DATASOLR-83 - Add support for Realtime GET.

Introduced some tests for SolrRealtimeGetRequest.

Author: franciscospaeth

src/main/java/org/springframework/data/solr/SolrRealtimeGetRequest.java

@@ -48,7 +48,9 @@ public SolrRealtimeGetRequest(Serializable... ids) {
 	public SolrRealtimeGetRequest(Collection<? extends Serializable> ids) {
 		super(METHOD.GET, "/get");
 
-		Assert.notEmpty(ids, "At least one 'id' id required for real time get request.");
+		Assert.notEmpty(ids, "At least one 'id' is required for real time get request.");
+		Assert.noNullElements(ids.toArray(), "Real time get request can't be made for 'null' id.");
+
 		toStringIds(ids);
 	}
 

src/test/java/org/springframework/data/solr/SolrRealtimeGetRequestUnitTests.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed 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.springframework.data.solr;
+
+import static org.mockito.Mockito.*;
+
+import java.io.IOException;
+
+import org.apache.solr.client.solrj.SolrServer;
+import org.apache.solr.client.solrj.SolrServerException;
+import org.apache.solr.client.solrj.response.QueryResponse;
+import org.apache.solr.common.util.NamedList;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+
+/**
+ * @author Francisco Spaeth
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class SolrRealtimeGetRequestUnitTests {
+
+	private @Mock SolrServer solrServerMock;
+
+	@Test(expected = IllegalArgumentException.class)
+	public void shouldThrowExeptionWhenNoIdsGiven() {
+		new SolrRealtimeGetRequest();
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void shouldThrowExeptionWhenIdsContainsNullValue() {
+		new SolrRealtimeGetRequest(1, 2, null);
+	}
+
+	/**
+	 * @see DATASOLR-83
+	 */
+	@Test
+	public void testCreationOfRealtimeGet() throws SolrServerException, IOException {
+
+		// given
+		NamedList<Object> value = new NamedList<Object>();
+		SolrRealtimeGetRequest request = new SolrRealtimeGetRequest(1L, 2F, 3, "4");
+		when(solrServerMock.request(request)).thenReturn(value);
+
+		// when
+		QueryResponse result = request.process(solrServerMock);
+
+		// then
+		Assert.assertEquals(value, result.getResponse());
+		Assert.assertArrayEquals(new String[] { "1", "2.0", "3", "4" }, request.getParams().getParams("ids"));
+		verify(solrServerMock).request(request);
+	}
+
+}