Add integration tests for interpolation operations.

spring-credhub-core/src/main/java/org/springframework/credhub/core/credential/CredHubCredentialOperations.java

@@ -132,6 +132,7 @@ public interface CredHubCredentialOperations {
 	 * Retrieve a collection of all paths that contain credentials.
 	 *
 	 * @return a collection of paths
+	 * @deprecated as of CredHub 2.0 this operation is not supported
 	 */
 	List<CredentialPath> getAllPaths();
 

spring-credhub-integration-tests/src/test/java/org/springframework/credhub/integration/InterpolationIntegrationTests.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2016-2017 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.credhub.integration;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.credhub.core.credential.CredHubCredentialOperations;
+import org.springframework.credhub.core.interpolation.CredHubInterpolationOperations;
+import org.springframework.credhub.support.CredentialDetails;
+import org.springframework.credhub.support.CredentialType;
+import org.springframework.credhub.support.ServicesData;
+import org.springframework.credhub.support.SimpleCredentialName;
+import org.springframework.credhub.support.json.JsonCredential;
+import org.springframework.credhub.support.json.JsonCredentialRequest;
+import org.springframework.credhub.support.utils.JsonUtils;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class InterpolationIntegrationTests extends CredHubIntegrationTests {
+	private static final SimpleCredentialName CREDENTIAL_NAME =
+			new SimpleCredentialName("spring-credhub", "integration-test", "interpolation-credential");
+
+	private CredHubInterpolationOperations interpolation;
+	private CredHubCredentialOperations credentials;
+
+	@Before
+	public void setUp() {
+		this.interpolation = operations.interpolation();
+		this.credentials = operations.credentials();
+	}
+	
+	@Test
+	@SuppressWarnings("unchecked")
+	public void interpolate() throws IOException {
+		Map<String, Object> json = new HashMap<String, Object>() {{
+			put("url", "https://example.com");
+			put("username", "user");
+			put("password", "secret");
+		}};
+
+		CredentialDetails<JsonCredential> written = credentials.write(JsonCredentialRequest.builder()
+				.name(CREDENTIAL_NAME)
+				.value(json)
+				.build());
+		assertThat(written.getName().getName()).isEqualTo(CREDENTIAL_NAME.getName());
+		assertThat(written.getValue()).isEqualTo(json);
+		assertThat(written.getCredentialType()).isEqualTo(CredentialType.JSON);
+		assertThat(written.getId()).isNotNull();
+
+		ServicesData servicesData =
+				interpolation.interpolateServiceData(buildVcapServices(CREDENTIAL_NAME.getName()));
+		assertThat(servicesData).containsKey("service-offering");
+		assertThat(servicesData.get("service-offering")).hasSize(1);
+		assertThat(servicesData.get("service-offering").get(0)).containsKey("credentials");
+
+		Map<String, Object> credentials =
+				(Map<String, Object>) servicesData.get("service-offering").get(0).get("credentials");
+		assertThat(credentials)
+				.containsEntry("url", "https://example.com")
+				.containsEntry("username", "user")
+				.containsEntry("password", "secret");
+	}
+
+	private ServicesData buildVcapServices(String credHubReferenceName) throws IOException {
+		String vcapServices = "{" +
+				"  \"service-offering\": [" +
+				"   {" +
+				"    \"credentials\": {" +
+				"      \"credhub-ref\": \"((" + credHubReferenceName + "))\"" +
+				"    }," +
+				"    \"label\": \"service-offering\"," +
+				"    \"name\": \"service-instance\"," +
+				"    \"plan\": \"standard\"," +
+				"    \"tags\": [" +
+				"     \"cloud-service\"" +
+				"    ]," +
+				"    \"volume_mounts\": []" +
+				"   }" +
+				"  ]" +
+				"}";
+
+		ObjectMapper mapper = JsonUtils.buildObjectMapper();
+		return mapper.readValue(vcapServices, ServicesData.class);
+	}
+}