/*
 * Copyright 2012-2014 the original author or authors.
 *
 * 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 org.springframework.cloud.netflix.eureka.server;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import java.io.IOException;

import org.apache.log4j.Logger;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.boot.logging.LogLevel;
import org.springframework.boot.logging.log4j.Log4JLoggingSystem;
import org.springframework.boot.test.OutputCapture;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;

import com.netflix.blitz4j.LoggingConfiguration;

/**
 * Tests for {@link Log4JLoggingSystem}.
 *
 * @author Phillip Webb
 */
public class Log4JLoggingSystemTests {

	@Rule
	public OutputCapture output = new OutputCapture();

	private final Log4JLoggingSystem loggingSystem = new Log4JLoggingSystem(getClass()
			.getClassLoader());

	private Logger logger;

	@Before
	public void setup() {
		System.setProperty("log4j.configuration", getPackagedConfigFile("log4j.properties"));
		logger = Logger.getLogger(getClass());
		LoggingConfiguration.getInstance().configure();
	}

	@Test
	@Ignore("gh-48")
	public void setLevel() throws Exception {
		this.loggingSystem.beforeInitialize();
		this.loggingSystem.initialize(null, null);
		this.logger.debug("Hello");
		this.loggingSystem.setLogLevel("org.springframework.cloud", LogLevel.DEBUG);
		this.logger.debug("Hello");
		assertThat(StringUtils.countOccurrencesOf(this.output.toString(), "Hello"),
				equalTo(1));
	}


	private final String getPackagedConfigFile(String fileName) {
		try {
			return new ClassPathResource(fileName, Log4JLoggingSystem.class).getURL().toString();
		}
		catch (IOException e) {
			throw new IllegalStateException("Cannot create URL", e);
		}
	}
}

Add ignored test to show that blitz4j is not responding
Add ignored test to show that blitz4j is not responding

Blitz4j is definitely preventing the log levels from being changed at runtime
through the normal Spring boot channels.

Fixes gh-48
