Adding query & state change PAP REST API's

Change-Id: I861ace4811032314c3ce2c3f227f17354e127e5e
Issue-ID: POLICY-1541
Signed-off-by: ramverma <ram.krishna.verma@est.tech>

8 files changed, 446 insertions, 12 deletions

diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PapRestServer.java b/main/src/main/java/org/onap/policy/pap/main/rest/PapRestServer.java
index 582c10d2..28587077 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PapRestServer.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PapRestServer.java
@@ -94,7 +94,9 @@ public class PapRestServer implements Startable {
                         String.join(",", HealthCheckRestControllerV1.class.getCanonicalName(),
                                         StatisticsRestControllerV1.class.getCanonicalName(),
                                         PdpGroupDeployControllerV1.class.getCanonicalName(),
-                                        PdpGroupDeleteControllerV1.class.getCanonicalName()));
+                                        PdpGroupDeleteControllerV1.class.getCanonicalName(),
+                                        PdpGroupStateChangeControllerV1.class.getCanonicalName(),
+                                        PdpGroupQueryControllerV1.class.getCanonicalName()));
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, "false");
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_SWAGGER_SUFFIX, "true");
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_AUTH_USERNAME_SUFFIX,
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java
new file mode 100644
index 00000000..ae4ef1d9
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java
@@ -0,0 +1,91 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import io.swagger.annotations.Authorization;
+import io.swagger.annotations.Extension;
+import io.swagger.annotations.ExtensionProperty;
+import io.swagger.annotations.ResponseHeader;
+
+import java.util.UUID;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.policy.models.pap.concepts.PdpGroups;
+
+/**
+ * Class to provide REST end points for PAP component to query details of all PDP groups.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class PdpGroupQueryControllerV1 extends PapRestControllerV1 {
+
+    private final PdpGroupQueryProvider provider = new PdpGroupQueryProvider();
+
+    /**
+     * Queries details of all PDP groups.
+     *
+     * @param requestId request ID used in ONAP logging
+     * @return a response
+     */
+    // @formatter:off
+    @GET
+    @Path("pdps")
+    @ApiOperation(value = "Query details of all PDP groups",
+        notes = "Queries details of all PDP groups, returning all group details",
+        response = PdpGroups.class,
+        tags = {"Policy Administration (PAP) API"},
+        authorizations = @Authorization(value = AUTHORIZATION_TYPE),
+        responseHeaders = {
+            @ResponseHeader(name = VERSION_MINOR_NAME, description = VERSION_MINOR_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = VERSION_PATCH_NAME, description = VERSION_PATCH_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = VERSION_LATEST_NAME, description = VERSION_LATEST_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = REQUEST_ID_NAME, description = REQUEST_ID_HDR_DESCRIPTION,
+                            response = UUID.class)},
+        extensions = {@Extension(name = EXTENSION_NAME,
+            properties = {@ExtensionProperty(name = API_VERSION_NAME, value = API_VERSION),
+                @ExtensionProperty(name = LAST_MOD_NAME, value = LAST_MOD_RELEASE)})})
+    @ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
+                    @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
+                    @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
+    // @formatter:on
+
+    public Response queryGroupDetails(
+            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+
+        final Pair<Status, PdpGroups> pair = provider.fetchPdpGroupDetails();
+
+        return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
+                .entity(pair.getRight()).build();
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java
new file mode 100644
index 00000000..d37409bf
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import javax.ws.rs.core.Response;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.policy.models.pap.concepts.PdpGroups;
+
+/**
+ * Provider for PAP component to query details of all PDP groups.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class PdpGroupQueryProvider {
+
+    /**
+     * Queries details of all PDP groups.
+     *
+     * @return a pair containing the status and the response
+     */
+    public Pair<Response.Status, PdpGroups> fetchPdpGroupDetails() {
+
+        /*
+         * TODO Fetch all the details from DB and create the PdpGroups object.
+         */
+
+        return Pair.of(Response.Status.OK, new PdpGroups());
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java
new file mode 100644
index 00000000..f3eb1dea
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java
@@ -0,0 +1,100 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import io.swagger.annotations.Authorization;
+import io.swagger.annotations.Extension;
+import io.swagger.annotations.ExtensionProperty;
+import io.swagger.annotations.ResponseHeader;
+
+import java.util.UUID;
+
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
+import org.onap.policy.pdp.common.enums.PdpState;
+
+/**
+ * Class to provide REST end points for PAP component to change state of a PDP group.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class PdpGroupStateChangeControllerV1 extends PapRestControllerV1 {
+
+    private final PdpGroupStateChangeProvider provider = new PdpGroupStateChangeProvider();
+
+    /**
+     * Changes state of a PDP group.
+     *
+     * @param requestId request ID used in ONAP logging
+     * @param groupName name of the PDP group to be deleted
+     * @param version version of the PDP group
+     * @param state state of the PDP group
+     * @return a response
+     */
+    // @formatter:off
+    @PUT
+    @Path("pdps/groups/{name}/versions/{version}")
+    @ApiOperation(value = "Change state of a PDP Group",
+        notes = "Changes state of PDP Group, returning optional error details",
+        response = PdpGroupStateChangeResponse.class,
+        tags = {"Policy Administration (PAP) API"},
+        authorizations = @Authorization(value = AUTHORIZATION_TYPE),
+        responseHeaders = {
+            @ResponseHeader(name = VERSION_MINOR_NAME, description = VERSION_MINOR_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = VERSION_PATCH_NAME, description = VERSION_PATCH_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = VERSION_LATEST_NAME, description = VERSION_LATEST_DESCRIPTION,
+                            response = String.class),
+            @ResponseHeader(name = REQUEST_ID_NAME, description = REQUEST_ID_HDR_DESCRIPTION,
+                            response = UUID.class)},
+        extensions = {@Extension(name = EXTENSION_NAME,
+            properties = {@ExtensionProperty(name = API_VERSION_NAME, value = API_VERSION),
+                @ExtensionProperty(name = LAST_MOD_NAME, value = LAST_MOD_RELEASE)})})
+    @ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
+                    @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
+                    @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
+    // @formatter:on
+
+    public Response changeGroupState(
+            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
+            @ApiParam(value = "PDP Group Name", required = true) @PathParam("name") final String groupName,
+            @ApiParam(value = "PDP Group Version", required = true) @PathParam("version") final String version,
+            @ApiParam(value = "PDP Group State", required = true) @QueryParam("state") final PdpState state) {
+
+        final Pair<Status, PdpGroupStateChangeResponse> pair = provider.changeGroupState(groupName, version, state);
+
+        return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
+                .entity(pair.getRight()).build();
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
new file mode 100644
index 00000000..51441e46
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
@@ -0,0 +1,62 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import javax.ws.rs.core.Response;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
+import org.onap.policy.pdp.common.enums.PdpState;
+
+/**
+ * Provider for PAP component to change state of PDP group.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class PdpGroupStateChangeProvider {
+
+    /**
+     * Changes state of a PDP group.
+     *
+     * @param groupName name of the PDP group
+     * @param version version of the PDP group
+     * @param pdpGroupState state of the PDP group
+     * @return a pair containing the status and the response
+     */
+    public Pair<Response.Status, PdpGroupStateChangeResponse> changeGroupState(final String groupName,
+            final String version, final PdpState pdpGroupState) {
+
+        /*
+         * TODO Check preconditions - return error if any.
+         */
+
+        /*
+         * TODO Change state - sending state change messages to PDPs and arranging for listeners to complete the state
+         * change actions (in the background).
+         */
+
+        /*
+         * TODO Return error if unable to send state change to all PDPs.
+         */
+
+        return Pair.of(Response.Status.OK, new PdpGroupStateChangeResponse());
+    }
+}
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
index 0fc3577e..b6d0f1d7 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
@@ -1,4 +1,4 @@
-/*
+/*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
@@ -25,16 +25,18 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
 import java.util.Arrays;
+
 import javax.ws.rs.client.Entity;
 import javax.ws.rs.client.Invocation;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+
 import org.junit.Test;
 import org.onap.policy.models.pap.concepts.PdpGroup;
 import org.onap.policy.models.pap.concepts.PdpGroupDeployResponse;
 import org.onap.policy.models.pap.concepts.PdpPolicies;
 import org.onap.policy.models.pap.concepts.PdpSubGroup;
-import org.onap.policy.pdp.common.models.Policy;
+import org.onap.policy.models.pap.concepts.Policy;
 
 public class TestPdpGroupDeployControllerV1 extends CommonPapRestServer {
 
@@ -49,9 +51,9 @@ public class TestPdpGroupDeployControllerV1 extends CommonPapRestServer {
 
     @Test
     public void testDeployGroup() throws Exception {
-        Entity<PdpGroup> entgrp = makePdpGroupEntity();
+        final Entity<PdpGroup> entgrp = makePdpGroupEntity();
 
-        Invocation.Builder invocationBuilder = sendRequest(DEPLOY_GROUP_ENDPOINT);
+        final Invocation.Builder invocationBuilder = sendRequest(DEPLOY_GROUP_ENDPOINT);
         Response rawresp = invocationBuilder.post(entgrp);
         PdpGroupDeployResponse resp = rawresp.readEntity(PdpGroupDeployResponse.class);
         assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
@@ -68,9 +70,9 @@ public class TestPdpGroupDeployControllerV1 extends CommonPapRestServer {
 
     @Test
     public void testDeployPolicies() throws Exception {
-        Entity<PdpPolicies> entgrp = makePdpPoliciesEntity();
+        final Entity<PdpPolicies> entgrp = makePdpPoliciesEntity();
 
-        Invocation.Builder invocationBuilder = sendRequest(DEPLOY_POLICIES_ENDPOINT);
+        final Invocation.Builder invocationBuilder = sendRequest(DEPLOY_POLICIES_ENDPOINT);
         Response rawresp = invocationBuilder.post(entgrp);
         PdpGroupDeployResponse resp = rawresp.readEntity(PdpGroupDeployResponse.class);
         assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
@@ -86,10 +88,10 @@ public class TestPdpGroupDeployControllerV1 extends CommonPapRestServer {
     }
 
     private Entity<PdpGroup> makePdpGroupEntity() {
-        PdpSubGroup subgrp = new PdpSubGroup();
+        final PdpSubGroup subgrp = new PdpSubGroup();
         subgrp.setPdpType("drools");
 
-        PdpGroup group = new PdpGroup();
+        final PdpGroup group = new PdpGroup();
         group.setName("drools-group");
         group.setDescription("my description");
         group.setVersion("my-version");
@@ -99,14 +101,14 @@ public class TestPdpGroupDeployControllerV1 extends CommonPapRestServer {
     }
 
     private Entity<PdpPolicies> makePdpPoliciesEntity() {
-        Policy pol1 = new Policy();
+        final Policy pol1 = new Policy();
         pol1.setName("policy-a");
         pol1.setPolicyVersion("1");
 
-        Policy pol2 = new Policy();
+        final Policy pol2 = new Policy();
         pol2.setName("policy-b");
 
-        PdpPolicies policies = new PdpPolicies();
+        final PdpPolicies policies = new PdpPolicies();
         policies.setPolicies(Arrays.asList(pol1, pol2));
 
         return Entity.entity(policies, MediaType.APPLICATION_JSON);
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java
new file mode 100644
index 00000000..f0bc12bd
--- /dev/null
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java
@@ -0,0 +1,64 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.core.Response;
+
+import org.junit.Test;
+import org.onap.policy.models.pap.concepts.PdpGroups;
+
+/**
+ * Class to perform unit test of {@link PdpGroupQueryControllerV1}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class TestPdpGroupQueryControllerV1 extends CommonPapRestServer {
+
+    private static final String GROUP_ENDPOINT = "pdps";
+
+    @Test
+    public void testSwagger() throws Exception {
+        super.testSwagger(GROUP_ENDPOINT);
+    }
+
+    @Test
+    public void testchangeGroupState() throws Exception {
+        final String uri = GROUP_ENDPOINT;
+
+        final Invocation.Builder invocationBuilder = sendRequest(uri);
+        Response rawresp = invocationBuilder.get();
+        PdpGroups resp = rawresp.readEntity(PdpGroups.class);
+        assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
+        assertNotNull(resp);
+
+        rawresp = invocationBuilder.get();
+        resp = rawresp.readEntity(PdpGroups.class);
+        assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
+        assertNotNull(resp);
+
+        // verify it fails when no authorization info is included
+        checkUnauthRequest(uri, req -> req.get());
+    }
+}
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java
new file mode 100644
index 00000000..d824b8b9
--- /dev/null
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.core.Response;
+
+import org.junit.Test;
+import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
+
+/**
+ * Class to perform unit test of {@link PdpGroupStateChangeControllerV1}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public class TestPdpGroupStateChangeControllerV1 extends CommonPapRestServer {
+
+    private static final String GROUP_ENDPOINT = "pdps/groups";
+
+    @Test
+    public void testSwagger() throws Exception {
+        super.testSwagger(GROUP_ENDPOINT + "/{name}/versions/{version}");
+    }
+
+    @Test
+    public void testchangeGroupState() throws Exception {
+        final String uri = GROUP_ENDPOINT + "/my-name/versions/1.2.3?state=ACTIVE";
+
+        final Invocation.Builder invocationBuilder = sendRequest(uri);
+        Response rawresp = invocationBuilder.put(Entity.json(""));
+        PdpGroupStateChangeResponse resp = rawresp.readEntity(PdpGroupStateChangeResponse.class);
+        assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
+        assertNull(resp.getErrorDetails());
+
+        rawresp = invocationBuilder.put(Entity.json(""));
+        resp = rawresp.readEntity(PdpGroupStateChangeResponse.class);
+        assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
+        assertNull(resp.getErrorDetails());
+
+        // verify it fails when no authorization info is included
+        checkUnauthRequest(uri, req -> req.put(Entity.json("")));
+    }
+}