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Issue helidon-io#7102 - WebClient should have a mode that is resilien…
…t to bad media/content types (helidon-io#9040)
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...tegration/webclient/src/test/java/io/helidon/tests/integration/webclient/HeadersTest.java
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| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. | ||
| * | ||
| * 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 | ||
| * | ||
| * http://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 io.helidon.tests.integration.webclient; | ||
|
|
||
| import java.util.Optional; | ||
| import java.util.concurrent.CompletionException; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
|
|
||
| import io.helidon.common.http.Http; | ||
| import io.helidon.common.http.MediaType; | ||
| import io.helidon.webclient.WebClient; | ||
| import io.helidon.webclient.WebClientResponse; | ||
| import io.helidon.webserver.Routing; | ||
| import io.helidon.webserver.ServerRequest; | ||
| import io.helidon.webserver.ServerResponse; | ||
| import io.helidon.webserver.WebServer; | ||
|
|
||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
||
| import static org.hamcrest.CoreMatchers.containsString; | ||
| import static org.hamcrest.CoreMatchers.instanceOf; | ||
| import static org.hamcrest.CoreMatchers.is; | ||
| import static org.hamcrest.CoreMatchers.notNullValue; | ||
| import static org.hamcrest.MatcherAssert.assertThat; | ||
| import static org.junit.jupiter.api.Assertions.fail; | ||
|
|
||
| public class HeadersTest { | ||
|
|
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| private static final String INVALID_CONTENT_TYPE_VALUE = "invalid header value"; | ||
| private static final String INVALID_CONTENT_TYPE_TEXT = "text"; | ||
| private static final String RELAXED_CONTENT_TYPE_TEXT = "text/plain"; | ||
|
|
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| private static WebServer server; | ||
| private static WebClient client; | ||
|
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| @BeforeAll | ||
| static void beforeAll() throws ExecutionException, InterruptedException, TimeoutException { | ||
| server = WebServer.builder( | ||
| Routing.builder() | ||
| .get("/invalidContentType", HeadersTest::invalidContentType) | ||
| .get("/invalidTextContentType", HeadersTest::invalidTextContentType) | ||
| .build() | ||
| ) | ||
| .build(); | ||
| server.start() | ||
| .toCompletableFuture() | ||
| .get(10, TimeUnit.SECONDS); | ||
|
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| client = WebClient.builder() | ||
| .baseUri("http://localhost:" + server.port()) | ||
| .validateHeaders(false) | ||
| .keepAlive(true) | ||
| .build(); | ||
| } | ||
|
|
||
| // HTTP service with invalid Content-Type | ||
| private static void invalidContentType(ServerRequest request, ServerResponse response) { | ||
| response.addHeader(Http.Header.CONTENT_TYPE, INVALID_CONTENT_TYPE_VALUE) | ||
| .send(); | ||
| } | ||
|
|
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| // HTTP service with Content-Type: text instead of text/plain | ||
| private static void invalidTextContentType(ServerRequest request, ServerResponse response) { | ||
| response.addHeader(Http.Header.CONTENT_TYPE, INVALID_CONTENT_TYPE_TEXT) | ||
| .send(); | ||
| } | ||
|
|
||
| @AfterAll | ||
| static void afterAll() throws ExecutionException, InterruptedException, TimeoutException { | ||
| if (server != null) { | ||
| server.shutdown() | ||
| .toCompletableFuture() | ||
| .get(10, TimeUnit.SECONDS); | ||
| } | ||
| } | ||
|
|
||
| // Verify that invalid content type causes an exception when being parsed | ||
| @Test | ||
| void testInvalidContentType() { | ||
| try { | ||
| client.get() | ||
| .path("/invalidContentType") | ||
| .request() | ||
| .await(10, TimeUnit.SECONDS); | ||
| fail("WebClient shall throw an exception"); | ||
| } catch (Exception ex) { | ||
| assertThat(ex, is(instanceOf(CompletionException.class))); | ||
| Throwable cause = ex.getCause(); | ||
| assertThat(cause, is(notNullValue())); | ||
| assertThat(cause, is(instanceOf(IllegalArgumentException.class))); | ||
| assertThat(cause.getMessage(), containsString(INVALID_CONTENT_TYPE_VALUE)); | ||
| } | ||
| } | ||
|
|
||
| // Verify that "text" content type causes an exception when being parsed in strict mode | ||
| @Test | ||
| void testInvalidTextContentTypeStrict() { | ||
| try { | ||
| client.get() | ||
| .path("/invalidTextContentType") | ||
| .request() | ||
| .await(10, TimeUnit.SECONDS); | ||
| } catch (Exception ex) { | ||
| assertThat(ex, is(instanceOf(CompletionException.class))); | ||
| Throwable cause = ex.getCause(); | ||
| assertThat(cause, is(notNullValue())); | ||
| assertThat(cause, is(instanceOf(IllegalArgumentException.class))); | ||
| assertThat(cause.getMessage(), containsString(INVALID_CONTENT_TYPE_TEXT)); | ||
| } | ||
| } | ||
|
|
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| // Verify that "text" content type is transformed to "text/plain" in relaxed mode | ||
| @Test | ||
| void testInvalidTextContentTypeRelaxed() { | ||
| WebClient client = WebClient.builder() | ||
| .baseUri("http://localhost:" + server.port()) | ||
| .validateHeaders(false) | ||
| .keepAlive(true) | ||
| .mediaTypeParserRelaxed(true) | ||
| .build(); | ||
| WebClientResponse response = client.get() | ||
| .path("/invalidTextContentType") | ||
| .request() | ||
| .await(10, TimeUnit.SECONDS); | ||
| Optional<MediaType> maybeContentType = response.headers().contentType(); | ||
| assertThat(maybeContentType.isPresent(), is(true)); | ||
| assertThat(maybeContentType.get().toString(), is(RELAXED_CONTENT_TYPE_TEXT)); | ||
| } | ||
|
|
||
| } |
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