Fix unit test so it doesn't depend on JSON order.

The test was failing because the strings didn't match exactly but they were still correct, it just happened that the order of the elements was different.

src/test/java/uk/ac/ox/oucs/sirlouie/PrimoServiceTest.java

@@ -8,6 +8,7 @@
 import junit.framework.Assert;
 import junit.framework.TestCase;
 
+import org.json.JSONArray;
 import org.json.JSONObject;
 import org.xml.sax.SAXException;
 
@@ -618,23 +619,28 @@ public void testOLISToJSON() {
 		}
 	}
 */
-	public void testORAoJSON() {
-		try {
-			String id = "ORAdebe641a-17ca-4196-ab2c-fe7565ced721";
-			ResponseBean responseBean = new ResponseBean(id);
-		    Collection<SearObject> beans = PrimoService.filterResponse(nameSpaceURI, ORA_XML);
-			responseBean.addSearObjects(beans);
-
-			JSONObject json = responseBean.toJSON("2009-06-09T15:39:52.831+02:00");
-			Assert.assertEquals(ORA_JSON.length(), json.toString().length());
-
-		} catch (Exception e) {
-			System.out.println("Exception caught ["+e.getLocalizedMessage()+"]");
-			e.printStackTrace();
-			Assert.fail("Exception caught ["+e.getLocalizedMessage()+"]");
-		}
+	public void testORAoJSON() throws Exception {
+		String id = "ORAdebe641a-17ca-4196-ab2c-fe7565ced721";
+		ResponseBean responseBean = new ResponseBean(id);
+		Collection<SearObject> beans = PrimoService.filterResponse(nameSpaceURI, ORA_XML);
+		responseBean.addSearObjects(beans);
+
+		JSONObject json = responseBean.toJSON("2009-06-09T15:39:52.831+02:00");
+		// Check the basics
+		assertEquals("0.5", json.getString("version"));
+		assertNotNull(json.get("institution"));
+		assertEquals("http://www.ox.ac.uk", json.getJSONObject("institution").getString("href"));
+		// Check the document
+		JSONArray document = json.getJSONArray("document");
+		assertNotNull(document);
+		JSONObject first = document.getJSONObject(0);
+		assertNotNull(first);
+		assertEquals("ORAdebe641a-17ca-4196-ab2c-fe7565ced721", first.getString("id"));
+		assertNotNull(first.get("item"));
+		assertEquals("http://ora.ouls.ox.ac.uk/objects/uuid:debe641a-17ca-4196-ab2c-fe7565ced721"
+				,first.getJSONArray("item").getJSONObject(0).getString("href"));
 	}
-	
+
 	public void testNewXmlResponse() throws SAXException, IOException {
 		// Test that the library name lookups are working.
 		Collection<SearObject> beans = PrimoService.filterResponse(nameSpaceURI, NEW_OLIS_XML);