/*
 *      Copyright (C) 2012-2015 DataStax Inc.
 *
 *   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.datastax.driver.core.utils;

import com.datastax.driver.core.MemoryAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.testng.annotations.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class UUIDsPIDNativeTest {

    private static final Logger logger = Logger.getLogger(UUIDs.class);

    @Test(groups = "isolated")
    public void should_obtain_pid_through_native_call() {
        // In the general case the JNR call should *just* work as most systems should support POSIX getpid.
        MemoryAppender appender = new MemoryAppender();
        Level originalLevel = logger.getLevel();
        try {
            logger.setLevel(Level.INFO);
            logger.addAppender(appender);
            UUIDs.timeBased();

            assertThat(appender.get()).containsOnlyOnce("PID obtained through native call to getpid()");
        } finally {
            logger.removeAppender(appender);
            logger.setLevel(originalLevel);
        }
    }
}