[ING] Add test case for RSS feed

- user model changes: no
- storage format changes: no
- interface changes: no

details:
- Added a simple test case for RSSRecordReader which fetches records
  from dummy website.

Change-Id: I146a54ab069deda56f5ee611d761ec645d2497e6
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1890
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
BAD: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/input/record/reader/RSSRecordReaderTest.java b/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/input/record/reader/RSSRecordReaderTest.java
new file mode 100644
index 0000000..ca94a3f
--- /dev/null
+++ b/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/input/record/reader/RSSRecordReaderTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.external.input.record.reader;
+
+import org.apache.asterix.external.input.record.reader.rss.RSSRecordReader;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+
+public class RSSRecordReaderTest {
+    @Test
+    public void fetchFromDummyWebsite() throws MalformedURLException {
+        String dummyRssFeedURL = "http://foobar";
+        RSSRecordReader rssRecordReader = new RSSRecordReader(dummyRssFeedURL);
+        Exception expectedException = null;
+        try {
+            rssRecordReader.next();
+        } catch (IOException e) {
+            expectedException = e;
+        }
+        Assert.assertNotNull(expectedException);
+        Assert.assertTrue(expectedException.getMessage().contains("UnknownHostException"));
+    }
+}