package com.github.dockerjava.cmd;

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

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

import org.junit.Test;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import java.io.InputStream;

import static com.github.dockerjava.core.RemoteApiVersion.VERSION_1_24;

import static com.github.dockerjava.junit.DockerAssume.assumeNotSwarm;

import static com.github.dockerjava.junit.DockerMatchers.isGreaterOrEqual;

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

import static org.hamcrest.MatcherAssert.assertThat;

import static org.hamcrest.Matchers.isEmptyOrNullString;

import static org.hamcrest.Matchers.not;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertTrue;

import static org.junit.Assume.assumeThat;

public class CopyFileFromContainerCmdIT extends CmdIT {

public static final Logger LOG = LoggerFactory.getLogger(CopyFileFromContainerCmdIT.class);

@Test

public void copyFromContainer() throws Exception {

assumeThat("Doesn't work since 1.24", dockerRule, not(isGreaterOrEqual(VERSION_1_24)));

assumeNotSwarm("", dockerRule);

String containerName = "copyFileFromContainer" + dockerRule.getKind();

dockerRule.ensureContainerRemoved(containerName);

// TODO extract this into a shared method

CreateContainerResponse container = dockerRule.getClient().createContainerCmd("busybox")

.withName(containerName)

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

.exec();

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

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

dockerRule.getClient().startContainerCmd(container.getId()).exec();

InputStream response = dockerRule.getClient().copyFileFromContainerCmd(container.getId(), "/copyFileFromContainer").exec();

// read the stream fully. Otherwise, the underlying stream will not be closed.

String responseAsString = asString(response);

assertNotNull(responseAsString);

assertTrue(responseAsString.length() > 0);

}

@Test(expected = NotFoundException.class)

public void copyFromNonExistingContainer() throws Exception {

dockerRule.getClient().copyFileFromContainerCmd("non-existing", "/test").exec();

}

}