BitmapMetadataHandlerTest.php

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<?php
class BitmapMetadataHandlerTest extends MediaWikiTestCase {

    protected function setUp() {
        parent::setUp();

        $this->setMwGlobals( 'wgShowEXIF', false );

        $this->filePath = __DIR__ . '/../../data/media/';
    }

    public function testMultilingualCascade() {
        $this->checkPHPExtension( 'exif' );
        $this->checkPHPExtension( 'xml' );

        $this->setMwGlobals( 'wgShowEXIF', true );

        $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
            '/Xmp-exif-multilingual_test.jpg' );

        $expected = array(
            'x-default' => 'right(iptc)',
            'en' => 'right translation',
            '_type' => 'lang'
        );

        $this->assertArrayHasKey( 'ImageDescription', $meta,
            'Did not extract any ImageDescription info?!' );

        $this->assertEquals( $expected, $meta['ImageDescription'] );
    }

    public function testJpegComment() {
        $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
            'jpeg-comment-utf.jpg' );

        $this->assertEquals( 'UTF-8 JPEG Comment — ¼',
            $meta['JPEGFileComment'][0] );
    }

    public function testBadIPTC() {
        $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
            'iptc-invalid-psir.jpg' );
        $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
    }

    public function testIPTCDates() {
        $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
            'iptc-timetest.jpg' );

        $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
        $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
    }

    public function testIPTCDatesInvalid() {
        $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
            'iptc-timetest-invalid.jpg' );

        $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
        $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
    }

    public function testMerging() {
        $merger = new BitmapMetadataHandler();
        $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
        $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
        $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
        $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
        $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
        $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
        $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
        $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
        $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );

        $actual = $merger->getMetadataArray();
        $expected = array(
            'foo' => 'xmp',
            'bar' => 'iptc (bad hash)',
            'baz' => 'exif',
            'fred' => 'xmp',
        );
        $this->assertEquals( $expected, $actual );
    }

    public function testPNGXMP() {
        if ( !extension_loaded( 'xml' ) ) {
            $this->markTestSkipped( "This test needs the xml extension." );
        }
        $handler = new BitmapMetadataHandler();
        $result = $handler->png( $this->filePath . 'xmp.png' );
        $expected = array(
            'frameCount' => 0,
            'loopCount' => 1,
            'duration' => 0,
            'bitDepth' => 1,
            'colorType' => 'index-coloured',
            'metadata' => array(
                'SerialNumber' => '123456789',
                '_MW_PNG_VERSION' => 1,
            ),
        );
        $this->assertEquals( $expected, $result );
    }

    public function testPNGNative() {
        $handler = new BitmapMetadataHandler();
        $result = $handler->png( $this->filePath . 'Png-native-test.png' );
        $expected = 'http://example.com/url';
        $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] );
    }

    public function testTiffByteOrder() {
        $handler = new BitmapMetadataHandler();
        $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
        $this->assertEquals( 'LE', $res );
    }
}