ObjectFactoryTest.php

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<?php
class ObjectFactoryTest extends PHPUnit_Framework_TestCase {
 
    public function testClosureExpansionDisabled() {
        $obj = ObjectFactory::getObjectFromSpec( [
            'class' => 'ObjectFactoryTestFixture',
            'args' => [
                function() {
                    return 'wrapped';
                },
                'unwrapped',
            ],
            'calls' => [
                'setter' => [ function() {
                    return 'wrapped';
                }, ],
            ],
            'closure_expansion' => false,
        ] );
        $this->assertInstanceOf( 'Closure', $obj->args[0] );
        $this->assertSame( 'wrapped', $obj->args[0]() );
        $this->assertSame( 'unwrapped', $obj->args[1] );
        $this->assertInstanceOf( 'Closure', $obj->setterArgs[0] );
        $this->assertSame( 'wrapped', $obj->setterArgs[0]() );
    }
 
    public function testClosureExpansionEnabled() {
        $obj = ObjectFactory::getObjectFromSpec( [
            'class' => 'ObjectFactoryTestFixture',
            'args' => [
                function() {
                    return 'wrapped';
                },
                'unwrapped',
            ],
            'calls' => [
                'setter' => [ function() {
                    return 'wrapped';
                }, ],
            ],
            'closure_expansion' => true,
        ] );
        $this->assertInternalType( 'string', $obj->args[0] );
        $this->assertSame( 'wrapped', $obj->args[0] );
        $this->assertSame( 'unwrapped', $obj->args[1] );
        $this->assertInternalType( 'string', $obj->setterArgs[0] );
        $this->assertSame( 'wrapped', $obj->setterArgs[0] );
 
        $obj = ObjectFactory::getObjectFromSpec( [
            'class' => 'ObjectFactoryTestFixture',
            'args' => [ function() {
                return 'unwrapped';
            }, ],
            'calls' => [
                'setter' => [ function() {
                    return 'unwrapped';
                }, ],
            ],
        ] );
        $this->assertInternalType( 'string', $obj->args[0] );
        $this->assertSame( 'unwrapped', $obj->args[0] );
        $this->assertInternalType( 'string', $obj->setterArgs[0] );
        $this->assertSame( 'unwrapped', $obj->setterArgs[0] );
    }
 
    public function testGetObjectFromFactory() {
        $args = [ 'a', 'b' ];
        $obj = ObjectFactory::getObjectFromSpec( [
            'factory' => function ( $a, $b ) {
                return new ObjectFactoryTestFixture( $a, $b );
            },
            'args' => $args,
        ] );
        $this->assertSame( $args, $obj->args );
    }
 
    public function testGetObjectFromInvalid() {
        $args = [ 'a', 'b' ];
        $obj = ObjectFactory::getObjectFromSpec( [
            // Missing 'class' or 'factory'
            'args' => $args,
        ] );
    }
 
    public function testGetObjectFromClass( $args ) {
        $obj = ObjectFactory::getObjectFromSpec( [
            'class' => 'ObjectFactoryTestFixture',
            'args' => $args,
        ] );
        $this->assertSame( $args, $obj->args );
    }
 
    public function testConstructClassInstance( $args ) {
        $obj = ObjectFactory::constructClassInstance(
            'ObjectFactoryTestFixture', $args
        );
        $this->assertSame( $args, $obj->args );
    }
 
    public static function provideConstructClassInstance() {
        // These args go to 11. I thought about making 10 one louder, but 11!
        return [
            '0 args' => [ [] ],
            '1 args' => [ [ 1, ] ],
            '2 args' => [ [ 1, 2, ] ],
            '3 args' => [ [ 1, 2, 3, ] ],
            '4 args' => [ [ 1, 2, 3, 4, ] ],
            '5 args' => [ [ 1, 2, 3, 4, 5, ] ],
            '6 args' => [ [ 1, 2, 3, 4, 5, 6, ] ],
            '7 args' => [ [ 1, 2, 3, 4, 5, 6, 7, ] ],
            '8 args' => [ [ 1, 2, 3, 4, 5, 6, 7, 8, ] ],
            '9 args' => [ [ 1, 2, 3, 4, 5, 6, 7, 8, 9, ] ],
            '10 args' => [ [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ] ],
            '11 args' => [ [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ] ],
        ];
    }
 
    public function testNamedArgs() {
        $args = [ 'foo' => 1, 'bar' => 2, 'baz' => 3 ];
        $obj = ObjectFactory::constructClassInstance(
            'ObjectFactoryTestFixture', $args
        );
    }
}
 
class ObjectFactoryTestFixture {
    public $args;
    public $setterArgs;
    public function __construct( /*...*/ ) {
        $this->args = func_get_args();
    }
    public function setter( /*...*/ ) {
        $this->setterArgs = func_get_args();
    }
}