From 15a0c621eaddf5777a9f3c03d83f774502597be6 Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@git.wordpress.org>
Date: Wed, 20 May 2015 19:08:07 +0000
Subject: [PATCH] Add tests for `check_comment()`.

Props CalEvans, rachelbaker.
Fixes #31108.

git-svn-id: https://develop.svn.wordpress.org/trunk@32519 602fd350-edb4-49c9-b593-d223f7449a82
---
 tests/phpunit/tests/comment/checkComment.php | 127 +++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 tests/phpunit/tests/comment/checkComment.php

diff --git a/tests/phpunit/tests/comment/checkComment.php b/tests/phpunit/tests/comment/checkComment.php
new file mode 100644
index 0000000000..702e903838
--- /dev/null
+++ b/tests/phpunit/tests/comment/checkComment.php
@@ -0,0 +1,127 @@
+<?php
+
+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 = $this->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 = $this->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() {
+		$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->assertFalse( $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 );
+	}
+}