ParserFactoryTest.php

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<?php
 
class ParserFactoryTest extends MediaWikiTestCase {
    public function testConstructorArgNum() {
        $factoryConstructor = new ReflectionMethod( 'ParserFactory', '__construct' );
        $instanceConstructor = new ReflectionMethod( 'Parser', '__construct' );
        // Subtract one for the ParserFactory itself
        $this->assertSame( $instanceConstructor->getNumberOfParameters() - 1,
            $factoryConstructor->getNumberOfParameters(),
            'Parser and ParserFactory constructors have an inconsistent number of parameters. ' .
            'Did you add a parameter to one and not the other?' );
    }
 
    public function testAllArgumentsWerePassed() {
        $factoryConstructor = new ReflectionMethod( 'ParserFactory', '__construct' );
        $mocks = [];
        foreach ( $factoryConstructor->getParameters() as $param ) {
            $type = (string)$param->getType();
            if ( $type === 'array' ) {
                $val = [ 'porcupines will tell me your secrets' . count( $mocks ) ];
            } elseif ( class_exists( $type ) || interface_exists( $type ) ) {
                $val = $this->createMock( $type );
            } elseif ( $type === '' ) {
                // Optimistically assume a string is okay
                $val = 'I will de-quill them first' . count( $mocks );
            } else {
                $this->fail( "Unrecognized parameter type $type in ParserFactory constructor" );
            }
            $mocks[] = $val;
        }
 
        $factory = new ParserFactory( ...$mocks );
        $parser = $factory->create();
 
        foreach ( ( new ReflectionObject( $parser ) )->getProperties() as $prop ) {
            $prop->setAccessible( true );
            foreach ( $mocks as $idx => $mock ) {
                if ( $prop->getValue( $parser ) === $mock ) {
                    unset( $mocks[$idx] );
                }
            }
        }
 
        $this->assertCount( 0, $mocks, 'Not all arguments to the ParserFactory constructor were ' .
            'found in Parser member variables' );
    }
}