Merge pull request #22 from GrandLTU/FuzzyLikeThis-field

Change FuzzyLikeThisTestQuery to accept single field as string.

src/Query/FuzzyLikeThisQuery.php

@@ -32,12 +32,16 @@ class FuzzyLikeThisQuery implements BuilderInterface
     private $likeText;
 
     /**
-     * @param string[] $fields
-     * @param string   $likeText
-     * @param array    $parameters
+     * @param string|string[] $fields
+     * @param string          $likeText
+     * @param array           $parameters
      */
-    public function __construct(array $fields, $likeText, array $parameters = [])
+    public function __construct($fields, $likeText, array $parameters = [])
     {
+        if (!is_array($fields)) {
+            $fields = [$fields];
+        }
+
         $this->fields = $fields;
         $this->likeText = $likeText;
         $this->setParameters($parameters);

tests/Query/FuzzyLikeThisQueryTest.php

@@ -52,4 +52,25 @@ class FuzzyLikeThisQueryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals('fuzzy_like_this', $fuzzyLikeThisQuery->getType());
     }
+
+    /**
+     * Tests if query accepts single field as string.
+     */
+    public function testSingleField()
+    {
+        $fuzzyLikeThisQuery = new FuzzyLikeThisQuery(
+            'name.first',
+            'text like this one',
+            [ 'max_query_terms' => 12 ]
+        );
+
+        $this->assertSame(
+            [
+                'fields' => ['name.first'],
+                'like_text' => 'text like this one',
+                'max_query_terms' => 12,
+            ],
+            $fuzzyLikeThisQuery->toArray()
+        );
+    }
 }