2 * Copyright © 2016-2017 European Support Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.openecomp.sdc.logging.api;
19 import static org.junit.Assert.assertEquals;
20 import static org.junit.Assert.assertNotNull;
22 import java.lang.reflect.Field;
23 import org.junit.Test;
26 * Unit-test creation of a logger via factory, assuming not default binding.
31 public class LoggerFactoryTest {
34 public void shouldHoldNoOpWhenNoBinding() throws NoSuchFieldException, IllegalAccessException {
36 // set up to access the private static field
37 Field factory = LoggerFactory.class.getDeclaredField("SERVICE");
38 factory.setAccessible(true);
39 Object impl = factory.get(null);
41 assertEquals("org.openecomp.sdc.logging.api.LoggerFactory$NoOpLoggerCreationService",
42 impl.getClass().getName());
46 public void verifyNoOpLoggerWorksWhenGotByClass() {
47 Logger logger = LoggerFactory.getLogger(LoggerFactoryTest.class);
48 verifyLoggerWorks(logger);
52 public void verifyNoOpLoggerWorksWhenGotByName() {
53 Logger logger = LoggerFactory.getLogger(LoggerFactoryTest.class.getName());
54 verifyLoggerWorks(logger);
57 @Test(expected = NullPointerException.class)
58 public void throwNpeWhenGetByNameWithNull() {
59 LoggerFactory.getLogger((String) null);
62 @Test(expected = NullPointerException.class)
63 public void throwNpeWhenGetByClassWithNull() {
64 LoggerFactory.getLogger((Class<LoggerFactoryTest>) null);
67 private void verifyLoggerWorks(Logger logger) {
68 assertNotNull(logger);
69 // make sure no exceptions are thrown
75 logger.metrics(MetricsData.builder().build());