Add provider for Tosca Policies

Provider working from JAVA API call through to database and
back for TOSCA policies with full unit test.

Issue-ID: POLICY-1195
Change-Id: I82cf3b513b4921dcb2e6726856aa4fbeb7d0d816
Signed-off-by: liamfallon <liam.fallon@est.tech>

2 files changed, 284 insertions, 1 deletions

diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/concepts/ToscaTopologyTemplateTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/concepts/ToscaTopologyTemplateTest.java
index 3ea225d19..d35c3d661 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/concepts/ToscaTopologyTemplateTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/concepts/ToscaTopologyTemplateTest.java
@@ -118,7 +118,7 @@ public class ToscaTopologyTemplateTest {
         ttt.clean();
         assertEquals(tttClone0, ttt);
 
-        assertFalse(new ToscaTopologyTemplate().validate(new PfValidationResult()).isValid());
+        assertTrue(new ToscaTopologyTemplate().validate(new PfValidationResult()).isValid());
         assertTrue(ttt.validate(new PfValidationResult()).isValid());
 
         ttt.setDescription(null);
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java
new file mode 100644
index 000000000..ed25a7a25
--- /dev/null
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java
@@ -0,0 +1,283 @@
+/*-
+ * ============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.models.tosca.simple.provider;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+import com.google.gson.Gson;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.models.base.PfConceptKey;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.dao.DaoParameters;
+import org.onap.policy.models.dao.PfDao;
+import org.onap.policy.models.dao.PfDaoFactory;
+import org.onap.policy.models.dao.impl.DefaultPfDao;
+import org.onap.policy.models.tosca.simple.concepts.ToscaPolicies;
+import org.onap.policy.models.tosca.simple.concepts.ToscaServiceTemplate;
+import org.onap.policy.models.tosca.simple.concepts.ToscaTopologyTemplate;
+import org.onap.policy.models.tosca.simple.serialization.ToscaServiceTemplateMessageBodyHandler;
+
+/**
+ * Test the {@link SimpleToscaProvider} class.
+ *
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public class SimpleToscaProviderTest {
+    private Connection connection;
+    private PfDao pfDao;
+    private Gson gson;
+
+
+    /**
+     * Set up the DAO towards the database.
+     *
+     * @throws Exception on database errors
+     */
+    @Before
+    public void setupDao() throws Exception {
+        // Use the JDBC UI "jdbc:h2:mem:testdb" to test towards the h2 database
+        // Use the JDBC UI "jdbc:mariadb://localhost:3306/policy" to test towards a locally installed mariadb instance
+        connection = DriverManager.getConnection("jdbc:h2:mem:testdb", "policy", "P01icY");
+
+        final DaoParameters daoParameters = new DaoParameters();
+        daoParameters.setPluginClass(DefaultPfDao.class.getCanonicalName());
+
+        // Use the persistence unit ToscaConceptTest to test towards the h2 database
+        // Use the persistence unit ToscaConceptMariaDBTest to test towards a locally installed mariadb instance
+        daoParameters.setPersistenceUnit("ToscaConceptTest");
+
+        pfDao = new PfDaoFactory().createPfDao(daoParameters);
+        pfDao.init(daoParameters);
+    }
+
+    /**
+     * Set up GSON.
+     */
+    @Before
+    public void setupGson() {
+        gson = new ToscaServiceTemplateMessageBodyHandler().getGson();
+    }
+
+    @After
+    public void teardown() throws Exception {
+        pfDao.close();
+        connection.close();
+    }
+
+    @Test
+    public void testPoliciesGet() throws PfModelException {
+        try {
+            new SimpleToscaProvider().getPolicies(null, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().getPolicies(null, new PfConceptKey());
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().getPolicies(pfDao, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("policyKey is marked @NonNull but is null", exc.getMessage());
+        }
+
+        ToscaServiceTemplate originalServiceTemplate =
+                gson.fromJson(ResourceUtils.getResourceAsString("policies/vCPE.policy.monitoring.input.tosca.json"),
+                        ToscaServiceTemplate.class);
+
+        assertNotNull(originalServiceTemplate);
+        ToscaServiceTemplate createdServiceTemplate =
+                new SimpleToscaProvider().createPolicies(pfDao, originalServiceTemplate);
+
+        assertEquals(originalServiceTemplate, createdServiceTemplate);
+
+        PfConceptKey policyKey = new PfConceptKey("onap.restart.tca:1.0.0");
+
+        ToscaServiceTemplate gotServiceTemplate =
+                new SimpleToscaProvider().getPolicies(pfDao, new PfConceptKey(policyKey));
+
+        assertEquals(originalServiceTemplate.getTopologyTemplate().getPolicies().get(policyKey),
+                gotServiceTemplate.getTopologyTemplate().getPolicies().get(policyKey));
+
+    }
+
+    @Test
+    public void testPolicyCreate() throws PfModelException {
+        try {
+            new SimpleToscaProvider().createPolicies(null, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().createPolicies(null, new ToscaServiceTemplate());
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().createPolicies(pfDao, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("serviceTemplate is marked @NonNull but is null", exc.getMessage());
+        }
+
+        ToscaServiceTemplate originalServiceTemplate =
+                gson.fromJson(ResourceUtils.getResourceAsString("policies/vCPE.policy.monitoring.input.tosca.json"),
+                        ToscaServiceTemplate.class);
+
+        assertNotNull(originalServiceTemplate);
+        ToscaServiceTemplate createdServiceTemplate =
+                new SimpleToscaProvider().createPolicies(pfDao, originalServiceTemplate);
+
+        assertEquals(originalServiceTemplate, createdServiceTemplate);
+    }
+
+    @Test
+    public void testPolicyUpdate() throws PfModelException {
+        try {
+            new SimpleToscaProvider().updatePolicies(null, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().updatePolicies(null, new ToscaServiceTemplate());
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().updatePolicies(pfDao, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("serviceTemplate is marked @NonNull but is null", exc.getMessage());
+        }
+
+        ToscaServiceTemplate originalServiceTemplate =
+                gson.fromJson(ResourceUtils.getResourceAsString("policies/vCPE.policy.monitoring.input.tosca.json"),
+                        ToscaServiceTemplate.class);
+
+        assertNotNull(originalServiceTemplate);
+        ToscaServiceTemplate updatedServiceTemplate =
+                new SimpleToscaProvider().updatePolicies(pfDao, originalServiceTemplate);
+
+        assertEquals(originalServiceTemplate, updatedServiceTemplate);
+    }
+
+    @Test
+    public void testPoliciesDelete() throws PfModelException {
+        try {
+            new SimpleToscaProvider().deletePolicies(null, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().deletePolicies(null, new PfConceptKey());
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("dao is marked @NonNull but is null", exc.getMessage());
+        }
+
+        try {
+            new SimpleToscaProvider().deletePolicies(pfDao, null);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("policyKey is marked @NonNull but is null", exc.getMessage());
+        }
+
+        ToscaServiceTemplate originalServiceTemplate =
+                gson.fromJson(ResourceUtils.getResourceAsString("policies/vCPE.policy.monitoring.input.tosca.json"),
+                        ToscaServiceTemplate.class);
+
+        assertNotNull(originalServiceTemplate);
+        ToscaServiceTemplate createdServiceTemplate =
+                new SimpleToscaProvider().createPolicies(pfDao, originalServiceTemplate);
+
+        assertEquals(originalServiceTemplate, createdServiceTemplate);
+
+        PfConceptKey policyKey = new PfConceptKey("onap.restart.tca:1.0.0");
+
+        ToscaServiceTemplate deletedServiceTemplate =
+                new SimpleToscaProvider().deletePolicies(pfDao, new PfConceptKey(policyKey));
+
+        assertEquals(originalServiceTemplate.getTopologyTemplate().getPolicies().get(policyKey),
+                deletedServiceTemplate.getTopologyTemplate().getPolicies().get(policyKey));
+
+        try {
+            new SimpleToscaProvider().getPolicies(pfDao, new PfConceptKey(policyKey));
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("policy not found: onap.restart.tca:1.0.0", exc.getMessage());
+        }
+    }
+
+    @Test
+    public void testAssertPoliciesExist() throws PfModelException {
+        ToscaServiceTemplate testServiceTemplate = new ToscaServiceTemplate();
+
+        try {
+            new SimpleToscaProvider().createPolicies(pfDao, testServiceTemplate);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("topology template not specified on service template", exc.getMessage());
+        }
+
+        testServiceTemplate.setTopologyTemplate(new ToscaTopologyTemplate());
+        try {
+            new SimpleToscaProvider().createPolicies(pfDao, testServiceTemplate);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("no policies specified on topology template of service template", exc.getMessage());
+        }
+
+        testServiceTemplate.getTopologyTemplate().setPolicies(new ToscaPolicies());
+        try {
+            new SimpleToscaProvider().createPolicies(pfDao, testServiceTemplate);
+            fail("test should throw an exception here");
+        } catch (Exception exc) {
+            assertEquals("list of policies specified on topology template of service template is empty",
+                    exc.getMessage());
+        }
+
+    }
+}