wp/tests/phpunit/tests/formatting/SanitizeTitleWithDashes.php

<?php

/**
 * @group formatting
 */
class Tests_Formatting_SanitizeTitleWithDashes extends WP_UnitTestCase {
	function test_strips_html() {
		$input    = 'Captain <strong>Awesome</strong>';
		$expected = 'captain-awesome';
		$this->assertSame( $expected, sanitize_title_with_dashes( $input ) );
	}

	function test_strips_unencoded_percent_signs() {
		$this->assertSame( 'fran%c3%a7ois', sanitize_title_with_dashes( 'fran%c3%a7%ois' ) );
	}

	function test_makes_title_lowercase() {
		$this->assertSame( 'abc', sanitize_title_with_dashes( 'ABC' ) );
	}

	function test_replaces_any_amount_of_whitespace_with_one_hyphen() {
		$this->assertSame( 'a-t', sanitize_title_with_dashes( 'a          t' ) );
		$this->assertSame( 'a-t', sanitize_title_with_dashes( "a    \n\n\nt" ) );
	}

	function test_replaces_any_number_of_hyphens_with_one_hyphen() {
		$this->assertSame( 'a-t-t', sanitize_title_with_dashes( 'a----t----t' ) );
	}

	function test_trims_trailing_hyphens() {
		$this->assertSame( 'a-t-t', sanitize_title_with_dashes( 'a----t----t----' ) );
	}

	function test_handles_non_entity_ampersands() {
		$this->assertSame( 'penn-teller-bull', sanitize_title_with_dashes( 'penn & teller bull' ) );
	}

	public function test_strips_nbsp_ndash_and_amp() {
		$this->assertSame( 'no-entities-here', sanitize_title_with_dashes( 'No &nbsp; Entities &ndash; Here &amp;' ) );
	}

	public function test_strips_encoded_ampersand() {
		$this->assertSame( 'one-two', sanitize_title_with_dashes( 'One &amp; Two', '', 'save' ) );
	}

	public function test_strips_url_encoded_ampersand() {
		$this->assertSame( 'one-two', sanitize_title_with_dashes( 'One &#123; Two;', '', 'save' ) );
	}

	public function test_strips_trademark_symbol() {
		$this->assertSame( 'one-two', sanitize_title_with_dashes( 'One Two™;', '', 'save' ) );
	}

	public function test_strips_unencoded_ampersand_followed_by_encoded_ampersand() {
		$this->assertSame( 'one-two', sanitize_title_with_dashes( 'One &&amp; Two;', '', 'save' ) );
	}

	public function test_strips_unencoded_ampersand_when_not_surrounded_by_spaces() {
		$this->assertSame( 'onetwo', sanitize_title_with_dashes( 'One&Two', '', 'save' ) );
	}

	function test_replaces_nbsp() {
		$this->assertSame( 'dont-break-the-space', sanitize_title_with_dashes( "don't break the space", '', 'save' ) );
	}

	/**
	 * @ticket 31790
	 */
	function test_replaces_nbsp_entities() {
		$this->assertSame( 'dont-break-the-space', sanitize_title_with_dashes( "don't&nbsp;break&#160;the&nbsp;space", '', 'save' ) );
	}

	function test_replaces_ndash_mdash() {
		$this->assertSame( 'do-the-dash', sanitize_title_with_dashes( 'Do – the Dash', '', 'save' ) );
		$this->assertSame( 'do-the-dash', sanitize_title_with_dashes( 'Do the — Dash', '', 'save' ) );
	}

	/**
	 * @ticket 31790
	 */
	function test_replaces_ndash_mdash_entities() {
		$this->assertSame( 'do-the-dash', sanitize_title_with_dashes( 'Do &ndash; the &#8211; Dash', '', 'save' ) );
		$this->assertSame( 'do-the-dash', sanitize_title_with_dashes( 'Do &mdash; the &#8212; Dash', '', 'save' ) );
	}

	function test_replaces_iexcel_iquest() {
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( 'Just ¡a Slug', '', 'save' ) );
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( 'Just a Slug¿', '', 'save' ) );
	}

	function test_replaces_angle_quotes() {
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( '‹Just a Slug›', '', 'save' ) );
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( '«Just a Slug»', '', 'save' ) );
	}

	function test_replaces_curly_quotes() {
		$this->assertSame( 'hey-its-curly-joe', sanitize_title_with_dashes( 'Hey its “Curly Joe”', '', 'save' ) );
		$this->assertSame( 'hey-its-curly-joe', sanitize_title_with_dashes( 'Hey its ‘Curly Joe’', '', 'save' ) );
		$this->assertSame( 'hey-its-curly-joe', sanitize_title_with_dashes( 'Hey its „Curly Joe“', '', 'save' ) );
		$this->assertSame( 'hey-its-curly-joe', sanitize_title_with_dashes( 'Hey its ‚Curly Joe‛', '', 'save' ) );
		$this->assertSame( 'hey-its-curly-joe', sanitize_title_with_dashes( 'Hey its „Curly Joe‟', '', 'save' ) );
	}

	/**
	 * @ticket 49791
	 */
	function test_replaces_bullet() {
		$this->assertSame( 'fancy-title-amazing', sanitize_title_with_dashes( 'Fancy Title • Amazing', '', 'save' ) );
	}

	function test_replaces_copy_reg_deg_trade() {
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( 'Just © a Slug', '', 'save' ) );
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( '® Just a Slug', '', 'save' ) );
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( 'Just a ° Slug', '', 'save' ) );
		$this->assertSame( 'just-a-slug', sanitize_title_with_dashes( 'Just ™ a Slug', '', 'save' ) );
	}

	/**
	 * @ticket 10792
	 */
	function test_replaces_forward_slash() {
		$this->assertSame( 'songs-by-lennon-mccartney', sanitize_title_with_dashes( 'songs by Lennon/McCartney', '', 'save' ) );
		$this->assertSame( 'songs-by-lennon-mccartney', sanitize_title_with_dashes( 'songs by Lennon//McCartney', '', 'save' ) );
		$this->assertSame( 'songs-by-lennon-mccartney', sanitize_title_with_dashes( 'songs by Lennon///McCartney', '', 'save' ) );
		$this->assertSame( 'songs-by-lennon-mccartney', sanitize_title_with_dashes( 'songs by Lennon/-McCartney', '', 'save' ) );
		$this->assertSame( 'songs-by-lennon-mccartney', sanitize_title_with_dashes( '//songs by Lennon/McCartney', '', 'save' ) );
	}

	/**
	 * @ticket 19820
	 */
	function test_replaces_multiply_sign() {
		$this->assertSame( '6x7-is-42', sanitize_title_with_dashes( '6×7 is 42', '', 'save' ) );
	}

	/**
	 * @ticket 20772
	 */
	function test_replaces_standalone_diacritic() {
		$this->assertSame( 'aaaa', sanitize_title_with_dashes( 'āáǎà', '', 'save' ) );
	}

	/**
	 * @ticket 22395
	 */
	function test_replaces_acute_accents() {
		$this->assertSame( 'aaaa', sanitize_title_with_dashes( 'ááa´aˊ', '', 'save' ) );
	}

}