Create unit tests for "AlwaysValid" rule

tests/unit/Rules/AlwaysValidTest.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Rules;
+
+/**
+ * @group  rule
+ * @covers Respect\Validation\Rules\AlwaysValid
+ */
+class AlwaysValidTest extends \PHPUnit_Framework_TestCase
+{
+    public function providerForValidAlwaysValid()
+    {
+        return array(
+            array(0),
+            array(1),
+            array('string'),
+            array(true),
+            array(false),
+            array(null),
+            array(''),
+            array(array()),
+            array(array('array_full')),
+        );
+    }
+
+    /**
+     * @dataProvider providerForValidAlwaysValid
+     */
+    public function testShouldValidateInputWhenItIsAValidAlwaysValid($input)
+    {
+        $rule = new AlwaysValid();
+
+        $this->assertTrue($rule->validate($input));
+    }
+}