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atom.php
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284 lines (246 loc) · 9.27 KB
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<?php
/**
* Test the Atom feed by generating a feed, parsing it, and checking that the
* parsed contents match the contents of the posts stored in the database. Since
* we're using a real XML parser, this confirms that the feed is valid, well formed,
* and contains the right stuff.
*
* @group feed
*/
class Tests_Feeds_Atom extends WP_UnitTestCase {
public static $user_id;
public static $posts;
public static $category;
/**
* Setup a new user and attribute some posts.
*/
public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
// Create a user.
self::$user_id = $factory->user->create(
array(
'role' => 'author',
'user_login' => 'test_author',
'display_name' => 'Test A. Uthor',
)
);
// Create a taxonomy.
self::$category = self::factory()->category->create_and_get(
array(
'name' => 'Test Category',
'slug' => 'test-cat',
)
);
$count = get_option( 'posts_per_rss' ) + 1;
// Create a few posts.
self::$posts = $factory->post->create_many(
$count,
array(
'post_author' => self::$user_id,
'post_content' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec velit massa, ultrices eu est suscipit, mattis posuere est. Donec vitae purus lacus. Cras vitae odio odio.',
'post_excerpt' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
)
);
// Assign a category to those posts.
foreach ( self::$posts as $post ) {
wp_set_object_terms( $post, self::$category->slug, 'category' );
}
}
/**
* Setup.
*/
public function setUp() {
parent::setUp();
$this->post_count = (int) get_option( 'posts_per_rss' );
$this->excerpt_only = get_option( 'rss_use_excerpt' );
}
/**
* This is a bit of a hack used to buffer feed content.
*/
function do_atom() {
ob_start();
// Nasty hack! In the future it would better to leverage do_feed( 'atom' ).
global $post;
try {
// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
@require ABSPATH . 'wp-includes/feed-atom.php';
$out = ob_get_clean();
} catch ( Exception $e ) {
$out = ob_get_clean();
throw( $e );
}
return $out;
}
/**
* Test the <feed> element to make sure its present and populated
* with the expected child elements and attributes.
*/
function test_feed_element() {
$this->go_to( '/?feed=atom' );
$feed = $this->do_atom();
$xml = xml_to_array( $feed );
// Get the <feed> child element of <xml>.
$atom = xml_find( $xml, 'feed' );
// There should only be one <feed> child element.
$this->assertCount( 1, $atom );
// Verify attributes.
$this->assertSame( 'http://www.w3.org/2005/Atom', $atom[0]['attributes']['xmlns'] );
$this->assertSame( 'http://purl.org/syndication/thread/1.0', $atom[0]['attributes']['xmlns:thr'] );
$this->assertSame( site_url( '/wp-atom.php' ), $atom[0]['attributes']['xml:base'] );
// Verify the <feed> element is present and contains a <title> child element.
$title = xml_find( $xml, 'feed', 'title' );
$this->assertSame( get_option( 'blogname' ), $title[0]['content'] );
// Verify the <feed> element is present and contains a <updated> child element.
$updated = xml_find( $xml, 'feed', 'updated' );
$this->assertSame( strtotime( get_lastpostmodified() ), strtotime( $updated[0]['content'] ) );
// Verify the <feed> element is present and contains a <subtitle> child element.
$subtitle = xml_find( $xml, 'feed', 'subtitle' );
$this->assertSame( get_option( 'blogdescription' ), $subtitle[0]['content'] );
// Verify the <feed> element is present and contains two <link> child elements.
$link = xml_find( $xml, 'feed', 'link' );
$this->assertCount( 2, $link );
// Verify the <feed> element is present and contains a <link rel="alternate"> child element.
$this->assertSame( 'alternate', $link[0]['attributes']['rel'] );
$this->assertSame( home_url(), $link[0]['attributes']['href'] );
// Verify the <feed> element is present and contains a <link rel="href"> child element.
$this->assertSame( 'self', $link[1]['attributes']['rel'] );
$this->assertSame( home_url( '/?feed=atom' ), $link[1]['attributes']['href'] );
}
/**
* Validate <entry> child elements.
*/
function test_entry_elements() {
$this->go_to( '/?feed=atom' );
$feed = $this->do_atom();
$xml = xml_to_array( $feed );
// Get all the <entry> child elements of the <feed> element.
$entries = xml_find( $xml, 'feed', 'entry' );
// Verify we are displaying the correct number of posts.
$this->assertCount( $this->post_count, $entries );
// We really only need to test X number of entries unless the content is different.
$entries = array_slice( $entries, 1 );
// Check each of the desired entries against the known post data.
foreach ( $entries as $key => $entry ) {
// Get post for comparison.
$id = xml_find( $entries[ $key ]['child'], 'id' );
preg_match( '/\?p=(\d+)/', $id[0]['content'], $matches );
$post = get_post( $matches[1] );
// Author.
$author = xml_find( $entries[ $key ]['child'], 'author', 'name' );
$user = new WP_User( $post->post_author );
$this->assertSame( $user->display_name, $author[0]['content'] );
// Title.
$title = xml_find( $entries[ $key ]['child'], 'title' );
$this->assertSame( $post->post_title, $title[0]['content'] );
// Link rel="alternate".
$link_alts = xml_find( $entries[ $key ]['child'], 'link' );
foreach ( $link_alts as $link_alt ) {
if ( 'alternate' === $link_alt['attributes']['rel'] ) {
$this->assertSame( get_permalink( $post ), $link_alt['attributes']['href'] );
}
}
// ID.
$guid = xml_find( $entries[ $key ]['child'], 'id' );
$this->assertSame( $post->guid, $id[0]['content'] );
// Updated.
$updated = xml_find( $entries[ $key ]['child'], 'updated' );
$this->assertSame( strtotime( $post->post_modified_gmt ), strtotime( $updated[0]['content'] ) );
// Published.
$published = xml_find( $entries[ $key ]['child'], 'published' );
$this->assertSame( strtotime( $post->post_date_gmt ), strtotime( $published[0]['content'] ) );
// Category.
foreach ( get_the_category( $post->ID ) as $term ) {
$terms[] = $term->name;
}
$categories = xml_find( $entries[ $key ]['child'], 'category' );
foreach ( $categories as $category ) {
$this->assertContains( $category['attributes']['term'], $terms );
}
unset( $terms );
// Content.
if ( ! $this->excerpt_only ) {
$content = xml_find( $entries[ $key ]['child'], 'content' );
$this->assertSame( trim( apply_filters( 'the_content', $post->post_content ) ), trim( $content[0]['content'] ) );
}
// Link rel="replies".
$link_replies = xml_find( $entries[ $key ]['child'], 'link' );
foreach ( $link_replies as $link_reply ) {
if ( 'replies' === $link_reply['attributes']['rel'] && 'application/atom+xml' === $link_reply['attributes']['type'] ) {
$this->assertSame( get_post_comments_feed_link( $post->ID, 'atom' ), $link_reply['attributes']['href'] );
}
}
}
}
/**
* @ticket 33591
*/
function test_atom_enclosure_with_extended_url_length_type_parsing() {
$enclosures = array(
array(
// URL, length, type.
'actual' => "https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4\n318465\nvideo/mp4",
'expected' => array(
'href' => 'https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4',
'length' => 318465,
'type' => 'video/mp4',
),
),
array(
// URL, type, length.
'actual' => "https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4\nvideo/mp4\n318465",
'expected' => array(
'href' => 'https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4',
'length' => 318465,
'type' => 'video/mp4',
),
),
array(
// URL, length.
'actual' => "https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4\n318465",
'expected' => array(
'href' => 'https://wordpress.dev/wp-content/uploads/2017/09/movie.mp4',
'length' => 318465,
'type' => '',
),
),
array(
// URL, type.
'actual' => "https://wordpress.dev/wp-content/uploads/2017/01/audio.mp3\n\naudio/mpeg",
'expected' => array(
'href' => 'https://wordpress.dev/wp-content/uploads/2017/01/audio.mp3',
'length' => 0,
'type' => 'audio/mpeg',
),
),
array(
// URL.
'actual' => 'https://wordpress.dev/wp-content/uploads/2016/01/test.mp4',
'expected' => array(
'href' => 'https://wordpress.dev/wp-content/uploads/2016/01/test.mp4',
'length' => 0,
'type' => '',
),
),
);
$post_id = end( self::$posts );
foreach ( $enclosures as $enclosure ) {
add_post_meta( $post_id, 'enclosure', $enclosure['actual'] );
}
$this->go_to( '/?feed=atom' );
$feed = $this->do_atom();
$xml = xml_to_array( $feed );
$entries = xml_find( $xml, 'feed', 'entry' );
$entries = array_slice( $entries, 0, 1 );
foreach ( $entries as $key => $entry ) {
$links = xml_find( $entries[ $key ]['child'], 'link' );
$i = 0;
foreach ( (array) $links as $link ) {
if ( 'enclosure' === $link['attributes']['rel'] ) {
$this->assertSame( $enclosures[ $i ]['expected']['href'], $link['attributes']['href'] );
$this->assertEquals( $enclosures[ $i ]['expected']['length'], $link['attributes']['length'] );
$this->assertSame( $enclosures[ $i ]['expected']['type'], $link['attributes']['type'] );
$i++;
}
}
}
}
}