library/src/test/java/com/datatorrent/lib/logs/LineTokenizerKeyValTest.java

/*
 * Copyright (c) 2013 DataTorrent, Inc. ALL Rights Reserved.
 *
 * 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 com.datatorrent.lib.logs;

import java.util.HashMap;
import java.util.Map;

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

import com.datatorrent.lib.testbench.HashTestSink;

/**
 * 
 * Functional tests for {@link com.datatorrent.lib.logs.LineTokenizerKeyVal}.
 */
public class LineTokenizerKeyValTest
{
	/**
	 * Test oper logic emits correct results
	 */
	@SuppressWarnings({ "unchecked", "rawtypes" })
	@Test
	public void testNodeProcessing()
	{

		LineTokenizerKeyVal oper = new LineTokenizerKeyVal();
		HashTestSink tokenSink = new HashTestSink();

		oper.setSplitBy(",");
		oper.setSplitTokenBy("=");
		oper.tokens.setSink(tokenSink);

		oper.beginWindow(0); //

		String input1 = "a=2,b=3,c=4";
		String input2 = "d=2";
		String input3 = "";
		int numTuples = 1000;
		for (int i = 0; i < numTuples; i++) {
			oper.data.process(input1);
			oper.data.process(input2);
			oper.data.process(input3);
		}
		oper.endWindow(); //
		Assert.assertEquals("number emitted tuples", 2, tokenSink.map.size());
		HashMap<Object, Object> smap = tokenSink.map;
		for (Map.Entry<Object, Object> e : smap.entrySet()) {
			HashMap<String, String> kmap = (HashMap<String, String>) e.getKey();
			for (Map.Entry<String, String> o : kmap.entrySet()) {
				String key = o.getKey();
				String val = o.getValue();
				if (key.equals("a")) {
					Assert.assertEquals("value of \"a\"", "2", val);
				} else if (key.equals("b")) {
					Assert.assertEquals("value of \"b\"", "3", val);
				} else if (key.equals("c")) {
					Assert.assertEquals("value of \"c\"", "4", val);
				} else if (key.equals("d")) {
					Assert.assertEquals("value of \"d\"", "2", val);
				}
			}
		}
	}
}