ci: write test for the boolean rule

Author: devhammed

tests/Rules/BooleanTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Rakit\Validation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Rakit\Validation\Rules\Boolean;
+
+class BooleanTest extends TestCase
+{
+    public function setUp()
+    {
+        $this->rule = new Boolean;
+    }
+
+    public function testValids()
+    {
+        $this->assertTrue($this->rule->check(\true));
+        $this->assertTrue($this->rule->check(\false));
+        $this->assertTrue($this->rule->check(1));
+        $this->assertTrue($this->rule->check(0));
+        $this->assertTrue($this->rule->check('1'));
+        $this->assertTrue($this->rule->check('0'));
+        $this->assertTrue($this->rule->check('y'));
+        $this->assertTrue($this->rule->check('n'));
+    }
+
+    public function testInvalids()
+    {
+        $this->assertFalse($this->rule->check(11));
+        $this->assertFalse($this->rule->check([]));
+        $this->assertFalse($this->rule->check('foo123'));
+        $this->assertFalse($this->rule->check('123foo'));
+        $this->assertFalse($this->rule->check([123]));
+        $this->assertFalse($this->rule->check('123.456'));
+        $this->assertFalse($this->rule->check('-123.456'));
+    }
+}