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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Tests our html2text hacks
*
* Note: includes original tests from testweblib.php
*
* @package core
* @category phpunit
* @copyright 2012 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
class core_html2text_testcase extends basic_testcase {
/**
* ALT as image replacements.
*/
public function test_images() {
$this->assertSame('[edit]', html_to_text('<img src="edit.png" alt="edit" />'));
$text = 'xx<img src="gif.gif" alt="some gif" />xx';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, 'xx[some gif]xx');
}
/**
* No magic quotes messing.
*/
public function test_no_strip_slashes() {
$this->assertSame('[\edit]', html_to_text('<img src="edit.png" alt="\edit" />'));
$text = '\\magic\\quotes\\are\\\\horrible';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, $text);
}
/**
* core_text integration.
*/
public function test_core_text() {
$text = '<strong>Žluťoučký koníček</strong>';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, 'ŽLUŤOUČKÝ KONÍČEK');
}
/**
* Protect 0.
*/
public function test_zero() {
$text = '0';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, $text);
$this->assertSame('0', html_to_text('0'));
}
/**
* Test the links list enumeration.
*/
public function test_build_link_list() {
// Note the trailing whitespace left intentionally in the text.
$text = 'Total of <a title="List of integrated issues"
href="http://tr.mdl.org/sh.jspa?r=1&j=p+%3D+%22I+d%22+%3D">
<strong>27 issues</strong></a> and <a href="http://another.url/?f=a&b=2">some</a> other
have been fixed <strong><a href="http://third.url/view.php">last week</a></strong>';
// Do not collect links.
$result = html_to_text($text, 5000, false);
$this->assertSame('Total of 27 ISSUES and some other have been fixed LAST WEEK', $result);
// Collect and enumerate links.
$result = html_to_text($text, 5000, true);
$this->assertSame(0, strpos($result, 'Total of 27 ISSUES [1] and some [2] other have been fixed LAST WEEK [3]'));
$this->assertSame(false, strpos($result, '[0]'));
$this->assertSame(1, preg_match('|^'.preg_quote('[1] http://tr.mdl.org/sh.jspa?r=1&j=p+%3D+%22I+d%22+%3D').'$|m', $result));
$this->assertSame(1, preg_match('|^'.preg_quote('[2] http://another.url/?f=a&b=2').'$|m', $result));
$this->assertSame(1, preg_match('|^'.preg_quote('[3] http://third.url/view.php').'$|m', $result));
$this->assertSame(false, strpos($result, '[4]'));
// Test multiple occurrences of the same URL.
$text = '<p>See <a href="http://moodle.org">moodle.org</a>,
<a href="http://www.google.fr">google</a>, <a href="http://www.univ-lemans.fr">univ-lemans</a>
and <a href="http://www.google.fr">google</a>.
Also try <a href="https://www.google.fr">google via HTTPS</a>.';
$result = html_to_text($text, 5000, true);
$this->assertSame(0, strpos($result, 'See moodle.org [1], google [2], univ-lemans [3] and google [2]. Also try google via HTTPS [4].'));
$this->assertSame(false, strpos($result, '[0]'));
$this->assertSame(1, preg_match('|^'.preg_quote('[1] http://moodle.org').'$|m', $result));
$this->assertSame(1, preg_match('|^'.preg_quote('[2] http://www.google.fr').'$|m', $result));
$this->assertSame(1, preg_match('|^'.preg_quote('[3] http://www.univ-lemans.fr').'$|m', $result));
$this->assertSame(1, preg_match('|^'.preg_quote('[4] https://www.google.fr').'$|m', $result));
$this->assertSame(false, strpos($result, '[5]'));
}
/**
* Various invalid HTML typed by users that ignore html strict.
**/
public function test_invalid_html() {
$text = 'Gin & Tonic';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, $text);
$text = 'Gin > Tonic';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, $text);
$text = 'Gin < Tonic';
$result = html_to_text($text, null, false, false);
$this->assertSame($result, $text);
}
/**
* Basic text formatting.
*/
public function test_simple() {
$this->assertSame("_Hello_ WORLD!\n", html_to_text('<p><i>Hello</i> <b>world</b>!</p>'));
$this->assertSame("All the WORLD’S a stage.\n\n-- William Shakespeare\n", html_to_text('<p>All the <strong>world’s</strong> a stage.</p><p>-- William Shakespeare</p>'));
$this->assertSame("HELLO WORLD!\n\n", html_to_text('<h1>Hello world!</h1>'));
$this->assertSame("Hello\nworld!", html_to_text('Hello<br />world!'));
}
/**
* Test line wrapping.
*/
public function test_text_nowrap() {
$long = "Here is a long string, more than 75 characters long, since by default html_to_text wraps text at 75 chars.";
$wrapped = "Here is a long string, more than 75 characters long, since by default\nhtml_to_text wraps text at 75 chars.";
$this->assertSame($long, html_to_text($long, 0));
$this->assertSame($wrapped, html_to_text($long));
}
/**
* Whitespace removal.
*/
public function test_trailing_whitespace() {
$this->assertSame('With trailing whitespace and some more text', html_to_text("With trailing whitespace \nand some more text", 0));
}
/**
* PRE parsing.
*/
public function test_html_to_text_pre_parsing_problem() {
$strorig = 'Consider the following function:<br /><pre><span style="color: rgb(153, 51, 102);">void FillMeUp(char* in_string) {'.
'<br /> int i = 0;<br /> while (in_string[i] != \'\0\') {<br /> in_string[i] = \'X\';<br /> i++;<br /> }<br />'.
'}</span></pre>What would happen if a non-terminated string were input to this function?<br /><br />';
// Note, the spaces in the <pre> section are Unicode NBSPs - they may not be displayed in your editor.
$strconv = 'Consider the following function:
void FillMeUp(char* in_string) {
int i = 0;
while (in_string[i] != \'\0\') {
in_string[i] = \'X\';
i++;
}
}
What would happen if a non-terminated string were input to this function?
';
$this->assertSame($strconv, html_to_text($strorig));
}
/**
* Scripts should be stripped.
*/
public function test_strip_scripts() {
$this->assertSame('Interesting text',
html_to_text('Interesting <script type="text/javascript">var what_a_mess = "Yuck!";</script> text', 0));
}
}