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Widgets: Add widget dedicated for HTML Code, taking over this role of the Text widget.

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Props westonruter, timmydcrawford.
See #40951, #35243.
Fixes #40907.


git-svn-id: https://develop.svn.wordpress.org/trunk@40893 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Weston Ruter
2017-06-09 23:53:27 +00:00
parent d3226f6041
commit 5b7fb84f03
6 changed files with 300 additions and 1 deletions
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153
tests/phpunit/tests/widgets/html-code-widget.php Normal file
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<?php
/**
* Unit tests covering WP_Widget_HTML_Code functionality.
*
* @package WordPress
* @subpackage widgets
*/
/**
* Test wp-includes/widgets/class-wp-widget-html-code.php
*
* @group widgets
*/
class Test_WP_Widget_HTML_Code extends WP_UnitTestCase {
/**
* Args passed to the widget_html_code_content filter.
*
* @var array
*/
protected $widget_html_code_content_args;
/**
* Test widget method.
*
* @covers WP_Widget_HTML_Code::widget
*/
function test_widget() {
$widget = new WP_Widget_HTML_Code();
$content = "<i>Custom HTML</i>\n\n<b>CODE</b>\nLast line.<u>unclosed";
$args = array(
'before_title' => '<h2>',
'after_title' => "</h2>\n",
'before_widget' => '<section>',
'after_widget' => "</section>\n",
);
$instance = array(
'title' => 'Foo',
'content' => $content,
);
$this->assertEquals( 10, has_filter( 'widget_html_code_content', 'balanceTags' ) );
update_option( 'use_balanceTags', 0 );
add_filter( 'widget_html_code_content', array( $this, 'filter_widget_html_code_content' ), 5, 3 );
ob_start();
$this->widget_html_code_content_args = null;
$widget->widget( $args, $instance );
$output = ob_get_clean();
$this->assertNotEmpty( $this->widget_html_code_content_args );
$this->assertContains( '[filter:widget_html_code_content]', $output );
$this->assertNotContains( '<p>', $output );
$this->assertNotContains( '<br>', $output );
$this->assertNotContains( '</u>', $output );
$this->assertEquals( $instance, $this->widget_html_code_content_args[1] );
$this->assertSame( $widget, $this->widget_html_code_content_args[2] );
remove_filter( 'widget_html_code_content', array( $this, 'filter_widget_html_code_content' ), 5, 3 );
update_option( 'use_balanceTags', 1 );
ob_start();
$widget->widget( $args, $instance );
$output = ob_get_clean();
$this->assertContains( '</u>', $output );
}
/**
* Filters the content of the HTML Code widget.
*
* @param string $widget_content The widget content.
* @param array $instance Array of settings for the current widget.
* @param WP_Widget_HTML_Code $widget Current HTML Code widget instance.
* @return string Widget content.
*/
function filter_widget_html_code_content( $widget_content, $instance, $widget ) {
$this->widget_html_code_content_args = func_get_args();
$widget_content .= '[filter:widget_html_code_content]';
return $widget_content;
}
/**
* Test update method.
*
* @covers WP_Widget_HTML_Code::update
*/
function test_update() {
$widget = new WP_Widget_HTML_Code();
$instance = array(
'title' => "The\n<b>Title</b>",
'content' => "The\n\n<b>Code</b>",
);
wp_set_current_user( $this->factory()->user->create( array(
'role' => 'administrator',
) ) );
// Should return valid instance.
$expected = array(
'title' => sanitize_text_field( $instance['title'] ),
'content' => $instance['content'],
);
$result = $widget->update( $instance, array() );
$this->assertEquals( $result, $expected );
// Make sure KSES is applying as expected.
add_filter( 'map_meta_cap', array( $this, 'grant_unfiltered_html_cap' ), 10, 2 );
$this->assertTrue( current_user_can( 'unfiltered_html' ) );
$instance['content'] = '<script>alert( "Howdy!" );</script>';
$expected['content'] = $instance['content'];
$result = $widget->update( $instance, array() );
$this->assertEquals( $result, $expected );
remove_filter( 'map_meta_cap', array( $this, 'grant_unfiltered_html_cap' ) );
add_filter( 'map_meta_cap', array( $this, 'revoke_unfiltered_html_cap' ), 10, 2 );
$this->assertFalse( current_user_can( 'unfiltered_html' ) );
$instance['content'] = '<script>alert( "Howdy!" );</script>';
$expected['content'] = wp_kses_post( $instance['content'] );
$result = $widget->update( $instance, array() );
$this->assertEquals( $result, $expected );
remove_filter( 'map_meta_cap', array( $this, 'revoke_unfiltered_html_cap' ), 10 );
}
/**
* Grant unfiltered_html cap via map_meta_cap.
*
* @param array $caps Returns the user's actual capabilities.
* @param string $cap Capability name.
* @return array Caps.
*/
function grant_unfiltered_html_cap( $caps, $cap ) {
if ( 'unfiltered_html' === $cap ) {
$caps = array_diff( $caps, array( 'do_not_allow' ) );
$caps[] = 'unfiltered_html';
}
return $caps;
}
/**
* Revoke unfiltered_html cap via map_meta_cap.
*
* @param array $caps Returns the user's actual capabilities.
* @param string $cap Capability name.
* @return array Caps.
*/
function revoke_unfiltered_html_cap( $caps, $cap ) {
if ( 'unfiltered_html' === $cap ) {
$caps = array_diff( $caps, array( 'unfiltered_html' ) );
$caps[] = 'do_not_allow';
}
return $caps;
}
}