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RedisReactiveHealthIndicatorTests.java
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RedisReactiveHealthIndicatorTests.java
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/*
* Copyright 2012-2020 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.boot.actuate.redis;
import java.util.Properties;
import io.lettuce.core.RedisConnectionException;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.Status;
import org.springframework.data.redis.RedisConnectionFailureException;
import org.springframework.data.redis.connection.ReactiveClusterServerCommands;
import org.springframework.data.redis.connection.ReactiveRedisClusterConnection;
import org.springframework.data.redis.connection.ReactiveRedisConnection;
import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory;
import org.springframework.data.redis.connection.ReactiveServerCommands;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link RedisReactiveHealthIndicator}.
*
* @author Stephane Nicoll
* @author Mark Paluch
* @author Nikolay Rybak
* @author Artsiom Yudovin
* @author Scott Frederick
*/
class RedisReactiveHealthIndicatorTests {
@Test
void redisIsUp() {
Properties info = new Properties();
info.put("redis_version", "2.8.9");
ReactiveRedisConnection redisConnection = mock(ReactiveRedisConnection.class);
given(redisConnection.closeLater()).willReturn(Mono.empty());
ReactiveServerCommands commands = mock(ReactiveServerCommands.class);
given(commands.info("server")).willReturn(Mono.just(info));
RedisReactiveHealthIndicator healthIndicator = createHealthIndicator(redisConnection, commands);
Mono<Health> health = healthIndicator.health();
StepVerifier.create(health).consumeNextWith((h) -> {
assertThat(h.getStatus()).isEqualTo(Status.UP);
assertThat(h.getDetails()).containsOnlyKeys("version");
assertThat(h.getDetails().get("version")).isEqualTo("2.8.9");
}).verifyComplete();
verify(redisConnection).closeLater();
}
@Test
void redisClusterIsUp() {
Properties info = new Properties();
info.put("127.0.0.1:7002.redis_version", "2.8.9");
ReactiveRedisConnection redisConnection = mock(ReactiveRedisClusterConnection.class);
given(redisConnection.closeLater()).willReturn(Mono.empty());
ReactiveClusterServerCommands commands = mock(ReactiveClusterServerCommands.class);
given(commands.info("server")).willReturn(Mono.just(info));
RedisReactiveHealthIndicator healthIndicator = createHealthIndicator(redisConnection, commands);
Mono<Health> health = healthIndicator.health();
StepVerifier.create(health).consumeNextWith((h) -> {
assertThat(h.getStatus()).isEqualTo(Status.UP);
assertThat(h.getDetails()).containsOnlyKeys("version");
assertThat(h.getDetails().get("version")).isEqualTo("2.8.9");
}).verifyComplete();
verify(redisConnection).closeLater();
}
@Test
void redisCommandIsDown() {
ReactiveServerCommands commands = mock(ReactiveServerCommands.class);
given(commands.info("server")).willReturn(Mono.error(new RedisConnectionFailureException("Connection failed")));
ReactiveRedisConnection redisConnection = mock(ReactiveRedisConnection.class);
given(redisConnection.closeLater()).willReturn(Mono.empty());
RedisReactiveHealthIndicator healthIndicator = createHealthIndicator(redisConnection, commands);
Mono<Health> health = healthIndicator.health();
StepVerifier.create(health).consumeNextWith((h) -> assertThat(h.getStatus()).isEqualTo(Status.DOWN))
.verifyComplete();
verify(redisConnection).closeLater();
}
@Test
void redisConnectionIsDown() {
ReactiveRedisConnectionFactory redisConnectionFactory = mock(ReactiveRedisConnectionFactory.class);
given(redisConnectionFactory.getReactiveConnection())
.willThrow(new RedisConnectionException("Unable to connect to localhost:6379"));
RedisReactiveHealthIndicator healthIndicator = new RedisReactiveHealthIndicator(redisConnectionFactory);
Mono<Health> health = healthIndicator.health();
StepVerifier.create(health).consumeNextWith((h) -> assertThat(h.getStatus()).isEqualTo(Status.DOWN))
.verifyComplete();
}
private RedisReactiveHealthIndicator createHealthIndicator(ReactiveRedisConnection redisConnection,
ReactiveServerCommands serverCommands) {
ReactiveRedisConnectionFactory redisConnectionFactory = mock(ReactiveRedisConnectionFactory.class);
given(redisConnectionFactory.getReactiveConnection()).willReturn(redisConnection);
given(redisConnection.serverCommands()).willReturn(serverCommands);
return new RedisReactiveHealthIndicator(redisConnectionFactory);
}
}