package com.github.dockerjava.cmd;

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

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

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

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

import org.junit.Test;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import java.util.List;

import static ch.lambdaj.Lambda.selectUnique;

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

import static org.hamcrest.CoreMatchers.is;

import static org.hamcrest.MatcherAssert.assertThat;

import static org.hamcrest.Matchers.equalTo;

import static org.hamcrest.Matchers.emptyString;

import static org.hamcrest.Matchers.not;

import static org.testinfected.hamcrest.jpa.HasFieldWithValue.hasField;

public class ContainerDiffCmdIT extends CmdIT {

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

@Test

public void testContainerDiff() throws DockerException {

CreateContainerResponse container = dockerRule.getClient().createContainerCmd(DEFAULT_IMAGE).withCmd("touch", "/test").exec();

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

assertThat(container.getId(), not(is(emptyString())));

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

int exitCode = dockerRule.getClient().waitContainerCmd(container.getId()).start()

.awaitStatusCode();

assertThat(exitCode, equalTo(0));

List<ChangeLog> filesystemDiff = dockerRule.getClient().containerDiffCmd(container.getId()).exec();

LOG.info("Container DIFF: {}", filesystemDiff.toString());

assertThat(filesystemDiff.size(), equalTo(1));

ChangeLog testChangeLog = selectUnique(filesystemDiff, hasField("path", equalTo("/test")));

assertThat(testChangeLog, hasField("path", equalTo("/test")));

assertThat(testChangeLog, hasField("kind", equalTo(1)));

}

@Test(expected = NotFoundException.class)

public void testContainerDiffWithNonExistingContainer() throws DockerException {

dockerRule.getClient().containerDiffCmd("non-existing").exec();

}

}