RestClientTest.kt

class RestClientTest {

    @Inject
    @field: RestClient
    lateinit var postService: PostService

    @Inject
    @field: RestClient
    lateinit var commentService: CommentService

    @Test
    fun test() {
        Assertions.assertNotNull(postService)
        Assertions.assertNotNull(commentService)
        println(postService.get())
        println(commentService.get())
    }

    @RegisterRestClient(baseUri = "https://jsonplaceholder.typicode.com/posts/1")
    interface PostService {

        @GET
        @Produces("application/json")
        fun get(): String
    }

    @RegisterRestClient(baseUri = "https://jsonplaceholder.typicode.com/comments/1")
    interface CommentService {

        @GET
        @Produces("application/json")
        fun get(): String
    }
  }