We are telling MockMVC to perform a GET request on ‘/api/article’ and to expect content in the JSON format. After preparations for the test, we can compose a mock HTTP request using MockMVC.
In this test example, we have created one test user and two mock articles and then we stated that for every repository request to find all articles, we return a list of mocked articles. In this section, I’ll try to explain a basic Kotlin Spring Controller. zip file can be extracted and imported into your favourite IDE and the project is ready to go. Add the following dependencies and click Generate Project: But you can also use Maven if you are more comfortable with it. It provides a Kotlin DSL which is used by default when generating a Kotlin project, so this is the recommended choice. Gradle is the most commonly used build tool in Kotlin. Creating a New Kotlin Spring ProjectĪ new project can be initialized by visiting and choosing the Kotlin language. They are also trying to make the whole Spring Framework API null-safe from the Kotlin side and they aim to allow dealing with null values at compile time rather than throwing NullPointerExceptions at runtime.
Spring has been officially supporting Kotlin since Spring Framework 5.0, which has allowed them to extend existing APIs in a non-intrusive way, provide a better alternative to utility classes or Kotlin-specific class hierarchies to add Kotlin-dedicated features to Spring. Kotlin’s interoperability makes it compatible with existing JVM libraries, Android and browsers. This means that Kotlin can call and execute Java code. Because of this, interoperability is possible. Both Java and Kotlin compile into the same bytecode.
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