Add yaml support to pap api's

Adding yaml support to pap rest api's.
Along with related unit tests.

Issue-ID: POLICY-3864
Change-Id: I43bdbbd4151bcae5dcf4752a9385b115efa947d3
Signed-off-by: Ram Krishna Verma <ram_krishna.verma@bell.ca>

3 files changed, 69 insertions, 11 deletions

diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
index e42cfd21..c2d9f038 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
@@ -46,6 +46,7 @@ import org.junit.BeforeClass;
 import org.junit.runner.RunWith;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
+import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.network.NetworkUtil;
 import org.onap.policy.common.utils.security.SelfSignedKeyStore;
@@ -143,7 +144,8 @@ public abstract class CommonPapRestServer {
      * @throws Exception if an error occurs
      */
     protected void testSwagger(final String endpoint) throws Exception {
-        final Invocation.Builder invocationBuilder = sendFqeRequest(httpsPrefix + "v2/api-docs", true);
+        final Invocation.Builder invocationBuilder =
+                        sendFqeRequest(httpsPrefix + "v2/api-docs", true, MediaType.APPLICATION_JSON);
         final String resp = invocationBuilder.get(String.class);
         assertTrue(resp.contains(ENDPOINT_PREFIX + endpoint));
     }
@@ -198,7 +200,19 @@ public abstract class CommonPapRestServer {
      * @throws Exception if an error occurs
      */
     protected Invocation.Builder sendRequest(final String endpoint) throws Exception {
-        return sendFqeRequest(httpsPrefix + ENDPOINT_PREFIX + endpoint, true);
+        return sendFqeRequest(httpsPrefix + ENDPOINT_PREFIX + endpoint, true, MediaType.APPLICATION_JSON);
+    }
+
+    /**
+     * Sends a request to an endpoint.
+     *
+     * @param endpoint the target endpoint
+     * @param mediaType the media type for the request
+     * @return a request builder
+     * @throws Exception if an error occurs
+     */
+    protected Invocation.Builder sendRequest(final String endpoint, String mediaType) throws Exception {
+        return sendFqeRequest(httpsPrefix + ENDPOINT_PREFIX + endpoint, true, mediaType);
     }
 
     /**
@@ -209,7 +223,7 @@ public abstract class CommonPapRestServer {
      * @throws Exception if an error occurs
      */
     protected Invocation.Builder sendNoAuthRequest(final String endpoint) throws Exception {
-        return sendFqeRequest(httpsPrefix + ENDPOINT_PREFIX + endpoint, false);
+        return sendFqeRequest(httpsPrefix + ENDPOINT_PREFIX + endpoint, false, MediaType.APPLICATION_JSON);
     }
 
     /**
@@ -220,8 +234,8 @@ public abstract class CommonPapRestServer {
      * @return a request builder
      * @throws Exception if an error occurs
      */
-    protected Invocation.Builder sendFqeRequest(final String fullyQualifiedEndpoint, boolean includeAuth)
-                    throws Exception {
+    protected Invocation.Builder sendFqeRequest(final String fullyQualifiedEndpoint, boolean includeAuth,
+                    String mediaType) throws Exception {
         final SSLContext sc = SSLContext.getInstance("TLSv1.2");
         sc.init(null, NetworkUtil.getAlwaysTrustingManager(), new SecureRandom());
         final ClientBuilder clientBuilder =
@@ -229,7 +243,8 @@ public abstract class CommonPapRestServer {
         final Client client = clientBuilder.build();
 
         client.property(ClientProperties.METAINF_SERVICES_LOOKUP_DISABLE, "true");
-        client.register(GsonMessageBodyHandler.class);
+        client.register((mediaType.equalsIgnoreCase(MediaType.APPLICATION_JSON) ? GsonMessageBodyHandler.class
+                        : YamlMessageBodyHandler.class));
 
         if (includeAuth) {
             final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("policyadmin", "zb!XztG34");
@@ -238,6 +253,6 @@ public abstract class CommonPapRestServer {
 
         final WebTarget webTarget = client.target(fullyQualifiedEndpoint);
 
-        return webTarget.request(MediaType.APPLICATION_JSON);
+        return webTarget.request(mediaType);
     }
 }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
index 3f763863..650dd41a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
@@ -77,18 +77,30 @@ public class PdpGroupCreateOrUpdateTest extends End2EndBase {
     }
 
     @Test
-    public void testCreateGroups() throws Exception {
+    public void testCreateGroupsJson() throws Exception {
 
+        createPdpGroups("createGroups.json", MediaType.APPLICATION_JSON);
+    }
+
+    @Test
+    public void testCreateGroupsYaml() throws Exception {
+
+        createPdpGroups("createGroups.yaml", "application/yaml");
+    }
+
+    private void createPdpGroups(String fileName, String mediaType) throws Exception, InterruptedException {
         context.addPdp("pdpAA_1", CREATE_SUBGROUP);
         context.addPdp("pdpAA_2", CREATE_SUBGROUP);
         context.addPdp("pdpAB_1", "pdpTypeB");
 
         context.startThreads();
 
-        Invocation.Builder invocationBuilder = sendRequest(CREATEORUPDATE_GROUPS_ENDPOINT);
+        Invocation.Builder invocationBuilder = sendRequest(CREATEORUPDATE_GROUPS_ENDPOINT, mediaType);
 
-        PdpGroups groups = loadJsonFile("createGroups.json", PdpGroups.class);
-        Entity<PdpGroups> entity = Entity.entity(groups, MediaType.APPLICATION_JSON);
+        PdpGroups groups = (mediaType.equalsIgnoreCase(MediaType.APPLICATION_JSON)
+                        ? loadJsonFile(fileName, PdpGroups.class)
+                        : loadYamlFile(fileName, PdpGroups.class));
+        Entity<PdpGroups> entity = Entity.entity(groups, mediaType);
         Response rawresp = invocationBuilder.post(entity);
         PdpGroupUpdateResponse resp = rawresp.readEntity(PdpGroupUpdateResponse.class);
         assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
diff --git a/main/src/test/resources/e2e/createGroups.yaml b/main/src/test/resources/e2e/createGroups.yaml
new file mode 100644
index 00000000..fc98e971
--- /dev/null
+++ b/main/src/test/resources/e2e/createGroups.yaml
@@ -0,0 +1,31 @@
+groups:
+  - name: createGroups
+    pdpGroupState: PASSIVE
+    properties:
+      hello: world
+    pdpSubgroups:
+      - pdpType: pdpTypeA
+        desiredInstanceCount: 2
+        properties: {}
+        pdpInstances:
+          - instanceId: pdpAA_1
+            pdpState: ACTIVE
+            healthy: HEALTHY
+          - instanceId: pdpAA_2
+            pdpState: ACTIVE
+            healthy: HEALTHY
+        supportedPolicyTypes:
+          - name: onap.policies.monitoring.cdap.tca.hi.lo.app
+            version: 1.0.0
+        policies: []
+      - pdpType: pdpTypeB
+        desiredInstanceCount: 1
+        properties: {}
+        pdpInstances:
+          - instanceId: pdpAB_1
+            pdpState: ACTIVE
+            healthy: HEALTHY
+        supportedPolicyTypes:
+          - name: onap.policies.monitoring.cdap.tca.hi.lo.app
+            version: 1.0.0
+        policies: []