Add support for retrieving apex-policyModel from metadata

Apex policyModel had been provided under policy properties for apex-pdp.
Additional support included to retrieve the policyModel from metadata if PAP supplied it
as metadataSet.

Issue-ID: POLICY-3834
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: Ic810d78cf01c507c5b4d167f28ae6f7729132238

1 files changed, 47 insertions, 1 deletions

diff --git a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/parameters/ApexParametersTest.java b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/parameters/ApexParametersTest.java
index a0169d7e3..dd76374d8 100644
--- a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/parameters/ApexParametersTest.java
+++ b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/parameters/ApexParametersTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation.
+ *  Modifications Copyright (C) 2020,2022 Nordix Foundation.
  *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
@@ -23,6 +23,7 @@
 
 package org.onap.policy.apex.service.engine.parameters;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -79,6 +80,51 @@ public class ApexParametersTest {
     }
 
     @Test
+    public void testPolicyModelFromMetadata() throws ParameterException {
+        // Policy Models provided only in metadata.
+        final String[] args = {"-p", "src/test/resources/parameters/policyModelFromMetadata.json"};
+        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);
+
+        ApexParameters parameters = new ApexParameterHandler().getParameters(arguments);
+
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel()).isNotEmpty();
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel())
+            .contains("{\"key\":{\"name\":\"dummy key1 provided in metadata\",\"version\":\"0.0.1\"},\"keyInformation\""
+                + ":{\"key\":{\"name\":\"dummy key2 provided in metadata\",\"version\":\"0.0.1\"}},"
+                + "\"threshold\":3.15,\"state\":\"passive\"}");
+    }
+
+    @Test
+    public void testPolicyModelFromProperties() throws ParameterException {
+        // Policy models provided in properties under EngineServiceParameters for backward compatibility
+        final String[] args = {"-p", "src/test/resources/parameters/policyModelFromProperties.json"};
+        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);
+
+        ApexParameters parameters = new ApexParameterHandler().getParameters(arguments);
+
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel()).isNotEmpty();
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel())
+            .contains("{\"key\":{\"name\":\"dummy key1 provided in properties\",\"version\":\"0.0.1\"},"
+                + "\"keyInformation\":{\"key\":{\"name\":\"dummy key2 provided in properties\","
+                + "\"version\":\"0.0.1\"}},\"threshold\":3.15,\"state\":\"passive\"}");
+    }
+
+    @Test
+    public void testPolicyModelFromPropertiesAndMetadata() throws ParameterException {
+        // Policy models provided in both properties and in metadata. policyModels in metadata takes precedence
+        final String[] args = {"-p", "src/test/resources/parameters/policyModelMultiple.json"};
+        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);
+
+        ApexParameters parameters = new ApexParameterHandler().getParameters(arguments);
+
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel()).isNotEmpty();
+        assertThat(parameters.getEngineServiceParameters().getPolicyModel())
+            .contains("{\"key\":{\"name\":\"dummy key1 provided in metadata\",\"version\":\"0.0.1\"},"
+                + "\"keyInformation\":{\"key\":{\"name\":\"dummy key2 provided in metadata\","
+                + "\"version\":\"0.0.1\"}},\"threshold\":3.15,\"state\":\"passive\"}");
+    }
+
+    @Test
     public void testGettersSetters() {
         ApexParameters pars = new ApexParameters();
         assertNotNull(pars);