Proyectos de Subversion Moodle

<?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/>.

namespace core_files;

/**

 * PHPUnit tests for conversion persistent.

 *

 * @package    core_files

 * @copyright  2017 Andrew nicols <andrew@nicols.co.uk>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class conversion_test extends \advanced_testcase {

    /**

     * Helper to create a stored file object with the given supplied content.

     *

     * @param   string $filecontent The content of the mocked file

     * @param   string $filename The file name to use in the stored_file

     * @param   string $filerecord Any overrides to the filerecord

     * @return  \stored_file

     */

    protected function create_stored_file($filecontent = 'content', $filename = 'testfile.txt', $filerecord = []) {

        $filerecord = array_merge([

                'contextid' => \context_system::instance()->id,

                'component' => 'core',

                'filearea'  => 'unittest',

                'itemid'    => 0,

                'filepath'  => '/',

                'filename'  => $filename,

            ], $filerecord);

        $fs = get_file_storage();

        $file = $fs->create_file_from_string($filerecord, $filecontent);

        return $file;

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record with matching sourcefileid and targetformat.

     */

    public function test_get_conversions_for_file_existing_conversion_incomplete() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $existing = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

            ]);

        $existing->create();

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $conversionfile = $conversion->get_sourcefile();

        $this->assertEquals($sourcefile->get_id(), $conversionfile->get_id());

        $this->assertFalse($conversion->get_destfile());

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record with matching sourcefileid and targetformat when a file with the same

     * contenthash is uploaded several times.

     *

     * @covers \core_files\conversion::get_conversions_for_file

     */

    public function test_get_conversions_for_multiple_files_existing_conversion_incomplete() {

        $this->resetAfterTest();

        // Create a bunch of files with the same content.

        for ($i = 0; $i < 5; $i++) {

            $sourcefiles[] = $this->create_stored_file('test content', 'testfile' . $i . '.txt');

        }

        // Use only one file for the conversion.

        // Pick some file in the middle.

        $sourcefile = $sourcefiles[count($sourcefiles) - 2];

        $existing = new conversion(0, (object) [

            'sourcefileid' => $sourcefile->get_id(),

            'targetformat' => 'pdf',

        ]);

        $existing->create();

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $conversionfile = $conversion->get_sourcefile();

        $this->assertEquals($sourcefile->get_id(), $conversionfile->get_id());

        $this->assertFalse($conversion->get_destfile());

        // Check that getting the conversion for a different file record with the same contenthash

        // returns the same conversion as above.

        $conversions = conversion::get_conversions_for_file($sourcefiles[count($sourcefiles) - 1], 'pdf');

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $conversionfile = $conversion->get_sourcefile();

        $this->assertEquals($existing->get('id'), $conversion->get('id'));

        $this->assertEquals($sourcefile->get_id(), $conversionfile->get_id());

        $this->assertFalse($conversion->get_destfile());

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record with matching sourcefileid and targetformat when a second

     * conversion to a different format exists.

     */

    public function test_get_conversions_for_file_existing_conversion_multiple_formats_incomplete() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $existing = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

            ]);

        $existing->create();

        $second = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'doc',

            ]);

        $second->create();

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $conversionfile = $conversion->get_sourcefile();

        $this->assertEquals($sourcefile->get_id(), $conversionfile->get_id());

        $this->assertFalse($conversion->get_destfile());

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record with matching sourcefileid and targetformat.

     */

    public function test_get_conversions_for_file_existing_conversion_complete() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $destfile = $this->create_stored_file(

            'example content',

            $sourcefile->get_contenthash(),

            [

                'component' => 'core',

                'filearea' => 'documentconversion',

                'filepath' => '/pdf/',

            ]);

        $existing = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

                'destfileid' => $destfile->get_id(),

            ]);

        $existing->create();

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        // Only one file should be returned.

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $this->assertEquals($existing->get('id'), $conversion->get('id'));

        $this->assertEquals($sourcefile->get_id(), $conversion->get_sourcefile()->get_id());

        $this->assertEquals($destfile->get_id(), $conversion->get_destfile()->get_id());

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record with matching sourcefileid and targetformat.

     */

    public function test_get_conversions_for_file_existing_conversion_multiple_formats_complete() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $destfile = $this->create_stored_file(

            'example content',

            $sourcefile->get_contenthash(),

            [

                'component' => 'core',

                'filearea' => 'documentconversion',

                'filepath' => '/pdf/',

            ]);

        $existing = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

                'destfileid' => $destfile->get_id(),

            ]);

        $existing->create();

        $second = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'doc',

            ]);

        $second->create();

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        // Only one file should be returned.

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $this->assertEquals($sourcefile->get_id(), $conversion->get_sourcefile()->get_id());

        $this->assertEquals($destfile->get_id(), $conversion->get_destfile()->get_id());

    }

    /**

     * Ensure that get_conversions_for_file returns an existing conversion

     * record does not exist, but the file has previously been converted.

     */

    public function test_get_conversions_for_file_existing_target() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $destfile = $this->create_stored_file(

            'example content',

            $sourcefile->get_contenthash(),

            [

                'component' => 'core',

                'filearea' => 'documentconversion',

                'filepath' => '/pdf/',

            ]);

        $conversions = conversion::get_conversions_for_file($sourcefile, 'pdf');

        $this->assertCount(1, $conversions);

        $conversion = array_shift($conversions);

        $conversionsource = $conversion->get_sourcefile();

        $this->assertEquals($sourcefile->get_id(), $conversionsource->get_id());

        $conversiondest = $conversion->get_destfile();

        $this->assertEquals($destfile->get_id(), $conversiondest->get_id());

    }

    /**

     * Ensure that set_sourcefile sets the correct fileid.

     */

    public function test_set_sourcefile() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) []);

        $conversion->set_sourcefile($sourcefile);

        $this->assertEquals($sourcefile->get_id(), $conversion->get('sourcefileid'));

        $this->assertNull($conversion->get('destfileid'));

    }

    /**

     * Ensure that store_destfile_from_path stores the file as expected.

     */

    public function test_store_destfile_from_path() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

            'sourcefileid' => $sourcefile->get_id(),

            'targetformat' => 'pdf',

        ]);

        $fixture = __FILE__;

        $conversion->store_destfile_from_path($fixture);

        $destfile = $conversion->get_destfile();

        $this->assertEquals(file_get_contents($fixture), $destfile->get_content());

    }

    /**

     * Ensure that store_destfile_from_path stores the file as expected.

     */

    public function test_store_destfile_from_path_delete_existing() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

            'sourcefileid' => $sourcefile->get_id(),

            'targetformat' => 'pdf',

        ]);

        $record = [

            'contextid' => \context_system::instance()->id,

            'component' => 'core',

            'filearea'  => 'documentconversion',

            'itemid'    => 0,

            'filepath'  => '/pdf/',

        ];

        $existingfile = $this->create_stored_file('foo', $sourcefile->get_contenthash(), $record);

        $fixture = __FILE__;

        $conversion->store_destfile_from_path($fixture);

        $destfile = $conversion->get_destfile();

        $this->assertEquals(file_get_contents($fixture), $destfile->get_content());

    }

    /**

     * Ensure that store_destfile_from_path stores the file as expected.

     */

    public function test_store_destfile_from_string() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

            'sourcefileid' => $sourcefile->get_id(),

            'targetformat' => 'pdf',

        ]);

        $fixture = 'Example content';

        $conversion->store_destfile_from_string($fixture);

        $destfile = $conversion->get_destfile();

        $this->assertEquals($fixture, $destfile->get_content());

    }

    /**

     * Ensure that store_destfile_from_string stores the file as expected when

     * an existing destfile is found.

     */

    public function test_store_destfile_from_string_delete_existing() {

        $this->resetAfterTest();

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

            'sourcefileid' => $sourcefile->get_id(),

            'targetformat' => 'pdf',

        ]);

        $record = [

            'contextid' => \context_system::instance()->id,

            'component' => 'core',

            'filearea'  => 'documentconversion',

            'itemid'    => 0,

            'filepath'  => '/pdf/',

        ];

        $existingfile = $this->create_stored_file('foo', $sourcefile->get_contenthash(), $record);

        $fixture = 'Example content';

        $conversion->store_destfile_from_string($fixture);

        $destfile = $conversion->get_destfile();

        $this->assertEquals($fixture, $destfile->get_content());

    }

    /**

     * Ensure that the get_status functions cast the status to integer correctly.

     */

    public function test_get_status() {

        $conversion = new conversion(0, (object) [

            'status' => (string) 1,

        ]);

        $this->assertIsInt($conversion->get('status'));

    }

    /**

     * Ensure that get_converter_instance returns false when no converter is set.

     */

    public function test_get_converter_instance_none_set() {

        $conversion = new conversion(0, (object) []);

        $this->assertFalse($conversion->get_converter_instance());

    }

    /**

     * Ensure that get_converter_instance returns false when no valid converter is set.

     */

    public function test_get_converter_instance_invalid_set() {

        $conversion = new conversion(0, (object) [

            'converter' => '\\fileconverter_not_a_valid_converter\\converter',

        ]);

        $this->assertFalse($conversion->get_converter_instance());

    }

    /**

     * Ensure that get_converter_instance returns an instance when a valid converter is set.

     */

    public function test_get_converter_instance_valid_set() {

        $conversion = new conversion(0, (object) [

            'converter' => \fileconverter_unoconv\converter::class,

        ]);

        $this->assertInstanceOf(\fileconverter_unoconv\converter::class, $conversion->get_converter_instance());

    }

    /**

     * Test that all old conversion records are removed periodically.

     */

    public function test_remove_old_conversion_records_old() {

        $this->resetAfterTest();

        global $DB;

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

            ]);

        $conversion->create();

        $DB->set_field(conversion::TABLE, 'timemodified', time() - YEARSECS);

        conversion::remove_old_conversion_records();

        $this->assertEquals(0, $DB->count_records(conversion::TABLE));

    }

    /**

     * Test that all old conversion records are removed periodically.

     */

    public function test_remove_old_conversion_records_young() {

        $this->resetAfterTest();

        global $DB;

        $sourcefile = $this->create_stored_file();

        $conversion = new conversion(0, (object) [

                'sourcefileid' => $sourcefile->get_id(),

                'targetformat' => 'pdf',

            ]);

        $conversion->create();

        $DB->set_field(conversion::TABLE, 'timemodified', time() - DAYSECS);

        conversion::remove_old_conversion_records();

        $this->assertEquals(1, $DB->count_records(conversion::TABLE));

    }

    /**

     * Test orphan records are removed.

     */

    public function test_remove_orphan_records() {

        global $DB;

        $this->resetAfterTest();

        $sf1 = $this->create_stored_file('1', '1');

        $sf2 = $this->create_stored_file('2', '2');

        $sf3 = $this->create_stored_file('3', '3');

        $c1 = new conversion(0, (object) ['sourcefileid' => $sf1->get_id(), 'targetformat' => 'pdf']);

        $c1->create();

        $c2 = new conversion(0, (object) ['sourcefileid' => $sf2->get_id(), 'targetformat' => 'pdf']);

        $c2->create();

        $c3 = new conversion(0, (object) ['sourcefileid' => $sf3->get_id(), 'targetformat' => 'pdf']);

        $c3->create();

        $this->assertTrue(conversion::record_exists($c1->get('id')));

        $this->assertTrue(conversion::record_exists($c2->get('id')));

        $this->assertTrue(conversion::record_exists($c3->get('id')));

        // Nothing should happen here.

        conversion::remove_orphan_records();

        $this->assertTrue(conversion::record_exists($c1->get('id')));

        $this->assertTrue(conversion::record_exists($c2->get('id')));

        $this->assertTrue(conversion::record_exists($c3->get('id')));

        // Delete file #2.

        $sf2->delete();

        conversion::remove_orphan_records();

        $this->assertTrue(conversion::record_exists($c1->get('id')));

        $this->assertFalse(conversion::record_exists($c2->get('id')));

        $this->assertTrue(conversion::record_exists($c3->get('id')));

        // Delete file #1, #3.

        $sf1->delete();

        $sf3->delete();

        conversion::remove_orphan_records();

        $this->assertFalse(conversion::record_exists($c1->get('id')));

        $this->assertFalse(conversion::record_exists($c2->get('id')));

        $this->assertFalse(conversion::record_exists($c3->get('id')));

    }

}