/
RtContainerITCase.java
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/
RtContainerITCase.java
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/**
* Copyright (c) 2018-2019, Mihai Emil Andronache
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1)Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2)Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3)Neither the name of docker-java-api nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.amihaiemil.docker;
import java.io.File;
import java.io.IOException;
import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.hamcrest.core.IsEqual;
import org.junit.Test;
/**
* Integration tests for {@link RtContainer}.
* @author Mihai Andronache (amihaiemil@gmail.com)
* @version $Id$
* @since 0.0.1
*/
public final class RtContainerITCase {
/**
* {@link RtContainer} can rename the Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void renamesContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("Toomes", "hello-world");
MatcherAssert.assertThat(
container.inspect().getString("Name"),
Matchers.equalTo("/Toomes")
);
container.rename("Fury");
MatcherAssert.assertThat(
container.inspect().getString("Name"),
Matchers.equalTo("/Fury")
);
container.remove();
}
/**
* {@link RtContainer} can start/stop Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void startStopContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestStart", this.containerJsonObject());
container.start();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
container.stop();
container.remove();
}
/**
* {@link RtContainer} can kill Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void killContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestKill", this.containerJsonObject());
container.start();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
container.kill();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(false)
);
container.remove();
}
/**
* {@link RtContainer} can restart Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void restartContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestRestart", this.containerJsonObject());
container.start();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
container.restart();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
container.stop();
container.remove();
}
/**
* Create Container Json Object to support stop/restart/kill commands.
* @return Json Object representing Docker Container
*/
private JsonObject containerJsonObject() {
JsonObjectBuilder json = Json.createObjectBuilder();
json.add("Image", "ubuntu");
json.add("Tty", true);
json.add("Cmd", "bash");
return json.build();
}
/**
* {@link RtContainer} can pause Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void pauseContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestPause", this.containerJsonObject());
container.start();
container.pause();
MatcherAssert.assertThat(
this.pausedState(container),
new IsEqual<>(true)
);
container.stop();
container.remove();
}
/**
* {@link RtContainer} can unpause Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void unpauseContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestUnpause", this.containerJsonObject());
container.start();
container.pause();
MatcherAssert.assertThat(
this.pausedState(container),
new IsEqual<>(true)
);
container.unpause();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
container.stop();
container.remove();
}
/**
* Inspect Container and check running state.
* @param container Docker Container.
* @return Running state.
* @throws IOException If something goes wrong.
*/
private boolean runningState(final Container container) throws IOException {
return container.inspect().getJsonObject("State")
.getBoolean("Running");
}
/**
* Inspect Container and check paused state.
* @param container Docker Container.
* @return Running state.
* @throws IOException If something goes wrong.
*/
private boolean pausedState(final Container container) throws IOException {
return container.inspect().getJsonObject("State")
.getBoolean("Paused");
}
/**
* {@link RtContainer} Can create Exec of Docker container it represents.
* @throws Exception If something goes wrong.
*/
@Test
public void execContainer() throws Exception {
final Container container = new UnixDocker(
new File("/var/run/docker.sock")
).containers().create("TestStart", this.containerJsonObject());
container.start();
MatcherAssert.assertThat(
this.runningState(container),
new IsEqual<>(true)
);
final JsonObject json = Json.createObjectBuilder()
.add("Cmd", Json.createArrayBuilder().add("date").build())
.add("Tty", true)
.add("AttachStdout", true)
.build();
Exec exec = container.exec(json);
MatcherAssert.assertThat(
container.inspect().getJsonArray("ExecIDs").size(),
new IsEqual<>(1)
);
MatcherAssert.assertThat(
container.inspect().getJsonArray("ExecIDs").getString(0),
new IsEqual<>(exec.inspect().getString("ID"))
);
container.stop();
container.remove();
}
}