Changeset 51704 for trunk/tests/phpunit/tests/image/editor.php

Timestamp:

08/31/2021 06:57:09 PM (5 years ago)

Author:

azaozz

Message:

Media: apply the wp_editor_set_quality filter not only when loading an image in the editor but also when saving an converted image, after the mime-type of the output image has changed.

Props mikeschroder, desrosj, azaozz.
Fixes #53667.

File:

• trunk/tests/phpunit/tests/image/editor.php (modified) (1 diff)

trunk/tests/phpunit/tests/image/editor.php

@@ -112 +112 @@
 
         /**
+         * Test test_quality when converting image
+         *
+         * @ticket 6821
+         */
+        public function test_set_quality_with_image_conversion() {
+                $editor = wp_get_image_editor( DIR_TESTDATA . '/images/test-image.png' );
+                $editor->set_mime_type( 'image/png' ); // Ensure mime-specific filters act properly.
+
+                // Set conversions for uploaded images.
+                add_filter( 'image_editor_output_format', array( $this, 'image_editor_output_formats' ) );
+
+                // Quality setting for the source image. For PNG the fallback default of 82 is used.
+                $this->assertSame( 82, $editor->get_quality(), 'Default quality setting is 82.' );
+
+                // Quality should change to the output format's value.
+                // A PNG image will be converted to WEBP whose quialty should be 86.
+                $editor->save();
+                $this->assertSame( 86, $editor->get_quality(), 'Output image format is WEBP. Quality setting for it should be 86.' );
+
+                // Removing PNG to WEBP conversion on save. Quality setting should reset to the default.
+                remove_filter( 'image_editor_output_format', array( $this, 'image_editor_output_formats' ) );
+                $editor->save();
+                $this->assertSame( 82, $editor->get_quality(), 'After removing image conversion quality setting should reset to the default of 82.' );
+
+                unset( $editor );
+
+                // Set conversions for uploaded images.
+                add_filter( 'image_editor_output_format', array( $this, 'image_editor_output_formats' ) );
+                // Change the quality values.
+                add_filter( 'wp_editor_set_quality', array( $this, 'image_editor_change_quality' ), 10, 2 );
+
+                // Get a new editor to clear quality state.
+                $editor = wp_get_image_editor( DIR_TESTDATA . '/images/test-image.jpg' );
+                $editor->set_mime_type( 'image/jpeg' );
+
+                $this->assertSame( 56, $editor->get_quality(), 'Filtered default quality for JPEG is 56.' );
+
+                // Quality should change to the output format's value as filtered above.
+                // A JPEG image will be converted to WEBP whose quialty should be 42.
+                $editor->save();
+                $this->assertSame( 42, $editor->get_quality(), 'Image conversion from JPEG to WEBP. Filtered WEBP quality shoild be 42.' );
+
+                // After removing the conversion the quality setting should reset to the filtered value for the original image type, JPEG.
+                remove_filter( 'image_editor_output_format', array( $this, 'image_editor_output_formats' ) );
+                $editor->save();
+                $this->assertSame(
+                        56,
+                        $editor->get_quality(),
+                        'After removing image conversion the quality setting should reset to the filtered value for JPEG, 56.'
+                );
+
+                remove_filter( 'wp_editor_set_quality', array( $this, 'image_editor_change_quality' ) );
+        }
+
+        /**
+         * Changes the output format when editing images. PNG and JPEG files
+         * will be converted to WEBP (if the image editor in PHP supports it).
+         *
+         * @param array $formats
+         *
+         * @return array
+         */
+        public function image_editor_output_formats( $formats ) {
+                $formats['image/png']  = 'image/webp';
+                $formats['image/jpeg'] = 'image/webp';
+                return $formats;
+        }
+
+        /**
+         * Changes the quality according to the mime-type.
+         *
+         * @param int    $quality   Default quality.
+         * @param string $mime_type Image mime-type.
+         * @return int The changed quality.
+         */
+        public function image_editor_change_quality( $quality, $mime_type ) {
+                if ( 'image/jpeg' === $mime_type ) {
+                        return 56;
+                } elseif ( 'image/webp' === $mime_type ) {
+                        return 42;
+                } else {
+                        return 30;
+                }
+        }
+
+        /**
          * Test generate_filename
          *