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* Copyright 2014 Edgar Espina

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package org.jooby.test;

import static java.util.Objects.requireNonNull;

import org.jooby.Jooby;

import org.junit.rules.ExternalResource;

/**

* <p>

* Junit rule to run integration tests. You can choose between @ClassRule or @Rule. The next example

* uses ClassRule:

*

* <pre>

* import org.jooby.test.JoobyRule;

*

* public class MyIntegrationTest {

*

* &#64;ClassRule

* private static JoobyRule bootstrap = new JoobyRule(new MyApp());

*

* }

* </pre>

*

* <p>

* Here one and only one instance will be created, which means the application start before the

* first test and stop after the last test. Application state is shared between tests.

* </p>

* <p>

* While with Rule a new application is created per test. If you have N test, then the application

* will start/stop N times:

* </p>

*

* <pre>

* import org.jooby.test.JoobyRule;

*

* public class MyIntegrationTest {

*

* &#64;Rule

* private static JoobyRule bootstrap = new JoobyRule(new MyApp());

*

* }

* </pre>

*

* <p>

* You are free to choice the HTTP client of your choice, like Fluent Apache HTTP client, REST

* Assured, etc..

* </p>

* <p>

* Here is a full example with REST Assured:

* </p>

*

* <pre>{@code

* import org.jooby.Jooby;

*

* public class MyApp extends Jooby {

*

* {

* get("/", () -> "I'm real");

* }

*

* }

*

* import org.jooby.test.JoobyRyle;

*

* public class MyIntegrationTest {

*

* &#64;ClassRule

* static JoobyRule bootstrap = new JoobyRule(new MyApp());

*

* &#64;Test

* public void integrationTestJustWorks() {

* get("/")

* .then()

* .assertThat()

* .body(equalTo("I'm real"));

* }

* }

* }</pre>

*

* @author edgar

*/

public class JoobyRule extends ExternalResource {

private Jooby app;

/**

* Creates a new {@link JoobyRule} to run integration tests.

*

* @param app Application to test.

*/

public JoobyRule(final Jooby app) {

this.app = requireNonNull(app, "App required.");

}

@Override

protected void before() throws Throwable {

app.start("server.join=false");

}

@Override

protected void after() {

app.stop();

}

}