diff --git a/classes/PostFixtures.inc b/classes/PostFixtures.inc
index b3d9bbc..4f980d5 100644
--- a/classes/PostFixtures.inc
+++ b/classes/PostFixtures.inc
@@ -1 +1,12 @@
 <?php
+
+class PostFixtures {
+	function parse_json($input) {
+		if (($data = json_decode($input)) !== false) {
+			if (is_array($data) || is_object($data)) {
+				return (array)$data;
+			}
+		}
+		return false;
+	}
+}
diff --git a/test/PostFixturesTest.php b/test/PostFixturesTest.php
index b3d9bbc..b03f1c3 100644
--- a/test/PostFixturesTest.php
+++ b/test/PostFixturesTest.php
@@ -1 +1,30 @@
 <?php
+
+require_once('PHPUnit/Framework.php');
+require_once('MockPress/mockpress.php');
+require_once(dirname(__FILE__) . '/../classes/PostFixtures.inc');
+
+class PostFixturesTest extends PHPUnit_Framework_TestCase {
+	function setUp() {
+		_reset_wp();
+
+		$this->pf = new PostFixtures();
+	}
+
+	function providerTestParseJSON() {
+		return array(
+			array(false, false),
+			array('', false),
+			array('{]', false),
+			array('{}', array()),
+			array('[]', array())
+		);
+	}
+
+	/**
+	 * @dataProvider providerTestParseJSON
+	 */
+	function testParseJSON($input, $expected_output) {
+		$this->assertEquals($expected_output, $this->pf->parse_json($input));
+	}
+}