tests/src/Util/StringsTest.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Test\src\Util;
  23
  24 use Friendica\Util\Strings;
  25 use PHPUnit\Framework\TestCase;
  26
  27 /**
  28  * Strings utility test class
  29  */
  30 class StringsTest extends TestCase
  31 {
  32         /**
  33          * randomnames should be random, even length
  34          */
  35         public function testRandomEven()
  36         {
  37                 $randomname1 = Strings::getRandomName(10);
  38                 $randomname2 = Strings::getRandomName(10);
  39
  40                 $this->assertNotEquals($randomname1, $randomname2);
  41         }
  42
  43         /**
  44          * randomnames should be random, odd length
  45          */
  46         public function testRandomOdd()
  47         {
  48                 $randomname1 = Strings::getRandomName(9);
  49                 $randomname2 = Strings::getRandomName(9);
  50
  51                 $this->assertNotEquals($randomname1, $randomname2);
  52         }
  53
  54         /**
  55          * try to fail ramdonnames
  56          */
  57         public function testRandomNameNoLength()
  58         {
  59                 $randomname1 = Strings::getRandomName(0);
  60                 $this->assertEquals(0, strlen($randomname1));
  61         }
  62
  63         /**
  64          * try to fail it with invalid input
  65          *
  66          * @todo What's corect behaviour here? An exception?
  67          */
  68         public function testRandomNameNegativeLength()
  69         {
  70                 $randomname1 = Strings::getRandomName(-23);
  71                 $this->assertEquals(0, strlen($randomname1));
  72         }
  73
  74         /**
  75          * test with a length, that may be too short
  76          */
  77         public function testRandomNameLength1()
  78         {
  79                 $randomname1 = Strings::getRandomName(1);
  80                 $this->assertEquals(1, strlen($randomname1));
  81
  82                 $randomname2 = Strings::getRandomName(1);
  83                 $this->assertEquals(1, strlen($randomname2));
  84         }
  85
  86         /**
  87          * test, that tags are escaped
  88          */
  89         public function testEscapeHtml()
  90         {
  91                 $invalidstring='<submit type="button" onclick="alert(\'failed!\');" />';
  92
  93                 $validstring = Strings::escapeTags($invalidstring);
  94                 $escapedString = Strings::escapeHtml($invalidstring);
  95
  96                 $this->assertEquals('[submit type="button" onclick="alert(\'failed!\');" /]', $validstring);
  97                 $this->assertEquals(
  98                         "&lt;submit type=&quot;button&quot; onclick=&quot;alert('failed!');&quot; /&gt;",
  99                         $escapedString
 100                 );
 101         }
 102
 103         public function dataIsHex()
 104         {
 105                 return [
 106                         'validHex' => [
 107                                 'input' => '90913473615bf00c122ac78338492980',
 108                                 'valid' => true,
 109                         ],
 110                         'invalidHex' => [
 111                                 'input' => '90913473615bf00c122ac7833849293',
 112                                 'valid' => false,
 113                         ],
 114                         'emptyHex' => [
 115                                 'input' => '',
 116                                 'valid' => false,
 117                         ],
 118                         'nullHex' => [
 119                                 'input' => null,
 120                                 'valid' => false,
 121                         ],
 122                 ];
 123         }
 124
 125         /**
 126          * Tests if the string is a valid hexadecimal value
 127          *
 128          * @param string $input
 129          * @param bool $valid
 130          *
 131          * @dataProvider dataIsHex
 132          */
 133         public function testIsHex($input, $valid)
 134         {
 135                 $this->assertEquals($valid, Strings::isHex($input));
 136         }
 137 }