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Save reactive Redis session on subscribe

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This commit ensures ReactiveRedisOperationsSessionRepository#save does work only after subscribe. Without this, multiple invocations of #save over the course of same request can lead to race condition situations.

Resolves: #1399
This commit is contained in:
Vedran Pavic
2019-05-03 21:00:04 +02:00
parent 52f59a83e4
commit 78b72f2d1b
3 changed files with 69 additions and 63 deletions
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84
spring-session-data-redis/src/test/java/org/springframework/session/data/redis/ReactiveRedisOperationsSessionRepositoryTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2018 the original author or authors.
* Copyright 2014-2019 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.
@@ -132,9 +132,10 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
@Test
public void createSessionDefaultMaxInactiveInterval() {
StepVerifier.create(this.repository.createSession()).consumeNextWith(
(session) -> assertThat(session.getMaxInactiveInterval()).isEqualTo(Duration
.ofSeconds(MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS)))
StepVerifier.create(this.repository.createSession())
.consumeNextWith((session) -> assertThat(session.getMaxInactiveInterval())
.isEqualTo(Duration.ofSeconds(
MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS)))
.verifyComplete();
}
@@ -155,30 +156,26 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
given(this.redisOperations.expire(anyString(), any()))
.willReturn(Mono.just(true));
StepVerifier
.create(this.repository.createSession().doOnNext(this.repository::save))
.consumeNextWith((session) -> {
verify(this.redisOperations).opsForHash();
verify(this.hashOperations).putAll(anyString(), this.delta.capture());
verify(this.redisOperations).expire(anyString(), any());
verifyZeroInteractions(this.redisOperations);
verifyZeroInteractions(this.hashOperations);
RedisSession newSession = this.repository.new RedisSession();
StepVerifier.create(this.repository.save(newSession)).verifyComplete();
Map<String, Object> delta = this.delta.getAllValues().get(0);
assertThat(delta.size()).isEqualTo(3);
assertThat(delta.get(
ReactiveRedisOperationsSessionRepository.CREATION_TIME_KEY))
.isEqualTo(session.getCreationTime().toEpochMilli());
assertThat(delta.get(
ReactiveRedisOperationsSessionRepository.MAX_INACTIVE_INTERVAL_KEY))
.isEqualTo((int) Duration.ofSeconds(
MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS)
.getSeconds());
assertThat(delta.get(
ReactiveRedisOperationsSessionRepository.LAST_ACCESSED_TIME_KEY))
.isEqualTo(
session.getLastAccessedTime().toEpochMilli());
}).verifyComplete();
verify(this.redisOperations).opsForHash();
verify(this.hashOperations).putAll(anyString(), this.delta.capture());
verify(this.redisOperations).expire(anyString(), any());
verifyZeroInteractions(this.redisOperations);
verifyZeroInteractions(this.hashOperations);
Map<String, Object> delta = this.delta.getAllValues().get(0);
assertThat(delta.size()).isEqualTo(3);
assertThat(delta.get(ReactiveRedisOperationsSessionRepository.CREATION_TIME_KEY))
.isEqualTo(newSession.getCreationTime().toEpochMilli());
assertThat(delta
.get(ReactiveRedisOperationsSessionRepository.MAX_INACTIVE_INTERVAL_KEY))
.isEqualTo(
(int) newSession.getMaxInactiveInterval().getSeconds());
assertThat(delta
.get(ReactiveRedisOperationsSessionRepository.LAST_ACCESSED_TIME_KEY))
.isEqualTo(newSession.getLastAccessedTime().toEpochMilli());
}
@Test
@@ -207,7 +204,7 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
RedisSession session = this.repository.new RedisSession(this.cached);
session.setLastAccessedTime(Instant.ofEpochMilli(12345678L));
Mono.just(session).subscribe(this.repository::save);
StepVerifier.create(this.repository.save(session)).verifyComplete();
verify(this.redisOperations).hasKey(anyString());
verify(this.redisOperations).opsForHash();
@@ -232,7 +229,7 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
String attrName = "attrName";
RedisSession session = this.repository.new RedisSession(this.cached);
session.setAttribute(attrName, "attrValue");
Mono.just(session).subscribe(this.repository::save);
StepVerifier.create(this.repository.save(session)).verifyComplete();
verify(this.redisOperations).hasKey(anyString());
verify(this.redisOperations).opsForHash();
@@ -257,7 +254,7 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
String attrName = "attrName";
RedisSession session = this.repository.new RedisSession(new MapSession());
session.removeAttribute(attrName);
Mono.just(session).subscribe(this.repository::save);
StepVerifier.create(this.repository.save(session)).verifyComplete();
verify(this.redisOperations).hasKey(anyString());
verify(this.redisOperations).opsForHash();
@@ -333,24 +330,25 @@ public class ReactiveRedisOperationsSessionRepositoryTests {
given(this.hashOperations.entries(anyString()))
.willReturn(Flux.fromIterable(map.entrySet()));
StepVerifier.create(this.repository.findById("test")).consumeNextWith((session) -> {
verify(this.redisOperations).opsForHash();
verify(this.hashOperations).entries(anyString());
verifyZeroInteractions(this.redisOperations);
verifyZeroInteractions(this.hashOperations);
StepVerifier.create(this.repository.findById("test"))
.consumeNextWith((session) -> {
verify(this.redisOperations).opsForHash();
verify(this.hashOperations).entries(anyString());
verifyZeroInteractions(this.redisOperations);
verifyZeroInteractions(this.hashOperations);
assertThat(session.getId()).isEqualTo(expected.getId());
assertThat(session.getAttributeNames())
.isEqualTo(expected.getAttributeNames());
assertThat(session.<String>getAttribute(attribute1))
.isEqualTo(expected.getAttribute(attribute1));
assertThat(session.<String>getAttribute(attribute2))
.isEqualTo(expected.getAttribute(attribute2));
assertThat(session.getId()).isEqualTo(expected.getId());
assertThat(session.getAttributeNames())
.isEqualTo(expected.getAttributeNames());
assertThat(session.<String>getAttribute(attribute1))
.isEqualTo(expected.getAttribute(attribute1));
assertThat(session.<String>getAttribute(attribute2))
.isEqualTo(expected.getAttribute(attribute2));
assertThat(session.getCreationTime().truncatedTo(ChronoUnit.MILLIS))
.isEqualTo(expected.getCreationTime()
.truncatedTo(ChronoUnit.MILLIS));
assertThat(session.getMaxInactiveInterval())
.isEqualTo(expected.getMaxInactiveInterval());
.isEqualTo(expected.getMaxInactiveInterval());
assertThat(
session.getLastAccessedTime().truncatedTo(ChronoUnit.MILLIS))
.isEqualTo(expected.getLastAccessedTime()