/**
* Copyright (c) 2009-2011 VMware, Inc. All Rights Reserved.
*
* 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.springsource.insight.plugin.ehcache;
import java.util.Collection;
import java.util.List;
import org.junit.Test;
import com.springsource.insight.collection.test.AbstractCollectionTestSupport;
import com.springsource.insight.intercept.application.ApplicationName;
import com.springsource.insight.intercept.operation.Operation;
import com.springsource.insight.intercept.operation.OperationType;
import com.springsource.insight.intercept.topology.ExternalResourceDescriptor;
import com.springsource.insight.intercept.topology.ExternalResourceType;
import com.springsource.insight.intercept.topology.MD5NameGenerator;
import com.springsource.insight.intercept.trace.Frame;
import com.springsource.insight.intercept.trace.SimpleFrameBuilder;
import com.springsource.insight.intercept.trace.Trace;
import com.springsource.insight.intercept.trace.TraceId;
import com.springsource.insight.util.ListUtil;
public class EhcacheResourceAnalyzerTest extends AbstractCollectionTestSupport {
private final EhcacheExternalResourceAnalyzer analyzer = EhcacheExternalResourceAnalyzer.getInstance();
public EhcacheResourceAnalyzerTest() {
super();
}
@Test
public void testLocateExternalResourceName() {
final String NAME = "testLocateExternalResourceName";
Trace trace = createValidTrace(NAME);
Collection<ExternalResourceDescriptor> externalResourceDescriptors = analyzer.locateExternalResourceName(trace);
assertNotNull("No descriptors extracted", externalResourceDescriptors);
assertEquals("Mismatched number of descriptors", 1, externalResourceDescriptors.size());
ExternalResourceDescriptor descriptor = ListUtil.getFirstMember(externalResourceDescriptors);
assertSame("Mismatched descriptor frame", trace.getRootFrame(), descriptor.getFrame());
assertDescriptorContents("testLocateExternalResourceName", NAME, descriptor);
}
@Test
public void testExactlyTwoDifferentExternalResourceNames() {
final String NAME1 = "testCache1", NAME2 = "testCache2";
Operation op1 = createOperation(NAME1), op2 = createOperation(NAME2);
SimpleFrameBuilder builder = new SimpleFrameBuilder();
builder.enter(new Operation().type(OperationType.HTTP));
builder.enter(op2);
builder.exit();
builder.enter(new Operation().type(OperationType.METHOD));
builder.enter(op1);
builder.exit();
builder.exit();
Frame frame = builder.exit();
Trace trace = Trace.newInstance(ApplicationName.valueOf("app"), TraceId.valueOf("0"), frame);
List<ExternalResourceDescriptor> externalResourceDescriptors =
(List<ExternalResourceDescriptor>) analyzer.locateExternalResourceName(trace);
assertNotNull("No descriptors extracted", externalResourceDescriptors);
assertEquals("Mismatched number of descriptors", 2, externalResourceDescriptors.size());
ExternalResourceDescriptor descriptor = externalResourceDescriptors.get(0);
assertSame("Mismatched 2nd operation instance", op2, descriptor.getFrame().getOperation());
assertDescriptorContents("testExactlyTwoDifferentExternalResourceNames", NAME2, descriptor);
descriptor = externalResourceDescriptors.get(1);
assertSame("Mismatched 1st operation instance", op1, descriptor.getFrame().getOperation());
assertDescriptorContents("testExactlyTwoDifferentExternalResourceNames", NAME1, descriptor);
}
private static ExternalResourceDescriptor assertDescriptorContents(
String testName, String name, ExternalResourceDescriptor descriptor) {
assertEquals(testName + ": Mismatched label", name, descriptor.getLabel());
assertEquals(testName + ": Mismatched type", ExternalResourceType.CACHE.name(), descriptor.getType());
assertEquals(testName + ": Mismatched vendor", "ehcache", descriptor.getVendor());
assertEquals(testName + ": Mismatched host", null, descriptor.getHost());
assertEquals(testName + ": Mismatched port", -1, descriptor.getPort());
assertEquals(testName + ": Mismatched direction", Boolean.FALSE, Boolean.valueOf(descriptor.isIncoming()));
String expectedHash = MD5NameGenerator.getName(name);
assertEquals(testName + ": Mismatched name", "ehcache:" + expectedHash, descriptor.getName());
return descriptor;
}
private Trace createValidTrace(String name) {
SimpleFrameBuilder builder = new SimpleFrameBuilder();
Operation op = createOperation(name);
builder.enter(op);
Frame frame = builder.exit();
return Trace.newInstance(ApplicationName.valueOf("app"), TraceId.valueOf("0"), frame);
}
private Operation createOperation(String name) {
Operation op = new Operation().type(EhcacheDefinitions.CACHE_OPERATION);
op.put(EhcacheDefinitions.NAME_ATTRIBUTE, name);
return op;
}
}