package com.github.dockerjava.cmd;

import com.github.dockerjava.api.DockerClient;

import com.github.dockerjava.api.command.CreateContainerResponse;

import com.github.dockerjava.api.exception.DockerException;

import com.github.dockerjava.api.model.Info;

import org.junit.Test;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import static com.github.dockerjava.core.DockerRule.DEFAULT_IMAGE;

import static com.github.dockerjava.utils.TestUtils.isNotSwarm;

import static org.hamcrest.MatcherAssert.assertThat;

import static org.hamcrest.Matchers.greaterThan;

import static org.hamcrest.Matchers.isEmptyOrNullString;

import static org.hamcrest.Matchers.not;

import static org.hamcrest.Matchers.notNullValue;

/**

* @author Kanstantsin Shautsou

*/

public class InfoCmdIT extends CmdIT {

private static final Logger LOG = LoggerFactory.getLogger(InfoCmdIT.class);

@Test

public void infoTest() throws DockerException {

DockerClient dockerClient = dockerRule.getClient();

// Make sure that there is at least one container for the assertion

// TODO extract this into a shared method

if (dockerClient.listContainersCmd().withShowAll(true).exec().size() == 0) {

CreateContainerResponse container = dockerClient.createContainerCmd(DEFAULT_IMAGE)

.withName("docker-java-itest-info")

.withCmd("touch", "/test")

.exec();

LOG.info("Created container: {}", container);

assertThat(container.getId(), not(isEmptyOrNullString()));

dockerClient.startContainerCmd(container.getId()).exec();

}

Info dockerInfo = dockerClient.infoCmd().exec();

LOG.info(dockerInfo.toString());

assertThat(dockerInfo.getContainers(), notNullValue());

assertThat(dockerInfo.getContainers(), greaterThan(0));

assertThat(dockerInfo.getImages(), notNullValue());

assertThat(dockerInfo.getImages(), greaterThan(0));

assertThat(dockerInfo.getDebug(), notNullValue());

if (isNotSwarm(dockerClient)) {

assertThat(dockerInfo.getNFd(), greaterThan(0));

assertThat(dockerInfo.getNGoroutines(), greaterThan(0));

assertThat(dockerInfo.getNCPU(), greaterThan(0));

}

}

}