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KotlinBodyInsertersTests.kt
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KotlinBodyInsertersTests.kt
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/*
* Copyright 2002-2024 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.reactive.function
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import org.springframework.core.ParameterizedTypeReference
import org.springframework.http.codec.EncoderHttpMessageWriter
import org.springframework.http.codec.HttpMessageWriter
import org.springframework.http.codec.json.KotlinSerializationJsonEncoder
import org.springframework.http.server.reactive.ServerHttpRequest
import org.springframework.web.testfixture.http.server.reactive.MockServerHttpResponse
import reactor.test.StepVerifier
import java.util.*
/**
* @author Sebastien Deleuze
*/
class KotlinBodyInsertersTests {
private lateinit var context: BodyInserter.Context
private lateinit var hints: Map<String, Any>
@BeforeEach
fun createContext() {
val messageWriters: MutableList<HttpMessageWriter<*>> = ArrayList()
val jsonEncoder = KotlinSerializationJsonEncoder()
messageWriters.add(EncoderHttpMessageWriter(jsonEncoder))
this.context = object : BodyInserter.Context {
override fun messageWriters(): List<HttpMessageWriter<*>> {
return messageWriters
}
override fun serverRequest(): Optional<ServerHttpRequest> {
return Optional.empty()
}
override fun hints(): Map<String, Any> {
return hints
}
}
this.hints = HashMap()
}
@Test
fun ofObjectWithBodyType() {
val somebody = SomeBody(1, "name")
val body = listOf(somebody)
val inserter = BodyInserters.fromValue(body, object: ParameterizedTypeReference<List<SomeBody>>() {})
val response = MockServerHttpResponse()
val result = inserter.insert(response, context)
StepVerifier.create(result).expectComplete().verify()
StepVerifier.create(response.bodyAsString)
.expectNext("[{\"user_id\":1,\"name\":\"name\"}]")
.expectComplete()
.verify()
}
@Serializable
data class SomeBody(@SerialName("user_id") val userId: Int, val name: String)
}