Fix UriRetriever test

src/JsonSchema/Constraints/Undefined.php

@@ -9,6 +9,7 @@
 
 namespace JsonSchema\Constraints;
 
+use JsonSchema\Exception\InvalidArgumentException;
 use JsonSchema\Uri\UriResolver;
 
 /**
@@ -24,10 +25,14 @@ class Undefined extends Constraint
      */
     public function check($value, $schema = null, $path = null, $i = null)
     {
-        if (!is_object($schema)) {
+        if (is_null($schema)) {
             return;
         }
 
+        if (!is_object($schema)) {
+            throw new InvalidArgumentException('Given schema must be an object.');
+        }
+
         $i = is_null($i) ? "" : $i;
         $path = $this->incrementPath($path, $i);
 

tests/JsonSchema/Tests/Uri/UriRetrieverTest.php

@@ -9,6 +9,7 @@
 
 namespace JsonSchema\Tests\Uri;
 
+use JsonSchema\Exception\JsonDecodingException;
 use JsonSchema\Validator;
 
 class UriRetrieverTest extends \PHPUnit_Framework_TestCase
@@ -19,37 +20,76 @@ protected function setUp()
     {
         $this->validator = new Validator();
     }
-    
+
     private function getRetrieverMock($returnSchema, $returnMediaType = Validator::SCHEMA_MEDIA_TYPE)
     {
+
+        $jsonSchema = json_decode($returnSchema);
+
+        if (JSON_ERROR_NONE < $error = json_last_error()) {
+            throw new JsonDecodingException($error);
+        }
+
         $retriever = $this->getMock('JsonSchema\Uri\UriRetriever', array('retrieve'));
-        
+
         $retriever->expects($this->at(0))
                   ->method('retrieve')
                   ->with($this->equalTo(null), $this->equalTo('http://some.host.at/somewhere/parent'))
-                  ->will($this->returnValue($returnSchema));
-        
+                  ->will($this->returnValue($jsonSchema));
+
         return $retriever;
     }
-    
+
     /**
-     * @dataProvider jsonProvider 
+     * @dataProvider jsonProvider
      */
-    public function testChildExtendsParent($childSchema, $parentSchema)
+    public function testChildExtendsParentValidTest($childSchema, $parentSchema)
     {
         $retrieverMock = $this->getRetrieverMock($parentSchema);
-        
+
         $json = '{"childProp":"infant", "parentProp":false}';
         $decodedJson = json_decode($json);
         $decodedJsonSchema = json_decode($childSchema);
-        
+
         $this->validator->setUriRetriever($retrieverMock);
         $this->validator->check($decodedJson, $decodedJsonSchema);
         $this->assertTrue($this->validator->isValid());
     }
-
+
+    /**
+     * @dataProvider jsonProvider
+     */
+    public function testChildExtendsParentInvalidChildTest($childSchema, $parentSchema)
+    {
+        $retrieverMock = $this->getRetrieverMock($parentSchema);
+
+        $json = '{"childProp":1, "parentProp":false}';
+        $decodedJson = json_decode($json);
+        $decodedJsonSchema = json_decode($childSchema);
+
+        $this->validator->setUriRetriever($retrieverMock);
+        $this->validator->check($decodedJson, $decodedJsonSchema);
+        $this->assertFalse($this->validator->isValid());
+    }
+
     /**
-     * @dataProvider jsonProvider 
+     * @dataProvider jsonProvider
+     */
+    public function testChildExtendsParentInvalidParentTest($childSchema, $parentSchema)
+    {
+        $retrieverMock = $this->getRetrieverMock($parentSchema);
+
+        $json = '{"childProp":"infant", "parentProp":1}';
+        $decodedJson = json_decode($json);
+        $decodedJsonSchema = json_decode($childSchema);
+
+        $this->validator->setUriRetriever($retrieverMock);
+        $this->validator->check($decodedJson, $decodedJsonSchema);
+        $this->assertFalse($this->validator->isValid());
+    }
+
+    /**
+     * @dataProvider jsonProvider
      */
     public function testResolveRelativeUri($childSchema, $parentSchema)
     {
@@ -58,24 +98,24 @@ public function testResolveRelativeUri($childSchema, $parentSchema)
         $json = '{"childProp":"infant", "parentProp":false}';
         $decodedJson = json_decode($json);
         $decodedJsonSchema = json_decode($childSchema);
-        
+
         $this->validator->setUriRetriever($retrieverMock);
         $this->validator->check($decodedJson, $decodedJsonSchema);
         $this->assertTrue($this->validator->isValid());
     }
-    
+
     private static function setParentSchemaExtendsValue(&$parentSchema, $value)
     {
         $parentSchemaDecoded = json_decode($parentSchema, true);
         $parentSchemaDecoded['extends'] = $value;
         $parentSchema = json_encode($parentSchemaDecoded);
     }
-    
+
     public function jsonProvider()
     {
         $childSchema = <<<EOF
 {
-    "type":"object",    
+    "type":"object",
     "title":"child",
     "extends":"http://some.host.at/somewhere/parent",
     "properties":
@@ -89,7 +129,7 @@ public function jsonProvider()
 EOF;
         $parentSchema = <<<EOF
 {
-    "type":"object",    
+    "type":"object",
     "title":"parent",
     "properties":
     {