Query deployed policies by regex

- Query deployed policies by regex on the name, for a given policy type

Issue-ID: POLICY-2535
Signed-off-by: arkadiusz.adamski <aadamski@est.tech>
Change-Id: Ia2be683d044b22e4104ae14e2ce301882091c8ea

2 files changed, 75 insertions, 1 deletions

diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
index 1d0c7aa7..fc86fef1 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019,2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019-2020 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,6 +22,7 @@
 
 package org.onap.policy.pap.main.rest;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 
 import javax.ws.rs.client.Invocation;
@@ -54,6 +55,14 @@ public class TestPolicyStatusControllerV1 extends CommonPapRestServer {
 
         // verify it fails when no authorization info is included
         checkUnauthRequest(uri, req -> req.get());
+        checkRequest(POLICY_STATUS_ENDPOINT);
+    }
+
+    @Test
+    public void testQueryAllDeployedPoliciesWithRegex() throws Exception {
+        checkRequest(POLICY_STATUS_ENDPOINT + "?regex=my.(1)name");
+        checkEmptyRegexRequest(POLICY_STATUS_ENDPOINT + "?regex=");
+        checkInvalidRegexRequest(POLICY_STATUS_ENDPOINT + "?regex=my-(name");
     }
 
     @Test
@@ -77,6 +86,16 @@ public class TestPolicyStatusControllerV1 extends CommonPapRestServer {
         checkRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name/my-name/1.2.3");
     }
 
+    @Test
+    public void testGetStatusOfPoliciesWithRegex() throws Exception {
+        checkRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name?regex=my-%3F%5Bmn%5Da.%7B1%7De");
+        checkRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name?regex=my.(1)name");
+        // my-?[mna.{1}e
+        checkInvalidRegexRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name?regex=my-%3F%5Bmna.%7B1%7De");
+        checkInvalidRegexRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name?regex=my.(1name");
+        checkEmptyRegexRequest(POLICY_DEPLOYMENT_STATUS_ENDPOINT + "/my-group-name?regex=");
+    }
+
     private void checkRequest(String uri) throws Exception {
         Invocation.Builder invocationBuilder = sendRequest(uri);
         Response rawresp = invocationBuilder.get();
@@ -85,4 +104,26 @@ public class TestPolicyStatusControllerV1 extends CommonPapRestServer {
         // verify it fails when no authorization info is included
         checkUnauthRequest(uri, req -> req.get());
     }
+
+    private void checkInvalidRegexRequest(String uri) throws Exception {
+        Invocation.Builder invocationBuilder = sendRequest(uri);
+        Response rawresp = invocationBuilder.get();
+        assertEquals(Response.Status.BAD_REQUEST.getStatusCode(), rawresp.getStatus());
+        final String entity = rawresp.readEntity(String.class);
+        assertThat(entity).contains("error parsing regexp");
+
+        // verify it fails when no authorization info is included
+        checkUnauthRequest(uri, req -> req.get());
+    }
+
+    private void checkEmptyRegexRequest(String uri) throws Exception {
+        Invocation.Builder invocationBuilder = sendRequest(uri);
+        Response rawresp = invocationBuilder.get();
+        assertEquals(Response.Status.BAD_REQUEST.getStatusCode(), rawresp.getStatus());
+        final String entity = rawresp.readEntity(String.class);
+        assertThat(entity).contains("empty string passed as a regex");
+
+        // 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/TestPolicyStatusProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
index 81ed6805..d3ff4ea6 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
+ * Modifications 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.
@@ -27,6 +28,7 @@ import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.when;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
@@ -197,6 +199,37 @@ public class TestPolicyStatusProvider extends ProviderSuper {
         assertThat(status.getState()).isEqualTo(State.FAILURE);
     }
 
+    @Test
+    public void testGetPolicyStatusByRegexNoMatch() throws PfModelException {
+        buildPolicyStatusToReturn1();
+        final String pattern = "Hello";
+
+        final Collection<PolicyStatus> actual = prov.getByRegex(pattern);
+        assertThat(actual).isEmpty();
+    }
+
+    @Test
+    public void testGetPolicyStatusOneMatch() throws PfModelException {
+        buildPolicyStatusToReturn1();
+        final String pattern = "My(We|Po)[li]{0,3}c.A";
+
+        final Collection<PolicyStatus> actual = prov.getByRegex(pattern);
+        assertThat(actual).hasSize(1);
+
+        final String actualName = actual.iterator().next().getPolicy().getName();
+        assertThat(actualName).isEqualTo("MyPolicyA");
+    }
+
+    @Test
+    public void testGetPolicyStatusAllMatch() throws PfModelException {
+        buildPolicyStatusToReturn1();
+        final String pattern = "My(We|Po)[li]{0,3}c.{2}0*";
+
+        final Collection<PolicyStatus> actual = prov.getByRegex(pattern);
+
+        assertThat(actual).hasSize(3);
+    }
+
     private void buildPolicyStatusToReturn1() throws PfModelException {
 
         PdpPolicyStatusBuilder builder = PdpPolicyStatus.builder().pdpGroup(MY_GROUP).pdpType(MY_PDP_TYPE)