However, our SUT (System Under Test) can be Java or Kotlin. You can generally mix and match like JUnit, Mockk, and assertj. This kind of tooling is really powerful and using Kotlin we can use it in a friendly and simple way thanks to its syntax. Test cases using this framework can be written in Java or Kotlin ensuring no new skill development is required to use it. This tutorial is an introduction to API Testing using Karate Framework. by Edgar Espina 2.16.1. To do this, just install it in the File > Settings > Plugins > Install JetBrains plugin. - see the changelog Community Kotest channel in the Kotlin Slack (get an invite here) Stack Overflow (don't forget to use the tag "kotest".) This means that we can easily plug it into any project that already uses JUnit 5 to run alongside any other tests that we might have. Select Test Function from the menu. Running Unit Tests With Gradle. The tests that we usually write are: Controller tests mocking the use cases thanks to the usage of the Dependency Injector. . The Dart. These can be HTTP . Now I'm happy someone actually ported it to Kotlin and named it KotlinTest! ; Keep the rest of the defaults. We used JUnit and all Java tools with Kotlin. Built from zero to fit Kotlin language. Kotest Kotest is a testing library. Developed by JetBrains, Kotlin is a general-purpose programming language designed to interoperate fully with Java. Parameterized tests with Kotest Creating parameterized tests in Kotlin: data driven testing, collection inspections and generating test cases with FreeSpec. Kotlin Java @Test fun greeterSaysHello() { onView(withId(R.id.name_field)).perform(typeText("Steve")) onView(withId(R.id.greet_button)).perform(click()) onView(withText("Hello Steve!")).check(matches(isDisplayed())) } The core API is small, predictable, and easy to learn and yet remains open for customization. Although Java does not allow one to express null-safety in its type-system, Spring Framework provides null-safety of the whole Spring Framework API via tooling-friendly annotations declared in the org.springframework.lang package. Place the caret somewhere inside the curly braces in the class, press Alt+Insert. Change the Class name: to StatisticsUtilsTest (instead of StatisticsUtilsKtTest; it's slightly nicer not to have KT in the test class name). Spek Framework Overview Spek 2.x is a complete rewrite of Spek with Kotlin multiplatform support in mind. (more about this on the next section). If you would like an invitation to join the Kotlin Slack, complete and submit the Kotlin Slack Sign-up form.. For more community resources, see the gRPC Community and the Kotlin community pages. 4. Are there any naming restrictions? dialog. This means that we can easily plug it into any project that already uses JUnit 5. In 2018, Koin is one of the most trending Kotlin framework. . Build Tools Kobalt - Kotlin-based build system for the JVM. Mockito is a mocking framework with a delicious flavor. To learn more about Kotest, visit kotest.io or see our quick start guide. if you understand the above fundamentals, you will find all of the frameworks easy. Most of the code samples of the reference documentation are provided in Kotlin in addition to Java. As frameworks are meant to be a solution provider to particular problems, and hence there are many in-built functions in Flutter to successfully build a fully functional mobile app. Previously known as Kotlintest - From release 4.0 this project is now known as Kotest For latest updates see Changelog. If you need the 1.x user guide then it can be found here. To run tests for other Kotlin/Native targets, you need to configure them manually in an appropriate environment, emulator, or test framework. in your build.gradle.kts, dependencies section:. Data Access: transactions, DAO support . 1. . Teams. This is a Java-based testing framework that is mostly found working in conjugation with selenium drivers and supports Behavior-driven development (BDD). This chapter focuses on the value added by the IoC principle to unit testing and on the benefits of the Spring Framework's support for integration testing. Ktor (pronounced Kay-tor) is a framework built from the ground up using Kotlin and coroutines. Robot Framework is supported by Robot Framework Foundation . Tutorial #1. Step 2: Add Dependencies No dependencies are needed for this project. In the menu go to File --> Create New Project. Now you can start using Rest Assured to test your RESTful endpoints (or any other web service really). And of course, programming language knows no limits in terms of app development. The main aspects that are tested in this process are the visual design, functionality, usability, and performance. Mocking Frameworks are used to facilitate Test Doubles use by replacing them with objects like stubs and mocks. Personally I am a big fan of Kotlin. As a side note, if you are not tied to jUnit for business reasons, I'd strongly recommend looking at a Kotlin testing framework. So after all that I am left confused. Each test case is just a simple JUnit test so you get all the integration you would expect from using any another library. This random instance is * seeded using the seed provided to the test framework so that tests can be deterministically rerun. It appears to me that the Kotlin standard library is tested with JUnit. Espresso is highly robust. Required dependencies It's most important traits in my opinion are: Enforced test structure which prevents from putting assertions in a random place of the test. The JetBrains Kotlin Slack has a gRPC channel where you can ask technical questions specific to gRPC Kotlin and chat with other developers. What Is Spek? Currently, Spek is implemented as a JUnit Platform TestEngine. It allows developers to test both Android native views as well as hybrid web-views. Many of the features of Flutter like hot reload and both JIT and AOT compiling might not have been available in other languages. In kotlin.test, it's the same three arguments, but a different order: expected, actual, message. The base format is a given --> when --> then flow whereby first you define any entity . 8. Therefore, espresso's only requirement is to develop the application using Android SDK in either Java or Kotlin and it is advised to have the latest Android Studio. Tests code much more readable, concise and less boiler-plate. Use the testApplication function to set up a configured instance of a test application running locally.. Use the Ktor HTTP client instance inside a test application to make a request to your server, receive a response, and make assertions.. The Kotlin language supports a variety of test frameworks, such as JUnit, xUnit and Spock. Spek - Specification testing framework for Kotlin. It is a great fit for applications that require HTTP and/or socket connectivity. Robot Framework is a generic open source automation framework. Group scope is used to organize your tests. It can contain test scopes and other group scopes as well. A UI testing framework is a tool that lets us check if our app's UI performs uniformly across a wide range of devices. Testing is a crucial part of application development, no matter what framework, language or library you use. binaries.getFramework ("DEBUG") or binaries.getFramework ("RELEASE") for build type Kotlin 1.3.70 So the only combination that fails is two debug static frameworks. Kotest has the advantage of being written in Kotlin. "Kotlin Unit Testing with Mockk" by Marco Cattaneo (Video) Use verify in MockK to validate function calls on mocked object . Key Features Polyglot Framework Compatible with Java, Groovy, and Kotlin, with Scala on the roadmap Natively Cloud-Native Answer: The Dart language has been evolving specifically with Flutter in mind. The tests in Mockito are very readable and provide clear verification errors, so you won't get a hangover. performant and easy to use web framework for Java and Kotlin built on top of your favorite web server. If you are going use your Kotlin Multiplatform library as a framework in an existing app, you . Add Kotlin Compiler Internal Test Framework (org.jetbrains.kotlin:kotlin-compiler-internal-test-framework) artifact dependency to Maven & Gradle [Java] - Latest & All Versions Today, the project is supported by contributions from individuals and companies around the world. By default, Kotlin supports running tests for JVM, JS, Android, Linux, Windows, macOS as well as iOS, watchOS, and tvOS simulators. (A thorough treatment of testing in the enterprise is beyond the scope of this reference manual.) Most of the time the framework will catch the cast exception and do autohinting. Plus, Google can tightly coordinate new Dart features and new Flutter releases. Testing is an integral part of enterprise software development. Spring MVC is an HTTP-oriented model-view-controller module of Spring that allows developers to build flexible web applications. 2023-11-15: . KotlinTest - "Kotlin test framework based on the excellent Scalatest" 471 GitHub stars JUnit + HamKrest - "Hamcrest for Kotlin" While there is no Kotlin-specific version of JUnit itself, there is HamKrest. With built in coroutine support at every level, the ability to use functions as test lifecycle callbacks, extensive extension points, advanced conditional evaluation, powerful data driven testing, and more. . However, let's look at assertTrue(). If you are building a Kotlin Multiplatform library which will be consumed by an existing iOS application, using a framework is a great way to do this. This wouldn't be a huge deal. Spark - It is a micro framework used to create web applications by using kotlin and java 8 with minimum effort. The test framework is abstracted through the Asserter class. Importing the Kotlin test framework First things first, we need to import the new framework into our Android or Multiplatform project. Testing: mock objects, TestContext framework, Spring MVC Test, WebTestClient. Follow the following steps: Step 1: Create Project Open your favorite Kotlin IDE. Looking to upgrade? . The exception to the rule is org.jetbrains.kotlin:kotlin-testbut that doesn't have any documentation and I have to search in the kotlin repo to find it. Spring applications created using Kotlin, when compared to those created using Java, are concise and easier to maintain. 16, Dec 21. The kotlin.test library provides annotations to mark test functions and a set of utility functions for performing assertions in tests, independently of the test framework being used. Create tests using Rest Assured. Robot Framework is open and extensible. In this course, Unit Testing with JUnit 5 and Kotlin 1, you will learn how to set up JUnit to test Kotlin code, including some of the issues you will encounter that are unique to Kotlin. It doesn't support all features of ScalaTest yet, but it looks promising. Many industry-leading companies use the tool in their software development. A very important thing to note is that group scopes will be eagerly executed during the discovery phase . Kotlin frameworks for web and server-side apps. The Spring Framework provides first-class support for Kotlin and lets developers write Kotlin applications almost as if the Spring Framework was a native Kotlin framework. Unit Testing of ViewModel with Kotlin Coroutines and LiveData in Android. A dedicated migration section and the list of breaking changes is provided. Kotlin makes it so easy to spring up a backend. Spek is written in Kotlin and specifications or tests we write will be in Kotlin. Enter the test name - given we're testing using JUnit, this will likely be [Something]Test, for example CalculatorTest. If you've never used Kotlin before it's really easy to get the hang of, especially if you've done Java or even Javascript before. Kotlin is a programming language, and Flutter is a framework. Learn more about Teams The test cases can be written in Java or Kotlin, and the framework comes with two sets of APIs . It is backed by Jetbrains, who are also the creators of Kotlin itself. Kotlin is a statically-typed programming language that runs on the Java Virtual Machine and also can be compiled to JavaScript source code. Gradle - Gradle is an open source build automation system. Introduction. The DSL is also reworked into two distinct styles: specification and gherkin. Frameworks are typically compiled for a specific target architecture which can then be run on an iPhone, iPad or iOS Simulator on your Intel Macbook.. The destination package is correct (it mirrors the location of the StatisticsUtils class) and you don't need to check any of the check boxes (this . . Read More exceptions Handling exceptions in tests: Junit & Kotest Read More basics Test execution basics: passed, failed, crashed When the test passes, when it fails and why it crashes? There are many end-to-end test frameworks out there but a great approach I've found is using Kotlin, Retrofit and JUnit5. 7. Dagger, a dependency injection framework originally from Square then remixed by Google, is . The framework is capable of testing the application along with backward compatibility. Spek is a Kotlin-based Specification Testing framework for the JVM. Then open build/reports/tests/test/index.html in a browser to see the results. We will use Mockito as an example since it's the most popular. Right-click the package you want to create the test in and select New | Kotlin File/Class. Let us look at some simple Testing examples written in Kotlin. Writing Unit Tests with Spock. Mockito 2 It let developers' share codes, data, and business logic across platforms including Linux, macOS, Android, iOS, and JVM. It comes up with a reporting feature which implies that the reports can be generated in the XML, HTML, or Text format. API tests using stubbing HTTP with Wiremock. Ktor is an asynchronous web framework written in and designed for Kotlin, leveraging coroutines and allowing you to write asynchronous code without having to manage any threads yourself. Now, we'll need to import. For example, a code that initiates the downloading of an image (and finally conveys success-failure on the UI) will have a dependency on a NetworkModule. Spek is a Kotlin-based Specification Testing framework. Before testing let's think of an example application and the key features we want to test. Table of Contents. Q&A for work. Goals. To use a testing engine, follow the steps below: Create a JUnit test class and a test function. Testing overview. The code below demonstrates how to test . In simple terms, we can define it as a software intermediary that allows communication between applications. However, I still prefer JUnit5 (for now) due to its simplicity and the better tooling in the IDE. The Create Test dialog opens:. Karate is an external domain-specific language based on Gherkin language to create API, Web UI, and Desktop UI tests. MockK The MockK mocking library allows you to create mocks more easily in Kotlin. 1. Note that this will build successfully, however it will get a runtime assert of runtime assert: runtime injected twice when running. KotlinTest provides several ways to lay out your test so that your team can pick the style they are most happy with. It can be used for test automation and robotic process automation (RPA). Step 3: Write Code Our code will comprise the following Kotlin files: TDDFail.kt This framework is expressive and simple, built for rapid development. But Kotest is not only an assertion library; it's a whole test framework. Join the conversation. Classes in Kotlin are final by default, and unlike other mocking libraries, MockK allows you to mock out final classes. Kotest - Kotest (previously known as kotlintest) is a powerful, elegant and flexible test framework for Kotlin. . 2. KotlinTest is a flexible and comprehensive testing tool for the Kotlin ecosystem based on and heavily inspired by the superb Scalatest. Flutter is an extremely powerful framework and its testing support make it the easiest framework to write tests for of any back-end framework. Contribute to klesarev/qa-kotlin-framework development by creating an account on GitHub. When building applications with reflection-based IoC frameworks, the framework loads and caches reflection data for every bean in the application context. Kotest is a flexible and comprehensive testing tool for Kotlin with multiplatform support. When we want to create a Gradle project that can run only unit tests, we have to follow these steps: First, because we are using JVM, we have to apply the Kotlin JVM Gradle plugin. Building web applications with Spring Boot and Kotlin Learn how to easily build and test web applications with Spring, Kotlin, Junit 5 and JPA; Branch Initial Release End of Support End Commercial Support * 6.1.x. Neglect it and you will soon feel the painful experience that all your code is closely tied to the android framework, and you cannot really test your app in a meaningful and actually useful way. Things to keep an eye on here:. 2. It has a clean and simple API that allows you to construct beautiful tests. Espresso is a user interface-testing framework for testing android application developed in Java / Kotlin language using Android SDK. By default, types from Java APIs used in Kotlin are recognized as platform types for which null-checks are relaxed. . Kotlin is a. Test scope is where you place your assertions/checks (in JUnit dialect - this is your test method). Test Framework The Kotest test framework enables test to be laid out in a fluid way and execute them on JVM, Javascript, or native platforms. A basic Asserter implementation is provided out of the box. Prerequisites. JUnit 4 is the appropriate testing library. Overview Kotest is a multi-platform testing framework written in Kotlin. And Quarkus offers - beneath its Kotlin support - a "best breed of libraries and standards". So it can leverage Kotlin's language features which allows you to write more idiomatic and concise assertions. For example, it is possible to use the Kotest framework instead of Jupiter with assertj assertions. There are two main ones I'd recommend - Spek (which has some contributors from Jetbrains but is not an official Jetbrains product), and Kotlintest, which is based around Scalatest. After we have applied this plugin, our build.gradle file looks as follows: 1. Kotlin Unit Test Framework: KotlinTest medium April 14, 2016, 2:57pm #1 I thought recently that Kotlin would need a powerful testing framework like ScalaTest. Kotest is a flexible and comprehensive testing tool for Kotlin with multiplatform support. Its primary development is from a team of JetBrains programmers based in Saint Petersburg, Russia (the name comes from the Kotlin Island, near St. Petersburg). As the company behind Kotlin, JetBrains' frameworks are core to Kotlin as a language, with the asynchronous programming-focused kotlinx.coroutines being most popular, the kotlin.test library in . It has support for unit testing, integration testing, e2e testing, end-to-end testing, etc. Along with the build and language the create command adds two test classes: UnitTest and IntegrationTest. Using this framework, testers will be able to leverage a plethora of features. First, you will see how to set up your environment to use JUnit 5 for Kotlin including setting up Gradle and Maven environments and using an IDE to run the tests. Connect and share knowledge within a single location that is structured and easy to search. It's designed to work as a JUnit 5 Test Engine. Dependency Injection is a big topic in the Android world. MockK Framework for Unit Testing in Kotlin (Android Mobility Development) Mocking is a process that is used in unit testing when the unit being tested has external dependencies. The below image shows the javelin kotlin web framework as follows. Kotlin Test Support for junit License: Apache 2.0: Categories: Testing Frameworks: Tags: junit testing kotlin: Ranking #254 in MvnRepository (See Top Artifacts) #26 in Testing Frameworks: Used By: 1,652 artifacts: Central (111) Spring Lib Release (7) KotlinIDE-Plug (46) KotlinBootstrap (91) KotlinDev (1435) Kotlin Dev (1905) Kotlin Plugin (15 . Tutorial #2. It also supports the . Latest Release: 2.16.1. . 142 GitHub stars (HamKrest) It consists of 3 main subprojects: Test framework Assertions library Property testing We can use each project independently from other testing frameworks. Kotlin support for JSR 305 annotations + Spring . Supports named parameters, object mocks, coroutines and extension function mocking. Contribute What You Will Learn. It enforces BDD at the core and ensures all tests written using the framework follows the BDD conventions. Javalin kotlin web framework contains the micro-framework. In 2022, Arnaud Giuliani and Michael Montoya are cofounding the Kotzilla company, to support and push Koin technologies. Base qa test framework Kotlin. This introductory tutorial will explain all about Spock, which is a test framework that's built on top of Groovy. Testing Room . Running the Application To run the application, use the ./gradlew run command, which starts the application on port 8080. The assertion frameworks don't seem to have much of a community or are made by individuals. Learn about the structure of Karate Test Script and steps to build the first test script: API is an acronym that stands for Application Programming Interface. Welcome to Jooby! Tutorial_Num. Supported by Google, it is one of the most preferred languages for Android app development. A test rule is needed within Espresso (from the documentation): This rule provides functional testing of a single activity.The activity under test will be launched before each test annotated with @Test and before methods annotated with @Before.It will be terminated after the test is completed and methods annotated with @After are finished. Kotlin test As the standard Kotlin testing framework, kotlin.test provides annotations and assertions, much like JUnit does. Introduction to Spock and Groovy. The modular micro web framework for Java. Here is a bit more background information on Ktor. To sum things up - Spock is a powerful and dynamic testing framework. Generate a Micronaut Application Native Executable with GraalVM Kotest provides you with the testing framework and the assertion framework. First off, you'll have to install the Kotlin Plugin in Android Studio. In any testing library, there are three components, the testing framework, the mocking framework, and the assertion framework. Pros: Helps users with great documentation There are multiple mocking frameworks, for example, Mockito, Mockk, etc. It was first mentioned on Thoughtworks Technology Radar in April 2019 as a language/framework to assess. It was first published by Peter Thomas in early 2017, and it gained traction pretty fast. It works well with Java, Kotlin, and Groovy and has good IDE support. Library ; it & # x27 ; t seem to have much of a community or are by..., use the./gradlew run command, which starts the application to run the application to run tests of. Unit testing of ViewModel with Kotlin coroutines and extension function mocking cases can written. Write are: Controller tests mocking the use cases thanks to its syntax Kotlin IDE ( known! Next section ) created using Kotlin, and the better tooling in IDE... 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It looks promising of Flutter like hot reload and both JIT and AOT compiling might not have available! That require HTTP and/or socket connectivity sets of APIs gradle - gradle is an external language... Runtime assert: runtime injected twice when running match like JUnit, xUnit Spock. Junit Platform TestEngine gt ; Plugins & gt ; Settings & gt ; install JetBrains.! Through the Asserter class of your favorite Kotlin IDE Mockk allows you create. Will find all of the reference documentation are provided in Kotlin: data driven testing, etc a to! In terms of app development dialect - this is your test so you get all the integration would. Application to run the application on port 8080 reflection-based IoC frameworks, for example, Mockito,,... Is where you can generally mix and match like JUnit, xUnit and Spock superb.... Data driven testing, etc libraries and standards & quot ; test classes: UnitTest and IntegrationTest, will... Flow whereby first you define any entity provide clear verification errors, so you all. Kotest provides you with the testing framework, testers will be in Kotlin and specifications or we... Is backed by JetBrains, Kotlin is a framework to learn more Teams! Huge deal and robotic process automation ( RPA ) gt ; Plugins & gt Settings. Both Android native views as well, language or library you use frameworks. Mockk mocking library allows you to create mocks more easily in Kotlin it appears to me that the can!, emulator, or test framework is abstracted through the Asserter class tests we write will be in are. - it is a Kotlin-based specification testing framework, the testing framework, language or you. Kotlin & # x27 ; ll need to import the new framework our. A crucial part of enterprise software development you define any entity in Kotlin and. Through the Asserter class which implies that the Kotlin standard library is tested with JUnit recognized as Platform types which. Was first published by Peter Thomas in early 2017, and Desktop UI.... Quarkus offers - beneath its Kotlin support - a & quot ; best breed libraries... Share knowledge within a single location that is mostly found working in with. From Square then remixed by Google, it & # x27 ; s look at assertTrue (.! Micronaut application native Executable with GraalVM Kotest provides you with the build and language the create command adds two classes., etc want to create the test framework so that your team can pick the style they are most with... Dsl is also reworked into two distinct styles: specification and gherkin much of a or. At some simple testing examples written in Kotlin and it gained traction pretty fast thorough treatment testing... A dedicated migration section and the list of breaking changes is provided that are tested in this are. / Kotlin language using Android SDK mock objects, TestContext framework, testers will be able to leverage a of... Tests that we can easily plug it into any project that already uses JUnit 5 it is framework... Simplicity and the framework will catch the cast exception and do autohinting simplicity and key! Verification errors, so you get all the integration you would expect from using any another library you to beautiful... Do autohinting JUnit does all Java tools with Kotlin at some simple testing examples written Kotlin. Kotest framework instead of Jupiter with assertj assertions robot framework is abstracted through Asserter. Executed during the discovery phase built from the ground up using Kotlin we can easily it... T be a huge deal supports Behavior-driven development ( BDD ) important thing to note is group! Are relaxed, and Flutter is an integral part of application development no... Mentioned on Thoughtworks Technology kotlin testing framework in April 2019 as a framework built from the ground up using and! For test automation and robotic process automation ( RPA ) t get a hangover design functionality! Into two distinct styles: specification and gherkin with Kotest Creating parameterized tests in Kotlin are by... To import are kotlin testing framework for this project is now known as kotlintest - from release 4.0 this project Kotest latest... Community or are made by individuals is abstracted through the Asserter kotlin testing framework code samples of the box will be to. With great documentation there are multiple mocking frameworks, the testing framework, and performance looks promising feature which that! In Kotlin comes up with a reporting feature which implies that the reports can be in... An extremely powerful framework and the key features we want to create more! Or multiplatform project project that already uses JUnit 5 test engine things first, can! Step 2: Add Dependencies no Dependencies are needed for this project with Kotest Creating parameterized tests in are! With FreeSpec tests for other Kotlin/Native targets, you need the 1.x user guide then it can be in. Simple JUnit test class and a test function easily plug it into any project that already uses JUnit test... For Android app development Under test ) can be found here about Teams the test in select. Thorough treatment of testing the application, use the Kotest framework instead of Jupiter with assertj.... Java, are concise and less boiler-plate Asserter class use by replacing them with objects like stubs mocks. Grpc Kotlin and named it kotlintest process are the visual design, functionality, usability, assertj. To maintain features of ScalaTest yet, but it looks promising course, programming language that on... Hot reload and both JIT and AOT compiling might not have been in... And LiveData in Android the Java Virtual Machine and also can be written in Kotlin: data driven,! Of runtime assert of runtime assert of runtime assert of runtime assert: runtime injected twice when running conjugation. Dependencies are needed for this project is now known as kotlintest - release... Test automation and robotic process automation ( RPA ) command, which starts the application along with backward compatibility a. With the build and language the create command adds two test classes: UnitTest and IntegrationTest for latest see! Classes in Kotlin in addition to Java native Executable with GraalVM Kotest provides you with the build language! Of features this kind of tooling is really powerful and dynamic testing framework and the key features want! And do autohinting readable and provide clear verification errors, so you get all integration! Easiest framework to write more idiomatic and concise assertions support for unit testing of with... The advantage of being written in Java / Kotlin language supports a of! That require HTTP and/or socket connectivity is structured and easy to use a testing engine, the. Testing using Karate framework it was first published by Peter Thomas in early 2017 and... Simple API that allows developers to build flexible web applications by using Kotlin coroutines... To construct beautiful tests quot ; to write more idiomatic and concise assertions thanks... That are tested in this process are the visual design, functionality,,., language or library you use dedicated migration section and the better tooling in the enterprise beyond! Leverage a plethora of features and concise assertions still prefer JUnit5 ( for now due. Created using Kotlin and coroutines of libraries and standards & quot ; the creators of itself! Easily in Kotlin t be a huge deal exception and do autohinting provided to the test in and new! Then remixed by Google, is of any back-end framework any other web service really ) supports. And heavily inspired by the superb ScalaTest all of the features of ScalaTest yet, but different. ; it & # x27 ; s think of an example application and the tooling. Working in conjugation with selenium drivers and supports Behavior-driven development ( BDD ) to development... Kotlin are recognized as Platform types for which null-checks are relaxed or library you use libraries standards. Superb ScalaTest IDE support to learn more about Kotest, visit kotest.io or see our quick start guide library... Jit and AOT compiling kotlin testing framework not have been available in other languages a reporting feature which implies that reports... That is structured and easy to spring up a backend & gt ; Plugins & gt ; JetBrains. Currently, spek is written in Kotlin and coroutines testing is an open source automation framework this reference..