tests/LinkUtilsTest.php

   1 <?php
   2
   3 require_once 'application/LinkUtils.php';
   4
   5 /**
   6 * Class LinkUtilsTest.
   7 */
   8 class LinkUtilsTest extends PHPUnit_Framework_TestCase
   9 {
  10     /**
  11      * Test html_extract_title() when the title is found.
  12      */
  13     public function testHtmlExtractExistentTitle()
  14     {
  15         $title = 'Read me please.';
  16         $html = '<html><meta>stuff</meta><title>'. $title .'</title></html>';
  17         $this->assertEquals($title, html_extract_title($html));
  18         $html = '<html><title>'. $title .'</title>blabla<title>another</title></html>';
  19         $this->assertEquals($title, html_extract_title($html));
  20     }
  21
  22     /**
  23      * Test html_extract_title() when the title is not found.
  24      */
  25     public function testHtmlExtractNonExistentTitle()
  26     {
  27         $html = '<html><meta>stuff</meta></html>';
  28         $this->assertFalse(html_extract_title($html));
  29     }
  30
  31     /**
  32      * Test get_charset() with all priorities.
  33      */
  34     public function testGetCharset()
  35     {
  36         $headers = array('Content-Type' => 'text/html; charset=Headers');
  37         $html = '<html><meta>stuff</meta><meta charset="Html"/></html>';
  38         $default = 'default';
  39         $this->assertEquals('headers', get_charset($headers, $html, $default));
  40         $this->assertEquals('html', get_charset(array(), $html, $default));
  41         $this->assertEquals($default, get_charset(array(), '', $default));
  42         $this->assertEquals('utf-8', get_charset(array(), ''));
  43     }
  44
  45     /**
  46      * Test headers_extract_charset() when the charset is found.
  47      */
  48     public function testHeadersExtractExistentCharset()
  49     {
  50         $charset = 'x-MacCroatian';
  51         $headers = array('Content-Type' => 'text/html; charset='. $charset);
  52         $this->assertEquals(strtolower($charset), headers_extract_charset($headers));
  53     }
  54
  55     /**
  56      * Test headers_extract_charset() when the charset is not found.
  57      */
  58     public function testHeadersExtractNonExistentCharset()
  59     {
  60         $headers = array();
  61         $this->assertFalse(headers_extract_charset($headers));
  62
  63         $headers = array('Content-Type' => 'text/html');
  64         $this->assertFalse(headers_extract_charset($headers));
  65     }
  66
  67     /**
  68      * Test html_extract_charset() when the charset is found.
  69      */
  70     public function testHtmlExtractExistentCharset()
  71     {
  72         $charset = 'x-MacCroatian';
  73         $html = '<html><meta>stuff2</meta><meta charset="'. $charset .'"/></html>';
  74         $this->assertEquals(strtolower($charset), html_extract_charset($html));
  75     }
  76
  77     /**
  78      * Test html_extract_charset() when the charset is not found.
  79      */
  80     public function testHtmlExtractNonExistentCharset()
  81     {
  82         $html = '<html><meta>stuff</meta></html>';
  83         $this->assertFalse(html_extract_charset($html));
  84         $html = '<html><meta>stuff</meta><meta charset=""/></html>';
  85         $this->assertFalse(html_extract_charset($html));
  86     }
  87
  88     /**
  89      * Test count_private.
  90      */
  91     public function testCountPrivateLinks()
  92     {
  93         $refDB = new ReferenceLinkDB();
  94         $this->assertEquals($refDB->countPrivateLinks(), count_private($refDB->getLinks()));
  95     }
  96
  97     /**
  98      * Test text2clickable without a redirector being set.
  99      */
 100     public function testText2clickableWithoutRedirector()
 101     {
 102         $text = 'stuff http://hello.there/is=someone#here otherstuff';
 103         $expectedText = 'stuff <a href="http://hello.there/is=someone#here">http://hello.there/is=someone#here</a> otherstuff';
 104         $processedText = text2clickable($text, '');
 105         $this->assertEquals($expectedText, $processedText);
 106
 107         $text = 'stuff http://hello.there/is=someone#here(please) otherstuff';
 108         $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)">http://hello.there/is=someone#here(please)</a> otherstuff';
 109         $processedText = text2clickable($text, '');
 110         $this->assertEquals($expectedText, $processedText);
 111
 112         $text = 'stuff http://hello.there/is=someone#here(please)&no otherstuff';
 113         $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)&no">http://hello.there/is=someone#here(please)&no</a> otherstuff';
 114         $processedText = text2clickable($text, '');
 115         $this->assertEquals($expectedText, $processedText);
 116     }
 117
 118     /**
 119      * Test text2clickable a redirector set.
 120      */
 121     public function testText2clickableWithRedirector()
 122     {
 123         $text = 'stuff http://hello.there/is=someone#here otherstuff';
 124         $redirector = 'http://redirector.to';
 125         $expectedText = 'stuff <a href="'.
 126             $redirector .
 127             urlencode('http://hello.there/is=someone#here') .
 128             '">http://hello.there/is=someone#here</a> otherstuff';
 129         $processedText = text2clickable($text, $redirector);
 130         $this->assertEquals($expectedText, $processedText);
 131     }
 132
 133     /**
 134      * Test testSpace2nbsp.
 135      */
 136     public function testSpace2nbsp()
 137     {
 138         $text = '  Are you   thrilled  by flags   ?'. PHP_EOL .' Really?';
 139         $expectedText = '&nbsp; Are you &nbsp; thrilled &nbsp;by flags &nbsp; ?'. PHP_EOL .'&nbsp;Really?';
 140         $processedText = space2nbsp($text);
 141         $this->assertEquals($expectedText, $processedText);
 142     }
 143
 144     /**
 145      * Test hashtags auto-link.
 146      */
 147     public function testHashtagAutolink()
 148     {
 149         $index = 'http://domain.tld/';
 150         $rawDescription = '#hashtag\n
 151             # nothashtag\n
 152             test#nothashtag #hashtag \#nothashtag\n
 153             test #hashtag #hashtag test #hashtag.test\n
 154             #hashtag #hashtag-nothashtag #hashtag_hashtag\n
 155             What is #ашок anyway?\n
 156             カタカナ #カタカナ」カタカナ\n';
 157         $autolinkedDescription = hashtag_autolink($rawDescription, $index);
 158
 159         $this->assertContains($this->getHashtagLink('hashtag', $index), $autolinkedDescription);
 160         $this->assertNotContains(' #hashtag', $autolinkedDescription);
 161         $this->assertNotContains('>#nothashtag', $autolinkedDescription);
 162         $this->assertContains($this->getHashtagLink('ашок', $index), $autolinkedDescription);
 163         $this->assertContains($this->getHashtagLink('カタカナ', $index), $autolinkedDescription);
 164         $this->assertContains($this->getHashtagLink('hashtag_hashtag', $index), $autolinkedDescription);
 165         $this->assertNotContains($this->getHashtagLink('hashtag-nothashtag', $index), $autolinkedDescription);
 166     }
 167
 168     /**
 169      * Test hashtags auto-link without index URL.
 170      */
 171     public function testHashtagAutolinkNoIndex()
 172     {
 173         $rawDescription = 'blabla #hashtag x#nothashtag';
 174         $autolinkedDescription = hashtag_autolink($rawDescription);
 175
 176         $this->assertContains($this->getHashtagLink('hashtag'), $autolinkedDescription);
 177         $this->assertNotContains(' #hashtag', $autolinkedDescription);
 178         $this->assertNotContains('>#nothashtag', $autolinkedDescription);
 179     }
 180
 181     /**
 182      * Util function to build an hashtag link.
 183      *
 184      * @param string $hashtag Hashtag name.
 185      * @param string $index   Index URL.
 186      *
 187      * @return string HTML hashtag link.
 188      */
 189     private function getHashtagLink($hashtag, $index = '')
 190     {
 191         $hashtagLink = '<a href="'. $index .'?addtag=$1" title="Hashtag $1">#$1</a>';
 192         return str_replace('$1', $hashtag, $hashtagLink);
 193     }
 194 }