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94b70f1ae0
The exif standards expect the UserComment field to be used as a substitute for ImageDescription if multibyte characters are needed. WordPress media only mapped the ImageDescription field and did not correctly handle descriptions with multibyte characters. Fix metadata saving to better handle media with multibyte characters in metadata and update unit tests. Props fotodrachen, antpb, joedolson, mikinc860, azaozz, nicolefurlan. Fixes #58082. git-svn-id: https://develop.svn.wordpress.org/trunk@57267 602fd350-edb4-49c9-b593-d223f7449a82
261 lines
12 KiB
PHP
261 lines
12 KiB
PHP
<?php
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/**
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* @group image
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* @group media
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* @group upload
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* @requires extension gd
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* @requires extension exif
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*
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* @covers ::wp_read_image_metadata
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*/
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class Tests_Image_Meta extends WP_UnitTestCase {
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public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
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require_once DIR_TESTROOT . '/includes/class-wp-test-stream.php';
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stream_wrapper_register( 'testimagemeta', 'WP_Test_Stream' );
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WP_Test_Stream::$data = array(
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'wp_read_image_metadata' => array(
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'/image1.jpg' => file_get_contents( DIR_TESTDATA . '/images/test-image-upside-down.jpg' ),
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'/image2.jpg' => file_get_contents( DIR_TESTDATA . '/images/2004-07-22-DSC_0007.jpg' ),
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'/image3.jpg' => file_get_contents( DIR_TESTDATA . '/images/33772.jpg' ),
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),
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);
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}
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public static function wpTearDownAfterClass() {
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stream_wrapper_unregister( 'testimagemeta' );
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}
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public function test_exif_d70() {
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// Exif from a Nikon D70.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/2004-07-22-DSC_0008.jpg' );
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$this->assertEquals( 6.3, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'NIKON D70', $out['camera'], 'Camera value not the same' );
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$this->assertSame( '', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( strtotime( '2004-07-22 17:14:59' ), $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 27, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 400, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 1 / 40, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( '', $out['title'], 'Title value not the same' );
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}
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public function test_exif_d70_mf() {
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// Exif from a Nikon D70 - manual focus lens, so some data is unavailable.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG' );
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$this->assertSame( '0', $out['aperture'], 'Aperture value not the same' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'NIKON D70', $out['camera'], 'Camera value not the same' );
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$this->assertSame( 'Copyright Alex Shiels', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( strtotime( '2007-06-17 21:18:00' ), $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 0, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 0, $out['iso'], 'Iso value not equivalent' ); // Interesting - a Nikon bug?
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$this->assertEquals( 1 / 500, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( 'Copyright Alex Shiels', $out['title'], 'Title value not the same' );
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// $this->assertSame( array( 'Flowers' ), $out['keywords'] );
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}
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public function test_exif_d70_iptc() {
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// Exif from a Nikon D70 with IPTC data added later.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/2004-07-22-DSC_0007.jpg' );
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$this->assertEquals( 6.3, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( 'IPTC Creator', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'NIKON D70', $out['camera'], 'Camera value not the same' );
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$this->assertSame( 'IPTC Caption', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( strtotime( '2004-07-22 17:14:35' ), $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( 'IPTC Copyright', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 18, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 200, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 1 / 25, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( 'IPTC Headline', $out['title'], 'Title value not the same' );
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}
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public function test_exif_fuji() {
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// Exif from a Fuji FinePix S5600 (thanks Mark).
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/a2-small.jpg' );
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$this->assertEquals( 4.5, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'FinePix S5600', $out['camera'], 'Camera value not the same' );
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$this->assertSame( '', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( strtotime( '2007-09-03 10:17:03' ), $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 6.3, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 64, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 1 / 320, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( '', $out['title'], 'Title value not the same' );
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}
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/**
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* @ticket 6571
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*/
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public function test_exif_error() {
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// https://core.trac.wordpress.org/ticket/6571
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// This triggers a warning mesage when reading the Exif block.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/waffles.jpg' );
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$this->assertEquals( 0, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( '', $out['camera'], 'Camera value not the same' );
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$this->assertSame( '', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( 0, $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 0, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 0, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 0, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( '', $out['title'], 'Title value not the same' );
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}
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public function test_exif_no_data() {
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// No Exif data in this image (from burningwell.org).
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/canola.jpg' );
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$this->assertEquals( 0, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( '', $out['camera'], 'Camera value not the same' );
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$this->assertSame( '', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( 0, $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 0, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 0, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 0, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( '', $out['title'], 'Title value not the same' );
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}
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/**
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* @ticket 9417
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*/
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public function test_utf8_iptc_tags() {
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// Trilingual UTF-8 text in the ITPC caption-abstract field.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/test-image-iptc.jpg' );
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$this->assertSame( 'This is a comment. / Это комментарий. / Βλέπετε ένα σχόλιο.', $out['caption'] );
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}
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/**
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* wp_read_image_metadata() should return false if the image file doesn't exist.
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*/
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public function test_missing_image_file() {
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/404_image.png' );
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$this->assertFalse( $out );
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}
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/**
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* @ticket 33772
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*/
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public function test_exif_keywords() {
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/33772.jpg' );
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$this->assertSame( '8', $out['aperture'], 'Aperture value not the same' );
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$this->assertSame( 'Photoshop Author', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'DMC-LX2', $out['camera'], 'Camera value not the same' );
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$this->assertSame( 'Photoshop Description', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( 1306315327, $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( 'Photoshop Copyrright Notice', $out['copyright'], 'Copyright value not the same' );
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$this->assertSame( '6.3', $out['focal_length'], 'Focal length value not the same' );
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$this->assertSame( '100', $out['iso'], 'Iso value not the same' );
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$this->assertSame( '0.0025', $out['shutter_speed'], 'Shutter speed value not the same' );
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$this->assertSame( 'Photoshop Document Ttitle', $out['title'], 'Title value not the same' );
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$this->assertEquals( 1, $out['orientation'], 'Orientation value not equivalent' );
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$this->assertSame( array( 'beach', 'baywatch', 'LA', 'sunset' ), $out['keywords'], 'Keywords not the same' );
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}
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/**
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* @dataProvider data_stream
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*
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* @ticket 52826
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* @ticket 52922
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*
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* @param string Stream's URI.
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* @param array Expected metadata.
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*/
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public function test_stream( $file, $expected ) {
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$actual = wp_read_image_metadata( $file );
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$this->assertSame( $expected, $actual );
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}
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public function data_stream() {
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return array(
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'Orientation only metadata' => array(
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'file' => 'testimagemeta://wp_read_image_metadata/image1.jpg',
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'metadata' => array(
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'aperture' => '0',
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'credit' => '',
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'camera' => '',
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'caption' => '',
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'created_timestamp' => '0',
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'copyright' => '',
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'focal_length' => '0',
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'iso' => '0',
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'shutter_speed' => '0',
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'title' => '',
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'orientation' => '3',
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'keywords' => array(),
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),
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),
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'Exif from a Nikon D70 with IPTC data added later' => array(
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'file' => 'testimagemeta://wp_read_image_metadata/image2.jpg',
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'metadata' => array(
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'aperture' => '6.3',
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'credit' => 'IPTC Creator',
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'camera' => 'NIKON D70',
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'caption' => 'IPTC Caption',
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'created_timestamp' => '1090516475',
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'copyright' => 'IPTC Copyright',
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'focal_length' => '18',
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'iso' => '200',
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'shutter_speed' => '0.04',
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'title' => 'IPTC Headline',
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'orientation' => '0',
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'keywords' => array(),
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),
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),
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'Exif from a DMC-LX2 camera with keywords' => array(
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'file' => 'testimagemeta://wp_read_image_metadata/image3.jpg',
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'metadata' => array(
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'aperture' => '8',
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'credit' => 'Photoshop Author',
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'camera' => 'DMC-LX2',
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'caption' => 'Photoshop Description',
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'created_timestamp' => '1306315327',
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'copyright' => 'Photoshop Copyrright Notice',
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'focal_length' => '6.3',
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'iso' => '100',
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'shutter_speed' => '0.0025',
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'title' => 'Photoshop Document Ttitle',
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'orientation' => '1',
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'keywords' => array( 'beach', 'baywatch', 'LA', 'sunset' ),
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),
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),
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);
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}
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/**
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* @ticket 54385
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*/
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public function test_exif_unexpected_data() {
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// Unexpected Exif data: FNumber is "0/0", aperture should be 0.
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$out = wp_read_image_metadata( DIR_TESTDATA . '/images/sugarloaf-mountain.jpg' );
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$this->assertEquals( 0, $out['aperture'], 'Aperture value not equivalent' );
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$this->assertSame( '', $out['credit'], 'Credit value not the same' );
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$this->assertSame( 'X-T1', $out['camera'], 'Camera value not the same' );
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$this->assertSame( '', $out['caption'], 'Caption value not the same' );
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$this->assertEquals( 0, $out['created_timestamp'], 'Timestamp value not equivalent' );
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$this->assertSame( '', $out['copyright'], 'Copyright value not the same' );
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$this->assertEquals( 50, $out['focal_length'], 'Focal length value not equivalent' );
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$this->assertEquals( 200, $out['iso'], 'Iso value not equivalent' );
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$this->assertEquals( 2, $out['shutter_speed'], 'Shutter speed value not equivalent' );
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$this->assertSame( 'Sugarloaf Panorama', $out['title'], 'Title value not the same' );
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}
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}
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