Regex Class for DataType and its tests are added

src/DataType/Regex.php

@@ -0,0 +1,42 @@
+<?php
+declare(strict_types=1);
+
+namespace Selami\Entity\DataType;
+
+use Selami\Entity\Interfaces\DataTypeInterface;
+use InvalidArgumentException;
+
+class Regex implements DataTypeInterface
+{
+    use DataTypeRegexTrait;
+
+    const DATA_FORMAT_ERROR   = 'Assertion failed for value "%s" for "%s" : INVALID_FORMAT';
+
+    protected $regex;
+    protected $sanitizeFlags;
+    protected static $defaults = [
+        'default'       => null,
+        'regex'         => null,
+        'sanitize_flag' => null
+    ];
+
+    /**
+     * Regex constructor.
+     * @param string $key
+     * @param mixed $datum
+     * @param array $options
+     * @throws InvalidArgumentException
+     */
+    public function __construct(string $key, $datum, array $options = [])
+    {
+        if (!isset($options['regex']) || empty($options['regex'])) {
+            throw new InvalidArgumentException('$options[regex] can\'t be empty and must be a valid regex');
+        }
+        $this->key = $key;
+        $this->datum = $datum;
+        $this->regex = $options['regex'];
+        $this->sanitizeFlags = $options['sanitize_flag'] ?? null;
+        $this->checkValidOptions($options);
+        $this->options = array_merge(self::$defaults, $options);
+    }
+}

tests/DataType/RegexTest.php

@@ -0,0 +1,54 @@
+<?php
+declare(strict_types=1);
+
+namespace tests;
+
+use Selami\Test\Abstracts\DataType;
+use InvalidArgumentException;
+
+class MyRegexClass extends DataType
+{
+
+    public function setUp()
+    {
+        $this->className    = '\\Selami\\Entity\\DataType\\Regex';
+        $this->validValue   = 'valid_regex_text';
+        $this->key          = 'field';
+        $this->options      = ['regex' => '#^v#'];
+    }
+
+    /**
+     * @test
+     * @expectedException InvalidArgumentException
+     */
+    public function shouldThrowExceptionForEmptyRegexOption()
+    {
+        new $this->className($this->key, $this->validValue, []);
+    }
+
+    public function trueProvider()
+    {
+        return [
+            [
+                'https://www.youtube.com/watch?v=1VVj1zqbWpU',
+                ['regex' => '#(?<=v=)[a-zA-Z0-9-]+(?=&)|(?<=v\/)[^&\n]+|(?<=v=)[^&\n]+|(?<=youtu.be/)[^&\n]+#']
+            ]
+        ];
+    }
+
+    public function exceptionProvider()
+    {
+        return [
+            ['not_found_text', ['regex' => '#^t#']],
+            ['not_found_text', ['regex' => '#^#t#']]
+        ];
+    }
+
+    public function defaultsProvider()
+    {
+        return [
+            ['-slug', '-slug', ['regex' => '#^\-#']],
+            ['slug/slug:', 'NaN', ['default' => 'NaN', 'regex' => '#^t#']]
+        ];
+    }
+}