wp/tests/phpunit/tests/post/filtering.php

<?php

// save and fetch posts to make sure content is properly filtered.
// these tests don't care what code is responsible for filtering or how it is called, just that it happens when a post is saved.

/**
 * @group post
 * @group formatting
 */
class Tests_Post_Filtering extends WP_UnitTestCase {
	function setUp() {
		parent::setUp();
		update_option('use_balanceTags', 1);
		kses_init_filters();

	}

	function tearDown() {
		kses_remove_filters();
		parent::tearDown();
	}

	// a simple test to make sure unclosed tags are fixed
	function test_post_content_unknown_tag() {

		$content = <<<EOF
<foobar>no such tag</foobar>
EOF;

		$expected = <<<EOF
no such tag
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	// a simple test to make sure unbalanced tags are fixed
	function test_post_content_unbalanced_tag() {

		$content = <<<EOF
<i>italics
EOF;

		$expected = <<<EOF
<i>italics</i>
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	// test kses filtering of disallowed attribute
	function test_post_content_disallowed_attr() {

		$content = <<<EOF
<img src='foo' width='500' href='shlorp' />
EOF;

		$expected = <<<EOF
<img src='foo' width='500' />
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	/**
	 * test kses bug. xhtml does not require space before closing empty element
	 * @ticket 12394
	 */
	function test_post_content_xhtml_empty_elem() {
		$content = <<<EOF
<img src='foo' width='500' height='300'/>
EOF;

		$expected = <<<EOF
<img src='foo' width='500' height='300' />
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	/**
	 * make sure unbalanced tags are fixed when they span a --more-- tag
	 * @ticket 6297
	 */
	function test_post_content_unbalanced_more() {
		$content = <<<EOF
<em>some text<!--more-->
that's continued after the jump</em>
EOF;

		$expected = <<<EOF
<em>some text</em><!--more-->
that's continued after the jump
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	/**
	 * make sure unbalanced tags are fixed when they span a --nextpage-- tag
	 * @ticket 6297
	 */
	function test_post_content_unbalanced_nextpage() {
		$content = <<<EOF
<em>some text<!--nextpage-->
that's continued after the jump</em>
EOF;

		$expected = <<<EOF
<em>some text</em><!--nextpage-->
that's continued after the jump
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	/**
	 * make sure unbalanced tags are fixed when they span both --more-- and --nextpage-- tags (in that order)
	 * @ticket 6297
	 */
	function test_post_content_unbalanced_more_nextpage() {
		$content = <<<EOF
<em>some text<!--more-->
that's continued after the jump</em>
<!--nextpage-->
<p>and the next page
<!--nextpage-->
breaks the graf</p>
EOF;

		$expected = <<<EOF
<em>some text</em><!--more-->
that's continued after the jump
<!--nextpage-->
<p>and the next page
</p><!--nextpage-->
breaks the graf
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	/**
	 * make sure unbalanced tags are fixed when they span both --nextpage-- and --more-- tags (in that order)
	 * @ticket 6297
	 */
	function test_post_content_unbalanced_nextpage_more() {
		$content = <<<EOF
<em>some text<!--nextpage-->
that's continued after the jump</em>
<!--more-->
<p>and the next page
<!--nextpage-->
breaks the graf</p>
EOF;

		$expected = <<<EOF
<em>some text</em><!--nextpage-->
that's continued after the jump
<!--more-->
<p>and the next page
</p><!--nextpage-->
breaks the graf
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $expected, $post->post_content );
	}

	// make sure unbalanced tags are untouched when the balance option is off
	function test_post_content_nobalance_nextpage_more() {

		update_option('use_balanceTags', 0);

		$content = <<<EOF
<em>some text<!--nextpage-->
that's continued after the jump</em>
<!--more-->
<p>and the next page
<!--nextpage-->
breaks the graf</p>
EOF;

		$id = $this->factory->post->create( array( 'post_content' => $content ) );
		$post = get_post($id);

		$this->assertEquals( $content, $post->post_content );
	}
}