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Developer Documentation
- Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
- Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
- PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
Differences Between: [Versions 400 and 401] [Versions 400 and 402] [Versions 400 and 403]
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 * Class test_css_text_has_contrast test 19 * 20 * @package tool_brickfield 21 * @copyright 2020 onward: Brickfield Education Labs, https://www.brickfield.ie 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 namespace tool_brickfield\local\htmlchecker\common\checks; 26 27 defined('MOODLE_INTERNAL') || die(); 28 29 require_once ('all_checks.php'); 30 31 /** 32 * Class test_css_text_has_contrast_test 33 */ 34 class css_text_has_contrast_test extends all_checks { 35 /** @var string The check type. */ 36 protected $checktype = 'css_text_has_contrast'; 37 38 /** @var string HTML that should get flagged. */ 39 private $htmlfail1 = <<<EOD 40 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 41 <html lang="en"> 42 <head> 43 <title>OAC Testfile - Check #6 - Positive</title> 44 </head> 45 <body> 46 <p style="color:#333333; background-color:#000000; font-weight: bold;">This is not contrasty enough.</p> 47 </body> 48 </html> 49 EOD; 50 51 /** @var string HTML that should get flagged. */ 52 private $htmlfail2 = <<<EOD 53 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 54 <html lang="en"> 55 <head> 56 <title>OAC Testfile - Check #6 - Positive</title> 57 </head> 58 <body> 59 <p style="color:#333333; background-color:#000000; font-size: 18px;">This is not contrasty enough.</p> 60 </body> 61 </html> 62 EOD; 63 64 /** @var string HTML that should get flagged. */ 65 private $htmlfail3 = <<<EOD 66 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 67 <html lang="en"> 68 <head> 69 <title>OAC Testfile - Check #6 - Positive</title> 70 </head> 71 <body> 72 <p style="color:#333333; background-color:#000000; font-size: 18%;">This is not contrasty enough.</p> 73 </body> 74 </html> 75 EOD; 76 77 /** @var string HTML that should get flagged. */ 78 private $htmlfail4 = <<<EOD 79 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 80 <html lang="en"> 81 <head> 82 <title>OAC Testfile - Check #6 - Positive</title> 83 </head> 84 <body> 85 <p style="color:#333333; background-color:#000000; font-size: 18em;">This is not contrasty enough.</p> 86 </body> 87 </html> 88 EOD; 89 90 /** @var string HTML that should get flagged. */ 91 private $htmlfail5 = <<<EOD 92 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 93 <html lang="en"> 94 <head> 95 <title>OAC Testfile - Check #6 - Positive</title> 96 </head> 97 <body> 98 <p style="color:#333333; background-color:#000000; font-size: 18ex;">This is not contrasty enough.</p> 99 </body> 100 </html> 101 EOD; 102 103 /** @var string HTML that should get flagged. */ 104 private $htmlfail6 = <<<EOD 105 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 106 <html lang="en"> 107 <head> 108 <title>OAC Testfile - Check #6 - Positive</title> 109 </head> 110 <body> 111 <p style="color:#333333; background-color:#000000;">This is not contrasty enough.</p> 112 </body> 113 </html> 114 EOD; 115 116 /** @var string HTML that should not get flagged. */ 117 private $htmlpass = <<<EOD 118 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 119 <html lang="en"> 120 <head> 121 <title>OAC Testfile - Check #6 - Positive</title> 122 </head> 123 <body> 124 <p style="color:#333333; background-color:#ffffff;">This is contrasty enough.</p> 125 </body> 126 </html> 127 EOD; 128 129 /** @var string HTML that should get flagged. */ 130 private $namecolours = <<<EOD 131 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 132 <html lang="en"> 133 <head> 134 <title>OAC Testfile - Check #6 - Positive</title> 135 </head> 136 <body> 137 <p style="color: red; background-color: blue;">This is not contrasty enough.</p> 138 </body> 139 </html> 140 EOD; 141 142 /** @var string HTML with invalid colour names. */ 143 private $invalidcolours = <<<EOD 144 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 145 <html lang="en"> 146 <head> 147 <title>OAC Testfile - Check #6 - Positive</title> 148 </head> 149 <body> 150 <p style="color: grog; background-color: numpi;">This is not contrasty enough.</p> 151 </body> 152 </html> 153 EOD; 154 155 /** @var string HTML with invalid colour numeric values. */ 156 private $invalidvalue = <<<EOD 157 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 158 <html lang="en"> 159 <head> 160 <title>OAC Testfile - Check #6 - Positive</title> 161 </head> 162 <body> 163 <p style="color: 10000500; background-color: -10234;">This is not contrasty enough.</p> 164 </body> 165 </html> 166 EOD; 167 168 /** @var string HTML with empty colour values. */ 169 private $emptyvalue = <<<EOD 170 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> 171 <html lang="en"> 172 <head> 173 <title>OAC Testfile - Check #6 - Positive</title> 174 </head> 175 <body> 176 <p style="color:; background-color:;">This is not contrasty enough.</p> 177 </body> 178 </html> 179 EOD; 180 181 /** 182 * Test for the area assign intro 183 */ 184 public function test_check() { 185 $results = $this->get_checker_results($this->htmlfail1); 186 $this->assertTrue($results[0]->element->tagName == 'p'); 187 188 $results = $this->get_checker_results($this->htmlfail2); 189 $this->assertTrue($results[0]->element->tagName == 'p'); 190 191 $results = $this->get_checker_results($this->htmlfail3); 192 $this->assertTrue($results[0]->element->tagName == 'p'); 193 194 $results = $this->get_checker_results($this->htmlfail4); 195 $this->assertTrue($results[0]->element->tagName == 'p'); 196 197 $results = $this->get_checker_results($this->htmlfail5); 198 $this->assertTrue($results[0]->element->tagName == 'p'); 199 200 $results = $this->get_checker_results($this->htmlfail6); 201 $this->assertTrue($results[0]->element->tagName == 'p'); 202 203 $results = $this->get_checker_results($this->htmlpass); 204 $this->assertEmpty($results); 205 } 206 207 /** 208 * Test with valid colour names. 209 */ 210 public function test_check_for_namedcolours() { 211 $results = $this->get_checker_results($this->namecolours); 212 $this->assertTrue($results[0]->element->tagName == 'p'); 213 } 214 215 /** 216 * Test with invalid colour names. 217 */ 218 public function test_check_for_invalidcolours() { 219 $results = $this->get_checker_results($this->invalidcolours); 220 $this->assertTrue($results[0]->element->tagName == 'p'); 221 } 222 223 /** 224 * Test with invalid colour numeric values. 225 */ 226 public function test_check_for_invalidvalues() { 227 $results = $this->get_checker_results($this->invalidvalue); 228 $this->assertTrue($results[0]->element->tagName == 'p'); 229 } 230 231 /** 232 * Test with empty colour values. 233 */ 234 public function test_check_for_emptyvalues() { 235 $results = $this->get_checker_results($this->emptyvalue); 236 $this->assertEmpty($results); 237 } 238 }
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