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Prevent NPE in micrometer when there is no response & 404
Signed-off-by: jansupol <[email protected]>
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...r/src/test/java/org/glassfish/jersey/micrometer/server/exception/JerseyKeyValuesTest.java
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/* | ||
* Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. | ||
* | ||
* This program and the accompanying materials are made available under the | ||
* terms of the Eclipse Public License v. 2.0, which is available at | ||
* http://www.eclipse.org/legal/epl-2.0. | ||
* | ||
* This Source Code may also be made available under the following Secondary | ||
* Licenses when the conditions for such availability set forth in the | ||
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License, | ||
* version 2 with the GNU Classpath Exception, which is available at | ||
* https://www.gnu.org/software/classpath/license.html. | ||
* | ||
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
*/ | ||
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package org.glassfish.jersey.micrometer.server.exception; | ||
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import io.micrometer.common.KeyValue; | ||
import io.micrometer.common.KeyValues; | ||
import org.glassfish.jersey.micrometer.server.DefaultJerseyObservationConvention; | ||
import org.glassfish.jersey.micrometer.server.JerseyContext; | ||
import org.glassfish.jersey.server.ExtendedUriInfo; | ||
import org.glassfish.jersey.server.internal.monitoring.RequestEventImpl; | ||
import org.glassfish.jersey.server.monitoring.RequestEvent; | ||
import org.hamcrest.MatcherAssert; | ||
import org.hamcrest.Matchers; | ||
import org.junit.jupiter.api.Test; | ||
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import javax.ws.rs.NotFoundException; | ||
import java.lang.reflect.InvocationHandler; | ||
import java.lang.reflect.Method; | ||
import java.lang.reflect.Proxy; | ||
import java.util.Collections; | ||
import java.util.Optional; | ||
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public class JerseyKeyValuesTest { | ||
@Test | ||
public void testOnException() { | ||
ExtendedUriInfo uriInfo = (ExtendedUriInfo) Proxy.newProxyInstance(getClass().getClassLoader(), | ||
new Class[]{ExtendedUriInfo.class}, | ||
new InvocationHandler() { | ||
@Override | ||
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { | ||
switch (method.getName()) { | ||
case "getMatchedTemplates": | ||
return Collections.emptyList(); | ||
} | ||
return null; | ||
} | ||
}); | ||
RequestEventImpl event = new RequestEventImpl.Builder() | ||
.setExtendedUriInfo(uriInfo) | ||
.setException(new NotFoundException(), RequestEvent.ExceptionCause.ORIGINAL) | ||
.build(RequestEvent.Type.ON_EXCEPTION); | ||
JerseyContext context = new JerseyContext(event); | ||
DefaultJerseyObservationConvention convention = new DefaultJerseyObservationConvention("Test-Metric"); | ||
KeyValues values = convention.getLowCardinalityKeyValues(context); | ||
Optional<KeyValue> kv = values.stream().filter(p -> p.getValue().equals("NOT_FOUND")).findFirst(); | ||
MatcherAssert.assertThat(kv.isPresent(), Matchers.equalTo(true)); | ||
} | ||
} |