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WebClientExtensionsTests.kt
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WebClientExtensionsTests.kt
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/*
* Copyright 2002-2021 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.client
import io.mockk.every
import io.mockk.mockk
import io.mockk.verify
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.toList
import kotlinx.coroutines.runBlocking
import org.assertj.core.api.Assertions.assertThat
import org.junit.jupiter.api.Test
import org.reactivestreams.Publisher
import org.springframework.core.ParameterizedTypeReference
import org.springframework.http.ResponseEntity
import reactor.core.publisher.Flux
import reactor.core.publisher.Mono
import java.util.concurrent.CompletableFuture
import java.util.function.Function
/**
* Mock object based tests for [WebClient] Kotlin extensions
*
* @author Sebastien Deleuze
*/
class WebClientExtensionsTests {
private val requestBodySpec = mockk<WebClient.RequestBodySpec>(relaxed = true)
private val responseSpec = mockk<WebClient.ResponseSpec>(relaxed = true)
@Test
fun `RequestBodySpec#body with Publisher and reified type parameters`() {
val body = mockk<Publisher<List<Foo>>>()
requestBodySpec.body(body)
verify { requestBodySpec.body(body, object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `RequestBodySpec#body with Flow and reified type parameters`() {
val body = mockk<Flow<List<Foo>>>()
requestBodySpec.body(body)
verify { requestBodySpec.body(ofType<Any>(), object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `RequestBodySpec#body with CompletableFuture and reified type parameters`() {
val body = mockk<CompletableFuture<List<Foo>>>()
requestBodySpec.body<List<Foo>>(body)
verify { requestBodySpec.body(ofType<Any>(), object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `ResponseSpec#bodyToMono with reified type parameters`() {
responseSpec.bodyToMono<List<Foo>>()
verify { responseSpec.bodyToMono(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `ResponseSpec#bodyToFlux with reified type parameters`() {
responseSpec.bodyToFlux<List<Foo>>()
verify { responseSpec.bodyToFlux(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `bodyToFlow with reified type parameters`() {
responseSpec.bodyToFlow<List<Foo>>()
verify { responseSpec.bodyToFlux(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
@Suppress("DEPRECATION")
fun awaitExchange() {
val response = mockk<ClientResponse>()
every { requestBodySpec.exchange() } returns Mono.just(response)
runBlocking {
assertThat(requestBodySpec.awaitExchange()).isEqualTo(response)
}
}
@Test
fun `awaitExchange with function parameter`() {
val foo = mockk<Foo>()
every { requestBodySpec.exchangeToMono(any<Function<ClientResponse, Mono<Foo>>>()) } returns Mono.just(foo)
runBlocking {
assertThat(requestBodySpec.awaitExchange { foo }).isEqualTo(foo)
}
}
@Test
fun exchangeToFlow() {
val foo = mockk<Foo>()
every { requestBodySpec.exchangeToFlux(any<Function<ClientResponse, Flux<Foo>>>()) } returns Flux.just(foo, foo)
runBlocking {
assertThat(requestBodySpec.exchangeToFlow {
flow {
emit(foo)
emit(foo)
}
}.toList()).isEqualTo(listOf(foo, foo))
}
}
@Test
fun awaitBody() {
val spec = mockk<WebClient.ResponseSpec>()
every { spec.bodyToMono<String>() } returns Mono.just("foo")
runBlocking {
assertThat(spec.awaitBody<String>()).isEqualTo("foo")
}
}
@Test
fun `awaitBody of type Unit`() {
val spec = mockk<WebClient.ResponseSpec>()
val entity = mockk<ResponseEntity<Void>>()
every { spec.toBodilessEntity() } returns Mono.just(entity)
runBlocking {
assertThat(spec.awaitBody<Unit>()).isEqualTo(Unit)
}
}
@Test
fun awaitBodyOrNull() {
val spec = mockk<WebClient.ResponseSpec>()
every { spec.bodyToMono<String>() } returns Mono.just("foo")
runBlocking {
assertThat(spec.awaitBodyOrNull<String>()).isEqualTo("foo")
}
}
@Test
fun `awaitBodyOrNull of type Unit`() {
val spec = mockk<WebClient.ResponseSpec>()
val entity = mockk<ResponseEntity<Void>>()
every { spec.toBodilessEntity() } returns Mono.just(entity)
runBlocking {
assertThat(spec.awaitBodyOrNull<Unit>()).isEqualTo(Unit)
}
}
@Test
fun awaitBodilessEntity() {
val spec = mockk<WebClient.ResponseSpec>()
val entity = mockk<ResponseEntity<Void>>()
every { spec.toBodilessEntity() } returns Mono.just(entity)
runBlocking {
assertThat(spec.awaitBodilessEntity()).isEqualTo(entity)
}
}
@Test
fun `ResponseSpec#toEntity with reified type parameters`() {
responseSpec.toEntity<List<Foo>>()
verify { responseSpec.toEntity(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `ResponseSpec#toEntityList with reified type parameters`() {
responseSpec.toEntityList<List<Foo>>()
verify { responseSpec.toEntityList(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
@Test
fun `ResponseSpec#toEntityFlux with reified type parameters`() {
responseSpec.toEntityFlux<List<Foo>>()
verify { responseSpec.toEntityFlux(object : ParameterizedTypeReference<List<Foo>>() {}) }
}
class Foo
}