/*
* Copyright 2010 Proofpoint, Inc.
*
* 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.proofpoint.event.client;
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.proofpoint.event.client.EventClient.EventGenerator;
import com.proofpoint.event.client.NestedDummyEventClass.NestedPart;
import com.proofpoint.node.NodeInfo;
import org.joda.time.DateTime;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Set;
import java.util.UUID;
import static com.google.common.io.ByteStreams.nullOutputStream;
import static com.proofpoint.event.client.ChainedCircularEventClass.ChainedPart;
import static com.proofpoint.event.client.EventTypeMetadata.getValidEventTypeMetaDataSet;
import static org.testng.Assert.assertEquals;
public class TestJsonEventWriter
{
private JsonEventWriter eventWriter;
@BeforeMethod
public void setup()
throws Exception
{
Set<EventTypeMetadata<?>> eventTypes = getValidEventTypeMetaDataSet(
FixedDummyEventClass.class, NestedDummyEventClass.class, CircularEventClass.class, ChainedCircularEventClass.class);
eventWriter = new JsonEventWriter(new NodeInfo("test"), eventTypes);
}
@Test
public void testEventWriter()
throws Exception
{
assertEventJson(createEventGenerator(TestingUtils.getEvents()), "sample-trace-token", "events.json");
}
@Test
public void testNullValue()
throws Exception
{
FixedDummyEventClass event = new FixedDummyEventClass(
"localhost", new DateTime("2011-09-09T01:59:59.999Z"), UUID.fromString("1ea8ca34-db36-11e0-b76f-8b7d505ab1ad"), 123, null);
assertEventJson(createEventGenerator(ImmutableList.of(event)), "sample-trace-token", "nullValue.json");
}
@Test
public void testNullToken()
throws Exception
{
assertEventJson(createEventGenerator(TestingUtils.getEvents()), null, "nullToken.json");
}
@Test
public void testNestedEvent()
throws Exception
{
NestedDummyEventClass nestedEvent = new NestedDummyEventClass(
"localhost", new DateTime("2011-09-09T01:48:08.888Z"), UUID.fromString("6b598c2a-0a95-4f3f-9298-5a4d70ca13fc"), 9999, "nested",
ImmutableList.of("abc", "xyz"),
new NestedPart("first", new NestedPart("second", new NestedPart("third", null))),
ImmutableList.of(new NestedPart("listFirst", new NestedPart("listSecond", null)), new NestedPart("listThird", null))
);
assertEventJson(createEventGenerator(ImmutableList.of(nestedEvent)), "sample-trace-token", "nested.json");
}
@Test(expectedExceptions = InvalidEventException.class, expectedExceptionsMessageRegExp = "Cycle detected in event data:.*")
public void testCircularEvent()
throws Exception
{
eventWriter.writeEvents(createEventGenerator(ImmutableList.of(new CircularEventClass())), null, nullOutputStream());
}
@Test(expectedExceptions = InvalidEventException.class, expectedExceptionsMessageRegExp = "Cycle detected in event data:.*")
public void testChainedCircularEvent()
throws Exception
{
ChainedPart a = new ChainedPart("a");
ChainedPart b = new ChainedPart("b");
ChainedPart c = new ChainedPart("c");
a.setPart(b);
b.setPart(c);
c.setPart(a);
ChainedCircularEventClass event = new ChainedCircularEventClass(a);
eventWriter.writeEvents(createEventGenerator(ImmutableList.of(event)), null, nullOutputStream());
}
@Test(expectedExceptions = InvalidEventException.class)
public void testUnregisteredEventClass()
throws Exception
{
DummyEventClass event = new DummyEventClass(1.1, 1, "foo", false);
eventWriter.writeEvents(createEventGenerator(ImmutableList.of(event)), null, nullOutputStream());
}
private void assertEventJson(EventGenerator<?> events, String token, String resource)
throws Exception
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
eventWriter.writeEvents(events, token, out);
String json = out.toString(Charsets.UTF_8.name());
assertEquals(json, TestingUtils.getNormalizedJson(resource));
}
private static <T> EventClient.EventGenerator<T> createEventGenerator(final Iterable<T> events)
{
return new EventClient.EventGenerator<T>()
{
@Override
public void generate(EventClient.EventPoster<T> eventPoster)
throws IOException
{
for (T event : events) {
eventPoster.post(event);
}
}
};
}
}