forked from WordPress/wordpress-develop
/
functions.php
690 lines (582 loc) · 18 KB
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functions.php
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<?php
/**
* @group image
* @group media
* @group upload
*/
class Tests_Image_Functions extends WP_UnitTestCase {
/**
* Setup test fixture
*/
public function setUp(): void {
parent::setUp();
require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
require_once DIR_TESTDATA . '/../includes/mock-image-editor.php';
// Ensure no legacy / failed tests detritus.
$folder = get_temp_dir() . 'wordpress-gsoc-flyer*.{jpg,pdf}';
foreach ( glob( $folder, GLOB_BRACE ) as $file ) {
unlink( $file );
}
}
/**
* Get the MIME type of a file
*
* @param string $filename
* @return string
*/
protected function get_mime_type( $filename ) {
$mime_type = '';
if ( extension_loaded( 'fileinfo' ) ) {
$finfo = new finfo();
$mime_type = $finfo->file( $filename, FILEINFO_MIME );
}
if ( false !== strpos( $mime_type, ';' ) ) {
list( $mime_type, $charset ) = explode( ';', $mime_type, 2 );
}
return $mime_type;
}
function test_is_image_positive() {
// These are all image files recognized by PHP.
$files = array(
'test-image-cmyk.jpg',
'test-image.bmp',
'test-image-grayscale.jpg',
'test-image.gif',
'test-image.png',
'test-image.tiff',
'test-image-lzw.tiff',
'test-image.jp2',
'test-image.psd',
'test-image-zip.tiff',
'test-image.jpg',
);
// IMAGETYPE_ICO is only defined in PHP 5.3+.
if ( defined( 'IMAGETYPE_ICO' ) ) {
$files[] = 'test-image.ico';
}
foreach ( $files as $file ) {
$this->assertTrue( file_is_valid_image( DIR_TESTDATA . '/images/' . $file ), "file_is_valid_image($file) should return true" );
}
}
function test_is_image_negative() {
// These are actually image files but aren't recognized or usable by PHP.
$files = array(
'test-image.pct',
'test-image.tga',
'test-image.sgi',
);
foreach ( $files as $file ) {
$this->assertFalse( file_is_valid_image( DIR_TESTDATA . '/images/' . $file ), "file_is_valid_image($file) should return false" );
}
}
function test_is_displayable_image_positive() {
// These are all usable in typical web browsers.
$files = array(
'test-image.gif',
'test-image.png',
'test-image.jpg',
);
// IMAGETYPE_ICO is only defined in PHP 5.3+.
if ( defined( 'IMAGETYPE_ICO' ) ) {
$files[] = 'test-image.ico';
}
foreach ( $files as $file ) {
$this->assertTrue( file_is_displayable_image( DIR_TESTDATA . '/images/' . $file ), "file_is_valid_image($file) should return true" );
}
}
function test_is_displayable_image_negative() {
// These are image files but aren't suitable for web pages because of compatibility or size issues.
$files = array(
// 'test-image-cmyk.jpg', Allowed in r9727.
// 'test-image.bmp', Allowed in r28589.
// 'test-image-grayscale.jpg', Allowed in r9727.
'test-image.pct',
'test-image.tga',
'test-image.sgi',
'test-image.tiff',
'test-image-lzw.tiff',
'test-image.jp2',
'test-image.psd',
'test-image-zip.tiff',
);
foreach ( $files as $file ) {
$this->assertFalse( file_is_displayable_image( DIR_TESTDATA . '/images/' . $file ), "file_is_valid_image($file) should return false" );
}
}
/**
* @ticket 50833
*/
function test_is_gd_image_invalid_types() {
$this->assertFalse( is_gd_image( new stdClass() ) );
$this->assertFalse( is_gd_image( array() ) );
$this->assertFalse( is_gd_image( null ) );
$handle = fopen( __FILE__, 'r' );
$this->assertFalse( is_gd_image( $handle ) );
fclose( $handle );
}
/**
* @ticket 50833
* @requires extension gd
*/
function test_is_gd_image_valid_types() {
$this->assertTrue( is_gd_image( imagecreate( 5, 5 ) ) );
}
/**
* Test save image file and mime_types
*
* @ticket 6821
*/
public function test_wp_save_image_file() {
if ( ! extension_loaded( 'fileinfo' ) ) {
$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
}
require_once ABSPATH . 'wp-admin/includes/image-edit.php';
// Mime types.
$mime_types = array(
'image/jpeg',
'image/gif',
'image/png',
);
// Test each image editor engine.
$classes = array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
foreach ( $classes as $class ) {
// If the image editor isn't available, skip it.
if ( ! call_user_func( array( $class, 'test' ) ) ) {
continue;
}
$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
$loaded = $img->load();
// Save a file as each mime type, assert it works.
foreach ( $mime_types as $mime_type ) {
if ( ! $img->supports_mime_type( $mime_type ) ) {
continue;
}
$file = wp_tempnam();
$ret = wp_save_image_file( $file, $img, $mime_type, 1 );
$this->assertNotEmpty( $ret );
$this->assertNotWPError( $ret );
$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
// Clean up.
unlink( $file );
unlink( $ret['path'] );
}
// Clean up.
unset( $img );
}
}
/**
* Test that a passed mime type overrides the extension in the filename
*
* @ticket 6821
*/
public function test_mime_overrides_filename() {
if ( ! extension_loaded( 'fileinfo' ) ) {
$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
}
// Test each image editor engine.
$classes = array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
foreach ( $classes as $class ) {
// If the image editor isn't available, skip it.
if ( ! call_user_func( array( $class, 'test' ) ) ) {
continue;
}
$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
$loaded = $img->load();
// Save the file.
$mime_type = 'image/gif';
$file = wp_tempnam( 'tmp.jpg' );
$ret = $img->save( $file, $mime_type );
// Make assertions.
$this->assertNotEmpty( $ret );
$this->assertNotWPError( $ret );
$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
// Clean up.
unlink( $file );
unlink( $ret['path'] );
unset( $img );
}
}
/**
* Test that mime types are correctly inferred from file extensions
*
* @ticket 6821
*/
public function test_inferred_mime_types() {
if ( ! extension_loaded( 'fileinfo' ) ) {
$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
}
// Mime types.
$mime_types = array(
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'unk' => 'image/jpeg', // Default, unknown.
);
// Test each image editor engine.
$classes = array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
foreach ( $classes as $class ) {
// If the image editor isn't available, skip it.
if ( ! call_user_func( array( $class, 'test' ) ) ) {
continue;
}
$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
$loaded = $img->load();
// Save the image as each file extension, check the mime type.
$img = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
$this->assertNotWPError( $img );
$temp = get_temp_dir();
foreach ( $mime_types as $ext => $mime_type ) {
if ( ! $img->supports_mime_type( $mime_type ) ) {
continue;
}
$file = wp_unique_filename( $temp, uniqid() . ".$ext" );
$ret = $img->save( trailingslashit( $temp ) . $file );
$this->assertNotEmpty( $ret );
$this->assertNotWPError( $ret );
$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
unlink( $ret['path'] );
}
// Clean up.
unset( $img );
}
}
/**
* Try loading a directory
*
* @ticket 17814
* @expectedDeprecated wp_load_image
*/
public function test_load_directory() {
// First, test with deprecated wp_load_image function.
$editor1 = wp_load_image( DIR_TESTDATA );
$this->assertIsNotResource( $editor1 );
$editor2 = wp_get_image_editor( DIR_TESTDATA );
$this->assertIsNotResource( $editor2 );
// Then, test with editors.
$classes = array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
foreach ( $classes as $class ) {
// If the image editor isn't available, skip it.
if ( ! call_user_func( array( $class, 'test' ) ) ) {
continue;
}
$editor = new $class( DIR_TESTDATA );
$loaded = $editor->load();
$this->assertInstanceOf( 'WP_Error', $loaded );
$this->assertEquals( 'error_loading_image', $loaded->get_error_code() );
}
}
public function test_wp_crop_image_file() {
if ( ! function_exists( 'imagejpeg' ) ) {
$this->fail( 'jpeg support unavailable' );
}
$file = wp_crop_image(
DIR_TESTDATA . '/images/canola.jpg',
0,
0,
100,
100,
100,
100
);
$this->assertNotWPError( $file );
$this->assertFileExists( $file );
$image = wp_get_image_editor( $file );
$size = $image->get_size();
$this->assertEquals( 100, $size['height'] );
$this->assertEquals( 100, $size['width'] );
unlink( $file );
}
public function test_wp_crop_image_url() {
if ( ! function_exists( 'imagejpeg' ) ) {
$this->fail( 'jpeg support unavailable' );
}
if ( ! extension_loaded( 'openssl' ) ) {
$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url() requires openssl.' );
}
$file = wp_crop_image(
'https://asdftestblog1.files.wordpress.com/2008/04/canola.jpg',
0,
0,
100,
100,
100,
100,
false,
DIR_TESTDATA . '/images/' . __FUNCTION__ . '.jpg'
);
if ( is_wp_error( $file ) && $file->get_error_code() === 'invalid_image' ) {
$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url() cannot access remote image.' );
}
$this->assertNotWPError( $file );
$this->assertFileExists( $file );
$image = wp_get_image_editor( $file );
$size = $image->get_size();
$this->assertEquals( 100, $size['height'] );
$this->assertEquals( 100, $size['width'] );
unlink( $file );
}
public function test_wp_crop_image_file_not_exist() {
$file = wp_crop_image(
DIR_TESTDATA . '/images/canoladoesnotexist.jpg',
0,
0,
100,
100,
100,
100
);
$this->assertInstanceOf( 'WP_Error', $file );
}
public function test_wp_crop_image_url_not_exist() {
if ( ! extension_loaded( 'openssl' ) ) {
$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url_not_exist() requires openssl.' );
}
$file = wp_crop_image(
'https://asdftestblog1.files.wordpress.com/2008/04/canoladoesnotexist.jpg',
0,
0,
100,
100,
100,
100
);
$this->assertInstanceOf( 'WP_Error', $file );
}
function mock_image_editor( $editors ) {
return array( 'WP_Image_Editor_Mock' );
}
/**
* @ticket 23325
*/
public function test_wp_crop_image_error_on_saving() {
WP_Image_Editor_Mock::$save_return = new WP_Error();
add_filter( 'wp_image_editors', array( $this, 'mock_image_editor' ) );
$file = wp_crop_image(
DIR_TESTDATA . '/images/canola.jpg',
0,
0,
100,
100,
100,
100
);
$this->assertInstanceOf( 'WP_Error', $file );
remove_filter( 'wp_image_editors', array( $this, 'mock_image_editor' ) );
WP_Image_Editor_Mock::$save_return = array();
}
/**
* @ticket 31050
*/
public function test_wp_generate_attachment_metadata_pdf() {
if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
}
$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
$test_file = get_temp_dir() . 'wordpress-gsoc-flyer.pdf';
copy( $orig_file, $test_file );
$editor = wp_get_image_editor( $test_file );
if ( is_wp_error( $editor ) ) {
$this->markTestSkipped( $editor->get_error_message() );
}
$attachment_id = $this->factory->attachment->create_object(
$test_file,
0,
array(
'post_mime_type' => 'application/pdf',
)
);
$this->assertNotEmpty( $attachment_id );
$expected = array(
'sizes' => array(
'full' => array(
'file' => 'wordpress-gsoc-flyer-pdf.jpg',
'width' => 1088,
'height' => 1408,
'mime-type' => 'image/jpeg',
),
'medium' => array(
'file' => 'wordpress-gsoc-flyer-pdf-232x300.jpg',
'width' => 232,
'height' => 300,
'mime-type' => 'image/jpeg',
),
'large' => array(
'file' => 'wordpress-gsoc-flyer-pdf-791x1024.jpg',
'width' => 791,
'height' => 1024,
'mime-type' => 'image/jpeg',
),
'thumbnail' => array(
'file' => 'wordpress-gsoc-flyer-pdf-116x150.jpg',
'width' => 116,
'height' => 150,
'mime-type' => 'image/jpeg',
),
),
);
$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
$this->assertSame( $expected, $metadata );
unlink( $test_file );
$temp_dir = get_temp_dir();
foreach ( $metadata['sizes'] as $size ) {
unlink( $temp_dir . $size['file'] );
}
}
/**
* Crop setting for PDF.
*
* @ticket 43226
*/
public function test_crop_setting_for_pdf() {
if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
}
update_option( 'medium_crop', 1 );
$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
$test_file = get_temp_dir() . 'wordpress-gsoc-flyer.pdf';
copy( $orig_file, $test_file );
$editor = wp_get_image_editor( $test_file );
if ( is_wp_error( $editor ) ) {
$this->markTestSkipped( $editor->get_error_message() );
}
$attachment_id = $this->factory->attachment->create_object(
$test_file,
0,
array(
'post_mime_type' => 'application/pdf',
)
);
$this->assertNotEmpty( $attachment_id );
$expected = array(
'sizes' => array(
'full' => array(
'file' => 'wordpress-gsoc-flyer-pdf.jpg',
'width' => 1088,
'height' => 1408,
'mime-type' => 'image/jpeg',
),
'medium' => array(
'file' => 'wordpress-gsoc-flyer-pdf-300x300.jpg',
'width' => 300,
'height' => 300,
'mime-type' => 'image/jpeg',
),
'large' => array(
'file' => 'wordpress-gsoc-flyer-pdf-791x1024.jpg',
'width' => 791,
'height' => 1024,
'mime-type' => 'image/jpeg',
),
'thumbnail' => array(
'file' => 'wordpress-gsoc-flyer-pdf-116x150.jpg',
'width' => 116,
'height' => 150,
'mime-type' => 'image/jpeg',
),
),
);
$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
$this->assertSame( $expected, $metadata );
unlink( $test_file );
foreach ( $metadata['sizes'] as $size ) {
unlink( get_temp_dir() . $size['file'] );
}
}
/**
* @ticket 39231
*/
public function test_fallback_intermediate_image_sizes() {
if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
}
$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
$test_file = get_temp_dir() . 'wordpress-gsoc-flyer.pdf';
copy( $orig_file, $test_file );
$editor = wp_get_image_editor( $test_file );
if ( is_wp_error( $editor ) ) {
$this->markTestSkipped( $editor->get_error_message() );
}
$attachment_id = $this->factory->attachment->create_object(
$test_file,
0,
array(
'post_mime_type' => 'application/pdf',
)
);
$this->assertNotEmpty( $attachment_id );
add_image_size( 'test-size', 100, 100 );
add_filter( 'fallback_intermediate_image_sizes', array( $this, 'filter_fallback_intermediate_image_sizes' ), 10, 2 );
$expected = array(
'file' => 'wordpress-gsoc-flyer-pdf-77x100.jpg',
'width' => 77,
'height' => 100,
'mime-type' => 'image/jpeg',
);
$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
$this->assertTrue( isset( $metadata['sizes']['test-size'] ), 'The `test-size` was not added to the metadata.' );
$this->assertSame( $metadata['sizes']['test-size'], $expected );
remove_image_size( 'test-size' );
remove_filter( 'fallback_intermediate_image_sizes', array( $this, 'filter_fallback_intermediate_image_sizes' ), 10 );
unlink( $test_file );
$temp_dir = get_temp_dir();
foreach ( $metadata['sizes'] as $size ) {
unlink( $temp_dir . $size['file'] );
}
}
function filter_fallback_intermediate_image_sizes( $fallback_sizes, $metadata ) {
// Add the 'test-size' to the list of fallback sizes.
$fallback_sizes[] = 'test-size';
return $fallback_sizes;
}
/**
* Test PDF preview doesn't overwrite existing JPEG.
*
* @ticket 39875
*/
public function test_pdf_preview_doesnt_overwrite_existing_jpeg() {
if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
}
$temp_dir = get_temp_dir();
// Dummy JPEGs.
$jpg1_path = $temp_dir . 'test.jpg'; // Straight.
file_put_contents( $jpg1_path, 'asdf' );
$jpg2_path = $temp_dir . 'test-pdf.jpg'; // With PDF marker.
file_put_contents( $jpg2_path, 'fdsa' );
// PDF with same name as JPEG.
$pdf_path = $temp_dir . 'test.pdf';
copy( DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf', $pdf_path );
$editor = wp_get_image_editor( $pdf_path );
if ( is_wp_error( $editor ) ) {
$this->markTestSkipped( $editor->get_error_message() );
}
$attachment_id = $this->factory->attachment->create_object(
$pdf_path,
0,
array(
'post_mime_type' => 'application/pdf',
)
);
$metadata = wp_generate_attachment_metadata( $attachment_id, $pdf_path );
$preview_path = $temp_dir . $metadata['sizes']['full']['file'];
// PDF preview didn't overwrite PDF.
$this->assertNotEquals( $pdf_path, $preview_path );
// PDF preview didn't overwrite JPG with same name.
$this->assertNotEquals( $jpg1_path, $preview_path );
$this->assertSame( 'asdf', file_get_contents( $jpg1_path ) );
// PDF preview didn't overwrite PDF preview with same name.
$this->assertNotEquals( $jpg2_path, $preview_path );
$this->assertSame( 'fdsa', file_get_contents( $jpg2_path ) );
// Cleanup.
unlink( $jpg1_path );
unlink( $jpg2_path );
unlink( $pdf_path );
foreach ( $metadata['sizes'] as $size ) {
unlink( $temp_dir . $size['file'] );
}
}
}