Ratpack

Ratpacked: Assert No Exceptions Are Thrown With RequestFixture

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Hubert Klein Ikkink

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.

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Ratpacked: Using Spring As Component Registry

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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.

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