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<?php
class BitmapMetadataHandlerTest extends MediaWikiTestCase {
public function setUp() {
$this->filePath = dirname( __FILE__ ) . '/../../data/media/';
}
/**
* Test if having conflicting metadata values from different
* types of metadata, that the right one takes precedence.
*
* Basically the file has IPTC and XMP metadata, the
* IPTC should override the XMP, except for the multilingual
* translation (to en) where XMP should win.
*/
public function testMultilingualCascade() {
global $wgShowEXIF;
if ( !$wgShowEXIF ) {
$this->markTestIncomplete( "This test needs the exif extension." );
}
$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'] );
}
/**
* Test for jpeg comments are being handled by
* BitmapMetadataHandler correctly.
*
* There's more extensive tests of comment extraction in
* JpegMetadataExtractorTests.php
*/
public function testJpegComment() {
$meta = BitmapMetadataHandler::Jpeg( $this->filePath .
'jpeg-comment-utf.jpg' );
$this->assertEquals( 'UTF-8 JPEG Comment — ¼',
$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'] );
}
/* File has an invalid time (+ one valid but really weird time)
* that shouldn't be included
*/
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'] ) );
}
/**
* XMP data should take priority over iptc data
* when hash has been updated, but not when
* the hash is wrong.
*/
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() {
$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 );
}
}
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