Add integration test for VaultReactiveHealthIndicator

Add test for the reactive health indicator.

See gh-397

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/config/VaultReactiveHealthIndicatorIntegrationTests.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 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.cloud.vault.config;
+
+import org.junit.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.cloud.vault.util.IntegrationTestSupport;
+import org.springframework.cloud.vault.util.Settings;
+import org.springframework.cloud.vault.util.TestRestTemplateFactory;
+import org.springframework.vault.client.ClientHttpConnectorFactory;
+import org.springframework.vault.core.ReactiveVaultTemplate;
+import org.springframework.vault.support.ClientOptions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link VaultReactiveHealthIndicator}.
+ *
+ * @author Mark Paluch
+ */
+public class VaultReactiveHealthIndicatorIntegrationTests extends IntegrationTestSupport {
+
+	@Test
+	public void shouldReturnHealthState() {
+
+		ReactiveVaultTemplate vaultTemplate = new ReactiveVaultTemplate(
+				TestRestTemplateFactory.TEST_VAULT_ENDPOINT, ClientHttpConnectorFactory
+				.create(new ClientOptions(), Settings
+						.createSslConfiguration()), () -> Mono.just(Settings.token()));
+
+		VaultReactiveHealthIndicator healthIndicator = new VaultReactiveHealthIndicator(vaultTemplate);
+
+		healthIndicator.doHealthCheck(Health.up()).as(StepVerifier::create)
+				.consumeNextWith(actual -> {
+					assertThat(actual.getStatus()).isEqualTo(Status.UP);
+				}).verifyComplete();
+	}
+}