diff options
Diffstat (limited to 'rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java')
| -rw-r--r-- | rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java | 263 |
1 files changed, 245 insertions, 18 deletions
diff --git a/rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java b/rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java index 6f3a0909..daf04c6e 100644 --- a/rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java +++ b/rest-services/http-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/RxHttpClientIT.java @@ -2,7 +2,7 @@ * ============LICENSE_START==================================== * DCAEGEN2-SERVICES-SDK * ========================================================= - * Copyright (C) 2019-2020 Nokia. All rights reserved. + * Copyright (C) 2019-2021 Nokia. All rights reserved. * ========================================================= * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -22,33 +22,55 @@ package org.onap.dcaegen2.services.sdk.rest.services.adapters.http; import io.netty.handler.codec.http.HttpResponseStatus; import io.netty.handler.timeout.ReadTimeoutException; +import io.vavr.Tuple; +import io.vavr.collection.HashSet; import org.junit.jupiter.api.AfterAll; -import org.junit.jupiter.api.BeforeAll; import org.junit.jupiter.api.Test; +import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRetryConfig; +import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRxHttpClientConfig; import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.exceptions.HttpException; import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer; import reactor.core.publisher.Mono; import reactor.test.StepVerifier; +import java.net.ConnectException; import java.net.MalformedURLException; import java.net.URL; import java.time.Duration; +import java.util.concurrent.atomic.AtomicInteger; import static org.assertj.core.api.Assertions.assertThat; +import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer.sendInOrderWithDelay; import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer.sendString; class RxHttpClientIT { private static final Duration TIMEOUT = Duration.ofHours(5); - private final RxHttpClient cut = RxHttpClientFactory.create(); - private static DummyHttpServer httpServer; - - @BeforeAll - static void setUpClass() { - httpServer = DummyHttpServer.start(routes -> routes - .get("/sample-get", (req, resp) -> sendString(resp, Mono.just("OK"))) - .get("/delayed-get", (req, resp) -> sendString(resp, Mono.just("OK").delayElement(Duration.ofMinutes(1)))) + private static final Duration NO_DELAY = Duration.ofSeconds(0); + private static final int RETRY_COUNT = 1; + private static final int EXPECTED_REQUESTS_WHEN_RETRY = RETRY_COUNT + 1; + private static final DummyHttpServer HTTP_SERVER = initialize(); + private static final DummyHttpServer DISPOSED_HTTP_SERVER = initialize().closeAndGet(); + private static final Mono<String> OK = Mono.just("OK"); + private static final Duration RETRY_INTERVAL = Duration.ofMillis(1); + private static AtomicInteger REQUEST_COUNTER; + + private static DummyHttpServer initialize() { + return DummyHttpServer.start(routes -> routes + .get("/sample-get", (req, resp) -> sendString(resp, OK)) + .get("/delay-get", (req, resp) -> + sendInOrderWithDelay(REQUEST_COUNTER, Tuple.of(resp, 200, Duration.ofSeconds(3)))) .get("/sample-get-500", (req, resp) -> resp.status(HttpResponseStatus.INTERNAL_SERVER_ERROR).send()) + .get("/retry-get-500", (req, resp) -> + sendInOrderWithDelay(REQUEST_COUNTER, + Tuple.of(resp, 500, NO_DELAY), Tuple.of(resp, 500, NO_DELAY))) + .get("/retry-get-400", (req, resp) -> + sendInOrderWithDelay(REQUEST_COUNTER, Tuple.of(resp, 400, NO_DELAY))) + .get("/retry-get-500-200", (req, resp) -> + sendInOrderWithDelay(REQUEST_COUNTER, + Tuple.of(resp, 500, NO_DELAY), Tuple.of(resp, 200, NO_DELAY))) + .get("/retry-get-200", (req, resp) -> + sendInOrderWithDelay(REQUEST_COUNTER, Tuple.of(resp, 200, NO_DELAY))) .post("/headers-post", (req, resp) -> resp .sendString(Mono.just(req.requestHeaders().toString()))) .post("/echo-post", (req, resp) -> resp.send(req.receive().retain())) @@ -57,12 +79,7 @@ class RxHttpClientIT { @AfterAll static void tearDownClass() { - httpServer.close(); - } - - private ImmutableHttpRequest.Builder requestFor(String path) throws MalformedURLException { - return ImmutableHttpRequest.builder() - .url(new URL("http", httpServer.host(), httpServer.port(), path).toString()); + HTTP_SERVER.close(); } @Test @@ -71,6 +88,7 @@ class RxHttpClientIT { final HttpRequest httpRequest = requestFor("/sample-get") .method(HttpMethod.GET) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(); // when final Mono<String> bodyAsString = cut.call(httpRequest) @@ -90,6 +108,7 @@ class RxHttpClientIT { final HttpRequest httpRequest = requestFor("/sample-get-500") .method(HttpMethod.GET) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(); // when final Mono<String> bodyAsString = cut.call(httpRequest) @@ -110,6 +129,7 @@ class RxHttpClientIT { .method(HttpMethod.POST) .body(RequestBody.fromString(requestBody)) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(); // when final Mono<String> bodyAsString = cut.call(httpRequest) @@ -131,6 +151,7 @@ class RxHttpClientIT { .method(HttpMethod.POST) .body(RequestBody.chunkedFromString(Mono.just(requestBody))) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(); // when final Mono<String> bodyAsString = cut.call(httpRequest) @@ -155,6 +176,7 @@ class RxHttpClientIT { .method(HttpMethod.POST) .body(RequestBody.fromString(requestBody)) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(); // when final Mono<String> bodyAsString = cut.call(httpRequest) @@ -174,10 +196,12 @@ class RxHttpClientIT { @Test void getWithTimeoutError() throws Exception { // given - final HttpRequest httpRequest = requestFor("/delayed-get") + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/delay-get") .method(HttpMethod.GET) - .timeout(Duration.ofSeconds(1)) + .timeout(Duration.ofMillis(1)) .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder().build()); // when final Mono<HttpResponse> response = cut.call(httpRequest); @@ -186,5 +210,208 @@ class RxHttpClientIT { StepVerifier.create(response) .expectError(ReadTimeoutException.class) .verify(TIMEOUT); + assertNoServerResponse(); + } + + @Test + void getWithRetryExhaustedExceptionWhenClosedServer() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestForClosedServer("/sample-get") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .customRetryableExceptions(HashSet.of(ConnectException.class)) + .build()) + .build()); + + // when + final Mono<HttpResponse> response = cut.call(httpRequest); + + // then + StepVerifier.create(response) + .expectError(IllegalStateException.class) + .verify(TIMEOUT); + assertNoServerResponse(); + } + + @Test + void getWithCustomRetryExhaustedExceptionWhenClosedServer() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestForClosedServer("/sample-get") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .customRetryableExceptions(HashSet.of(ConnectException.class)) + .onRetryExhaustedException(ReadTimeoutException.INSTANCE) + .build()) + .build()); + + // when + final Mono<HttpResponse> response = cut.call(httpRequest); + + // then + StepVerifier.create(response) + .expectError(ReadTimeoutException.class) + .verify(TIMEOUT); + assertNoServerResponse(); + } + + @Test + void getWithRetryExhaustedExceptionWhen500() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/retry-get-500") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .retryableHttpResponseCodes(HashSet.of(500)) + .build()) + .build()); + + // when + final Mono<HttpResponse> response = cut.call(httpRequest); + + // then + StepVerifier.create(response) + .expectError(IllegalStateException.class) + .verify(TIMEOUT); + assertRetry(); + } + + @Test + void getWithCustomRetryExhaustedExceptionWhen500() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/retry-get-500") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .onRetryExhaustedException(ReadTimeoutException.INSTANCE) + .retryableHttpResponseCodes(HashSet.of(500)) + .build()) + .build()); + + // when + final Mono<HttpResponse> response = cut.call(httpRequest); + + // then + StepVerifier.create(response) + .expectError(ReadTimeoutException.class) + .verify(TIMEOUT); + assertRetry(); + } + + @Test + void getWithRetryWhen500AndThen200() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/retry-get-500-200") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .retryableHttpResponseCodes(HashSet.of(500)) + .build()) + .build()); + + // when + final Mono<String> bodyAsString = cut.call(httpRequest) + .doOnNext(HttpResponse::throwIfUnsuccessful) + .map(HttpResponse::bodyAsString); + + // then + StepVerifier.create(bodyAsString) + .expectNext("OK") + .expectComplete() + .verify(TIMEOUT); + assertRetry(); + } + + @Test + void getWithoutRetryWhen200() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/retry-get-200") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .retryableHttpResponseCodes(HashSet.of(500)) + .build()) + .build()); + + // when + final Mono<String> bodyAsString = cut.call(httpRequest) + .doOnNext(HttpResponse::throwIfUnsuccessful) + .map(HttpResponse::bodyAsString); + + // then + StepVerifier.create(bodyAsString) + .expectNext("OK") + .expectComplete() + .verify(TIMEOUT); + assertNoRetry(); + } + + @Test + void getWithoutRetryWhen400() throws Exception { + // given + REQUEST_COUNTER = new AtomicInteger(); + final HttpRequest httpRequest = requestFor("/retry-get-400") + .method(HttpMethod.GET) + .build(); + final RxHttpClient cut = RxHttpClientFactory.create(ImmutableRxHttpClientConfig.builder() + .retryConfig(defaultRetryConfig() + .retryableHttpResponseCodes(HashSet.of(500)) + .build()) + .build()); + + // when + Mono<HttpResponse> result = cut.call(httpRequest); + + // then + StepVerifier.create(result) + .consumeNextWith(this::assert400) + .expectComplete() + .verify(TIMEOUT); + assertNoRetry(); + } + + private ImmutableHttpRequest.Builder requestFor(String path) throws MalformedURLException { + return ImmutableHttpRequest.builder() + .url(new URL("http", HTTP_SERVER.host(), HTTP_SERVER.port(), path).toString()); + } + + private ImmutableHttpRequest.Builder requestForClosedServer(String path) throws MalformedURLException { + return ImmutableHttpRequest.builder() + .url(new URL("http", DISPOSED_HTTP_SERVER.host(), DISPOSED_HTTP_SERVER.port(), path).toString()); + } + + private ImmutableRetryConfig.Builder defaultRetryConfig() { + return ImmutableRetryConfig.builder() + .retryCount(RETRY_COUNT) + .retryInterval(RETRY_INTERVAL); + } + + private void assertRetry() { + assertThat(REQUEST_COUNTER.get()).isEqualTo(EXPECTED_REQUESTS_WHEN_RETRY); + } + + private void assertNoRetry() { + assertThat(REQUEST_COUNTER.get()).isOne(); + } + + private void assertNoServerResponse() { + assertThat(REQUEST_COUNTER.get()).isZero(); + } + + private void assert400(HttpResponse httpResponse) { + assertThat(httpResponse.statusCode()).isEqualTo(400); } } |