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<?php

class Text_helper_test extends CI_TestCase {

	public function set_up()
	{
		$this->helper('text');
	}

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

	public function test_word_limiter()
	{
		$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.';

		$this->assertEquals('Once upon a time,&#8230;', word_limiter($long_string, 4));
		$this->assertEquals('Once upon a time,&hellip;', word_limiter($long_string, 4, '&hellip;'));
		$this->assertEquals('', word_limiter('', 4));
	}

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

	public function test_character_limiter()
	{
		$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.';

		$this->assertEquals('Once upon a time, a&#8230;', character_limiter($long_string, 20));
		$this->assertEquals('Once upon a time, a&hellip;', character_limiter($long_string, 20, '&hellip;'));
		$this->assertEquals('Short', character_limiter('Short', 20));
		$this->assertEquals('Short', character_limiter('Short', 5));
	}

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

	public function test_ascii_to_entities()
	{
		$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 test_entities_to_ascii()
	{
		$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 test_convert_accented_characters()
	{
		$path = 'application/config/foreign_chars.php';
		$this->ci_vfs_clone($path);
		if (is_php('7.4'))
		{
			copy(PROJECT_BASE.$path, APPPATH.'../'.$path);
		}
		$this->assertEquals('AAAeEEEIIOOEUUUeY', convert_accented_characters('ÀÂÄÈÊËÎÏÔŒÙÛÜŸ'));
		$this->assertEquals('a e i o u n ue', convert_accented_characters('á é í ó ú ñ ü'));
	}

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

	public function test_censored_words()
	{
		$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 test_highlight_code()
	{
		$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('<?php var_dump($this); ?>'));
	}

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

	/**
	 * @runInSeparateProcess
	 */
	public function test_highlight_phrase()
	{
		define('UTF8_ENABLED', FALSE);

		$strs = array(
			'this is a phrase'          => '<mark>this is</mark> a phrase',
			'this is another'           => '<mark>this is</mark> another',
			'Gimme a test, Sally'       => 'Gimme a test, Sally',
			'Or tell me what this is'   => 'Or tell me what <mark>this is</mark>',
			''                          => ''
		);

		foreach ($strs as $str => $expect)
		{
			$this->assertEquals($expect, highlight_phrase($str, 'this is'));
		}

		$this->assertEquals('<strong>this is</strong> a strong test', highlight_phrase('this is a strong test', 'this is', '<strong>', '</strong>'));
	}

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

	public function test_ellipsize()
	{
		$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));
			}
		}
	}

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

	public function test_word_wrap()
	{
		$string = 'Here is a simple string of text that will help us demonstrate this function.';
		$this->assertEquals(substr_count(word_wrap($string, 25), "\n"), 4);
	}

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

	public function test_default_word_wrap_charlim()
	{
		$string = "Here is a longer string of text that will help us demonstrate the default charlim of this function.";
		$this->assertEquals(strpos(word_wrap($string), "\n"), 73);
	}

}