See Release Notes
Long Term Support Release
<?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/>.< /** < * Test gd functionality. < * < * @package core < * @category phpunit < * @copyright 2015 Andrew Nicols <andrew@nicols.co.uk> < * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later < */ < < defined('MOODLE_INTERNAL') || die(); <> namespace core;/** * A set of tests for some of the gd functionality within Moodle. * * @package core< * @category phpunit> * @category test* @copyright 2015 Andrew Nicols <andrew@nicols.co.uk> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */< class core_gdlib_testcase extends basic_testcase {> class gdlib_test extends \basic_testcase {private $fixturepath = null; public function setUp(): void { $this->fixturepath = __DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR; } public function test_generate_image_thumbnail() { global $CFG; require_once($CFG->libdir . '/gdlib.php'); // Test with meaningless data. // Now use a fixture. $pngpath = $this->fixturepath . 'gd-logo.png'; $pngthumb = generate_image_thumbnail($pngpath, 24, 24); $this->assertTrue(is_string($pngthumb)); // And check that the generated image was of the correct proportions and mimetype. $imageinfo = getimagesizefromstring($pngthumb); $this->assertEquals(24, $imageinfo[0]); $this->assertEquals(24, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); } public function test_generate_image_thumbnail_from_string() { global $CFG; require_once($CFG->libdir . '/gdlib.php'); // Test with meaningless data. // First empty values. $this->assertFalse(generate_image_thumbnail_from_string('', 24, 24)); $this->assertFalse(generate_image_thumbnail_from_string('invalid', 0, 24)); $this->assertFalse(generate_image_thumbnail_from_string('invalid', 24, 0)); // Now an invalid string. $this->assertFalse(generate_image_thumbnail_from_string('invalid', 24, 24)); // Now use a fixture. $pngpath = $this->fixturepath . 'gd-logo.png'; $pngdata = file_get_contents($pngpath); $pngthumb = generate_image_thumbnail_from_string($pngdata, 24, 24); $this->assertTrue(is_string($pngthumb)); // And check that the generated image was of the correct proportions and mimetype. $imageinfo = getimagesizefromstring($pngthumb); $this->assertEquals(24, $imageinfo[0]); $this->assertEquals(24, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); } public function test_resize_image() { global $CFG; require_once($CFG->libdir . '/gdlib.php'); $pngpath = $this->fixturepath . 'gd-logo.png'; // Preferred height. $newpng = resize_image($pngpath, null, 24); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(89, $imageinfo[0]); $this->assertEquals(24, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); // Preferred width. $newpng = resize_image($pngpath, 100, null); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(100, $imageinfo[0]); $this->assertEquals(26, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); // Preferred width and height. $newpng = resize_image($pngpath, 50, 50); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(50, $imageinfo[0]); $this->assertEquals(13, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); } public function test_resize_image_from_image() { global $CFG; require_once($CFG->libdir . '/gdlib.php'); $pngpath = $this->fixturepath . 'gd-logo.png'; $origimageinfo = getimagesize($pngpath); $imagecontent = file_get_contents($pngpath); // Preferred height. $imageresource = imagecreatefromstring($imagecontent); $newpng = resize_image_from_image($imageresource, $origimageinfo, null, 24); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(89, $imageinfo[0]); $this->assertEquals(24, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); // Preferred width. $imageresource = imagecreatefromstring($imagecontent); $newpng = resize_image_from_image($imageresource, $origimageinfo, 100, null); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(100, $imageinfo[0]); $this->assertEquals(26, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); // Preferred width and height. $imageresource = imagecreatefromstring($imagecontent); $newpng = resize_image_from_image($imageresource, $origimageinfo, 50, 50); $this->assertTrue(is_string($newpng)); $imageinfo = getimagesizefromstring($newpng); $this->assertEquals(50, $imageinfo[0]); $this->assertEquals(13, $imageinfo[1]); $this->assertEquals('image/png', $imageinfo['mime']); } }