Add CouchbaseHealthIndicatorTests

See gh-11161

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/couchbase/CouchbaseHealthIndicatorTests.java

+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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.couchbase;
+
+import java.util.Arrays;
+
+import com.couchbase.client.java.cluster.ClusterInfo;
+import com.couchbase.client.java.util.features.Version;
+import org.junit.Test;
+
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.Status;
+import org.springframework.data.couchbase.core.CouchbaseOperations;
+
+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 CouchbaseHealthIndicator}
+ *
+ * @author Eddú Meléndez
+ */
+public class CouchbaseHealthIndicatorTests {
+
+	@Test
+	public void couchbaseIsUp() {
+		CouchbaseOperations couchbaseOperations = mock(CouchbaseOperations.class);
+		ClusterInfo clusterInfo = mock(ClusterInfo.class);
+		given(clusterInfo.getAllVersions()).willReturn(
+				Arrays.asList(new Version(1, 2, 3)));
+		given(couchbaseOperations.getCouchbaseClusterInfo()).willReturn(clusterInfo);
+		CouchbaseHealthIndicator healthIndicator = new CouchbaseHealthIndicator(
+				couchbaseOperations);
+		Health health = healthIndicator.health();
+		assertThat(health.getStatus()).isEqualTo(Status.UP);
+		assertThat(health.getDetails().get("versions")).isEqualTo("1.2.3");
+		verify(clusterInfo).getAllVersions();
+	}
+
+	@Test
+	public void couchbaseIsDown() {
+		CouchbaseOperations couchbaseOperations = mock(CouchbaseOperations.class);
+		given(couchbaseOperations.getCouchbaseClusterInfo()).willThrow(new NullPointerException());
+		CouchbaseHealthIndicator healthIndicator = new CouchbaseHealthIndicator(
+				couchbaseOperations);
+		Health health = healthIndicator.health();
+		assertThat(health.getStatus()).isEqualTo(Status.DOWN);
+		assertThat((String) health.getDetails().get("error")).contains("null");
+		verify(couchbaseOperations).getCouchbaseClusterInfo();
+	}
+}