From e93290ad8b25723c6e100cf145551937fb482392 Mon Sep 17 00:00:00 2001
From: Ken Lalobo <lalobo@gmail.com>
Date: Tue, 2 Jan 2018 18:32:28 +0000
Subject: [PATCH] add boolean

---
 src/TypeValidator/BooleanValidator.php        | 39 +++++++++++++
 src/Validator.php                             | 12 ++--
 .../phpunit/src/Functional/ValidatorTest.php  |  2 +-
 .../TypeValidator/BooleanValidatorTest.php    | 56 +++++++++++++++++++
 4 files changed, 103 insertions(+), 6 deletions(-)
 create mode 100644 src/TypeValidator/BooleanValidator.php
 create mode 100644 tests/phpunit/src/Unit/TypeValidator/BooleanValidatorTest.php

diff --git a/src/TypeValidator/BooleanValidator.php b/src/TypeValidator/BooleanValidator.php
new file mode 100644
index 0000000..e8e67d0
--- /dev/null
+++ b/src/TypeValidator/BooleanValidator.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Boolean Validator
+ *
+ * Array Validator class
+ *
+ * @package      Mooti
+ * @subpackage   Validator
+ * @author       Ken Lalobo <ken@mooti.io>
+ */
+
+namespace Mooti\Validator\TypeValidator;
+
+use Mooti\Factory\Factory;
+use Mooti\Validator\Exception\DataValidationException;
+
+class BooleanValidator extends AbstractTypeValidator
+{
+    use Factory;
+    
+    /**
+     * Validate some data and throw an exception if the data invalid
+     *
+     * @param array $constraints The rules
+     * @param mixed $data        The data to validate
+     * @param mixed $prettyName  Human readable name for the data being validated
+     *
+     * @throws DataValidationException
+     */
+    public function validate(array $constraints, $data, $prettyName = 'This value')
+    {
+        if (!is_bool($data)) {
+            $message = $constraints['message'] ?? '%s must be boolean';
+            throw new DataValidationException(sprintf($message, $prettyName));
+        }
+
+        parent::validate($constraints, $data, $prettyName);
+    }
+}
diff --git a/src/Validator.php b/src/Validator.php
index 365f9ec..d7e8ffb 100644
--- a/src/Validator.php
+++ b/src/Validator.php
@@ -24,16 +24,18 @@ class Validator
 {
     use Factory;
 
-    const TYPE_STRING = 'string';
-    const TYPE_NUMBER = 'number';
-    const TYPE_OBJECT = 'object';
-    const TYPE_ARRAY  = 'array';
+    const TYPE_STRING  = 'string';
+    const TYPE_NUMBER  = 'number';
+    const TYPE_OBJECT  = 'object';
+    const TYPE_ARRAY   = 'array';
+    const TYPE_BOOLEAN = 'boolean';
 
     protected $allowedTypeValidators = [
         self::TYPE_STRING,
         self::TYPE_NUMBER,
         self::TYPE_OBJECT,
-        self::TYPE_ARRAY
+        self::TYPE_ARRAY,
+        self::TYPE_BOOLEAN
     ];
 
     protected $errors = [];
diff --git a/tests/phpunit/src/Functional/ValidatorTest.php b/tests/phpunit/src/Functional/ValidatorTest.php
index 6ac563b..085d495 100644
--- a/tests/phpunit/src/Functional/ValidatorTest.php
+++ b/tests/phpunit/src/Functional/ValidatorTest.php
@@ -117,7 +117,7 @@ public function validate($data, $valid, $errors)
 
     public function dataToValidate()
     {
-        return [            
+        return [
             [[], false, ['name' => ['Name is required'], 'title' => ['Title is required']]],
             [['title' => 1], false, ['name' => ['Name is required'], 'title' => ['Title must be a string']]],
             [['title' => null], false, ['name' => ['Name is required']]],
diff --git a/tests/phpunit/src/Unit/TypeValidator/BooleanValidatorTest.php b/tests/phpunit/src/Unit/TypeValidator/BooleanValidatorTest.php
new file mode 100644
index 0000000..79881a9
--- /dev/null
+++ b/tests/phpunit/src/Unit/TypeValidator/BooleanValidatorTest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Mooti\Test\PHPUnit\Validator\Unit\TypeValidator;
+
+use Mooti\Validator\Exception\DataValidationException;
+use Mooti\Validator\TypeValidator\BooleanValidator;
+
+class BooleanValidatorTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @test
+     * @expectedException \Mooti\Validator\Exception\DataValidationException
+     * @expectedExceptionMessage This value must be boolean
+     * @dataProvider badBooleans
+     */
+    public function validateDataThrowsDataValidationException($data)
+    {
+        $constraints = [];
+
+        $typeValidator = new BooleanValidator();
+
+        $typeValidator->validate($constraints, $data);
+    }
+
+    /**
+     * @test
+     * @dataProvider goodBooleans
+     */
+    public function validateDataSuceeds($data)
+    {
+        $constraints = [];
+
+        $typeValidator = new BooleanValidator();
+
+        $typeValidator->validate($constraints, $data);
+    }
+
+    public function badBooleans()
+    {
+        return [
+            ['foobar'],
+            [1],
+            [''],
+            [null]
+        ];
+    }
+
+    public function goodBooleans()
+    {
+        return [
+           [true],
+           [false]
+        ];
+    }
+}