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Long Term Support Release
- Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
- Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
- PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
/files/tests/ -> converter_test.php (source)
Differences Between: [Versions 310 and 401] [Versions 39 and 401]
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 /** 19 * PHPUnit tests for fileconverter API. 20 * 21 * @package core_files 22 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 defined('MOODLE_INTERNAL') || die(); 26 27 global $CFG; 28 29 use core_files\conversion; 30 use core_files\converter; 31 32 /** 33 * PHPUnit tests for fileconverter API. 34 * 35 * @package core_files 36 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 37 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 38 */ 39 class converter_test extends advanced_testcase { 40 41 /** 42 * Get a testable mock of the abstract files_converter class. 43 * 44 * @param array $mockedmethods A list of methods you intend to override 45 * If no methods are specified, only abstract functions are mocked. 46 * @return \core_files\converter 47 */ 48 protected function get_testable_mock($mockedmethods = []) { 49 $converter = $this->getMockBuilder(\core_files\converter::class) 50 ->onlyMethods($mockedmethods) 51 ->getMockForAbstractClass(); 52 53 return $converter; 54 } 55 56 /** 57 * Get a testable mock of the conversion. 58 * 59 * @param array $mockedmethods A list of methods you intend to override 60 * @return \core_files\conversion 61 */ 62 protected function get_testable_conversion($mockedmethods = []) { 63 $conversion = $this->getMockBuilder(\core_files\conversion::class) 64 ->onlyMethods($mockedmethods) 65 ->setConstructorArgs([0, (object) []]) 66 ->getMock(); 67 68 return $conversion; 69 } 70 71 /** 72 * Get a testable mock of the abstract files_converter class. 73 * 74 * @param array $mockedmethods A list of methods you intend to override 75 * If no methods are specified, only abstract functions are mocked. 76 * @return \core_files\converter_interface 77 */ 78 protected function get_mocked_converter($mockedmethods = []) { 79 $converter = $this->getMockBuilder(\core_files\converter_interface::class) 80 ->onlyMethods($mockedmethods) 81 ->getMockForAbstractClass(); 82 83 return $converter; 84 } 85 86 /** 87 * Helper to create a stored file objectw with the given supplied content. 88 * 89 * @param string $filecontent The content of the mocked file 90 * @param string $filename The file name to use in the stored_file 91 * @param array $mockedmethods A list of methods you intend to override 92 * If no methods are specified, only abstract functions are mocked. 93 * @return stored_file 94 */ 95 protected function get_stored_file($filecontent = 'content', $filename = null, $filerecord = [], $mockedmethods = []) { 96 global $CFG; 97 98 $contenthash = sha1($filecontent); 99 if (empty($filename)) { 100 $filename = $contenthash; 101 } 102 103 $filerecord['contenthash'] = $contenthash; 104 $filerecord['filesize'] = strlen($filecontent); 105 $filerecord['filename'] = $filename; 106 $filerecord['id'] = 42; 107 108 $file = $this->getMockBuilder(stored_file::class) 109 ->onlyMethods($mockedmethods) 110 ->setConstructorArgs([get_file_storage(), (object) $filerecord]) 111 ->getMock(); 112 113 return $file; 114 } 115 116 /** 117 * Helper to create a stored file object with the given supplied content. 118 * 119 * @param string $filecontent The content of the mocked file 120 * @param string $filename The file name to use in the stored_file 121 * @param string $filerecord Any overrides to the filerecord 122 * @return stored_file 123 */ 124 protected function create_stored_file($filecontent = 'content', $filename = 'testfile.txt', $filerecord = []) { 125 $filerecord = array_merge([ 126 'contextid' => context_system::instance()->id, 127 'component' => 'core', 128 'filearea' => 'unittest', 129 'itemid' => 0, 130 'filepath' => '/', 131 'filename' => $filename, 132 ], $filerecord); 133 134 $fs = get_file_storage(); 135 $file = $fs->create_file_from_string($filerecord, $filecontent); 136 137 return $file; 138 } 139 140 /** 141 * Get a mock of the file_storage API. 142 * 143 * @param array $mockedmethods A list of methods you intend to override 144 * @return file_storage 145 */ 146 protected function get_file_storage_mock($mockedmethods = []) { 147 $fs = $this->getMockBuilder(\file_storage::class) 148 ->onlyMethods($mockedmethods) 149 ->disableOriginalConstructor() 150 ->getMock(); 151 152 return $fs; 153 } 154 155 /** 156 * Test the start_conversion function. 157 */ 158 public function test_start_conversion_existing_single() { 159 $this->resetAfterTest(); 160 161 $sourcefile = $this->create_stored_file(); 162 163 $first = new conversion(0, (object) [ 164 'sourcefileid' => $sourcefile->get_id(), 165 'targetformat' => 'pdf', 166 ]); 167 $first->create(); 168 169 $converter = $this->get_testable_mock(['poll_conversion']); 170 $conversion = $converter->start_conversion($sourcefile, 'pdf', false); 171 172 // The old conversions should still be present and match the one returned. 173 $this->assertEquals($first->get('id'), $conversion->get('id')); 174 } 175 176 /** 177 * Test the start_conversion function. 178 */ 179 public function test_start_conversion_existing_multiple() { 180 $this->resetAfterTest(); 181 182 $sourcefile = $this->create_stored_file(); 183 184 $first = new conversion(0, (object) [ 185 'sourcefileid' => $sourcefile->get_id(), 186 'targetformat' => 'pdf', 187 ]); 188 $first->create(); 189 190 $second = new conversion(0, (object) [ 191 'sourcefileid' => $sourcefile->get_id(), 192 'targetformat' => 'pdf', 193 ]); 194 $second->create(); 195 196 $converter = $this->get_testable_mock(['poll_conversion']); 197 $conversion = $converter->start_conversion($sourcefile, 'pdf', false); 198 199 // The old conversions should have been removed. 200 $this->assertFalse(conversion::get_record(['id' => $first->get('id')])); 201 $this->assertFalse(conversion::get_record(['id' => $second->get('id')])); 202 } 203 204 /** 205 * Test the start_conversion function. 206 */ 207 public function test_start_conversion_no_existing() { 208 $this->resetAfterTest(); 209 210 $sourcefile = $this->create_stored_file(); 211 212 $converter = $this->get_testable_mock(['poll_conversion']); 213 $conversion = $converter->start_conversion($sourcefile, 'pdf', false); 214 215 $this->assertInstanceOf(\core_files\conversion::class, $conversion); 216 } 217 218 /** 219 * Test the get_document_converter_classes function with no enabled plugins. 220 */ 221 public function test_get_document_converter_classes_no_plugins() { 222 $converter = $this->get_testable_mock(['get_enabled_plugins']); 223 $converter->method('get_enabled_plugins')->willReturn([]); 224 225 $method = new ReflectionMethod(\core_files\converter::class, 'get_document_converter_classes'); 226 $method->setAccessible(true); 227 $result = $method->invokeArgs($converter, ['docx', 'pdf']); 228 $this->assertEmpty($result); 229 } 230 231 /** 232 * Test the get_document_converter_classes function when no class was found. 233 */ 234 public function test_get_document_converter_classes_plugin_class_not_found() { 235 $converter = $this->get_testable_mock(['get_enabled_plugins']); 236 $converter->method('get_enabled_plugins')->willReturn([ 237 'noplugin' => '\not\a\real\plugin', 238 ]); 239 240 $method = new ReflectionMethod(\core_files\converter::class, 'get_document_converter_classes'); 241 $method->setAccessible(true); 242 $result = $method->invokeArgs($converter, ['docx', 'pdf']); 243 $this->assertEmpty($result); 244 } 245 246 /** 247 * Test the get_document_converter_classes function when the returned classes do not meet requirements. 248 */ 249 public function test_get_document_converter_classes_plugin_class_requirements_not_met() { 250 $plugin = $this->getMockBuilder(\core_file_converter_requirements_not_met::class) 251 ->onlyMethods([]) 252 ->getMock(); 253 254 $converter = $this->get_testable_mock(['get_enabled_plugins']); 255 $converter->method('get_enabled_plugins')->willReturn([ 256 'test_plugin' => get_class($plugin), 257 ]); 258 259 $method = new ReflectionMethod(\core_files\converter::class, 'get_document_converter_classes'); 260 $method->setAccessible(true); 261 $result = $method->invokeArgs($converter, ['docx', 'pdf']); 262 $this->assertEmpty($result); 263 } 264 265 /** 266 * Test the get_document_converter_classes function when the returned classes do not meet requirements. 267 */ 268 public function test_get_document_converter_classes_plugin_class_met_not_supported() { 269 $plugin = $this->getMockBuilder(\core_file_converter_type_not_supported::class) 270 ->onlyMethods([]) 271 ->getMock(); 272 273 $converter = $this->get_testable_mock(['get_enabled_plugins']); 274 $converter->method('get_enabled_plugins')->willReturn([ 275 'test_plugin' => get_class($plugin), 276 ]); 277 278 $method = new ReflectionMethod(\core_files\converter::class, 'get_document_converter_classes'); 279 $method->setAccessible(true); 280 $result = $method->invokeArgs($converter, ['docx', 'pdf']); 281 $this->assertEmpty($result); 282 } 283 284 /** 285 * Test the get_document_converter_classes function when the returned classes do not meet requirements. 286 */ 287 public function test_get_document_converter_classes_plugin_class_met_and_supported() { 288 $plugin = $this->getMockBuilder(\core_file_converter_type_supported::class) 289 ->onlyMethods([]) 290 ->getMock(); 291 $classname = get_class($plugin); 292 293 $converter = $this->get_testable_mock(['get_enabled_plugins']); 294 $converter->method('get_enabled_plugins')->willReturn([ 295 'test_plugin' => $classname, 296 ]); 297 298 $method = new ReflectionMethod(\core_files\converter::class, 'get_document_converter_classes'); 299 $method->setAccessible(true); 300 $result = $method->invokeArgs($converter, ['docx', 'pdf']); 301 $this->assertCount(1, $result); 302 $this->assertNotFalse(array_search($classname, $result)); 303 } 304 305 /** 306 * Test the can_convert_storedfile_to function with a directory. 307 */ 308 public function test_can_convert_storedfile_to_directory() { 309 $converter = $this->get_testable_mock(); 310 311 // A file with filename '.' is a directory. 312 $file = $this->get_stored_file('', '.'); 313 314 $this->assertFalse($converter->can_convert_storedfile_to($file, 'target')); 315 } 316 317 /** 318 * Test the can_convert_storedfile_to function with an empty file. 319 */ 320 public function test_can_convert_storedfile_to_emptyfile() { 321 $converter = $this->get_testable_mock(); 322 323 // A file with filename '.' is a directory. 324 $file = $this->get_stored_file(''); 325 326 $this->assertFalse($converter->can_convert_storedfile_to($file, 'target')); 327 } 328 329 /** 330 * Test the can_convert_storedfile_to function with a file with indistinguished mimetype. 331 */ 332 public function test_can_convert_storedfile_to_no_mimetype() { 333 $converter = $this->get_testable_mock(); 334 335 // A file with filename '.' is a directory. 336 $file = $this->get_stored_file('example content', 'example', [ 337 'mimetype' => null, 338 ]); 339 340 $this->assertFalse($converter->can_convert_storedfile_to($file, 'target')); 341 } 342 343 /** 344 * Test the can_convert_storedfile_to function with a file with a known mimetype and extension. 345 */ 346 public function test_can_convert_storedfile_to_docx() { 347 $returnvalue = (object) []; 348 349 $converter = $this->get_testable_mock([ 350 'can_convert_format_to' 351 ]); 352 353 $types = \core_filetypes::get_types(); 354 355 $file = $this->get_stored_file('example content', 'example.docx', [ 356 'mimetype' => $types['docx']['type'], 357 ]); 358 359 $converter->expects($this->once()) 360 ->method('can_convert_format_to') 361 ->willReturn($returnvalue); 362 363 $result = $converter->can_convert_storedfile_to($file, 'target'); 364 $this->assertEquals($returnvalue, $result); 365 } 366 367 368 /** 369 * Test the can_convert_format_to function. 370 */ 371 public function test_can_convert_format_to_found() { 372 $converter = $this->get_testable_mock(['get_document_converter_classes']); 373 374 $mock = $this->get_mocked_converter(); 375 376 $converter->method('get_document_converter_classes') 377 ->willReturn([$mock]); 378 379 $result = $converter->can_convert_format_to('from', 'to'); 380 $this->assertTrue($result); 381 } 382 383 /** 384 * Test the can_convert_format_to function. 385 */ 386 public function test_can_convert_format_to_not_found() { 387 $converter = $this->get_testable_mock(['get_document_converter_classes']); 388 389 $converter->method('get_document_converter_classes') 390 ->willReturn([]); 391 392 $result = $converter->can_convert_format_to('from', 'to'); 393 $this->assertFalse($result); 394 } 395 396 /** 397 * Test the can_convert_storedfile_to function with an empty file. 398 */ 399 public function test_poll_conversion_in_progress() { 400 $this->resetAfterTest(); 401 402 $converter = $this->get_testable_mock([ 403 'get_document_converter_classes', 404 'get_next_converter', 405 ]); 406 407 $converter->method('get_document_converter_classes')->willReturn([]); 408 $converter->method('get_next_converter')->willReturn(false); 409 $file = $this->create_stored_file('example content', 'example', [ 410 'mimetype' => null, 411 ]); 412 413 $conversion = $this->get_testable_conversion([ 414 'get_converter_instance', 415 ]); 416 $conversion->set_sourcefile($file); 417 $conversion->set('targetformat', 'target'); 418 $conversion->set('status', conversion::STATUS_IN_PROGRESS); 419 $conversion->create(); 420 421 $converterinstance = $this->get_mocked_converter([ 422 'poll_conversion_status', 423 ]); 424 $converterinstance->expects($this->once()) 425 ->method('poll_conversion_status'); 426 $conversion->method('get_converter_instance')->willReturn($converterinstance); 427 428 $converter->poll_conversion($conversion); 429 430 $this->assertEquals(conversion::STATUS_IN_PROGRESS, $conversion->get('status')); 431 } 432 433 /** 434 * Test poll_conversion with an in-progress conversion where we are 435 * unable to instantiate the converter instance. 436 */ 437 public function test_poll_conversion_in_progress_fail() { 438 $this->resetAfterTest(); 439 440 $converter = $this->get_testable_mock([ 441 'get_document_converter_classes', 442 'get_next_converter', 443 ]); 444 445 $converter->method('get_document_converter_classes')->willReturn([]); 446 $converter->method('get_next_converter')->willReturn(false); 447 $file = $this->create_stored_file('example content', 'example', [ 448 'mimetype' => null, 449 ]); 450 451 $conversion = $this->get_testable_conversion([ 452 'get_converter_instance', 453 ]); 454 $conversion->set_sourcefile($file); 455 $conversion->set('targetformat', 'target'); 456 $conversion->set('status', conversion::STATUS_IN_PROGRESS); 457 $conversion->create(); 458 459 $conversion->method('get_converter_instance')->willReturn(false); 460 461 $converter->poll_conversion($conversion); 462 463 $this->assertEquals(conversion::STATUS_FAILED, $conversion->get('status')); 464 } 465 466 /** 467 * Test the can_convert_storedfile_to function with an empty file. 468 */ 469 public function test_poll_conversion_none_supported() { 470 $this->resetAfterTest(); 471 472 $converter = $this->get_testable_mock([ 473 'get_document_converter_classes', 474 'get_next_converter', 475 ]); 476 477 $converter->method('get_document_converter_classes')->willReturn([]); 478 $converter->method('get_next_converter')->willReturn(false); 479 $file = $this->create_stored_file('example content', 'example', [ 480 'mimetype' => null, 481 ]); 482 483 $conversion = new conversion(0, (object) [ 484 'sourcefileid' => $file->get_id(), 485 'targetformat' => 'target', 486 ]); 487 $conversion->create(); 488 489 $converter->poll_conversion($conversion); 490 491 $this->assertEquals(conversion::STATUS_FAILED, $conversion->get('status')); 492 } 493 494 /** 495 * Test the can_convert_storedfile_to function with an empty file. 496 */ 497 public function test_poll_conversion_pick_first() { 498 $this->resetAfterTest(); 499 500 $converterinstance = $this->get_mocked_converter([ 501 'start_document_conversion', 502 'poll_conversion_status', 503 ]); 504 $converter = $this->get_testable_mock([ 505 'get_document_converter_classes', 506 'get_next_converter', 507 ]); 508 509 $converter->method('get_document_converter_classes')->willReturn([]); 510 $converter->method('get_next_converter')->willReturn(get_class($converterinstance)); 511 $file = $this->create_stored_file('example content', 'example', [ 512 'mimetype' => null, 513 ]); 514 515 $conversion = $this->get_testable_conversion([ 516 'get_converter_instance', 517 ]); 518 $conversion->set_sourcefile($file); 519 $conversion->set('targetformat', 'target'); 520 $conversion->set('status', conversion::STATUS_PENDING); 521 $conversion->create(); 522 523 $conversion->method('get_converter_instance')->willReturn($converterinstance); 524 525 $converterinstance->expects($this->once()) 526 ->method('start_document_conversion'); 527 $converterinstance->expects($this->never()) 528 ->method('poll_conversion_status'); 529 530 $converter->poll_conversion($conversion); 531 532 $this->assertEquals(conversion::STATUS_IN_PROGRESS, $conversion->get('status')); 533 } 534 535 /** 536 * Test the can_convert_storedfile_to function with an empty file. 537 */ 538 public function test_poll_conversion_pick_subsequent() { 539 $this->resetAfterTest(); 540 541 $converterinstance = $this->get_mocked_converter([ 542 'start_document_conversion', 543 'poll_conversion_status', 544 ]); 545 $converterinstance2 = $this->get_mocked_converter([ 546 'start_document_conversion', 547 'poll_conversion_status', 548 ]); 549 $converter = $this->get_testable_mock([ 550 'get_document_converter_classes', 551 'get_next_converter', 552 ]); 553 554 $converter->method('get_document_converter_classes')->willReturn([]); 555 $converter->method('get_next_converter') 556 ->will($this->onConsecutiveCalls( 557 get_class($converterinstance), 558 get_class($converterinstance2) 559 )); 560 561 $file = $this->create_stored_file('example content', 'example', [ 562 'mimetype' => null, 563 ]); 564 565 $conversion = $this->get_testable_conversion([ 566 'get_converter_instance', 567 'get_status', 568 ]); 569 $conversion->set_sourcefile($file); 570 $conversion->set('targetformat', 'target'); 571 $conversion->set('status', conversion::STATUS_PENDING); 572 $conversion->create(); 573 574 $conversion->method('get_status') 575 ->will($this->onConsecutiveCalls( 576 // Initial status check. 577 conversion::STATUS_PENDING, 578 // Second check to make sure it's still pending after polling. 579 conversion::STATUS_PENDING, 580 // First one fails. 581 conversion::STATUS_FAILED, 582 // Second one succeeds. 583 conversion::STATUS_COMPLETE, 584 // And the final result checked in this unit test. 585 conversion::STATUS_COMPLETE 586 )); 587 588 $conversion->method('get_converter_instance') 589 ->will($this->onConsecutiveCalls( 590 $converterinstance, 591 $converterinstance2 592 )); 593 594 $converterinstance->expects($this->once()) 595 ->method('start_document_conversion'); 596 $converterinstance->expects($this->never()) 597 ->method('poll_conversion_status'); 598 $converterinstance2->expects($this->once()) 599 ->method('start_document_conversion'); 600 $converterinstance2->expects($this->never()) 601 ->method('poll_conversion_status'); 602 603 $converter->poll_conversion($conversion); 604 605 $this->assertEquals(conversion::STATUS_COMPLETE, $conversion->get('status')); 606 } 607 608 /** 609 * Test the start_conversion with a single converter which succeeds. 610 */ 611 public function test_start_conversion_one_supported_success() { 612 $this->resetAfterTest(); 613 614 $converter = $this->get_testable_mock([ 615 'get_document_converter_classes', 616 ]); 617 618 $converter->method('get_document_converter_classes') 619 ->willReturn([\core_file_converter_type_successful::class]); 620 621 $file = $this->create_stored_file('example content', 'example', [ 622 'mimetype' => null, 623 ]); 624 625 $conversion = $converter->start_conversion($file, 'target'); 626 627 $this->assertEquals(conversion::STATUS_COMPLETE, $conversion->get('status')); 628 } 629 630 /** 631 * Test the start_conversion with a single converter which failes. 632 */ 633 public function test_start_conversion_one_supported_failure() { 634 $this->resetAfterTest(); 635 636 $converter = $this->get_testable_mock([ 637 'get_document_converter_classes', 638 ]); 639 640 $mock = $this->get_mocked_converter(['start_document_conversion']); 641 $converter->method('get_document_converter_classes') 642 ->willReturn([\core_file_converter_type_failed::class]); 643 644 $file = $this->create_stored_file('example content', 'example', [ 645 'mimetype' => null, 646 ]); 647 648 $conversion = $converter->start_conversion($file, 'target'); 649 650 $this->assertEquals(conversion::STATUS_FAILED, $conversion->get('status')); 651 } 652 653 /** 654 * Test the start_conversion with two converters - fail, then succeed. 655 */ 656 public function test_start_conversion_two_supported() { 657 $this->resetAfterTest(); 658 659 $converter = $this->get_testable_mock([ 660 'get_document_converter_classes', 661 ]); 662 663 $mock = $this->get_mocked_converter(['start_document_conversion']); 664 $converter->method('get_document_converter_classes') 665 ->willReturn([ 666 \core_file_converter_type_failed::class, 667 \core_file_converter_type_successful::class, 668 ]); 669 670 $file = $this->create_stored_file('example content', 'example', [ 671 'mimetype' => null, 672 ]); 673 674 $conversion = $converter->start_conversion($file, 'target'); 675 676 $this->assertEquals(conversion::STATUS_COMPLETE, $conversion->get('status')); 677 } 678 679 /** 680 * Ensure that get_next_converter returns false when no converters are available. 681 */ 682 public function test_get_next_converter_no_converters() { 683 $rcm = new \ReflectionMethod(converter::class, 'get_next_converter'); 684 $rcm->setAccessible(true); 685 686 $converter = new \core_files\converter(); 687 $result = $rcm->invoke($converter, [], null); 688 $this->assertFalse($result); 689 } 690 691 /** 692 * Ensure that get_next_converter returns false when already on the 693 * only converter. 694 */ 695 public function test_get_next_converter_only_converters() { 696 $rcm = new \ReflectionMethod(converter::class, 'get_next_converter'); 697 $rcm->setAccessible(true); 698 699 $converter = new converter(); 700 $result = $rcm->invoke($converter, ['example'], 'example'); 701 $this->assertFalse($result); 702 } 703 704 /** 705 * Ensure that get_next_converter returns false when already on the 706 * last converter. 707 */ 708 public function test_get_next_converter_last_converters() { 709 $rcm = new \ReflectionMethod(converter::class, 'get_next_converter'); 710 $rcm->setAccessible(true); 711 712 $converter = new converter(); 713 $result = $rcm->invoke($converter, ['foo', 'example'], 'example'); 714 $this->assertFalse($result); 715 } 716 717 /** 718 * Ensure that get_next_converter returns the next vlaue when in a 719 * current converter. 720 */ 721 public function test_get_next_converter_middle_converters() { 722 $rcm = new \ReflectionMethod(converter::class, 'get_next_converter'); 723 $rcm->setAccessible(true); 724 725 $converter = new converter(); 726 $result = $rcm->invoke($converter, ['foo', 'bar', 'baz', 'example'], 'bar'); 727 $this->assertEquals('baz', $result); 728 } 729 /** 730 * 731 * Ensure that get_next_converter returns the next vlaue when in a 732 * current converter. 733 */ 734 public function test_get_next_converter_first() { 735 $rcm = new \ReflectionMethod(converter::class, 'get_next_converter'); 736 $rcm->setAccessible(true); 737 738 $converter = new converter(); 739 $result = $rcm->invoke($converter, ['foo', 'bar', 'baz', 'example']); 740 $this->assertEquals('foo', $result); 741 } 742 } 743 744 class core_file_converter_requirements_base implements \core_files\converter_interface { 745 746 /** 747 * Whether the plugin is configured and requirements are met. 748 * 749 * @return bool 750 */ 751 public static function are_requirements_met() { 752 return false; 753 } 754 755 /** 756 * Convert a document to a new format and return a conversion object relating to the conversion in progress. 757 * 758 * @param conversion $conversion The file to be converted 759 * @return conversion 760 */ 761 public function start_document_conversion(conversion $conversion) { 762 } 763 764 /** 765 * Poll an existing conversion for status update. 766 * 767 * @param conversion $conversion The file to be converted 768 * @return conversion 769 */ 770 public function poll_conversion_status(conversion $conversion) { 771 } 772 773 /** 774 * Whether a file conversion can be completed using this converter. 775 * 776 * @param string $from The source type 777 * @param string $to The destination type 778 * @return bool 779 */ 780 public static function supports($from, $to) { 781 return false; 782 } 783 784 /** 785 * A list of the supported conversions. 786 * 787 * @return string 788 */ 789 public function get_supported_conversions() { 790 return []; 791 } 792 793 } 794 795 /** 796 * Test class for converter support with requirements are not met. 797 * 798 * @package core_files 799 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 800 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 801 */ 802 class core_file_converter_requirements_not_met extends core_file_converter_requirements_base { 803 } 804 805 /** 806 * Test class for converter support with requirements met and conversion not supported. 807 * 808 * @package core_files 809 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 810 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 811 */ 812 class core_file_converter_type_not_supported extends core_file_converter_requirements_base { 813 814 /** 815 * Whether the plugin is configured and requirements are met. 816 * 817 * @return bool 818 */ 819 public static function are_requirements_met() { 820 return true; 821 } 822 } 823 824 /** 825 * Test class for converter support with requirements met and conversion supported. 826 * 827 * @package core_files 828 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 829 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 830 */ 831 class core_file_converter_type_supported extends core_file_converter_requirements_base { 832 833 /** 834 * Whether the plugin is configured and requirements are met. 835 * 836 * @return bool 837 */ 838 public static function are_requirements_met() { 839 return true; 840 } 841 842 /** 843 * Whether a file conversion can be completed using this converter. 844 * 845 * @param string $from The source type 846 * @param string $to The destination type 847 * @return bool 848 */ 849 public static function supports($from, $to) { 850 return true; 851 } 852 } 853 854 /** 855 * Test class for converter support with requirements met and successful conversion. 856 * 857 * @package core_files 858 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 859 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 860 */ 861 class core_file_converter_type_successful extends core_file_converter_requirements_base { 862 863 /** 864 * Convert a document to a new format and return a conversion object relating to the conversion in progress. 865 * 866 * @param conversion $conversion The file to be converted 867 * @return conversion 868 */ 869 public function start_document_conversion(conversion $conversion) { 870 $conversion->set('status', conversion::STATUS_COMPLETE); 871 872 return $conversion; 873 } 874 875 /** 876 * Whether a file conversion can be completed using this converter. 877 * 878 * @param string $from The source type 879 * @param string $to The destination type 880 * @return bool 881 */ 882 public static function supports($from, $to) { 883 return true; 884 } 885 } 886 887 /** 888 * Test class for converter support with requirements met and failed conversion. 889 * 890 * @package core_files 891 * @copyright 2017 Andrew nicols <andrew@nicols.co.uk> 892 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 893 */ 894 class core_file_converter_type_failed extends core_file_converter_requirements_base { 895 896 /** 897 * Whether the plugin is configured and requirements are met. 898 * 899 * @return bool 900 */ 901 public static function are_requirements_met() { 902 return true; 903 } 904 905 /** 906 * Convert a document to a new format and return a conversion object relating to the conversion in progress. 907 * 908 * @param conversion $conversion The file to be converted 909 * @return conversion 910 */ 911 public function start_document_conversion(conversion $conversion) { 912 $conversion->set('status', conversion::STATUS_FAILED); 913 914 return $conversion; 915 } 916 917 /** 918 * Whether a file conversion can be completed using this converter. 919 * 920 * @param string $from The source type 921 * @param string $to The destination type 922 * @return bool 923 */ 924 public static function supports($from, $to) { 925 return true; 926 } 927 }
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