package com.github.dockerjava.core.command;

import static ch.lambdaj.Lambda.selectUnique;

import static org.hamcrest.MatcherAssert.assertThat;

import static org.hamcrest.Matchers.equalTo;

import static org.hamcrest.Matchers.isEmptyString;

import static org.hamcrest.Matchers.not;

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

import java.lang.reflect.Method;

import java.util.List;

import org.testng.ITestResult;

import org.testng.annotations.AfterMethod;

import org.testng.annotations.AfterTest;

import org.testng.annotations.BeforeMethod;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;

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

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

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

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

import com.github.dockerjava.client.AbstractDockerClientTest;

@Test(groups = "integration")

public class ContainerDiffCmdImplTest extends AbstractDockerClientTest {

@BeforeTest

public void beforeTest() throws Exception {

super.beforeTest();

}

@AfterTest

public void afterTest() {

super.afterTest();

}

@BeforeMethod

public void beforeMethod(Method method) {

super.beforeMethod(method);

}

@AfterMethod

public void afterMethod(ITestResult result) {

super.afterMethod(result);

}

@Test(groups = "ignoreInCircleCi")

public void testContainerDiff() throws DockerException {

CreateContainerResponse container = dockerClient.createContainerCmd("busybox").withCmd("touch", "/test").exec();

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

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

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

int exitCode = dockerClient.waitContainerCmd(container.getId()).exec(new WaitContainerResultCallback())

.awaitStatusCode();

assertThat(exitCode, equalTo(0));

List<ChangeLog> filesystemDiff = dockerClient.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(expectedExceptions = NotFoundException.class)

public void testContainerDiffWithNonExistingContainer() throws DockerException {

dockerClient.containerDiffCmd("non-existing").exec();

}

}