lib/tests/antivirus_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  * Tests for antivirus manager.
  19  *
  20  * @package    core_antivirus
  21  * @category   phpunit
  22  * @copyright  2016 Ruslan Kabalin, Lancaster University.
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27 require_once(__DIR__ . '/fixtures/testable_antivirus.php');
  28
  29 class core_antivirus_testcase extends advanced_testcase {
  30     protected $tempfile;
  31
  32     protected function setUp() {
  33         global $CFG;
  34         // Use our special testable fixture plugin.
  35         $CFG->antiviruses = 'testable';
  36
  37         $this->resetAfterTest();
  38
  39         // Create tempfile.
  40         $tempfolder = make_request_directory(false);
  41         $this->tempfile = $tempfolder . '/' . rand();
  42         touch($this->tempfile);
  43     }
  44
  45     protected function tearDown() {
  46         @unlink($this->tempfile);
  47     }
  48
  49     public function test_manager_get_antivirus() {
  50         // We are using clamav plugin in the test,
  51         // as the only plugin we know exists for sure.
  52         $antivirusviaget = \core\antivirus\manager::get_antivirus('clamav');
  53         $antivirusdirect = new \antivirus_clamav\scanner();
  54         $this->assertEquals($antivirusdirect, $antivirusviaget);
  55     }
  56
  57     public function test_manager_scan_file_no_virus() {
  58         // Run mock scanning.
  59         $this->assertFileExists($this->tempfile);
  60         $this->assertEmpty(\core\antivirus\manager::scan_file($this->tempfile, 'OK', true));
  61         // File expected to remain in place.
  62         $this->assertFileExists($this->tempfile);
  63     }
  64
  65     public function test_manager_scan_file_error() {
  66         // Run mock scanning.
  67         $this->assertFileExists($this->tempfile);
  68         $this->assertEmpty(\core\antivirus\manager::scan_file($this->tempfile, 'ERROR', true));
  69         // File expected to remain in place.
  70         $this->assertFileExists($this->tempfile);
  71     }
  72
  73     public function test_manager_scan_file_virus() {
  74         // Run mock scanning without deleting infected file.
  75         $this->assertFileExists($this->tempfile);
  76         $this->expectException(\core\antivirus\scanner_exception::class);
  77         $this->assertEmpty(\core\antivirus\manager::scan_file($this->tempfile, 'FOUND', false));
  78         // File expected to remain in place.
  79         $this->assertFileExists($this->tempfile);
  80
  81         // Run mock scanning with deleting infected file.
  82         $this->expectException(\core\antivirus\scanner_exception::class);
  83         $this->assertEmpty(\core\antivirus\manager::scan_file($this->tempfile, 'FOUND', true));
  84         // File expected to be deleted.
  85         $this->assertFileNotExists($this->tempfile);
  86     }
  87
  88     public function test_manager_scan_data_no_virus() {
  89         // Run mock scanning.
  90         $this->assertEmpty(\core\antivirus\manager::scan_data('OK'));
  91     }
  92
  93     public function test_manager_scan_data_error() {
  94         // Run mock scanning.
  95         $this->assertEmpty(\core\antivirus\manager::scan_data('ERROR'));
  96     }
  97
  98     public function test_manager_scan_data_virus() {
  99         // Run mock scanning.
 100         $this->expectException(\core\antivirus\scanner_exception::class);
 101         $this->assertEmpty(\core\antivirus\manager::scan_data('FOUND'));
 102     }
 103 }