Allow the schema to be an associative array

Implements jsonrainbow#388.

src/JsonSchema/Constraints/BaseConstraint.php

@@ -89,4 +89,22 @@ public function reset()
     {
         $this->errors = array();
     }
+
+    /**
+     * Recursively cast an array to an object
+     *
+     * @param array $array
+     *
+     * @return object
+     */
+    public static function arrayToObjectRecursive($array)
+    {
+        foreach ($array as &$value) {
+            if (is_array($value)) {
+                $value = self::arrayToObjectRecursive($value);
+            }
+        }
+
+        return (object) $array;
+    }
 }

src/JsonSchema/Validator.php

@@ -36,6 +36,9 @@ class Validator extends BaseConstraint
      */
     public function validate(&$value, $schema = null, $checkMode = null)
     {
+        if (is_array($schema)) {
+            $schema = self::arrayToObjectRecursive($schema);
+        }
         $initialCheckMode = $this->factory->getConfig();
         if ($checkMode !== null) {
             $this->factory->setConfig($checkMode);

tests/ValidatorTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace JsonSchema\Tests;
+
+use JsonSchema\Constraints\Constraint;
+use JsonSchema\Validator;
+
+class ValidatorTest extends \PHPUnit_Framework_TestCase
+{
+    public function testValidateWithAssocSchema()
+    {
+        $schema = json_decode('{"type":"string"}', true);
+        $data = json_decode('42', true);
+
+        $validator = new Validator();
+        $validator->validate($data, $schema, Constraint::CHECK_MODE_NORMAL);
+
+        $this->assertFalse($validator->isValid(), 'Validation succeeded, but should have failed.');
+    }
+
+    public function testCheck()
+    {
+        $schema = json_decode('{"type":"string"}');
+        $data = json_decode('42');
+
+        $validator = new Validator();
+        $validator->check($data, $schema, Constraint::CHECK_MODE_NORMAL);
+
+        $this->assertFalse($validator->isValid(), 'Validation succeeded, but should have failed.');
+    }
+
+    public function testCoerce()
+    {
+        $schema = json_decode('{"type":"integer"}');
+        $data = json_decode('"42"');
+
+        $validator = new Validator();
+        $validator->coerce($data, $schema);
+
+        $this->assertTrue($validator->isValid(), 'Validation failed, but should have succeeded.');
+    }
+}