MessageIndexTest.php

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<?php
class MessageIndexTest extends MediaWikiTestCase {
    protected function setUp() {
        parent::setUp();
        $this->setMwGlobals( array(
            'wgTranslateCacheDirectory' => $this->getNewTempDirectory(),
            'wgTranslateTranslationServices' => array(),
        ) );
    }

    protected static function getTestData() {
        static $data = null;
        if ( $data === null ) {
            $data = unserialize( file_get_contents( __DIR__ . '/messageindexdata.ser' ) );
        }

        return $data;
    }

    public function testMessageIndexImplementation( $mi ) {
        $data = self::getTestData();
        $mi->store( $data );

        $tests = array_rand( $data, 10 );
        foreach ( $tests as $key ) {
            $this->assertSame(
                $data[$key],
                $mi->get( $key ),
                "Values are preserved for random key $key"
            );
        }

        $cached = $mi->retrieve();

        $tests = array_rand( $data, 10 );
        foreach ( $tests as $key ) {
            $this->assertSame(
                $data[$key],
                $mi->get( $key ),
                "Values are preserved after retrieve for random key $key"
            );
        }

        $this->assertEquals(
            count( $data ),
            count( $cached ),
            'Cache has same number of elements'
        );
        $this->assertEquals( $data, $cached, 'Cache is preserved' );
    }

    public static function provideMessageIndexImplementation() {
        return array(
            array( new TestableDatabaseMessageIndex() ),
            array( new TestableCDBMessageIndex() ),
            array( new TestableSerializedMessageIndex() ),
            // Not testing CachedMessageIndex because there is no easy way to mockup those.
        );
    }
}

class TestableDatabaseMessageIndex extends DatabaseMessageIndex {
    // @codingStandardsIgnoreStart PHP CodeSniffer warns "Useless method overriding
    // detected", but store() and get() are protected in parent.
    public function store( array $a ) {
        parent::store( $a );
    }

    public function get( $a ) {
        return parent::get( $a );
    } // @codingStandardsIgnoreEnd
}

class TestableCDBMessageIndex extends CDBMessageIndex {
    // @codingStandardsIgnoreStart PHP CodeSniffer warns "Useless method overriding
    // detected", but store() and get() are protected in parent.
    public function store( array $a ) {
        parent::store( $a );
    }

    public function get( $a ) {
        return parent::get( $a );
    } // @codingStandardsIgnoreEnd
}

class TestableSerializedMessageIndex extends SerializedMessageIndex {
    // @codingStandardsIgnoreStart PHP CodeSniffer warns "Useless method overriding
    // detected", but store() and get() are protected in parent.
    public function store( array $a ) {
        parent::store( $a );
    }

    public function get( $a ) {
        return parent::get( $a );
    } // @codingStandardsIgnoreEnd
}