Merge pull request #4 from LearningLocker/issue/voids

Fixes void validation.

Author: ryasmi

src/StatementBase.php

@@ -1,4 +1,5 @@
 <?php namespace Locker\XApi;
+use Locker\XApi\Errors\Error as Error;
 
 class StatementBase extends Element {
   protected $props = [
@@ -11,4 +12,20 @@ class StatementBase extends Element {
     'attachments' => 'Locker\XApi\Attachments'
   ];
   protected $required_props = ['actor', 'verb', 'object'];
+
+  public function validate() {
+    $errors = [];
+    $verb_id = $this->getPropValue('verb.id');
+    $object_type = $this->getPropValue('object.objectType');
+
+    // Validates voider.
+    if (
+      $verb_id === 'http://adlnet.gov/expapi/verbs/voided' &&
+      $object_type !== 'StatementRef'
+    ) {
+      $errors[] = new Error("`object.objectType` must be `StatementRef` not `$object_type` when voiding");
+    }
+
+    return array_merge($errors, parent::validate());
+  }
 }

tests/assets/test.json

@@ -1,42 +1,11 @@
 {
-  "id": "710cc790-9d8d-11e4-bd06-0800200c9a66",
-  "actor": {
-    "objectType": "Agent",
-    "mbox": "mailto:[email protected]",
-    "name": "quanvm"
+  "actor":{
+    "mbox":"mailto:[email protected]"
   },
-  "verb": {
-    "id": "http://adlnet.gov/expapi/verbs/experienced",
-    "display": {"en-us": "experienced"}
+  "verb":{
+    "id":"http://adlnet.gov/expapi/verbs/voided"
   },
-  "context": {
-    "contextActivities": {
-      "parent": {
-        "id": "http://tincanapi.com/GolfExample_TCAPI",
-        "objectType": "Activity"
-      },
-      "grouping": [{
-        "id": "http://tincanapi.com/GolfExample_TCAPI",
-        "objectType": "Activity"
-      }]
-    }
-  },
-  "object": {
-    "id": "http://tincanapi.com/GolfExample_TCAPI/Playing/Scoring.html",
-    "objectType": "Activity",
-    "definition": {
-      "name": {
-        "en-US": "Scoring"
-      },
-      "description": {
-        "en-US": "An overview of how to score a round of golf."
-      },
-      "type": "http:///activitystrea.ms/schema/1.0/badge"
-    }
-  },
-  "authority": {
-    "name": "",
-    "mbox": "mailto:[email protected]",
-    "objectType": "Agent"
+  "object":{
+    "id":"http://kiem.curatr3.com/courses/mentoropleiding"
   }
 }

tests/test.php

@@ -3,7 +3,7 @@
 
 use Locker\XApi as XApi;
 
-
+header('Content-Type: application/json');
 try {
   // Code.
   $file_location = 'assets/test.json';