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Menus: In `Walker_Nav_Menu`, `Walker_Category`, and `Walker_Page`, properly output link attributes having a legitimate "empty" value, for example an HTML data attribute with a value of zero (0). 

Props nevma, AkSDvP, greenshady, SergeyBiryukov.
Fixes #47720.

git-svn-id: https://develop.svn.wordpress.org/trunk@46413 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2019-10-06 15:04:18 +00:00
parent ed1a53588f
commit f6267a04ee
7 changed files with 267 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/wp-includes/class-walker-category.php
View File

@ -139,7 +139,7 @@ class Walker_Category extends Walker {
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
if ( is_scalar( $value ) && '' !== $value && false !== $value ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}

2
src/wp-includes/class-walker-nav-menu.php
View File

@ -203,7 +203,7 @@ class Walker_Nav_Menu extends Walker {
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
if ( is_scalar( $value ) && '' !== $value && false !== $value ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}

2
src/wp-includes/class-walker-page.php
View File

@ -182,7 +182,7 @@ class Walker_Page extends Walker {
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
if ( is_scalar( $value ) && '' !== $value && false !== $value ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}

92
tests/phpunit/tests/category/walkerCategory.php Normal file
View File

@ -0,0 +1,92 @@
<?php
/**
* @group taxonomy
* @group walker
*/
class Tests_Category_Walker_Category extends WP_UnitTestCase {
/**
* @var \Walker_Category The instance of the walker.
*/
public $walker;
/**
* Setup.
*/
public function setUp() {
parent::setUp();
/** Walker_Category class */
require_once ABSPATH . 'wp-includes/class-walker-category.php';
$this->walker = new Walker_Category();
}
/**
* @ticket 47720
*
* @dataProvider data_start_el_with_empty_attributes
*/
public function test_start_el_with_empty_attributes( $value, $expected ) {
$output = '';
$category = $this->factory->category->create_and_get();
$link = get_term_link( $category );
$args = array(
'use_desc_for_title' => 0,
'style' => 'list',
);
add_filter(
'category_list_link_attributes',
function( $atts ) use ( $value ) {
$atts['data-test'] = $value;
return $atts;
}
);
$this->walker->start_el( $output, $category, 0, $args );
if ( '' !== $expected ) {
$expected = sprintf( ' data-test="%s"', $expected );
}
$this->assertSame( "<li class=\"cat-item cat-item-{$category->term_id}\"><a href=\"{$link}\"{$expected}>{$category->name}</a>", trim( $output ) );
}
public function data_start_el_with_empty_attributes() {
return array(
array(
'',
'',
),
array(
0,
'0',
),
array(
0.0,
'0',
),
array(
'0',
'0',
),
array(
null,
'',
),
array(
false,
'',
),
array(
true,
'1',
),
array(
array(),
'',
),
);
}
}

2
tests/phpunit/tests/menu/walker-nav-menu-edit.php
View File

@ -4,7 +4,7 @@
* @group navmenus
* @group walker
*/
class Tests_Walker_Nav_Menu_Edit extends WP_UnitTestCase {
class Tests_Menu_Walker_Nav_Menu_Edit extends WP_UnitTestCase {
protected $_wp_nav_menu_max_depth;
function setUp() {

88
tests/phpunit/tests/menu/walker-nav-menu.php
View File

@ -3,7 +3,7 @@
* @group navmenus
* @group walker
*/
class Tests_Walker_Nav_Menu extends WP_UnitTestCase {
class Tests_Menu_Walker_Nav_Menu extends WP_UnitTestCase {
/**
* @var \Walker_Nav_Menu The instance of the walker.
@ -18,7 +18,7 @@ class Tests_Walker_Nav_Menu extends WP_UnitTestCase {
parent::setUp();
/** Walker_Nav_Menu_Edit class */
/** Walker_Nav_Menu class */
require_once ABSPATH . 'wp-includes/class-walker-nav-menu.php';
$this->walker = new Walker_Nav_Menu();
@ -37,9 +37,9 @@ class Tests_Walker_Nav_Menu extends WP_UnitTestCase {
}
/**
* Tests when an items target it _blank, that rel="'noopener noreferrer" is added.
* Tests when an item's target is _blank, that rel="noopener noreferrer" is added.
*
* @ticket #43290
* @ticket 43290
*/
public function test_noopener_no_referrer_for_target_blank() {
$expected = '';
@ -66,4 +66,84 @@ class Tests_Walker_Nav_Menu extends WP_UnitTestCase {
$this->assertSame( "<li id=\"menu-item-{$post_id}\" class=\"menu-item-{$post_id}\"><a target=\"_blank\" rel=\"noopener noreferrer\">{$post_title}</a>", $expected );
}
/**
* @ticket 47720
*
* @dataProvider data_start_el_with_empty_attributes
*/
public function test_start_el_with_empty_attributes( $value, $expected ) {
$output = '';
$post_id = $this->factory->post->create();
$post_title = get_the_title( $post_id );
$item = array(
'ID' => $post_id,
'object_id' => $post_id,
'title' => $post_title,
'target' => '',
'xfn' => '',
'current' => false,
);
$args = array(
'before' => '',
'after' => '',
'link_before' => '',
'link_after' => '',
);
add_filter(
'nav_menu_link_attributes',
function( $atts ) use ( $value ) {
$atts['data-test'] = $value;
return $atts;
}
);
$this->walker->start_el( $output, (object) $item, 0, (object) $args );
if ( '' !== $expected ) {
$expected = sprintf( ' data-test="%s"', $expected );
}
$this->assertSame( "<li id=\"menu-item-{$post_id}\" class=\"menu-item-{$post_id}\"><a{$expected}>{$post_title}</a>", $output );
}
public function data_start_el_with_empty_attributes() {
return array(
array(
'',
'',
),
array(
0,
'0',
),
array(
0.0,
'0',
),
array(
'0',
'0',
),
array(
null,
'',
),
array(
false,
'',
),
array(
true,
'1',
),
array(
array(),
'',
),
);
}
}

87
tests/phpunit/tests/post/walkerPage.php Normal file
View File

@ -0,0 +1,87 @@
<?php
/**
* @group post
* @group walker
*/
class Tests_Post_Walker_Page extends WP_UnitTestCase {
/**
* @var \Walker_Page The instance of the walker.
*/
public $walker;
/**
* Setup.
*/
public function setUp() {
parent::setUp();
/** Walker_Page class */
require_once ABSPATH . 'wp-includes/class-walker-page.php';
$this->walker = new Walker_Page();
}
/**
* @ticket 47720
*
* @dataProvider data_start_el_with_empty_attributes
*/
public function test_start_el_with_empty_attributes( $value, $expected ) {
$output = '';
$page = $this->factory->post->create_and_get( array( 'post_type' => 'page' ) );
$link = get_permalink( $page );
add_filter(
'page_menu_link_attributes',
function( $atts ) use ( $value ) {
$atts['data-test'] = $value;
return $atts;
}
);
$this->walker->start_el( $output, $page, 0 );
if ( '' !== $expected ) {
$expected = sprintf( ' data-test="%s"', $expected );
}
$this->assertSame( "<li class=\"page_item page-item-{$page->ID}\"><a href=\"{$link}\"{$expected}>{$page->post_title}</a>", $output );
}
public function data_start_el_with_empty_attributes() {
return array(
array(
'',
'',
),
array(
0,
'0',
),
array(
0.0,
'0',
),
array(
'0',
'0',
),
array(
null,
'',
),
array(
false,
'',
),
array(
true,
'1',
),
array(
array(),
'',
),
);
}
}