Github user bhupeshchawda commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/301#discussion_r67852225
--- Diff:
sketches/src/test/java/org/apache/apex/malhar/sketches/QuantilesEstimatorTest.java
---
@@ -0,0 +1,204 @@
+/**
+ * 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.apex.malhar.sketches;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+import javax.validation.ConstraintViolationException;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.conf.Configuration;
+
+import com.datatorrent.api.DAG;
+import com.datatorrent.api.DefaultInputPort;
+import com.datatorrent.api.DefaultOutputPort;
+import com.datatorrent.api.InputOperator;
+import com.datatorrent.api.LocalMode;
+import com.datatorrent.api.StreamingApplication;
+import com.datatorrent.common.util.BaseOperator;
+import com.datatorrent.lib.io.ConsoleOutputOperator;
+import com.datatorrent.lib.testbench.CollectorTestSink;
+import com.datatorrent.lib.util.TestUtils;
+
+public class QuantilesEstimatorTest
+{
+ private static Logger LOG =
LoggerFactory.getLogger(QuantilesEstimatorTest.class);
+
+ public static class NumberSource extends BaseOperator implements
InputOperator
+ {
+ public final DefaultOutputPort<Double> output = new
DefaultOutputPort<>();
+
+ private Random rand = new Random(1234L);
+
+ public NumberSource() {}
+
+ @Override
+ public void emitTuples()
+ {
+ output.emit(rand.nextGaussian());
+ }
+ }
+
+ public static class PmfSink extends BaseOperator
+ {
+ public final DefaultInputPort<double[]> input = new
DefaultInputPort<double[]>()
+ {
+ @Override
+ public void process(double[] tuple) {}
+ };
+
+ public PmfSink() {}
+ }
+
+ public static class QuantileSink extends BaseOperator
+ {
+ public final DefaultInputPort<double[]> input = new
DefaultInputPort<double[]>()
+ {
+ @Override
+ public void process(double[] tuple) {}
+ };
+
+ public QuantileSink() {}
+ }
+
+ public static class CdfSink extends BaseOperator
--- End diff --
Not used
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