fixed issue where a ViewModel would not be automatically created from…

… an empty array

src/IsAssocArray.php

@@ -15,12 +15,17 @@ abstract class IsAssocArray
      * We have an associative array if at least one key is a string.
      * 
      * @param  mixed $value 
+     * @param  bool  $allowEmpty
      * @return bool
      */
-    public static function test($value)
+    public static function test($value, $allowEmpty = false)
     {
-        return (is_array($value)
-                && count(array_filter(array_keys($value), 'is_string')) > 0
-        );
+        if (is_array($value)) {
+            if ($allowEmpty && count($value) == 0) {
+                return true;
+            }
+            return count(array_filter(array_keys($value), 'is_string')) > 0;
+        }
+        return false;
     }
 }

test/IsAssocArrayTest.php

@@ -22,6 +22,13 @@ public static function validAssocArrays()
         );
     }
 
+    public static function validAssocEmptyArrays()
+    {
+        $array = self::validAssocArrays();
+        $array[] = array(array());
+        return $array;
+    }
+
     public static function invalidAssocArrays()
     {
         return array(
@@ -46,11 +53,27 @@ public function testValidAssocArraysReturnTrue($test)
         $this->assertTrue(IsAssocArray::test($test));
     }
 
+    /**
+     * @dataProvider validAssocEmptyArrays
+     */
+    public function testValidAssocEmptyArraysReturnTrue($test)
+    {
+        $this->assertTrue(isAssocArray::test($test, true));
+    }
+
     /**
      * @dataProvider invalidAssocArrays
      */
     public function testInvalidAssocArraysReturnFalse($test)
     {
         $this->assertFalse(IsAssocArray::test($test));
     }
+
+    /**
+     * @dataProvider invalidAssocArrays
+     */
+    public function testInvalidAssocEmptyArraysReturnFalse($test)
+    {
+        $this->assertFalse(IsAssocArray::test($test, true));
+    }
 }