/**
 * 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 com.datatorrent.lib.math;

import org.junit.Assert;
import org.junit.Test;

import com.datatorrent.lib.testbench.CollectorTestSink;
import com.datatorrent.lib.testbench.CountOccurance;

/**
 */
public class CountOccuranceTest
{
  @SuppressWarnings({"rawtypes", "unchecked"})
  @Test
  public void testProcess()
  {
    CountOccurance oper = new CountOccurance();
    oper.setup(null);
    CollectorTestSink sink = new CollectorTestSink();
    oper.outport.setSink(sink);

    oper.beginWindow(1);
    oper.inport.process("a");
    oper.inport.process("b");
    oper.endWindow();

    Assert.assertEquals("number emitted tuples", 1, sink.collectedTuples.size());
  }
}