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resize.php
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resize.php
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<?php
/**
* @group image
* @group media
* @group upload
* @group resize
*/
require_once __DIR__ . '/base.php';
abstract class WP_Tests_Image_Resize_UnitTestCase extends WP_Image_UnitTestCase {
public function set_up() {
parent::set_up();
add_filter( 'wp_image_editors', array( $this, 'wp_image_editors' ) );
}
public function wp_image_editors() {
return array( $this->editor_engine );
}
public function test_resize_jpg() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/test-image.jpg', 25, 25 );
$this->assertSame( 'test-image-25x25.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 25, $w );
$this->assertSame( 25, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_png() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/test-image.png', 25, 25 );
if ( ! is_string( $image ) ) { // WP_Error, stop GLib-GObject-CRITICAL assertion.
$this->fail( sprintf( 'No PNG support in the editor engine %s on this system.', $this->editor_engine ) );
}
$this->assertSame( 'test-image-25x25.png', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 25, $w );
$this->assertSame( 25, $h );
$this->assertSame( IMAGETYPE_PNG, $type );
unlink( $image );
}
public function test_resize_gif() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/test-image.gif', 25, 25 );
if ( ! is_string( $image ) ) { // WP_Error, stop GLib-GObject-CRITICAL assertion.
$this->fail( sprintf( 'No GIF support in the editor engine %s on this system.', $this->editor_engine ) );
}
$this->assertSame( 'test-image-25x25.gif', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 25, $w );
$this->assertSame( 25, $h );
$this->assertSame( IMAGETYPE_GIF, $type );
unlink( $image );
}
public function test_resize_webp() {
$file = DIR_TESTDATA . '/images/test-image.webp';
$editor = wp_get_image_editor( $file );
// Check if the editor supports the webp mime type.
if ( is_wp_error( $editor ) || ! $editor->supports_mime_type( 'image/webp' ) ) {
$this->markTestSkipped( sprintf( 'No WebP support in the editor engine %s on this system.', $this->editor_engine ) );
}
$image = $this->resize_helper( $file, 25, 25 );
$this->assertSame( 'test-image-25x25.webp', wp_basename( $image ) );
list($w, $h, $type) = wp_getimagesize( $image );
$this->assertSame( 25, $w );
$this->assertSame( 25, $h );
$this->assertSame( IMAGETYPE_WEBP, $type );
unlink( $image );
}
public function test_resize_larger() {
// image_resize() should refuse to make an image larger.
$image = $this->resize_helper( DIR_TESTDATA . '/images/test-image.jpg', 100, 100 );
$this->assertInstanceOf( 'WP_Error', $image );
$this->assertSame( 'error_getting_dimensions', $image->get_error_code() );
}
public function test_resize_thumb_128x96() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 128, 96 );
$this->assertSame( '2007-06-17DSC_4173-64x96.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 64, $w );
$this->assertSame( 96, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_thumb_128x0() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 128, 0 );
$this->assertSame( '2007-06-17DSC_4173-128x193.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 128, $w );
$this->assertSame( 193, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_thumb_0x96() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 0, 96 );
$this->assertSame( '2007-06-17DSC_4173-64x96.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 64, $w );
$this->assertSame( 96, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_thumb_150x150_crop() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 150, 150, true );
$this->assertSame( '2007-06-17DSC_4173-150x150.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 150, $w );
$this->assertSame( 150, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_thumb_150x100_crop() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 150, 100, true );
$this->assertSame( '2007-06-17DSC_4173-150x100.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 150, $w );
$this->assertSame( 100, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
public function test_resize_thumb_50x150_crop() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/2007-06-17DSC_4173.JPG', 50, 150, true );
$this->assertSame( '2007-06-17DSC_4173-50x150.jpg', wp_basename( $image ) );
list($w, $h, $type) = getimagesize( $image );
$this->assertSame( 50, $w );
$this->assertSame( 150, $h );
$this->assertSame( IMAGETYPE_JPEG, $type );
unlink( $image );
}
/**
* Try resizing a non-existent image
*
* @ticket 6821
*/
public function test_resize_non_existent_image() {
$image = $this->resize_helper( DIR_TESTDATA . '/images/test-non-existent-image.jpg', 25, 25 );
$this->assertInstanceOf( 'WP_Error', $image );
$this->assertSame( 'error_loading_image', $image->get_error_code() );
}
/**
* Function to help out the tests
*/
protected function resize_helper( $file, $width, $height, $crop = false ) {
$editor = wp_get_image_editor( $file );
if ( is_wp_error( $editor ) ) {
return $editor;
}
$resized = $editor->resize( $width, $height, $crop );
if ( is_wp_error( $resized ) ) {
return $resized;
}
$dest_file = $editor->generate_filename();
$saved = $editor->save( $dest_file );
if ( is_wp_error( $saved ) ) {
return $saved;
}
return $dest_file;
}
}