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lucene/monitor/src/test/org/apache/lucene/monitor/TestSlowLog.java

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+/*
+ * 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.lucene.monitor;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import org.apache.lucene.tests.util.LuceneTestCase;
+
+public class TestSlowLog extends LuceneTestCase {
+
+    public void testAddQuery() {
+        SlowLog slowLog = new SlowLog();
+        long time1 = 1;
+        long time2 = 2;
+        long time3 = 3;
+        slowLog.addQuery("query1", time1);
+        slowLog.addQuery("query2", time2);
+        slowLog.addQuery("query3", time3);
+
+        Iterator<SlowLog.Entry> iterator = slowLog.iterator();
+        long curQuery = 1;
+        while (iterator.hasNext()) {
+            SlowLog.Entry entry = iterator.next();
+            assertEquals(entry.queryId, "query" + curQuery);
+            assertEquals(entry.time, curQuery);
+            curQuery += 1;
+        }
+    }
+
+
+    public void testAddAllQueries() {
+        SlowLog slowLog = new SlowLog();
+        long time1 = 1;
+        long time2 = 2;
+        long time3 = 3;
+        List<SlowLog.Entry> queries = new ArrayList<>();
+        queries.add(new SlowLog.Entry("query1", time1));
+        queries.add(new SlowLog.Entry("query2", time2));
+        queries.add(new SlowLog.Entry("query3", time3));
+        slowLog.addAll(queries);
+
+        Iterator<SlowLog.Entry> iterator = slowLog.iterator();
+        long curQuery = 1;
+        while (iterator.hasNext()) {
+            SlowLog.Entry entry = iterator.next();
+            assertEquals(entry.queryId, "query" + curQuery);
+            assertEquals(entry.time, curQuery);
+            curQuery += 1;
+        }
+    }
+
+    public void testToString() {
+        SlowLog slowLog = new SlowLog();
+        long time1 = 1;
+        long time2 = 2;
+        long time3 = 3;
+        slowLog.addQuery("query1", time1);
+        slowLog.addQuery("query2", time2);
+        slowLog.addQuery("query3", time3);
+
+        assertEquals(slowLog.toString(), "query1 [1ns]\nquery2 [2ns]\nquery3 [3ns]\n");
+    }
+}