Replace list-node content (part 2): CPS REST layer

Issue-ID: CPS-362
Change-Id: I46dc9b48758fa10a47a648aa4e6a63775466234b
Signed-off-by: Ruslan Kashapov <ruslan.kashapov@pantheon.tech>

3 files changed, 50 insertions, 1 deletions

diff --git a/cps-rest/docs/api/swagger/cpsData.yml b/cps-rest/docs/api/swagger/cpsData.yml
index c0cd85b28d..aa8a31dfcb 100755
--- a/cps-rest/docs/api/swagger/cpsData.yml
+++ b/cps-rest/docs/api/swagger/cpsData.yml
@@ -50,6 +50,32 @@ listNodeByDataspaceAndAnchor:
       '403':
         $ref: 'components.yml#/components/responses/Forbidden'
 
+  patch:
+    description: Replace list-node child elements under existing node for a given anchor and dataspace
+    tags:
+      - cps-data
+    summary: Replace list-node child element(s) under existing parent node
+    operationId: replaceListNodeElements
+    parameters:
+      - $ref: 'components.yml#/components/parameters/dataspaceNameInPath'
+      - $ref: 'components.yml#/components/parameters/anchorNameInPath'
+      - $ref: 'components.yml#/components/parameters/requiredXpathInQuery'
+    requestBody:
+      required: true
+      content:
+        application/json:
+          schema:
+            type: string
+    responses:
+      '200':
+        $ref: 'components.yml#/components/responses/Created'
+      '400':
+        $ref: 'components.yml#/components/responses/BadRequest'
+      '401':
+        $ref: 'components.yml#/components/responses/Unauthorized'
+      '403':
+        $ref: 'components.yml#/components/responses/Forbidden'
+
 nodesByDataspaceAndAnchor:
   post:
     description: Create a node for a given anchor and dataspace
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java b/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
index 3d16539b3e..0c70a6c2e9 100755
--- a/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
+++ b/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
@@ -87,6 +87,13 @@ public class DataRestController implements CpsDataApi {
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
+    @Override
+    public ResponseEntity<String> replaceListNodeElements(final String jsonData, final String parentNodeXpath,
+        final String dataspaceName, final String anchorName) {
+        cpsDataService.replaceListNodeData(dataspaceName, anchorName, parentNodeXpath, jsonData);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
     private static boolean isRootXpath(final String xpath) {
         return ROOT_XPATH.equals(xpath);
     }
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
index 18d20a8e20..344e603727 100755
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
@@ -142,7 +142,6 @@ class DataRestControllerSpec extends Specification {
             response.status == HttpStatus.CREATED.value()
         then: 'the java API was called with the correct parameters'
             1 * mockCpsDataService.saveListNodeData(dataspaceName, anchorName, parentNodeXpath, jsonData)
-
     }
 
     def 'Get data node with leaves'() {
@@ -230,4 +229,21 @@ class DataRestControllerSpec extends Specification {
             'root node by choice'  | '/'           || '/'
             'some xpath by parent' | '/some/xpath' || '/some/xpath'
     }
+
+    def 'Replace list node child elements.'() {
+        given: 'parent node xpath and json data inputs'
+            def parentNodeXpath = 'parent node xpath'
+            def jsonData = 'json data'
+        when: 'patch is invoked list-node endpoint'
+            def response = mvc.perform(
+                    patch("$dataNodeBaseEndpoint/anchors/$anchorName/list-node")
+                            .contentType(MediaType.APPLICATION_JSON)
+                            .param('xpath', parentNodeXpath)
+                            .content(jsonData)
+            ).andReturn().response
+        then: 'a success response is returned'
+            response.status == HttpStatus.OK.value()
+        then: 'the java API was called with the correct parameters'
+            1 * mockCpsDataService.replaceListNodeData(dataspaceName, anchorName, parentNodeXpath, jsonData)
+    }
 }