/**
* 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.flume.interceptor;
import com.google.common.base.Charsets;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.event.EventBuilder;
import org.apache.flume.interceptor.TimestampInterceptor.Constants;
import org.junit.Assert;
import org.junit.Test;
public class TestTimestampInterceptor {
/**
* Ensure that the "timestamp" header gets set (to something)
*/
@Test
public void testBasic() throws ClassNotFoundException, InstantiationException,
IllegalAccessException {
InterceptorBuilderFactory factory = new InterceptorBuilderFactory();
Interceptor.Builder builder = InterceptorBuilderFactory.newInstance(
InterceptorType.TIMESTAMP.toString());
Interceptor interceptor = builder.build();
Event event = EventBuilder.withBody("test event", Charsets.UTF_8);
Assert.assertNull(event.getHeaders().get(Constants.TIMESTAMP));
Long now = System.currentTimeMillis();
event = interceptor.intercept(event);
String timestampStr = event.getHeaders().get(Constants.TIMESTAMP);
Assert.assertNotNull(timestampStr);
Assert.assertTrue(Long.parseLong(timestampStr) >= now);
}
/**
* Ensure timestamp is NOT overwritten when preserveExistingTimestamp == true
*/
@Test
public void testPreserve() throws ClassNotFoundException,
InstantiationException, IllegalAccessException {
Context ctx = new Context();
ctx.put("preserveExisting", "true");
InterceptorBuilderFactory factory = new InterceptorBuilderFactory();
Interceptor.Builder builder = InterceptorBuilderFactory.newInstance(
InterceptorType.TIMESTAMP.toString());
builder.configure(ctx);
Interceptor interceptor = builder.build();
long originalTs = 1L;
Event event = EventBuilder.withBody("test event", Charsets.UTF_8);
event.getHeaders().put(Constants.TIMESTAMP, Long.toString(originalTs));
Assert.assertEquals(Long.toString(originalTs),
event.getHeaders().get(Constants.TIMESTAMP));
Long now = System.currentTimeMillis();
event = interceptor.intercept(event);
String timestampStr = event.getHeaders().get(Constants.TIMESTAMP);
Assert.assertNotNull(timestampStr);
Assert.assertTrue(Long.parseLong(timestampStr) == originalTs);
}
/**
* Ensure timestamp IS overwritten when preserveExistingTimestamp == false
*/
@Test
public void testClobber() throws ClassNotFoundException,
InstantiationException, IllegalAccessException {
Context ctx = new Context();
ctx.put("preserveExisting", "false"); // DEFAULT BEHAVIOR
InterceptorBuilderFactory factory = new InterceptorBuilderFactory();
Interceptor.Builder builder = InterceptorBuilderFactory.newInstance(
InterceptorType.TIMESTAMP.toString());
builder.configure(ctx);
Interceptor interceptor = builder.build();
long originalTs = 1L;
Event event = EventBuilder.withBody("test event", Charsets.UTF_8);
event.getHeaders().put(Constants.TIMESTAMP, Long.toString(originalTs));
Assert.assertEquals(Long.toString(originalTs),
event.getHeaders().get(Constants.TIMESTAMP));
Long now = System.currentTimeMillis();
event = interceptor.intercept(event);
String timestampStr = event.getHeaders().get(Constants.TIMESTAMP);
Assert.assertNotNull(timestampStr);
Assert.assertTrue(Long.parseLong(timestampStr) >= now);
}
}