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105 lines
4.1 KiB
PHP
105 lines
4.1 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace core_ai;
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/**
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* Test ai image class methods.
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*
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* @package core_ai
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* @copyright 2024 Matt Porritt <matt.porritt@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @covers \core_ai\ai_image
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*/
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final class ai_image_test extends \advanced_testcase {
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/**
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* Test get_predominant_color.
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*/
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public function test_get_predominant_color(): void {
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$x = 0;
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$y = 180;
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$width = 20;
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$height = 20;
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// Test for black image.
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$imagepath = self::get_fixture_path(__NAMESPACE__, 'black.png'); // Get the test image from the fixtures file.
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'get_predominant_color');
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$color = $method->invoke($image, $x, $y, $width, $height);
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$this->assertEquals(0, $color['red']);
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$this->assertEquals(0, $color['green']);
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$this->assertEquals(0, $color['blue']);
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// Test for white image.
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$imagepath = self::get_fixture_path(__NAMESPACE__, 'white.png');
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'get_predominant_color');
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$color = $method->invoke($image, $x, $y, $width, $height);
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$this->assertEquals(255, $color['red']);
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$this->assertEquals(255, $color['green']);
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$this->assertEquals(255, $color['blue']);
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// Test for grey image.
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$imagepath = self::get_fixture_path(__NAMESPACE__, 'grey.png');
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'get_predominant_color');
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$color = $method->invoke($image, $x, $y, $width, $height);
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$this->assertEquals(128, $color['red']);
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$this->assertEquals(128, $color['green']);
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$this->assertEquals(128, $color['blue']);
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}
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/**
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* Test is_color_dark.
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*/
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public function test_is_color_dark(): void {
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// Load an image as it is required for class instantiation.
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// The color of the image is not important for this test.
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$imagepath = self::get_fixture_path(__NAMESPACE__, 'black.png');
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'is_color_dark');
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$color = ['red' => 0, 'green' => 0, 'blue' => 0];
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$result = $method->invoke($image, $color);
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$this->assertTrue($result);
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'is_color_dark');
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$color = ['red' => 255, 'green' => 255, 'blue' => 255];
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$result = $method->invoke($image, $color);
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$this->assertFalse($result);
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$imagepath = self::get_fixture_path(__NAMESPACE__, 'grey.png');
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$image = new ai_image($imagepath);
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// We're working with a private method here, so we need to use reflection.
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$method = new \ReflectionMethod($image, 'is_color_dark');
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$color = ['red' => 128, 'green' => 128, 'blue' => 128];
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$result = $method->invoke($image, $color);
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$this->assertTrue($result);
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}
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}
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