Add HealthIndicator for Hazelcast

See gh-17499

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/hazelcast/HazelcastHealthIndicatorAutoConfigurationIntegrationTests.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2012-2019 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.
+ * 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.autoconfigure.hazelcast;
+
+import com.hazelcast.client.config.ClientConfig;
+import com.hazelcast.config.Config;
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
+import org.springframework.boot.actuate.hazelcast.HazelcastHealthIndicator;
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.Status;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link HazelcastHealthIndicatorAutoConfiguration}.
+ *
+ * @author Dmytro Nosan
+ */
+class HazelcastHealthIndicatorAutoConfigurationIntegrationTests {
+
+	private final HazelcastInstance hazelcastServer = Hazelcast.newHazelcastInstance(new Config());
+
+	private ApplicationContextRunner contextRunner = new ApplicationContextRunner().withBean(ClientConfig.class)
+			.withConfiguration(AutoConfigurations.of(HazelcastHealthIndicatorAutoConfiguration.class,
+					HazelcastAutoConfiguration.class, HealthIndicatorAutoConfiguration.class));
+
+	@AfterEach
+	void shutdown() {
+		this.hazelcastServer.shutdown();
+	}
+
+	@Test
+	void hazelcastUp() {
+		this.contextRunner.run((context) -> {
+			assertThat(context).hasSingleBean(HazelcastInstance.class).hasSingleBean(HazelcastHealthIndicator.class);
+			HazelcastInstance hazelcast = context.getBean(HazelcastInstance.class);
+			Health health = context.getBean(HazelcastHealthIndicator.class).health();
+			assertThat(health.getStatus()).isEqualTo(Status.UP);
+			assertThat(health.getDetails()).containsOnlyKeys("name", "uuid").containsEntry("name", hazelcast.getName())
+					.containsEntry("uuid", hazelcast.getLocalEndpoint().getUuid());
+		});
+	}
+
+	@Test
+	void hazelcastDown() {
+		this.contextRunner.run((context) -> {
+			shutdown();
+			assertThat(context).hasSingleBean(HazelcastHealthIndicator.class);
+			Health health = context.getBean(HazelcastHealthIndicator.class).health();
+			assertThat(health.getStatus()).isEqualTo(Status.DOWN);
+		});
+	}
+
+}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/hazelcast/HazelcastHealthIndicatorAutoConfigurationTests.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2012-2019 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.
+ * 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.autoconfigure.hazelcast;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
+import org.springframework.boot.actuate.hazelcast.HazelcastHealthIndicator;
+import org.springframework.boot.actuate.health.ApplicationHealthIndicator;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link HazelcastHealthIndicatorAutoConfiguration}.
+ *
+ * @author Dmytro Nosan
+ */
+class HazelcastHealthIndicatorAutoConfigurationTests {
+
+	private ApplicationContextRunner contextRunner = new ApplicationContextRunner()
+			.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class,
+					HazelcastHealthIndicatorAutoConfiguration.class, HealthIndicatorAutoConfiguration.class));
+
+	@Test
+	void runShouldCreateIndicator() {
+		this.contextRunner.run((context) -> assertThat(context).hasSingleBean(HazelcastHealthIndicator.class)
+				.doesNotHaveBean(ApplicationHealthIndicator.class));
+	}
+
+	@Test
+	void runWhenDisabledShouldNotCreateIndicator() {
+		this.contextRunner.withPropertyValues("management.health.hazelcast.enabled:false")
+				.run((context) -> assertThat(context).doesNotHaveBean(HazelcastHealthIndicator.class)
+						.doesNotHaveBean(HazelcastHealthIndicator.class)
+						.hasSingleBean(ApplicationHealthIndicator.class));
+	}
+
+}