<?php
require_once 'application/LinkUtils.php';
/**
* Class LinkUtilsTest.
*/
class LinkUtilsTest extends PHPUnit_Framework_TestCase
{
/**
* Test html_extract_title() when the title is found.
*/
public function testHtmlExtractExistentTitle()
{
$title = 'Read me please.';
$html = '<html><meta>stuff</meta><title>'. $title .'</title></html>';
$this->assertEquals($title, html_extract_title($html));
$html = '<html><title>'. $title .'</title>blabla<title>another</title></html>';
$this->assertEquals($title, html_extract_title($html));
}
/**
* Test html_extract_title() when the title is not found.
*/
public function testHtmlExtractNonExistentTitle()
{
$html = '<html><meta>stuff</meta></html>';
$this->assertFalse(html_extract_title($html));
}
/**
* Test headers_extract_charset() when the charset is found.
*/
public function testHeadersExtractExistentCharset()
{
$charset = 'x-MacCroatian';
$headers = 'text/html; charset='. $charset;
$this->assertEquals(strtolower($charset), header_extract_charset($headers));
}
/**
* Test headers_extract_charset() when the charset is not found.
*/
public function testHeadersExtractNonExistentCharset()
{
$headers = '';
$this->assertFalse(header_extract_charset($headers));
$headers = 'text/html';
$this->assertFalse(header_extract_charset($headers));
}
/**
* Test html_extract_charset() when the charset is found.
*/
public function testHtmlExtractExistentCharset()
{
$charset = 'x-MacCroatian';
$html = '<html><meta>stuff2</meta><meta charset="'. $charset .'"/></html>';
$this->assertEquals(strtolower($charset), html_extract_charset($html));
}
/**
* Test html_extract_charset() when the charset is not found.
*/
public function testHtmlExtractNonExistentCharset()
{
$html = '<html><meta>stuff</meta></html>';
$this->assertFalse(html_extract_charset($html));
$html = '<html><meta>stuff</meta><meta charset=""/></html>';
$this->assertFalse(html_extract_charset($html));
}
/**
* Test the download callback with valid value
*/
public function testCurlDownloadCallbackOk()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_ok');
$data = [
'HTTP/1.1 200 OK',
'Server: GitHub.com',
'Date: Sat, 28 Oct 2017 12:01:33 GMT',
'Content-Type: text/html; charset=utf-8',
'Status: 200 OK',
'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
'<title>ignored</title>',
];
foreach ($data as $key => $line) {
$ignore = null;
$expected = $key !== 'end' ? strlen($line) : false;
$this->assertEquals($expected, $callback($ignore, $line));
if ($expected === false) {
break;
}
}
$this->assertEquals('utf-8', $charset);
$this->assertEquals('Refactoring · GitHub', $title);
}
/**
* Test the download callback with valid values and no charset
*/
public function testCurlDownloadCallbackOkNoCharset()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_no_charset');
$data = [
'HTTP/1.1 200 OK',
'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
'<title>ignored</title>',
];
foreach ($data as $key => $line) {
$ignore = null;
$this->assertEquals(strlen($line), $callback($ignore, $line));
}
$this->assertEmpty($charset);
$this->assertEquals('Refactoring · GitHub', $title);
}
/**
* Test the download callback with valid values and no charset
*/
public function testCurlDownloadCallbackOkHtmlCharset()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_no_charset');
$data = [
'HTTP/1.1 200 OK',
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />',
'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
'<title>ignored</title>',
];
foreach ($data as $key => $line) {
$ignore = null;
$expected = $key !== 'end' ? strlen($line) : false;
$this->assertEquals($expected, $callback($ignore, $line));
if ($expected === false) {
break;
}
}
$this->assertEquals('utf-8', $charset);
$this->assertEquals('Refactoring · GitHub', $title);
}
/**
* Test the download callback with valid values and no title
*/
public function testCurlDownloadCallbackOkNoTitle()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_ok');
$data = [
'HTTP/1.1 200 OK',
'end' => 'th=device-width">Refactoring · GitHub<link rel="search" type="application/opensea',
'ignored',
];
foreach ($data as $key => $line) {
$ignore = null;
$this->assertEquals(strlen($line), $callback($ignore, $line));
}
$this->assertEquals('utf-8', $charset);
$this->assertEmpty($title);
}
/**
* Test the download callback with an invalid content type.
*/
public function testCurlDownloadCallbackInvalidContentType()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_ct_ko');
$ignore = null;
$this->assertFalse($callback($ignore, ''));
$this->assertEmpty($charset);
$this->assertEmpty($title);
}
/**
* Test the download callback with an invalid response code.
*/
public function testCurlDownloadCallbackInvalidResponseCode()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_rc_ko');
$ignore = null;
$this->assertFalse($callback($ignore, ''));
$this->assertEmpty($charset);
$this->assertEmpty($title);
}
/**
* Test the download callback with an invalid content type and response code.
*/
public function testCurlDownloadCallbackInvalidContentTypeAndResponseCode()
{
$callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_rs_ct_ko');
$ignore = null;
$this->assertFalse($callback($ignore, ''));
$this->assertEmpty($charset);
$this->assertEmpty($title);
}
/**
* Test count_private.
*/
public function testCountPrivateLinks()
{
$refDB = new ReferenceLinkDB();
$this->assertEquals($refDB->countPrivateLinks(), count_private($refDB->getLinks()));
}
/**
* Test text2clickable without a redirector being set.
*/
public function testText2clickableWithoutRedirector()
{
$text = 'stuff http://hello.there/is=someone#here otherstuff';
$expectedText = 'stuff <a href="http://hello.there/is=someone#here">http://hello.there/is=someone#here</a> otherstuff';
$processedText = text2clickable($text, '');
$this->assertEquals($expectedText, $processedText);
}
/**
* Test text2clickable a redirector set.
*/
public function testText2clickableWithRedirector()
{
$text = 'stuff http://hello.there/is=someone#here otherstuff';
$redirector = 'http://redirector.to';
$expectedText = 'stuff <a href="'.
$redirector .
urlencode('http://hello.there/is=someone#here') .
'">http://hello.there/is=someone#here</a> otherstuff';
$processedText = text2clickable($text, $redirector);
$this->assertEquals($expectedText, $processedText);
}
/**
* Test testSpace2nbsp.
*/
public function testSpace2nbsp()
{
$text = ' Are you thrilled by flags ?'. PHP_EOL .' Really?';
$expectedText = ' Are you thrilled by flags ?'. PHP_EOL .' Really?';
$processedText = space2nbsp($text);
$this->assertEquals($expectedText, $processedText);
}
/**
* Test hashtags auto-link.
*/
public function testHashtagAutolink()
{
$index = 'http://domain.tld/';
$rawDescription = '#hashtag\n
# nothashtag\n
test#nothashtag #hashtag \#nothashtag\n
test #hashtag #hashtag test #hashtag.test\n
#hashtag #hashtag-nothashtag #hashtag_hashtag\n
What is #ашок anyway?\n
カタカナ #カタカナ」カタカナ\n';
$autolinkedDescription = hashtag_autolink($rawDescription, $index);
$this->assertContains($this->getHashtagLink('hashtag', $index), $autolinkedDescription);
$this->assertNotContains(' #hashtag', $autolinkedDescription);
$this->assertNotContains('>#nothashtag', $autolinkedDescription);
$this->assertContains($this->getHashtagLink('ашок', $index), $autolinkedDescription);
$this->assertContains($this->getHashtagLink('カタカナ', $index), $autolinkedDescription);
$this->assertContains($this->getHashtagLink('hashtag_hashtag', $index), $autolinkedDescription);
$this->assertNotContains($this->getHashtagLink('hashtag-nothashtag', $index), $autolinkedDescription);
}
/**
* Test hashtags auto-link without index URL.
*/
public function testHashtagAutolinkNoIndex()
{
$rawDescription = 'blabla #hashtag x#nothashtag';
$autolinkedDescription = hashtag_autolink($rawDescription);
$this->assertContains($this->getHashtagLink('hashtag'), $autolinkedDescription);
$this->assertNotContains(' #hashtag', $autolinkedDescription);
$this->assertNotContains('>#nothashtag', $autolinkedDescription);
}
/**
* Util function to build an hashtag link.
*
* @param string $hashtag Hashtag name.
* @param string $index Index URL.
*
* @return string HTML hashtag link.
*/
private function getHashtagLink($hashtag, $index = '')
{
$hashtagLink = '<a href="'. $index .'?addtag=$1" title="Hashtag $1">#$1</a>';
return str_replace('$1', $hashtag, $hashtagLink);
}
}
// old style mock: PHPUnit doesn't allow function mock
/**
* Returns code 200 or html content type.
*
* @param resource $ch cURL resource
* @param int $type cURL info type
*
* @return int|string 200 or 'text/html'
*/
function ut_curl_getinfo_ok($ch, $type)
{
switch ($type) {
case CURLINFO_RESPONSE_CODE:
return 200;
case CURLINFO_CONTENT_TYPE:
return 'text/html; charset=utf-8';
}
}
/**
* Returns code 200 or html content type without charset.
*
* @param resource $ch cURL resource
* @param int $type cURL info type
*
* @return int|string 200 or 'text/html'
*/
function ut_curl_getinfo_no_charset($ch, $type)
{
switch ($type) {
case CURLINFO_RESPONSE_CODE:
return 200;
case CURLINFO_CONTENT_TYPE:
return 'text/html';
}
}
/**
* Invalid response code.
*
* @param resource $ch cURL resource
* @param int $type cURL info type
*
* @return int|string 404 or 'text/html'
*/
function ut_curl_getinfo_rc_ko($ch, $type)
{
switch ($type) {
case CURLINFO_RESPONSE_CODE:
return 404;
case CURLINFO_CONTENT_TYPE:
return 'text/html; charset=utf-8';
}
}
/**
* Invalid content type.
*
* @param resource $ch cURL resource
* @param int $type cURL info type
*
* @return int|string 200 or 'text/plain'
*/
function ut_curl_getinfo_ct_ko($ch, $type)
{
switch ($type) {
case CURLINFO_RESPONSE_CODE:
return 200;
case CURLINFO_CONTENT_TYPE:
return 'text/plain';
}
}
/**
* Invalid response code and content type.
*
* @param resource $ch cURL resource
* @param int $type cURL info type
*
* @return int|string 404 or 'text/plain'
*/
function ut_curl_getinfo_rs_ct_ko($ch, $type)
{
switch ($type) {
case CURLINFO_RESPONSE_CODE:
return 404;
case CURLINFO_CONTENT_TYPE:
return 'text/plain';
}
}
