wordpress-develop/tests/phpunit/tests/comment/checkComment.php

<?php

/**
 * @group comment
 */
class Tests_Comment_CheckComment extends WP_UnitTestCase {
	public function test_should_return_true_when_comment_whitelist_is_disabled() {
		$author       = 'BobtheBuilder';
		$author_email = 'bob@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'comment_whitelist', 0 );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertTrue( $results );
	}

	public function test_should_return_false_when_comment_whitelist_is_enabled_and_author_does_not_have_approved_comment() {
		$author       = 'BobtheBuilder';
		$author_email = 'bob@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'comment_whitelist', 1 );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertFalse( $results );

	}

	public function test_should_return_true_when_comment_whitelist_is_enabled_and_author_has_approved_comment() {
		$post_id         = self::factory()->post->create();
		$prev_args       = array(
			'comment_post_ID'      => $post_id,
			'comment_content'      => 'Can we build it?',
			'comment_approved'     => 0,
			'comment_author_email' => 'bob@example.com',
			'comment_author'       => 'BobtheBuilder',
		);
		$prev_comment_id = self::factory()->comment->create( $prev_args );

		update_option( 'comment_whitelist', 1 );

		$author       = 'BobtheBuilder';
		$author_email = 'bob@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertFalse( $results );

		// Approve the previous comment.
		wp_update_comment(
			array(
				'comment_ID'       => $prev_comment_id,
				'comment_approved' => 1,
			)
		);
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertTrue( $results );
	}

	public function test_should_return_false_when_content_matches_moderation_key() {
		update_option( 'comment_whitelist', 0 );

		$author       = 'WendytheBuilder';
		$author_email = 'wendy@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'Has anyone seen Scoop?';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'moderation_keys', "foo\nbar\nscoop" );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertFalse( $results );
	}

	public function test_should_return_true_when_content_does_not_match_moderation_keys() {
		update_option( 'comment_whitelist', 0 );

		$author       = 'WendytheBuilder';
		$author_email = 'wendy@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'Has anyone seen Scoop?';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'moderation_keys', "foo\nbar" );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertTrue( $results );
	}

	public function test_should_return_false_when_link_count_exceeds_comment_max_length_setting() {
		update_option( 'comment_whitelist', 0 );

		$author       = 'BobtheBuilder';
		$author_email = 'bob@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'This is a comment with <a href="http://example.com">multiple</a> <a href="http://bob.example.com">links</a>.';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'comment_max_links', 2 );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertFalse( $results );
	}

	public function test_should_return_true_when_link_count_does_not_exceed_comment_max_length_setting() {
		update_option( 'comment_whitelist', 0 );

		$author       = 'BobtheBuilder';
		$author_email = 'bob@example.com';
		$author_url   = 'http://example.com';
		$comment      = 'This is a comment with <a href="http://example.com">multiple</a> <a href="http://bob.example.com">links</a>.';
		$author_ip    = '192.168.0.1';
		$user_agent   = '';
		$comment_type = '';

		update_option( 'comment_max_links', 3 );
		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
		$this->assertTrue( $results );
	}

	/**
	 * @ticket 28603
	 */
	public function test_should_return_true_when_comment_whitelist_is_enabled_and_user_has_previously_approved_comments_with_different_email() {
		$subscriber_id = $this->factory()->user->create(
			array(
				'role'  => 'subscriber',
				'email' => 'sub@example.com',
			)
		);

		// Make sure comment author has an approved comment.
		$this->factory->comment->create(
			array(
				'user_id'              => $subscriber_id,
				'comment_approved'     => '1',
				'comment_author'       => 'foo',
				'comment_author_email' => 'sub@example.com',
			)
		);

		$subscriber_user             = new WP_User( $subscriber_id );
		$subscriber_user->user_email = 'newsub@example.com';

		wp_update_user( $subscriber_user );

		update_option( 'comment_whitelist', 1 );

		$results = check_comment( 'foo', 'newsub@example.com', 'http://example.com', 'This is a comment.', '66.155.40.249', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:35.0) Gecko/20100101 Firefox/35.0', 'comment', 4 );
		$this->assertTrue( $results );
	}

	/**
	 * @ticket 28603
	 */
	public function test_should_return_false_when_comment_whitelist_is_enabled_and_user_does_not_have_a_previously_approved_comment_with_any_email() {
		$subscriber_id = $this->factory()->user->create(
			array(
				'role'  => 'subscriber',
				'email' => 'zig@example.com',
			)
		);

		$subscriber_user             = new WP_User( $subscriber_id );
		$subscriber_user->user_email = 'zag@example.com';

		wp_update_user( $subscriber_user );

		update_option( 'comment_whitelist', 1 );

		$results = check_comment( 'bar', 'zag@example.com', 'http://example.com', 'This is my first comment.', '66.155.40.249', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:35.0) Gecko/20100101 Firefox/35.0', 'comment', 4 );
		$this->assertFalse( $results );
	}
}