Package ratpack.test

Class MainClassApplicationUnderTest

java.lang.Object

ratpack.test.ServerBackedApplicationUnderTest

ratpack.test.MainClassApplicationUnderTest

All Implemented Interfaces:

AutoCloseable, ApplicationUnderTest, CloseableApplicationUnderTest

Direct Known Subclasses:

GroovyRatpackMainApplicationUnderTest

public class MainClassApplicationUnderTest
extends ServerBackedApplicationUnderTest

An application under test fixture that can be used to test a server started by a “main” method.

 import ratpack.core.server.RatpackServer;
 import ratpack.test.MainClassApplicationUnderTest;

 import static org.junit.jupiter.api.Assertions.assertEquals;

 public class Example {

   public static class App {
     public static void main(String[] args) throws Exception {
       RatpackServer.start(s -> s
         .handlers(c -> c
           .get(ctx -> ctx.render("Hello world!"))
         )
       );
     }
   }

   public static void main(String[] args) throws Exception {
     new MainClassApplicationUnderTest(App.class).test(testHttpClient ->
       assertEquals("Hello world!", testHttpClient.getText())
     );
   }
 }
 

Note that this type implements CloseableApplicationUnderTest, and should be closed when no longer needed.

See Also:

ServerBackedApplicationUnderTest.addImpositions(ImpositionsSpec), ServerBackedApplicationUnderTest

Constructor Summary

Constructors

Constructor	Description
MainClassApplicationUnderTest(Class<?> mainClass)	Creates a new app under test, based on the given main class.

Method Summary

Modifier and Type	Method	Description
protected RatpackServer	createServer()	Starts the Ratpack server by invoking the public static void main(String[]) method of the “main class” backing this object.

Methods inherited from class ratpack.test.ServerBackedApplicationUnderTest

addDefaultImpositions, addImpositions, close, createImpositions, getAddress, of, of, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ratpack.test.ApplicationUnderTest

getHttpClient

Methods inherited from interface ratpack.test.CloseableApplicationUnderTest

test

Constructor Detail

MainClassApplicationUnderTest

public MainClassApplicationUnderTest(Class<?> mainClass)

Creates a new app under test, based on the given main class.

Parameters:

mainClass - a class who's main method starts a Ratpack server

Method Detail

createServer

protected RatpackServer createServer()
                              throws Exception

Starts the Ratpack server by invoking the public static void main(String[]) method of the “main class” backing this object.

Specified by:

createServer in class ServerBackedApplicationUnderTest

Returns:

the Ratpack server created by the main method

Throws:

Exception - if the main method cannot be invoked