tests/codeigniter/helpers/text_helper_test.php

<?php

require_once(BASEPATH.'helpers/text_helper.php');

class Text_helper_test extends CI_TestCase
{
	private $_long_string;
	
	public function setUp()
	{
		$this->_long_string = 'Once upon a time, a framework had no tests.  It sad.  So some nice people began to write tests.  The more time that went on, the happier it became.  Everyone was happy.';
	}
	
	// ------------------------------------------------------------------------
	
	public function testWordLimiter()
	{
		$this->assertEquals('Once upon a time,&#8230;', word_limiter($this->_long_string, 4));
		$this->assertEquals('Once upon a time,&hellip;', word_limiter($this->_long_string, 4, '&hellip;'));
		$this->assertEquals('', word_limiter('', 4));
	}

	// ------------------------------------------------------------------------	
	
	public function testCharacterLimiter()
	{
		$this->assertEquals('Once upon a time, a&#8230;', character_limiter($this->_long_string, 20));
		$this->assertEquals('Once upon a time, a&hellip;', character_limiter($this->_long_string, 20, '&hellip;'));
		$this->assertEquals('Short', character_limiter('Short', 20));
		$this->assertEquals('Short', character_limiter('Short', 5));
	}

	// ------------------------------------------------------------------------	
	
	public function testAsciiToEntities()
	{
		$strs = array(
			'“‘ “test”'			=> '&#8220;&#8216; &#8220;test&#8221;',
			'†¥¨ˆøåß∂ƒ©˙∆˚¬'	=> '&#8224;&#165;&#168;&#710;&#248;&#229;&#223;&#8706;&#402;&#169;&#729;&#8710;&#730;&#172;'
		);
		
		foreach ($strs as $str => $expect)
		{
			$this->assertEquals($expect, ascii_to_entities($str));
		}
	}

	// ------------------------------------------------------------------------	

	public function testEntitiesToAscii()
	{
		$strs = array(
			'&#8220;&#8216; &#8220;test&#8221;' => '“‘ “test”',
			'&#8224;&#165;&#168;&#710;&#248;&#229;&#223;&#8706;&#402;&#169;&#729;&#8710;&#730;&#172;' => '†¥¨ˆøåß∂ƒ©˙∆˚¬'
		);
		
		foreach ($strs as $str => $expect)
		{
			$this->assertEquals($expect, entities_to_ascii($str));
		}		
	}

	// ------------------------------------------------------------------------	
	
	public function testCensoredWords()
	{
		$censored = array('boob', 'nerd', 'ass', 'fart');
		
		$strs = array(
			'Ted bobbled the ball' 			=> 'Ted bobbled the ball',
			'Jake is a nerdo'				=> 'Jake is a nerdo',
			'The borg will assimilate you'	=> 'The borg will assimilate you',
			'Did Mary Fart?'				=> 'Did Mary $*#?',
			'Jake is really a boob'			=> 'Jake is really a $*#'
		);
		
		
		foreach ($strs as $str => $expect)
		{
			$this->assertEquals($expect, word_censor($str, $censored, '$*#'));
		}
		
		// test censored words being sent as a string
		$this->assertEquals('test', word_censor('test', 'test'));
	}

	// ------------------------------------------------------------------------	

	public function testHighlightCode()
	{
		$code = '<?php var_dump($this); ?>';
		$expect = "<code><span style=\"color: #000000\">\n<span style=\"color: #0000BB\">&lt;?php&nbsp;var_dump</span><span style=\"color: #007700\">(</span><span style=\"color: #0000BB\">\$this</span><span style=\"color: #007700\">);&nbsp;</span><span style=\"color: #0000BB\">?&gt;&nbsp;</span>\n</span>\n</code>";

		$this->assertEquals($expect, highlight_code($code));
	}

	// ------------------------------------------------------------------------	

	public function testHighlightPhrase()
	{
		$strs = array(
			'this is a phrase'			=> '<strong>this is</strong> a phrase',
			'this is another'			=> '<strong>this is</strong> another',
			'Gimme a test, Sally'		=> 'Gimme a test, Sally',
			'Or tell me what this is'	=> 'Or tell me what <strong>this is</strong>',
			''							=> ''
		);
		
		foreach ($strs as $str => $expect)
		{
			$this->assertEquals($expect, highlight_phrase($str, 'this is'));
		}
	}

	// ------------------------------------------------------------------------	

	public function testEllipsizing()
	{
		$strs = array(
			'0'		=> array(
				'this is my string'				=> '&hellip; my string',
				"here's another one"			=> '&hellip;nother one',
				'this one is just a bit longer'	=> '&hellip;bit longer',
				'short'							=> 'short'
			),
			'.5'	=> array(
				'this is my string'				=> 'this &hellip;tring',
				"here's another one"			=> "here'&hellip;r one",
				'this one is just a bit longer'	=> 'this &hellip;onger',
				'short'							=> 'short'
			),
			'1'	=> array(
				'this is my string'				=> 'this is my&hellip;',
				"here's another one"			=> "here's ano&hellip;",
				'this one is just a bit longer'	=> 'this one i&hellip;',
				'short'							=> 'short'
			),
		);
		
		foreach ($strs as $pos => $s)
		{
			foreach ($s as $str => $expect)
			{
				$this->assertEquals($expect, ellipsize($str, 10, $pos));				
			}
		}
	}

	// ------------------------------------------------------------------------	

}