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Kotlin Design Patterns and Best Practices

You're reading from   Kotlin Design Patterns and Best Practices Build scalable applications using traditional, reactive, and concurrent design patterns in Kotlin

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Product type Paperback
Published in Jan 2022
Publisher Packt
ISBN-13 9781801815727
Length 356 pages
Edition 2nd Edition
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Author (1):
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Alexey Soshin Alexey Soshin
Author Profile Icon Alexey Soshin
Alexey Soshin
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Classical Patterns
2. Chapter 1: Getting Started with Kotlin FREE CHAPTER 3. Chapter 2: Working with Creational Patterns 4. Chapter 3: Understanding Structural Patterns 5. Chapter 4: Getting Familiar with Behavioral Patterns 6. Section 2: Reactive and Concurrent Patterns
7. Chapter 5: Introducing Functional Programming 8. Chapter 6: Threads and Coroutines 9. Chapter 7: Controlling the Data Flow 10. Chapter 8: Designing for Concurrency 11. Section 3: Practical Application of Design Patterns
12. Chapter 9: Idioms and Anti-Patterns 13. Chapter 10: Concurrent Microservices with Ktor 14. Chapter 11: Reactive Microservices with Vert.x 15. Assessments 16. Other Books You May Enjoy

Testing the service

To write our first test, let's create a new file called ServerTest.kt under the src/test/kotlin directory.

Now, let's add a new dependency:

dependencies {
    ...
    testImplementation("io.ktor:ktor-server-
        tests:$ktorVersion")
}

Next, let's add the following contents to our ServerTest.kt file:

internal class ServerTest {
    @Test
    fun testStatus() {
        withTestApplication {
            val response = handleRequest(HttpMethod.Get,                 "/status").response
            assertEquals(HttpStatusCode.OK,       ...
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