureParser', $parser);24    }25    /**26     * @covers \Jeremeamia\SuperClosure\ClosureParser::__construct27     */28    public function testRaisesErrorWhenNonClosureIsProvided()29    {30        $this->setExpectedException('InvalidArgumentException');31        $reflection = new \ReflectionFunction('strpos');32        $parser = new ClosureParser($reflection);33    }34    /**35     * @covers \Jeremeamia\SuperClosure\ClosureParser::getCode36     */37    public function testCanGetCodeFromParser()38    {39        $closure = function () {};40        $expectedCode = "function () {\n    \n};";41        $parser = new ClosureParser(new \ReflectionFunction($closure));42        $actualCode = $parser->getCode();43        $this->assertEquals($expectedCode, $actualCode);44    }45    /**46     * @covers \Jeremeamia\SuperClosure\ClosureParser::getUsedVariables47     */48    public function testCanGetUsedVariablesFromParser()49    {50        $foo = 1;51        $bar = 2;52        $closure = function () use ($foo, $bar) {};53        $expectedVars = array('foo' => 1, 'bar' => 2);54        $parser = new ClosureParser(new \ReflectionFunction($closure));55        $actualVars = $parser->getUsedVariables();56        $this->assertEquals($expectedVars, $actualVars);57    }58    /**59     * @covers \Jeremeamia\SuperClosure\ClosureParser::getUsedVariables60     */61    public function testCanGetUsedVariablesWhenOneIsNullFromParser()62    {63        $foo = null;64        $bar = 2;65        $closure = function () use ($foo, $bar) {};66        $expectedVars = array('foo' => null, 'bar' => 2);67        $parser = new ClosureParser(new \ReflectionFunction($closure));68        $actualVars = $parser->getUsedVariables();69        $this->assertEquals($expectedVars, $actualVars);70    }71    /**72     * @covers \Jeremeamia\SuperClosure\ClosureParser::clearCache73     */74    public function testCanClearCache()75    {76        $parserClass = 'Jeremeamia\SuperClosure\ClosureParser';77        $p = new \ReflectionProperty($parserClass, 'cache');78        $p->setAccessible(true);79        $p->setValue(null, array('foo' => 'bar'));80        $this->assertEquals(array('foo' => 'bar'), $this->readAttribute($parserClass, 'cache'));81        ClosureParser::clearCache();82        $this->assertEquals(array(), $this->readAttribute($parserClass, 'cache'));83    }84    /**85     * @covers \Jeremeamia\SuperClosure\ClosureParser::getClosureAbstractSyntaxTree86     * @covers \Jeremeamia\SuperClosure\ClosureParser::getFileAbstractSyntaxTree87     */88    public function testCanGetClosureAst()89    {90        $closure = function () {};91        $parser = new ClosureParser(new \ReflectionFunction($closure));92        $ast = $parser->getClosureAbstractSyntaxTree();93        $this->assertInstanceOf('PHPParser_Node_Expr_Closure', $ast);94    }95}...

closure

Using AI Code Generation

1use mageekguy\atoum;2use mageekguy\atoum\php;3use mageekguy\atoum\php\method;4use mageekguy\atoum\php\method\parameter;5use mageekguy\atoum\php\method\parameters;6use mageekguy\atoum\php\method\parameters\parameter as parametersParameter;7use mageekguy\atoum\php\method\parameters\container as parametersContainer;8use mageekguy\atoum\php\method\exception;9use mageekguy\atoum\php\method\exceptions;10use mageekguy\atoum\php\method\exceptions\exception as exceptionsException;11use mageekguy\atoum\php\method\exceptions\container as exceptionsContainer;12use mageekguy\atoum\php\method\visibility;13use mageekguy\atoum\php\method\abstract as abstractMethod;14use mageekguy\atoum\php\method\final as finalMethod;15use mageekguy\atoum\php\method\static as staticMethod;16use mageekguy\atoum\php\method\body;17use mageekguy\atoum\php\method\default as defaultMethod;18use mageekguy\atoum\php\method\name;19use mageekguy\atoum\php\method\name as methodName;20use mageekguy\atoum\php\method\value;21use mageekguy\atoum\php\method\values;22use mageekguy\atoum\php\method\values\value as valuesValue;23use mageekguy\atoum\php\method\values\container as valuesContainer;24use mageekguy\atoum\php\method\tag;25use mageekguy\atoum\php\method\tags;26use mageekguy\atoum\php\method\tags\tag as tagsTag;27use mageekguy\atoum\php\method\tags\container as tagsContainer;28use mageekguy\atoum\php\method\comment;

closure

Using AI Code Generation

1use atoum\closure as atoum;2use PHPUnit\closure as PHPUnit;3use atoum\closure as atoum;4use PHPUnit\closure as PHPUnit;5use atoum\closure as atoum;6use PHPUnit\closure as PHPUnit;7use atoum\closure as atoum;8use PHPUnit\closure as PHPUnit;9use atoum\closure as atoum;10use PHPUnit\closure as PHPUnit;11use atoum\closure as atoum;12use PHPUnit\closure as PHPUnit;13use atoum\closure as atoum;14use PHPUnit\closure as PHPUnit;15use atoum\closure as atoum;16use PHPUnit\closure as PHPUnit;17use atoum\closure as atoum;18use PHPUnit\closure as PHPUnit;19use atoum\closure as atoum;20use PHPUnit\closure as PHPUnit;21use atoum\closure as atoum;22use PHPUnit\closure as PHPUnit;

closure

Using AI Code Generation

1$atoum = new atoum\atoum();2$atoum->run();3$atoum = new atoum\atoum();4$atoum->run();5$atoum = new atoum\atoum();6$atoum->run();7$atoum = new atoum\atoum();8$atoum->run();9$atoum = new atoum\atoum();10$atoum->run();11$atoum = new atoum\atoum();12$atoum->run();13$atoum = new atoum\atoum();14$atoum->run();15$atoum = new atoum\atoum();16$atoum->run();17$atoum = new atoum\atoum();18$atoum->run();19$atoum = new atoum\atoum();20$atoum->run();21$atoum = new atoum\atoum();22$atoum->run();23$atoum = new atoum\atoum();24$atoum->run();25$atoum = new atoum\atoum();26$atoum->run();

closure

Using AI Code Generation

1use Atoum\Test;2use Atoum\Test\Asserters\Variable as VariableAsserter;3$asserter = new VariableAsserter('foo');4$asserter->isEqualTo('foo');5use Atoum\Test;6use Atoum\Test\Asserters\Variable as VariableAsserter;7$asserter = new VariableAsserter('foo');8$asserter->isEqualTo('foo');

closure

Using AI Code Generation

1$test = new Atoum\Test();2$test->setTestNamespace('My\Project\Test');3$test->setTestedClassName('My\Project\Class');4$test = new Atoum\Test();5$test->setTestNamespace('My\Project\Test');6$test->setTestedClassName('My\Project\Class');7$test = new Atoum\Test();8$test->setTestNamespace('My\Project\Test');9$test->setTestedClassName('My\Project\Class');10$test = new Atoum\Test();11$test->setTestNamespace('My\Project\Test');12$test->setTestedClassName('My\Project\Class');13$test = new Atoum\Test();14$test->setTestNamespace('My\Project\Test');15$test->setTestedClassName('My\Project\Class');16$test = new Atoum\Test();17$test->setTestNamespace('My\Project\Test');18$test->setTestedClassName('My\Project\Class');19$test = new Atoum\Test();20$test->setTestNamespace('My\Project\Test');21$test->setTestedClassName('My\Project\Class');22$test = new Atoum\Test();23$test->setTestNamespace('My\Project\Test');24$test->setTestedClassName('My\Project\Class');25$test = new Atoum\Test();26$test->setTestNamespace('My\Project\Test');27$test->setTestedClassName('My\Project\Class');28$test = new Atoum\Test();

closure

Using AI Code Generation

1$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');2$test->setTestNamespace('tests\units');3$test->addTestDirectory(__DIR__ . '/tests/units');4$test->run();5$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');6$test->setTestNamespace('tests\units');7$test->addTestDirectory(__DIR__ . '/tests/units');8$test->run();9$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');10$test->setTestNamespace('tests\units');11$test->addTestDirectory(__DIR__ . '/tests/units');12$test->run();13$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');14$test->setTestNamespace('tests\units');15$test->addTestDirectory(__DIR__ . '/tests/units');16$test->run();17$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');18$test->setTestNamespace('tests\units');19$test->addTestDirectory(__DIR__ . '/tests/units');20$test->run();21$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');22$test->setTestNamespace('tests\units');23$test->addTestDirectory(__DIR__ . '/tests/units');24$test->run();25$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');26$test->setTestNamespace('tests\units');27$test->addTestDirectory(__DIR__ . '/tests/units');28$test->run();29$test->setBootstrapFile(__DIR__ . '/vendor/autoload.php');30$test->setTestNamespace('tests\units');31$test->addTestDirectory(__DIR__ . '/tests/units');32$test->run();

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.