org.force66.mediator.Slf4jTaskErrorHandlerTest.java Source code

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Here is the source code for org.force66.mediator.Slf4jTaskErrorHandlerTest.java

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/*
 * This software is licensed under the Apache License, Version 2.0
 * (the "License") agreement; 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.force66.mediator;

import org.apache.commons.lang3.reflect.FieldUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;
import org.slf4j.Logger;

@RunWith(MockitoJUnitRunner.class)
public class Slf4jTaskErrorHandlerTest {

    @Mock
    Logger logger;

    Slf4jTaskErrorHandler taskErrorHandler;

    @Before
    public void setUp() throws Exception {
        taskErrorHandler = new Slf4jTaskErrorHandler(logger);
    }

    @Test
    public void testGetLogLevel() throws Exception {
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_LOG_LEVEL.ERROR, taskErrorHandler.getLogLevel());
    }

    @Test
    public void testHandle() throws Exception {
        String errorMessage = (String) FieldUtils.readDeclaredField(taskErrorHandler, "message", true);
        Exception exception = new RuntimeException("crap");

        // Test ERROR logging
        taskErrorHandler.handle(exception, null);
        Mockito.verify(logger).error(errorMessage, exception);

        // Test WARNING logging
        taskErrorHandler = new Slf4jTaskErrorHandler(logger, errorMessage,
                Slf4jTaskErrorHandler.Slf4jLogLevel.WARNING);
        taskErrorHandler.handle(exception, null);
        Mockito.verify(logger).warn(errorMessage, exception);

        // Test INFO logging
        taskErrorHandler = new Slf4jTaskErrorHandler(logger, errorMessage,
                Slf4jTaskErrorHandler.Slf4jLogLevel.INFO);
        taskErrorHandler.handle(exception, null);
        Mockito.verify(logger).info(errorMessage, exception);

        // Test TRACE logging
        taskErrorHandler = new Slf4jTaskErrorHandler(logger, errorMessage,
                Slf4jTaskErrorHandler.Slf4jLogLevel.TRACE);
        taskErrorHandler.handle(exception, null);
        Mockito.verify(logger).trace(errorMessage, exception);
    }

    @Test
    public void testSlf4jTaskErrorHandler() throws Exception {
        // Logger constructor test
        Assert.assertEquals(logger, FieldUtils.readDeclaredField(taskErrorHandler, "logger", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_MESSAGE,
                FieldUtils.readDeclaredField(taskErrorHandler, "message", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_LOG_LEVEL.ERROR,
                FieldUtils.readDeclaredField(taskErrorHandler, "logLevel", true));

        // Logger/Message constructor test
        taskErrorHandler = new Slf4jTaskErrorHandler(logger, "MyMessage");
        Assert.assertEquals(logger, FieldUtils.readDeclaredField(taskErrorHandler, "logger", true));
        Assert.assertEquals("MyMessage", FieldUtils.readDeclaredField(taskErrorHandler, "message", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_LOG_LEVEL.ERROR,
                FieldUtils.readDeclaredField(taskErrorHandler, "logLevel", true));

        // Logger/Message/Error level constructor test
        taskErrorHandler = new Slf4jTaskErrorHandler(logger, "MyMessage",
                Slf4jTaskErrorHandler.Slf4jLogLevel.WARNING);
        Assert.assertEquals(logger, FieldUtils.readDeclaredField(taskErrorHandler, "logger", true));
        Assert.assertEquals("MyMessage", FieldUtils.readDeclaredField(taskErrorHandler, "message", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.Slf4jLogLevel.WARNING,
                FieldUtils.readDeclaredField(taskErrorHandler, "logLevel", true));

        // Null Constructor test
        taskErrorHandler = new Slf4jTaskErrorHandler();
        Assert.assertNotNull(FieldUtils.readDeclaredField(taskErrorHandler, "logger", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_MESSAGE,
                FieldUtils.readDeclaredField(taskErrorHandler, "message", true));
        Assert.assertEquals(Slf4jTaskErrorHandler.DEFAULT_LOG_LEVEL.ERROR,
                FieldUtils.readDeclaredField(taskErrorHandler, "logLevel", true));
    }

}