Ratpack

Ratpacked: Assert No Exceptions Are Thrown With RequestFixture

Posted on June 13, 2017 by

Writing unit tests for our handlers in Ratpack is easy with RequestFixture. We invoke the handle method and use a Handler or Chain we want to test as argument. We can provide extra details on the fixture instance with a second argument, for example adding objects to the registry or setting the request method. The handle method returns a HandlingResult object. This object has the method exception that we can use to see if an exception occurred in our code under test. The method throws a HandlerExceptionNotThrownException if the expected exception doesn’t occur.

In the following example we have two feature methods to check if an exception occurred or not:

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Ratpacked: Using Spring As Component Registry

Posted on June 15, 2016 by

Hubert Klein Ikkink

Usually in our Ratpack application we use a registry to store components that we want to use in our application code. The calling code for the registry doesn't need to know how the registry is implemented. Ratpack support Google Guice for example, but Spring is also supported. This means we can define the components for our registry using Spring and we only have to tell Ratpack where to look for the Spring configuration files. Ratpack provides for us the ratpack.spring.Spring class with the static method spring. This method returns a Ratpack registry implementation we can use in our application.

To enable Spring support we must add the Ratpack spring-boot dependency to our build file:

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