Persistence layer - Query Datanodes using cpsPath that contains contains a leaf name and a leaf value

Issue-ID: CPS-231
Signed-off-by: niamhcore <niamh.core@est.tech>
Change-Id: I9bd483a4b76e233ab6c64b3ef8aacb593e4e9da0

2 files changed, 92 insertions, 4 deletions

diff --git a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsDataPersistenceServiceSpec.groovy b/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsDataPersistenceServiceSpec.groovy
index a6e4701366..015893817a 100644
--- a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsDataPersistenceServiceSpec.groovy
+++ b/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsDataPersistenceServiceSpec.groovy
@@ -19,9 +19,6 @@
  */
 package org.onap.cps.spi.impl
 
-import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
-import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS
-
 import com.google.common.collect.ImmutableSet
 import com.google.gson.Gson
 import com.google.gson.GsonBuilder
@@ -37,6 +34,9 @@ import org.springframework.dao.DataIntegrityViolationException
 import org.springframework.test.context.jdbc.Sql
 import spock.lang.Unroll
 
+import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
+import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS
+
 class CpsDataPersistenceServiceSpec extends CpsPersistenceSpecBase {
 
     @Autowired
@@ -87,6 +87,7 @@ class CpsDataPersistenceServiceSpec extends CpsPersistenceSpecBase {
             grandchildFragment.xpath == grandChildXpath
     }
 
+    @Unroll
     @Sql([CLEAR_DATA, SET_DATA])
     def 'Store datanode error scenario: #scenario.'() {
         when: 'attempt to store a data node with #scenario'
@@ -116,6 +117,7 @@ class CpsDataPersistenceServiceSpec extends CpsPersistenceSpecBase {
             parentFragment.getChildFragments().find({ it.xpath == newChild.xpath })
     }
 
+    @Unroll
     @Sql([CLEAR_DATA, SET_DATA])
     def 'Add child error scenario: #scenario.'() {
         when: 'attempt to add a child data node with #scenario'
@@ -283,7 +285,7 @@ class CpsDataPersistenceServiceSpec extends CpsPersistenceSpecBase {
     @Sql([CLEAR_DATA, SET_DATA])
     def 'Replace data node tree error scenario: #scenario.'() {
         given: 'data node object'
-            def submittedDataNode = buildDataNode(xpath, ['leaf-name':'leaf-value'], [])
+            def submittedDataNode = buildDataNode(xpath, ['leaf-name': 'leaf-value'], [])
         when: 'attempt to update data node for #scenario'
             objectUnderTest.replaceDataNodeTree(dataspaceName, anchorName, submittedDataNode)
         then: 'a #expectedException is thrown'
@@ -302,4 +304,35 @@ class CpsDataPersistenceServiceSpec extends CpsPersistenceSpecBase {
     static Map<String, Object> getLeavesMap(FragmentEntity fragmentEntity) {
         return GSON.fromJson(fragmentEntity.getAttributes(), Map<String, Object>.class)
     }
+
+    @Unroll
+    @Sql([CLEAR_DATA, SET_DATA])
+    def 'Cps Path query for single leaf value with type: #type.'() {
+        when: 'a query is executed to get a data node by the given cps path'
+            def result = objectUnderTest.queryDataNodes(DATASPACE_NAME, ANCHOR_FOR_DATA_NODES_WITH_LEAVES, cpsPath)
+        then: 'the correct data is returned'
+            def leaves ='[common-leaf-name:common-leaf-value, common-leaf-name-int:5.0]'
+            result.size() == 1
+            def dataNode = result.stream().findFirst().get()
+            dataNode.getLeaves().toString() == leaves
+        where: 'the following data is used'
+            type      | cpsPath
+            'String'  | '/parent-200/child-202[@common-leaf-name=\'common-leaf-value\']'
+            'Integer' | '/parent-200/child-202[@common-leaf-name-int=5]'
+    }
+
+    @Unroll
+    @Sql([CLEAR_DATA, SET_DATA])
+    def 'Query for attribute by cps path with cps paths that return no data because of #scenario.'() {
+        when: 'a query is executed to get datanodes for the given cps path'
+            def result = objectUnderTest.queryDataNodes(DATASPACE_NAME, ANCHOR_FOR_DATA_NODES_WITH_LEAVES, cpsPath)
+        then: 'no data is returned'
+            result.isEmpty()
+        where: 'following cps queries are performed'
+            scenario                         | cpsPath
+            'cps path is incomplete'               | '/parent-200[@common-leaf-name-int=5]'
+            'missing / at beginning of path' | 'parent-200/child-202[@common-leaf-name-int=5]'
+            'leaf value does not exist'      | '/parent-200/child-202[@common-leaf-name=\'does not exist\']'
+            'incomplete end of xpath prefix' | '/parent-200/child-20[@common-leaf-name-int=5]'
+    }
 }
diff --git a/cps-ri/src/test/groovy/org/onap/cps/spi/query/CpsPathQuerySpec.groovy b/cps-ri/src/test/groovy/org/onap/cps/spi/query/CpsPathQuerySpec.groovy
new file mode 100644
index 0000000000..1e457fb062
--- /dev/null
+++ b/cps-ri/src/test/groovy/org/onap/cps/spi/query/CpsPathQuerySpec.groovy
@@ -0,0 +1,55 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.cps.spi.query
+
+import org.onap.cps.spi.exceptions.CpsPathException
+import spock.lang.Specification
+import spock.lang.Unroll
+
+class CpsPathQuerySpec extends Specification {
+
+    def objectUnderTest = new CpsPathQuery()
+
+    @Unroll
+    def 'Parse cps path with valid cps path and a filter for a leaf of type : #type.'()
+    {   when: 'the given cps path is parsed'
+        def result = objectUnderTest.createFrom(cpsPath)
+        then: 'object has the expected attribute'
+            result.xpathPrefix == '/parent-200/child-202'
+            result.leafName == expectedLeafName
+            result.leafValue == expectedLeafValue
+        where: 'the following data is used'
+            type      | cpsPath                                                          || expectedLeafName       | expectedLeafValue
+            'String'  | '/parent-200/child-202[@common-leaf-name=\'common-leaf-value\']' || 'common-leaf-name'     | 'common-leaf-value'
+            'Integer' | '/parent-200/child-202[@common-leaf-name-int=5]'                 || 'common-leaf-name-int' | 5
+    }
+
+    @Unroll
+    def 'Parse cps path with : #scenario.'()
+    {   when: 'the given cps path is parsed'
+            objectUnderTest.createFrom(cpsPath)
+        then: 'a CpsPathException is thrown'
+            thrown(CpsPathException)
+        where: 'the following data is used'
+            scenario                    | cpsPath
+            'invalid cps path'          | 'invalid-cps-path'
+            'cps path with float value' | '/parent-200/child-202[@common-leaf-name-float=5.0]'
+    }
+}