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RedisHealthIndicatorTests.java
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RedisHealthIndicatorTests.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.Arrays;
import java.util.List;
import java.util.Properties;
import org.junit.jupiter.api.Test;
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.ClusterInfo;
import org.springframework.data.redis.connection.RedisClusterConnection;
import org.springframework.data.redis.connection.RedisClusterNode;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link RedisHealthIndicator}.
*
* @author Christian Dupuis
* @author Richard Santana
* @author Stephane Nicoll
*/
class RedisHealthIndicatorTests {
@Test
void redisIsUp() {
Properties info = new Properties();
info.put("redis_version", "2.8.9");
RedisConnection redisConnection = mock(RedisConnection.class);
given(redisConnection.info("server")).willReturn(info);
RedisHealthIndicator healthIndicator = createHealthIndicator(redisConnection);
Health health = healthIndicator.health();
assertThat(health.getStatus()).isEqualTo(Status.UP);
assertThat(health.getDetails().get("version")).isEqualTo("2.8.9");
}
@Test
void redisIsDown() {
RedisConnection redisConnection = mock(RedisConnection.class);
given(redisConnection.info("server")).willThrow(new RedisConnectionFailureException("Connection failed"));
RedisHealthIndicator healthIndicator = createHealthIndicator(redisConnection);
Health health = healthIndicator.health();
assertThat(health.getStatus()).isEqualTo(Status.DOWN);
assertThat((String) health.getDetails().get("error")).contains("Connection failed");
}
private RedisHealthIndicator createHealthIndicator(RedisConnection redisConnection) {
RedisConnectionFactory redisConnectionFactory = mock(RedisConnectionFactory.class);
given(redisConnectionFactory.getConnection()).willReturn(redisConnection);
return new RedisHealthIndicator(redisConnectionFactory);
}
@Test
void redisClusterIsUp() {
Properties clusterProperties = new Properties();
clusterProperties.setProperty("cluster_size", "4");
clusterProperties.setProperty("cluster_slots_ok", "4");
clusterProperties.setProperty("cluster_slots_fail", "0");
List<RedisClusterNode> redisMasterNodes = Arrays.asList(new RedisClusterNode("127.0.0.1", 7001),
new RedisClusterNode("127.0.0.2", 7001));
RedisClusterConnection redisConnection = mock(RedisClusterConnection.class);
given(redisConnection.clusterGetNodes()).willReturn(redisMasterNodes);
given(redisConnection.clusterGetClusterInfo()).willReturn(new ClusterInfo(clusterProperties));
RedisConnectionFactory redisConnectionFactory = mock(RedisConnectionFactory.class);
given(redisConnectionFactory.getConnection()).willReturn(redisConnection);
RedisHealthIndicator healthIndicator = new RedisHealthIndicator(redisConnectionFactory);
Health health = healthIndicator.health();
assertThat(health.getStatus()).isEqualTo(Status.UP);
assertThat(health.getDetails().get("cluster_size")).isEqualTo(4L);
assertThat(health.getDetails().get("slots_up")).isEqualTo(4L);
assertThat(health.getDetails().get("slots_fail")).isEqualTo(0L);
verify(redisConnectionFactory, atLeastOnce()).getConnection();
}
}