nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestUpdateCounter.java

/*
 * 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.nifi.processors.standard;

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

import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class TestUpdateCounter {


    @Test
    public void testwithFileName() throws Exception {
        final TestRunner firstrunner = TestRunners.newTestRunner(new UpdateCounter());
        firstrunner.setProperty(UpdateCounter.COUNTER_NAME,"firewall");
        firstrunner.setProperty(UpdateCounter.DELTA,"1");
        Map<String,String> attributes = new HashMap<String,String>();
        firstrunner.enqueue("",attributes);
        firstrunner.run();
        firstrunner.assertAllFlowFilesTransferred(UpdateCounter.SUCCESS, 1);
    }

    @Test
    public void testExpressionLanguage() throws Exception {

        final TestRunner firstrunner = TestRunners.newTestRunner(new UpdateCounter());
        firstrunner.setProperty(UpdateCounter.COUNTER_NAME,"${filename}");
        firstrunner.setProperty(UpdateCounter.DELTA,"${num}");

        final Map<String, String> attributes = new HashMap<>();
        attributes.put("filename", "test");
        attributes.put("num", "40");

        firstrunner.enqueue(new byte[0],attributes);
        firstrunner.run();
        Long counter = firstrunner.getCounterValue("test");
        assertEquals(java.util.Optional.ofNullable(counter), java.util.Optional.ofNullable(40L));
        firstrunner.assertAllFlowFilesTransferred(UpdateCounter.SUCCESS, 1);
    }

}