1 files changed, 152 insertions, 0 deletions
diff --git a/tests/phpunit/includes/media/BitmapMetadataHandlerTest.php b/tests/phpunit/includes/media/BitmapMetadataHandlerTest.php
new file mode 100644
index 00000000..b221b832
--- /dev/null
+++ b/tests/phpunit/includes/media/BitmapMetadataHandlerTest.php
@@ -0,0 +1,152 @@
+<?php
+class BitmapMetadataHandlerTest extends MediaWikiTestCase {
+
+	protected function setUp() {
+		parent::setUp();
+
+		$this->setMwGlobals( 'wgShowEXIF', false );
+
+		$this->filePath = __DIR__ . '/../../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 ( !wfDl( 'exif' ) ) {
+			$this->markTestSkipped( "This test needs the exif extension." );
+		}
+		if ( !wfDl( 'xml' ) ) {
+			$this->markTestSkipped( "This test needs the xml extension." );
+		}
+
+		$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'] );
+	}
+
+	/**
+	 * 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] );
+	}
+
+	/**
+	 * Make sure a bad iptc block doesn't stop the other metadata
+	 * from being extracted.
+	 */
+	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'] );
+	}
+
+	/**
+	 * 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() {
+		if ( !wfDl( '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 );
+	}
+
+}