Hands-On Object-Oriented Programming with Kotlin

The describe and it blocks

This style differs from the previous one by using the describe block. The describe block is also used to define a context but we can also nest one describe block into another to provide a more detailed context. Let's create the DescribeStyleToDoSpek object to demonstrate this. Initially, it may look as follows:

@RunWith(JUnitPlatform::class)object DescribeStyleToDoSpek : Spek({    describe("a storage") {        val storage = ToDoStorage()        on("set a todo with with args: name and context") {            val todo = ToDo("name", "content")            val result = storage.set("name", todo)            it("returns true") {                assert(result)            }        }        on("""get a todo by "name" key""") {            val todo = storage["name"]            it("""returns a todo with "content" """) {                assertEquals(