/*
* 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.cassandra.tracing;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.utils.progress.ProgressEvent;
import org.apache.commons.lang3.StringUtils;
public final class TracingTest
{
@BeforeClass
public static void setupDD()
{
DatabaseDescriptor.daemonInitialization();
}
@Test
public void test()
{
List<String> traces = new ArrayList<>();
Tracing tracing = new TracingImpl(traces);
tracing.newSession(Tracing.TraceType.NONE);
TraceState state = tracing.begin("test-request", Collections.<String,String>emptyMap());
state.trace("test-1");
state.trace("test-2");
state.trace("test-3");
tracing.stopSession();
assert null == tracing.get();
assert 4 == traces.size();
assert "test-request".equals(traces.get(0));
assert "test-1".equals(traces.get(1));
assert "test-2".equals(traces.get(2));
assert "test-3".equals(traces.get(3));
}
@Test
public void test_get()
{
List<String> traces = new ArrayList<>();
Tracing tracing = new TracingImpl(traces);
tracing.newSession(Tracing.TraceType.NONE);
tracing.begin("test-request", Collections.<String,String>emptyMap());
tracing.get().trace("test-1");
tracing.get().trace("test-2");
tracing.get().trace("test-3");
tracing.stopSession();
assert null == tracing.get();
assert 4 == traces.size();
assert "test-request".equals(traces.get(0));
assert "test-1".equals(traces.get(1));
assert "test-2".equals(traces.get(2));
assert "test-3".equals(traces.get(3));
}
@Test
public void test_get_uuid()
{
List<String> traces = new ArrayList<>();
Tracing tracing = new TracingImpl(traces);
UUID uuid = tracing.newSession(Tracing.TraceType.NONE);
tracing.begin("test-request", Collections.<String,String>emptyMap());
tracing.get(uuid).trace("test-1");
tracing.get(uuid).trace("test-2");
tracing.get(uuid).trace("test-3");
tracing.stopSession();
assert null == tracing.get();
assert 4 == traces.size();
assert "test-request".equals(traces.get(0));
assert "test-1".equals(traces.get(1));
assert "test-2".equals(traces.get(2));
assert "test-3".equals(traces.get(3));
}
@Test
public void test_customPayload()
{
List<String> traces = new ArrayList<>();
ByteBuffer customPayloadValue = ByteBuffer.wrap("test-value".getBytes());
Map<String,ByteBuffer> customPayload = Collections.singletonMap("test-key", customPayloadValue);
TracingImpl tracing = new TracingImpl(traces);
tracing.newSession(customPayload);
TraceState state = tracing.begin("test-custom_payload", Collections.<String,String>emptyMap());
state.trace("test-1");
state.trace("test-2");
state.trace("test-3");
tracing.stopSession();
assert null == tracing.get();
assert 4 == traces.size();
assert "test-custom_payload".equals(traces.get(0));
assert "test-1".equals(traces.get(1));
assert "test-2".equals(traces.get(2));
assert "test-3".equals(traces.get(3));
assert tracing.payloads.containsKey("test-key");
assert customPayloadValue.equals(tracing.payloads.get("test-key"));
}
@Test
public void test_states()
{
List<String> traces = new ArrayList<>();
Tracing tracing = new TracingImpl(traces);
tracing.newSession(Tracing.TraceType.REPAIR);
tracing.begin("test-request", Collections.<String,String>emptyMap());
tracing.get().enableActivityNotification("test-tag");
assert TraceState.Status.IDLE == tracing.get().waitActivity(1);
tracing.get().trace("test-1");
assert TraceState.Status.ACTIVE == tracing.get().waitActivity(1);
tracing.get().stop();
assert TraceState.Status.STOPPED == tracing.get().waitActivity(1);
tracing.stopSession();
assert null == tracing.get();
}
@Test
public void test_progress_listener()
{
List<String> traces = new ArrayList<>();
Tracing tracing = new TracingImpl(traces);
tracing.newSession(Tracing.TraceType.REPAIR);
tracing.begin("test-request", Collections.<String,String>emptyMap());
tracing.get().enableActivityNotification("test-tag");
tracing.get().addProgressListener((String tag, ProgressEvent pe) -> {
assert "test-tag".equals(tag);
assert "test-trace".equals(pe.getMessage());
});
tracing.get().trace("test-trace");
tracing.stopSession();
assert null == tracing.get();
}
private static final class TracingImpl extends Tracing
{
private final List<String> traces;
private final Map<String,ByteBuffer> payloads = new HashMap<>();
public TracingImpl()
{
this(new ArrayList<>());
}
public TracingImpl(List<String> traces)
{
this.traces = traces;
}
public void stopSessionImpl()
{}
public TraceState begin(String request, InetAddress ia, Map<String, String> map)
{
traces.add(request);
return get();
}
protected UUID newSession(UUID sessionId, TraceType traceType, Map<String,ByteBuffer> customPayload)
{
if (!customPayload.isEmpty())
logger.info("adding custom payload items {}", StringUtils.join(customPayload.keySet(), ','));
payloads.putAll(customPayload);
return super.newSession(sessionId, traceType, customPayload);
}
protected TraceState newTraceState(InetAddress ia, UUID uuid, Tracing.TraceType tt)
{
return new TraceState(ia, uuid, tt)
{
protected void traceImpl(String string)
{
traces.add(string);
}
protected void waitForPendingEvents()
{
}
};
}
public void trace(ByteBuffer bb, String string, int i)
{
throw new UnsupportedOperationException("Not supported yet.");
}
}
}