| /* |
| * 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.htrace.core; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.junit.Test; |
| |
| public class TestLocalFileSpanReceiver { |
| @Test |
| public void testUniqueLocalTraceFileName() { |
| String filename1 = LocalFileSpanReceiver.getUniqueLocalTraceFileName(); |
| String filename2 = LocalFileSpanReceiver.getUniqueLocalTraceFileName(); |
| boolean eq = filename1.equals(filename2); |
| if (System.getProperty("os.name").startsWith("Linux")) { |
| // ${java.io.tmpdir}/[pid] |
| assertTrue(eq); |
| } else { |
| // ${java.io.tmpdir}/[random UUID] |
| assertFalse(eq); |
| } |
| } |
| |
| @Test |
| public void testWriteToLocalFile() throws IOException { |
| String traceFileName = LocalFileSpanReceiver.getUniqueLocalTraceFileName(); |
| Tracer tracer = new Tracer.Builder(). |
| name("testWriteToLocalFileTracer"). |
| tracerPool(new TracerPool("testWriteToLocalFile")). |
| conf(HTraceConfiguration.fromKeyValuePairs( |
| "sampler.classes", "AlwaysSampler", |
| "span.receiver.classes", LocalFileSpanReceiver.class.getName(), |
| "local.file.span.receiver.path", traceFileName, |
| "tracer.id", "%{tname}")). |
| build(); |
| TraceScope scope = tracer.newScope("testWriteToLocalFile"); |
| scope.close(); |
| tracer.close(); |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| MilliSpan span = mapper.readValue(new File(traceFileName), MilliSpan.class); |
| assertEquals("testWriteToLocalFile", span.getDescription()); |
| assertEquals("testWriteToLocalFileTracer", span.getTracerId()); |
| } |
| } |