lib/tests/weblib_test.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Weblib tests.
  19  *
  20  * @package    core
  21  * @category   phpunit
  22  * @copyright  &copy; 2006 The Open University
  23  * @author     T.J.Hunt@open.ac.uk
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29
  30 class core_weblib_testcase extends advanced_testcase {
  31
  32     public function test_format_string() {
  33         global $CFG;
  34
  35         // Ampersands.
  36         $this->assertSame("&amp; &amp;&amp;&amp;&amp;&amp; &amp;&amp;", format_string("& &&&&& &&"));
  37         $this->assertSame("ANother &amp; &amp;&amp;&amp;&amp;&amp; Category", format_string("ANother & &&&&& Category"));
  38         $this->assertSame("ANother &amp; &amp;&amp;&amp;&amp;&amp; Category", format_string("ANother & &&&&& Category", true));
  39         $this->assertSame("Nick's Test Site &amp; Other things", format_string("Nick's Test Site & Other things", true));
  40
  41         // String entities.
  42         $this->assertSame("&quot;", format_string("&quot;"));
  43
  44         // Digital entities.
  45         $this->assertSame("&11234;", format_string("&11234;"));
  46
  47         // Unicode entities.
  48         $this->assertSame("&#4475;", format_string("&#4475;"));
  49
  50         // < and > signs.
  51         $originalformatstringstriptags = $CFG->formatstringstriptags;
  52
  53         $CFG->formatstringstriptags = false;
  54         $this->assertSame('x &lt; 1', format_string('x < 1'));
  55         $this->assertSame('x &gt; 1', format_string('x > 1'));
  56         $this->assertSame('x &lt; 1 and x &gt; 0', format_string('x < 1 and x > 0'));
  57
  58         $CFG->formatstringstriptags = true;
  59         $this->assertSame('x &lt; 1', format_string('x < 1'));
  60         $this->assertSame('x &gt; 1', format_string('x > 1'));
  61         $this->assertSame('x &lt; 1 and x &gt; 0', format_string('x < 1 and x > 0'));
  62
  63         $CFG->formatstringstriptags = $originalformatstringstriptags;
  64     }
  65
  66     public function test_s() {
  67         // Special cases.
  68         $this->assertSame('0', s(0));
  69         $this->assertSame('0', s('0'));
  70         $this->assertSame('0', s(false));
  71         $this->assertSame('', s(null));
  72
  73         // Normal cases.
  74         $this->assertSame('This Breaks &quot; Strict', s('This Breaks " Strict'));
  75         $this->assertSame('This Breaks &lt;a&gt;&quot; Strict&lt;/a&gt;', s('This Breaks <a>" Strict</a>'));
  76
  77         // Unicode characters.
  78         $this->assertSame('Café', s('Café'));
  79         $this->assertSame('一, 二, 三', s('一, 二, 三'));
  80
  81         // Don't escape already-escaped numeric entities. (Note, this behaviour
  82         // may not be desirable. Perhaps we should remove these tests and that
  83         // functionality, but we can only do that if we understand why it was added.)
  84         $this->assertSame('An entity: &#x09ff;.', s('An entity: &#x09ff;.'));
  85         $this->assertSame('An entity: &#1073;.', s('An entity: &#1073;.'));
  86         $this->assertSame('An entity: &amp;amp;.', s('An entity: &amp;.'));
  87         $this->assertSame('Not an entity: &amp;amp;#x09ff;.', s('Not an entity: &amp;#x09ff;.'));
  88     }
  89
  90     public function test_format_text_email() {
  91         $this->assertSame("This is a TEST",
  92             format_text_email('<p>This is a <strong>test</strong></p>', FORMAT_HTML));
  93         $this->assertSame("This is a TEST",
  94             format_text_email('<p class="frogs">This is a <strong class=\'fishes\'>test</strong></p>', FORMAT_HTML));
  95         $this->assertSame('& so is this',
  96             format_text_email('&amp; so is this', FORMAT_HTML));
  97         $this->assertSame('Two bullets: '.core_text::code2utf8(8226).' *',
  98             format_text_email('Two bullets: &#x2022; &#8226;', FORMAT_HTML));
  99         $this->assertSame(core_text::code2utf8(0x7fd2).core_text::code2utf8(0x7fd2),
 100             format_text_email('&#x7fd2;&#x7FD2;', FORMAT_HTML));
 101     }
 102
 103     public function test_obfuscate_email() {
 104         $email = 'some.user@example.com';
 105         $obfuscated = obfuscate_email($email);
 106         $this->assertNotSame($email, $obfuscated);
 107         $back = core_text::entities_to_utf8(urldecode($email), true);
 108         $this->assertSame($email, $back);
 109     }
 110
 111     public function test_obfuscate_text() {
 112         $text = 'Žluťoučký koníček 32131';
 113         $obfuscated = obfuscate_text($text);
 114         $this->assertNotSame($text, $obfuscated);
 115         $back = core_text::entities_to_utf8($obfuscated, true);
 116         $this->assertSame($text, $back);
 117     }
 118
 119     public function test_highlight() {
 120         $this->assertSame('This is <span class="highlight">good</span>',
 121                 highlight('good', 'This is good'));
 122
 123         $this->assertSame('<span class="highlight">span</span>',
 124                 highlight('SpaN', 'span'));
 125
 126         $this->assertSame('<span class="highlight">SpaN</span>',
 127                 highlight('span', 'SpaN'));
 128
 129         $this->assertSame('<span><span class="highlight">span</span></span>',
 130                 highlight('span', '<span>span</span>'));
 131
 132         $this->assertSame('He <span class="highlight">is</span> <span class="highlight">good</span>',
 133                 highlight('good is', 'He is good'));
 134
 135         $this->assertSame('This is <span class="highlight">good</span>',
 136                 highlight('+good', 'This is good'));
 137
 138         $this->assertSame('This is good',
 139                 highlight('-good', 'This is good'));
 140
 141         $this->assertSame('This is goodness',
 142                 highlight('+good', 'This is goodness'));
 143
 144         $this->assertSame('This is <span class="highlight">good</span>ness',
 145                 highlight('good', 'This is goodness'));
 146
 147         $this->assertSame('<p><b>test</b> <b>1</b></p><p><b>1</b></p>',
 148                 highlight('test 1', '<p>test 1</p><p>1</p>', false, '<b>', '</b>'));
 149
 150         $this->assertSame('<p><b>test</b> <b>1</b></p><p><b>1</b></p>',
 151                     highlight('test +1', '<p>test 1</p><p>1</p>', false, '<b>', '</b>'));
 152
 153         $this->assertSame('<p><b>test</b> 1</p><p>1</p>',
 154                     highlight('test -1', '<p>test 1</p><p>1</p>', false, '<b>', '</b>'));
 155     }
 156
 157     public function test_replace_ampersands() {
 158         $this->assertSame("This &amp; that &nbsp;", replace_ampersands_not_followed_by_entity("This & that &nbsp;"));
 159         $this->assertSame("This &amp;nbsp that &nbsp;", replace_ampersands_not_followed_by_entity("This &nbsp that &nbsp;"));
 160     }
 161
 162     public function test_strip_links() {
 163         $this->assertSame('this is a link', strip_links('this is a <a href="http://someaddress.com/query">link</a>'));
 164     }
 165
 166     public function test_wikify_links() {
 167         $this->assertSame('this is a link [ http://someaddress.com/query ]', wikify_links('this is a <a href="http://someaddress.com/query">link</a>'));
 168     }
 169
 170     /**
 171      * Test basic moodle_url construction.
 172      */
 173     public function test_moodle_url_constructor() {
 174         global $CFG;
 175
 176         $url = new moodle_url('/index.php');
 177         $this->assertSame($CFG->wwwroot.'/index.php', $url->out());
 178
 179         $url = new moodle_url('/index.php', array());
 180         $this->assertSame($CFG->wwwroot.'/index.php', $url->out());
 181
 182         $url = new moodle_url('/index.php', array('id' => 2));
 183         $this->assertSame($CFG->wwwroot.'/index.php?id=2', $url->out());
 184
 185         $url = new moodle_url('/index.php', array('id' => 'two'));
 186         $this->assertSame($CFG->wwwroot.'/index.php?id=two', $url->out());
 187
 188         $url = new moodle_url('/index.php', array('id' => 1, 'cid' => '2'));
 189         $this->assertSame($CFG->wwwroot.'/index.php?id=1&amp;cid=2', $url->out());
 190         $this->assertSame($CFG->wwwroot.'/index.php?id=1&cid=2', $url->out(false));
 191
 192         $url = new moodle_url('/index.php', null, 'test');
 193         $this->assertSame($CFG->wwwroot.'/index.php#test', $url->out());
 194
 195         $url = new moodle_url('/index.php', array('id' => 2), 'test');
 196         $this->assertSame($CFG->wwwroot.'/index.php?id=2#test', $url->out());
 197     }
 198
 199     /**
 200      * Tests moodle_url::get_path().
 201      */
 202     public function test_moodle_url_get_path() {
 203         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');
 204         $this->assertSame('/my/file/is/here.txt', $url->get_path());
 205
 206         $url = new moodle_url('http://www.example.org/');
 207         $this->assertSame('/', $url->get_path());
 208
 209         $url = new moodle_url('http://www.example.org/pluginfile.php/slash/arguments');
 210         $this->assertSame('/pluginfile.php/slash/arguments', $url->get_path());
 211         $this->assertSame('/pluginfile.php', $url->get_path(false));
 212     }
 213
 214     public function test_moodle_url_round_trip() {
 215         $strurl = 'http://moodle.org/course/view.php?id=5';
 216         $url = new moodle_url($strurl);
 217         $this->assertSame($strurl, $url->out(false));
 218
 219         $strurl = 'http://moodle.org/user/index.php?contextid=53&sifirst=M&silast=D';
 220         $url = new moodle_url($strurl);
 221         $this->assertSame($strurl, $url->out(false));
 222     }
 223
 224     /**
 225      * Test Moodle URL objects created with a param with empty value.
 226      */
 227     public function test_moodle_url_empty_param_values() {
 228         $strurl = 'http://moodle.org/course/view.php?id=0';
 229         $url = new moodle_url($strurl, array('id' => 0));
 230         $this->assertSame($strurl, $url->out(false));
 231
 232         $strurl = 'http://moodle.org/course/view.php?id';
 233         $url = new moodle_url($strurl, array('id' => false));
 234         $this->assertSame($strurl, $url->out(false));
 235
 236         $strurl = 'http://moodle.org/course/view.php?id';
 237         $url = new moodle_url($strurl, array('id' => null));
 238         $this->assertSame($strurl, $url->out(false));
 239
 240         $strurl = 'http://moodle.org/course/view.php?id';
 241         $url = new moodle_url($strurl, array('id' => ''));
 242         $this->assertSame($strurl, $url->out(false));
 243
 244         $strurl = 'http://moodle.org/course/view.php?id';
 245         $url = new moodle_url($strurl);
 246         $this->assertSame($strurl, $url->out(false));
 247     }
 248
 249     public function test_moodle_url_round_trip_array_params() {
 250         $strurl = 'http://example.com/?a%5B1%5D=1&a%5B2%5D=2';
 251         $url = new moodle_url($strurl);
 252         $this->assertSame($strurl, $url->out(false));
 253
 254         $url = new moodle_url('http://example.com/?a[1]=1&a[2]=2');
 255         $this->assertSame($strurl, $url->out(false));
 256
 257         // For un-keyed array params, we expect 0..n keys to be returned.
 258         $strurl = 'http://example.com/?a%5B0%5D=0&a%5B1%5D=1';
 259         $url = new moodle_url('http://example.com/?a[]=0&a[]=1');
 260         $this->assertSame($strurl, $url->out(false));
 261     }
 262
 263     public function test_compare_url() {
 264         $url1 = new moodle_url('index.php', array('var1' => 1, 'var2' => 2));
 265         $url2 = new moodle_url('index2.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));
 266
 267         $this->assertFalse($url1->compare($url2, URL_MATCH_BASE));
 268         $this->assertFalse($url1->compare($url2, URL_MATCH_PARAMS));
 269         $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));
 270
 271         $url2 = new moodle_url('index.php', array('var1' => 1, 'var3' => 3));
 272
 273         $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
 274         $this->assertFalse($url1->compare($url2, URL_MATCH_PARAMS));
 275         $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));
 276
 277         $url2 = new moodle_url('index.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));
 278
 279         $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
 280         $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
 281         $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));
 282
 283         $url2 = new moodle_url('index.php', array('var2' => 2, 'var1' => 1));
 284
 285         $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
 286         $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
 287         $this->assertTrue($url1->compare($url2, URL_MATCH_EXACT));
 288
 289         $url1->set_anchor('test');
 290         $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
 291         $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
 292         $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));
 293
 294         $url2->set_anchor('test');
 295         $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
 296         $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
 297         $this->assertTrue($url1->compare($url2, URL_MATCH_EXACT));
 298     }
 299
 300     public function test_out_as_local_url() {
 301         global $CFG;
 302         // Test http url.
 303         $url1 = new moodle_url('/lib/tests/weblib_test.php');
 304         $this->assertSame('/lib/tests/weblib_test.php', $url1->out_as_local_url());
 305
 306         // Test https url.
 307         $httpswwwroot = str_replace("http://", "https://", $CFG->wwwroot);
 308         $url2 = new moodle_url($httpswwwroot.'/login/profile.php');
 309         $this->assertSame('/login/profile.php', $url2->out_as_local_url());
 310
 311         // Test http url matching wwwroot.
 312         $url3 = new moodle_url($CFG->wwwroot);
 313         $this->assertSame('', $url3->out_as_local_url());
 314
 315         // Test http url matching wwwroot ending with slash (/).
 316         $url3 = new moodle_url($CFG->wwwroot.'/');
 317         $this->assertSame('/', $url3->out_as_local_url());
 318     }
 319
 320     /**
 321      * @expectedException coding_exception
 322      * @return void
 323      */
 324     public function test_out_as_local_url_error() {
 325         $url2 = new moodle_url('http://www.google.com/lib/tests/weblib_test.php');
 326         $url2->out_as_local_url();
 327     }
 328
 329     /**
 330      * You should get error with modified url
 331      *
 332      * @expectedException coding_exception
 333      * @return void
 334      */
 335     public function test_modified_url_out_as_local_url_error() {
 336         global $CFG;
 337
 338         $modifiedurl = $CFG->wwwroot.'1';
 339         $url3 = new moodle_url($modifiedurl.'/login/profile.php');
 340         $url3->out_as_local_url();
 341     }
 342
 343     /**
 344      * Try get local url from external https url and you should get error
 345      *
 346      * @expectedException coding_exception
 347      */
 348     public function test_https_out_as_local_url_error() {
 349         $url4 = new moodle_url('https://www.google.com/lib/tests/weblib_test.php');
 350         $url4->out_as_local_url();
 351     }
 352
 353     public function test_moodle_url_get_scheme() {
 354         // Should return the scheme only.
 355         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');
 356         $this->assertSame('http', $url->get_scheme());
 357
 358         // Should work for secure URLs.
 359         $url = new moodle_url('https://www.example.org:447/my/file/is/here.txt?really=1');
 360         $this->assertSame('https', $url->get_scheme());
 361
 362         // Should return an empty string if no scheme is specified.
 363         $url = new moodle_url('www.example.org:447/my/file/is/here.txt?really=1');
 364         $this->assertSame('', $url->get_scheme());
 365     }
 366
 367     public function test_moodle_url_get_host() {
 368         // Should return the host part only.
 369         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');
 370         $this->assertSame('www.example.org', $url->get_host());
 371     }
 372
 373     public function test_moodle_url_get_port() {
 374         // Should return the port if one provided.
 375         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');
 376         $this->assertSame(447, $url->get_port());
 377
 378         // Should return an empty string if port not specified.
 379         $url = new moodle_url('http://www.example.org/some/path/here.php');
 380         $this->assertSame('', $url->get_port());
 381     }
 382
 383     public function test_clean_text() {
 384         $text = "lala <applet>xx</applet>";
 385         $this->assertSame($text, clean_text($text, FORMAT_PLAIN));
 386         $this->assertSame('lala xx', clean_text($text, FORMAT_MARKDOWN));
 387         $this->assertSame('lala xx', clean_text($text, FORMAT_MOODLE));
 388         $this->assertSame('lala xx', clean_text($text, FORMAT_HTML));
 389     }
 390
 391     public function test_qualified_me() {
 392         global $PAGE, $FULLME, $CFG;
 393         $this->resetAfterTest();
 394
 395         $PAGE = new moodle_page();
 396
 397         $FULLME = $CFG->wwwroot.'/course/view.php?id=1&xx=yy';
 398         $this->assertSame($FULLME, qualified_me());
 399
 400         $PAGE->set_url('/course/view.php', array('id'=>1));
 401         $this->assertSame($CFG->wwwroot.'/course/view.php?id=1', qualified_me());
 402     }
 403
 404     public function test_null_progres_trace() {
 405         $this->resetAfterTest(false);
 406
 407         $trace = new null_progress_trace();
 408         $trace->output('do');
 409         $trace->output('re', 1);
 410         $trace->output('mi', 2);
 411         $trace->finished();
 412         $output = ob_get_contents();
 413         $this->assertSame('', $output);
 414         $this->expectOutputString('');
 415     }
 416
 417     public function test_text_progres_trace() {
 418         $this->resetAfterTest(false);
 419
 420         $trace = new text_progress_trace();
 421         $trace->output('do');
 422         $trace->output('re', 1);
 423         $trace->output('mi', 2);
 424         $trace->finished();
 425         $this->expectOutputString("do\n  re\n    mi\n");
 426     }
 427
 428     public function test_html_progres_trace() {
 429         $this->resetAfterTest(false);
 430
 431         $trace = new html_progress_trace();
 432         $trace->output('do');
 433         $trace->output('re', 1);
 434         $trace->output('mi', 2);
 435         $trace->finished();
 436         $this->expectOutputString("<p>do</p>\n<p>&#160;&#160;re</p>\n<p>&#160;&#160;&#160;&#160;mi</p>\n");
 437     }
 438
 439     public function test_html_list_progress_trace() {
 440         $this->resetAfterTest(false);
 441
 442         $trace = new html_list_progress_trace();
 443         $trace->output('do');
 444         $trace->output('re', 1);
 445         $trace->output('mi', 2);
 446         $trace->finished();
 447         $this->expectOutputString("<ul>\n<li>do<ul>\n<li>re<ul>\n<li>mi</li>\n</ul>\n</li>\n</ul>\n</li>\n</ul>\n");
 448     }
 449
 450     public function test_progres_trace_buffer() {
 451         $this->resetAfterTest(false);
 452
 453         $trace = new progress_trace_buffer(new html_progress_trace());
 454         ob_start();
 455         $trace->output('do');
 456         $trace->output('re', 1);
 457         $trace->output('mi', 2);
 458         $trace->finished();
 459         $output = ob_get_contents();
 460         ob_end_clean();
 461         $this->assertSame("<p>do</p>\n<p>&#160;&#160;re</p>\n<p>&#160;&#160;&#160;&#160;mi</p>\n", $output);
 462         $this->assertSame($output, $trace->get_buffer());
 463
 464         $trace = new progress_trace_buffer(new html_progress_trace(), false);
 465         $trace->output('do');
 466         $trace->output('re', 1);
 467         $trace->output('mi', 2);
 468         $trace->finished();
 469         $this->assertSame("<p>do</p>\n<p>&#160;&#160;re</p>\n<p>&#160;&#160;&#160;&#160;mi</p>\n", $trace->get_buffer());
 470         $this->assertSame("<p>do</p>\n<p>&#160;&#160;re</p>\n<p>&#160;&#160;&#160;&#160;mi</p>\n", $trace->get_buffer());
 471         $trace->reset_buffer();
 472         $this->assertSame('', $trace->get_buffer());
 473         $this->expectOutputString('');
 474     }
 475
 476     public function test_combined_progres_trace() {
 477         $this->resetAfterTest(false);
 478
 479         $trace1 = new progress_trace_buffer(new html_progress_trace(), false);
 480         $trace2 = new progress_trace_buffer(new text_progress_trace(), false);
 481
 482         $trace = new combined_progress_trace(array($trace1, $trace2));
 483         $trace->output('do');
 484         $trace->output('re', 1);
 485         $trace->output('mi', 2);
 486         $trace->finished();
 487         $this->assertSame("<p>do</p>\n<p>&#160;&#160;re</p>\n<p>&#160;&#160;&#160;&#160;mi</p>\n", $trace1->get_buffer());
 488         $this->assertSame("do\n  re\n    mi\n", $trace2->get_buffer());
 489         $this->expectOutputString('');
 490     }
 491
 492     public function test_set_debugging() {
 493         global $CFG;
 494
 495         $this->resetAfterTest();
 496
 497         $this->assertEquals(DEBUG_DEVELOPER, $CFG->debug);
 498         $this->assertTrue($CFG->debugdeveloper);
 499         $this->assertNotEmpty($CFG->debugdisplay);
 500
 501         set_debugging(DEBUG_DEVELOPER, true);
 502         $this->assertEquals(DEBUG_DEVELOPER, $CFG->debug);
 503         $this->assertTrue($CFG->debugdeveloper);
 504         $this->assertNotEmpty($CFG->debugdisplay);
 505
 506         set_debugging(DEBUG_DEVELOPER, false);
 507         $this->assertEquals(DEBUG_DEVELOPER, $CFG->debug);
 508         $this->assertTrue($CFG->debugdeveloper);
 509         $this->assertEmpty($CFG->debugdisplay);
 510
 511         set_debugging(-1);
 512         $this->assertEquals(-1, $CFG->debug);
 513         $this->assertTrue($CFG->debugdeveloper);
 514
 515         set_debugging(DEBUG_ALL);
 516         $this->assertEquals(DEBUG_ALL, $CFG->debug);
 517         $this->assertFalse($CFG->debugdeveloper);
 518
 519         set_debugging(DEBUG_NORMAL);
 520         $this->assertEquals(DEBUG_NORMAL, $CFG->debug);
 521         $this->assertFalse($CFG->debugdeveloper);
 522
 523         set_debugging(DEBUG_MINIMAL);
 524         $this->assertEquals(DEBUG_MINIMAL, $CFG->debug);
 525         $this->assertFalse($CFG->debugdeveloper);
 526
 527         set_debugging(DEBUG_NONE);
 528         $this->assertEquals(DEBUG_NONE, $CFG->debug);
 529         $this->assertFalse($CFG->debugdeveloper);
 530     }
 531
 532     public function test_strip_pluginfile_content() {
 533         $source = <<<SOURCE
 534 Hello!
 535
 536 I'm writing to you from the Moodle Majlis in Muscat, Oman, where we just had several days of Moodle community goodness.
 537
 538 URL outside a tag: https://moodle.org/logo/logo-240x60.gif
 539 Plugin url outside a tag: @@PLUGINFILE@@/logo-240x60.gif
 540
 541 External link 1:<img src='https://moodle.org/logo/logo-240x60.gif' alt='Moodle'/>
 542 External link 2:<img alt="Moodle" src="https://moodle.org/logo/logo-240x60.gif"/>
 543 Internal link 1:<img src='@@PLUGINFILE@@/logo-240x60.gif' alt='Moodle'/>
 544 Internal link 2:<img alt="Moodle" src="@@PLUGINFILE@@logo-240x60.gif"/>
 545 Anchor link 1:<a href="@@PLUGINFILE@@logo-240x60.gif" alt="bananas">Link text</a>
 546 Anchor link 2:<a title="bananas" href="../logo-240x60.gif">Link text</a>
 547 Anchor + ext. img:<a title="bananas" href="../logo-240x60.gif"><img alt="Moodle" src="@@PLUGINFILE@@logo-240x60.gif"/></a>
 548 Ext. anchor + img:<a href="@@PLUGINFILE@@logo-240x60.gif"><img alt="Moodle" src="https://moodle.org/logo/logo-240x60.gif"/></a>
 549 SOURCE;
 550         $expected = <<<EXPECTED
 551 Hello!
 552
 553 I'm writing to you from the Moodle Majlis in Muscat, Oman, where we just had several days of Moodle community goodness.
 554
 555 URL outside a tag: https://moodle.org/logo/logo-240x60.gif
 556 Plugin url outside a tag: @@PLUGINFILE@@/logo-240x60.gif
 557
 558 External link 1:<img src="https://moodle.org/logo/logo-240x60.gif" alt="Moodle" />
 559 External link 2:<img alt="Moodle" src="https://moodle.org/logo/logo-240x60.gif" />
 560 Internal link 1:
 561 Internal link 2:
 562 Anchor link 1:Link text
 563 Anchor link 2:<a title="bananas" href="../logo-240x60.gif">Link text</a>
 564 Anchor + ext. img:<a title="bananas" href="../logo-240x60.gif"></a>
 565 Ext. anchor + img:<img alt="Moodle" src="https://moodle.org/logo/logo-240x60.gif" />
 566 EXPECTED;
 567         $this->assertSame($expected, strip_pluginfile_content($source));
 568     }
 569
 570 }