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Set 304 status on ServerResponse when ETag/LastModified match

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This commit checks the Etag/LastModified headers on the incoming
request, and sets a 304 Not Modified status with no body when they
match, by delegating to ServerWebExchange.checkNotModified.

Issue: SPR-16348
This commit is contained in:
Arjen Poutsma
2018-01-18 11:26:16 +01:00
parent c211e3998b
commit c53c8bfc5a
6 changed files with 208 additions and 31 deletions
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53
spring-webflux/src/test/java/org/springframework/web/reactive/function/server/DefaultEntityResponseBuilderTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 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.
@@ -18,6 +18,8 @@ package org.springframework.web.reactive.function.server;
import java.nio.ByteBuffer;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
@@ -44,6 +46,7 @@ import org.springframework.http.codec.EncoderHttpMessageWriter;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
import org.springframework.mock.web.test.server.MockServerWebExchange;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
@@ -232,4 +235,52 @@ public class DefaultEntityResponseBuilderTests {
assertNotNull(exchange.getResponse().getBody());
}
@Test
public void notModifiedEtag() {
String etag = "\"foo\"";
EntityResponse<String> responseMono = EntityResponse.fromObject("bar")
.eTag(etag)
.build()
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_NONE_MATCH, etag)
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, DefaultServerResponseBuilderTests.EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
@Test
public void notModifiedLastModified() {
ZonedDateTime now = ZonedDateTime.now();
ZonedDateTime oneMinuteBeforeNow = now.minus(1, ChronoUnit.MINUTES);
EntityResponse<String> responseMono = EntityResponse.fromObject("bar")
.lastModified(oneMinuteBeforeNow)
.build()
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_MODIFIED_SINCE,
DateTimeFormatter.RFC_1123_DATE_TIME.format(now))
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, DefaultServerResponseBuilderTests.EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
}

57
spring-webflux/src/test/java/org/springframework/web/reactive/function/server/DefaultRenderingResponseTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 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.
@@ -16,6 +16,9 @@
package org.springframework.web.reactive.function.server;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@@ -28,9 +31,11 @@ import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseCookie;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
import org.springframework.mock.web.test.server.MockServerWebExchange;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
@@ -40,7 +45,7 @@ import org.springframework.web.reactive.result.view.ViewResolver;
import org.springframework.web.reactive.result.view.ViewResolverSupport;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
@@ -181,4 +186,52 @@ public class DefaultRenderingResponseTests {
}
@Test
public void notModifiedEtag() {
String etag = "\"foo\"";
RenderingResponse responseMono = RenderingResponse.create("bar")
.header(HttpHeaders.ETAG, etag)
.build()
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_NONE_MATCH, etag)
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, DefaultServerResponseBuilderTests.EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
@Test
public void notModifiedLastModified() {
ZonedDateTime now = ZonedDateTime.now();
ZonedDateTime oneMinuteBeforeNow = now.minus(1, ChronoUnit.MINUTES);
RenderingResponse responseMono = RenderingResponse.create("bar")
.header(HttpHeaders.LAST_MODIFIED, DateTimeFormatter.RFC_1123_DATE_TIME.format(oneMinuteBeforeNow))
.build()
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_MODIFIED_SINCE,
DateTimeFormatter.RFC_1123_DATE_TIME.format(now))
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, DefaultServerResponseBuilderTests.EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
}

87
spring-webflux/src/test/java/org/springframework/web/reactive/function/server/DefaultServerResponseBuilderTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 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.
@@ -18,6 +18,8 @@ package org.springframework.web.reactive.function.server;
import java.net.URI;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
@@ -33,19 +35,33 @@ import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseCookie;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
import org.springframework.mock.web.test.server.MockServerWebExchange;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.reactive.result.view.ViewResolver;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
* @author Arjen Poutsma
*/
public class DefaultServerResponseBuilderTests {
static final ServerResponse.Context EMPTY_CONTEXT = new ServerResponse.Context() {
@Override
public List<HttpMessageWriter<?>> messageWriters() {
return Collections.emptyList();
}
@Override
public List<ViewResolver> viewResolvers() {
return Collections.emptyList();
}
};
@Test
public void from() throws Exception {
ServerResponse other = ServerResponse.ok().header("foo", "bar").build().block();
@@ -287,13 +303,12 @@ public class DefaultServerResponseBuilderTests {
.header("MyKey", "MyValue")
.cookie(cookie).build();
ServerWebExchange exchange = mock(ServerWebExchange.class);
MockServerHttpResponse response = new MockServerHttpResponse();
when(exchange.getResponse()).thenReturn(response);
ServerResponse.Context context = mock(ServerResponse.Context.class);
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
result.flatMap(res -> res.writeTo(exchange, context)).block();
result.flatMap(res -> res.writeTo(exchange, EMPTY_CONTEXT)).block();
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.CREATED, response.getStatusCode());
assertEquals("MyValue", response.getHeaders().getFirst("MyKey"));
assertEquals("value", response.getCookies().getFirst("name").getValue());
@@ -305,13 +320,12 @@ public class DefaultServerResponseBuilderTests {
Mono<Void> mono = Mono.empty();
Mono<ServerResponse> result = ServerResponse.ok().build(mono);
ServerWebExchange exchange = mock(ServerWebExchange.class);
MockServerHttpResponse response = new MockServerHttpResponse();
when(exchange.getResponse()).thenReturn(response);
ServerResponse.Context context = mock(ServerResponse.Context.class);
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
result.flatMap(res -> res.writeTo(exchange, context)).block();
result.flatMap(res -> res.writeTo(exchange, EMPTY_CONTEXT)).block();
MockServerHttpResponse response = exchange.getResponse();
StepVerifier.create(response.getBody()).expectComplete().verify();
}
@@ -322,5 +336,52 @@ public class DefaultServerResponseBuilderTests {
ServerResponse.ok().syncBody(mono);
}
@Test
public void notModifiedEtag() {
String etag = "\"foo\"";
ServerResponse responseMono = ServerResponse.ok()
.eTag(etag)
.syncBody("bar")
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_NONE_MATCH, etag)
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
@Test
public void notModifiedLastModified() {
ZonedDateTime now = ZonedDateTime.now();
ZonedDateTime oneMinuteBeforeNow = now.minus(1, ChronoUnit.MINUTES);
ServerResponse responseMono = ServerResponse.ok()
.lastModified(oneMinuteBeforeNow)
.syncBody("bar")
.block();
MockServerHttpRequest request = MockServerHttpRequest.get("http://example.com")
.header(HttpHeaders.IF_MODIFIED_SINCE,
DateTimeFormatter.RFC_1123_DATE_TIME.format(now))
.build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
responseMono.writeTo(exchange, EMPTY_CONTEXT);
MockServerHttpResponse response = exchange.getResponse();
assertEquals(HttpStatus.NOT_MODIFIED, response.getStatusCode());
StepVerifier.create(response.getBody())
.expectError(IllegalStateException.class)
.verify();
}
}