/*
* Copyright (c) 2008-2017, Hazelcast, 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.hazelcast.internal.diagnostics;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.Member;
import com.hazelcast.logging.Logger;
import com.hazelcast.nio.Address;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static java.lang.System.currentTimeMillis;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class DiagnosticsTest extends HazelcastTestSupport {
private Diagnostics newDiagnostics(Config config) {
HazelcastInstance hz = createHazelcastInstance(config);
NodeEngineImpl nodeEngineImpl = getNodeEngineImpl(hz);
Member localMember = nodeEngineImpl.getLocalMember();
Address address = localMember.getAddress();
String addressString = address.getHost().replace(":", "_") + "#" + address.getPort();
String name = "diagnostics-" + addressString + "-" + currentTimeMillis();
return new Diagnostics(
name,
Logger.getLogger(Diagnostics.class),
"hz",
nodeEngineImpl.getNode().getProperties());
}
@Test(expected = NullPointerException.class)
public void register_whenNullPlugin() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "true"));
diagnostics.start();
diagnostics.register(null);
}
@Test
public void register_whenMonitorDisabled() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "false"));
diagnostics.start();
DiagnosticsPlugin plugin = mock(DiagnosticsPlugin.class);
when(plugin.getPeriodMillis()).thenReturn(1L);
diagnostics.register(plugin);
assertEquals(0, diagnostics.staticTasks.get().length);
}
@Test(expected = IllegalArgumentException.class)
public void register_whenMonitorEnabled_andPluginReturnsValueSmallerThanMinesOne() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "true"));
diagnostics.start();
DiagnosticsPlugin plugin = mock(DiagnosticsPlugin.class);
when(plugin.getPeriodMillis()).thenReturn(-2L);
diagnostics.register(plugin);
}
@Test
public void register_whenMonitorEnabled_andPluginDisabled() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "true"));
diagnostics.start();
DiagnosticsPlugin plugin = mock(DiagnosticsPlugin.class);
when(plugin.getPeriodMillis()).thenReturn(0L);
diagnostics.register(plugin);
assertEquals(0, diagnostics.staticTasks.get().length);
}
@Test
public void register_whenMonitorEnabled_andPluginStatic() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "true"));
diagnostics.start();
diagnostics.start();
DiagnosticsPlugin plugin = mock(DiagnosticsPlugin.class);
when(plugin.getPeriodMillis()).thenReturn(DiagnosticsPlugin.STATIC);
diagnostics.register(plugin);
assertArrayEquals(new DiagnosticsPlugin[]{plugin}, diagnostics.staticTasks.get());
}
@Test
public void start_whenDisabled() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "false"));
diagnostics.start();
assertNull(diagnostics.diagnosticsLogFile);
}
@Test
public void start_whenEnabled() {
Diagnostics diagnostics = newDiagnostics(
new Config().setProperty(Diagnostics.ENABLED.getName(), "true"));
diagnostics.start();
assertNotNull(diagnostics.diagnosticsLogFile);
}
}