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Emoji: Use SVG in supported browsers

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Use SVG images in supporting browsers, otherwise fall back to PNG images. Add the filters `emoji_svg_url` and `emoji_svg_ext`.

Introduces unit tests to check the Emoji CDN filters.

Fixes #36525


git-svn-id: https://develop.svn.wordpress.org/trunk@37471 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Wilson
2016-05-20 06:02:55 +00:00
parent 8a779ede82
commit 761dde5ee9
3 changed files with 131 additions and 8 deletions
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68
tests/phpunit/tests/formatting/Emoji.php Normal file
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<?php
/**
* @group formatting
*/
class Tests_Formatting_Emoji extends WP_UnitTestCase {
/**
* @ticket 36525
*/
public function test_unfiltered_emoji_cdns() {
$png_cdn = 'https://s.w.org/images/core/emoji/72x72/';
$svn_cdn = 'https://s.w.org/images/core/emoji/svg/';
$output = get_echo( '_print_emoji_detection_script' );
$this->assertContains( wp_json_encode( $png_cdn ), $output );
$this->assertContains( wp_json_encode( $svn_cdn ), $output );
}
public function _filtered_emoji_svn_cdn( $cdn = '' ) {
return 'https://s.wordpress.org/images/core/emoji/svg/';
}
/**
* @ticket 36525
*/
public function test_filtered_emoji_svn_cdn() {
$png_cdn = 'https://s.w.org/images/core/emoji/72x72/';
$svn_cdn = 'https://s.w.org/images/core/emoji/svg/';
$filtered_svn_cdn = $this->_filtered_emoji_svn_cdn();
add_filter( 'emoji_svg_url', array( $this, '_filtered_emoji_svn_cdn' ) );
$output = get_echo( '_print_emoji_detection_script' );
$this->assertContains( wp_json_encode( $png_cdn ), $output );
$this->assertNotContains( wp_json_encode( $svn_cdn ), $output );
$this->assertContains( wp_json_encode( $filtered_svn_cdn ), $output );
remove_filter( 'emoji_svg_url', array( $this, '_filtered_emoji_svn_cdn' ) );
}
public function _filtered_emoji_png_cdn( $cdn = '' ) {
return 'https://s.wordpress.org/images/core/emoji/png_cdn/';
}
/**
* @ticket 36525
*/
public function test_filtered_emoji_png_cdn() {
$png_cdn = 'https://s.w.org/images/core/emoji/72x72/';
$svn_cdn = 'https://s.w.org/images/core/emoji/svg/';
$filtered_png_cdn = $this->_filtered_emoji_png_cdn();
add_filter( 'emoji_url', array( $this, '_filtered_emoji_png_cdn' ) );
$output = get_echo( '_print_emoji_detection_script' );
$this->assertContains( wp_json_encode( $filtered_png_cdn ), $output );
$this->assertNotContains( wp_json_encode( $png_cdn ), $output );
$this->assertContains( wp_json_encode( $svn_cdn ), $output );
remove_filter( 'emoji_url', array( $this, '_filtered_emoji_png_cdn' ) );
}
}