1 files changed, 217 insertions, 0 deletions
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
new file mode 100644
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--- /dev/null
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
@@ -0,0 +1,217 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP PAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest.e2e;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.common.utils.services.Registry;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.pdp.concepts.PdpGroups;
+import org.onap.policy.models.provider.PolicyModelsProvider;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+import org.onap.policy.pap.main.PapConstants;
+import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
+import org.onap.policy.pap.main.PolicyPapRuntimeException;
+import org.onap.policy.pap.main.rest.CommonPapRestServer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.Yaml;
+
+public class End2EndBase extends CommonPapRestServer {
+    private static final Logger logger = LoggerFactory.getLogger(End2EndBase.class);
+
+    private static final Coder coder = new StandardCoder();
+    private static final Yaml yaml = new Yaml();
+
+    /**
+     * DB connection. This is kept open until {@link #stop()} is invoked so that the
+     * in-memory DB is not destroyed.
+     */
+    private static PolicyModelsProvider dbConn;
+
+    /**
+     * DAO provider factory.
+     */
+    private static PolicyModelsProviderFactoryWrapper daoFactory;
+
+    /**
+     * Context - should be initialized by setUp() method.
+     */
+    protected End2EndContext context = null;
+
+
+    /**
+     * Starts Main and connects to the DB.
+     *
+     * @throws Exception if an error occurs
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+        CommonPapRestServer.setUpBeforeClass();
+
+        daoFactory = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
+
+        try {
+            dbConn = daoFactory.create();
+        } catch (PfModelException e) {
+            throw new PolicyPapRuntimeException("cannot connect to DB", e);
+        }
+    }
+
+    /**
+     * Tears down.
+     */
+    @AfterClass
+    public static void tearDownAfterClass() {
+        try {
+            dbConn.close();
+        } catch (PfModelException e) {
+            logger.warn("failed to close the DB", e);
+        }
+
+        try {
+            daoFactory.close();
+        } catch (Exception e) {
+            logger.warn("failed to close DAO factory", e);
+        }
+
+        CommonPapRestServer.teardownAfterClass();
+    }
+
+    /**
+     * Tears down.
+     */
+    @After
+    public void tearDown() {
+        if (context != null) {
+            try {
+                context.stop();
+            } catch (Exception e) {
+                logger.warn("failed to stop end-to-end context", e);
+            }
+            context = null;
+        }
+
+        super.tearDown();
+    }
+
+    /**
+     * Adds Tosca Policy Types to the DB.
+     *
+     * @param yamlFile name of the YAML file specifying the data to be loaded
+     * @throws PfModelException if a DAO error occurs
+     */
+    public static void addToscaPolicyTypes(String yamlFile) throws PfModelException {
+        ToscaServiceTemplate serviceTemplate = loadYamlFile(yamlFile, ToscaServiceTemplate.class);
+        dbConn.createPolicyTypes(serviceTemplate);
+    }
+
+    /**
+     * Adds Tosca Policies to the DB.
+     *
+     * @param yamlFile name of the YAML file specifying the data to be loaded
+     * @throws PfModelException if a DAO error occurs
+     */
+    public static void addToscaPolicies(String yamlFile) throws PfModelException {
+        ToscaServiceTemplate serviceTemplate = loadYamlFile(yamlFile, ToscaServiceTemplate.class);
+        dbConn.createPolicies(serviceTemplate);
+    }
+
+    /**
+     * Adds PDP groups to the DB.
+     *
+     * @param jsonFile name of the JSON file specifying the data to be loaded
+     * @throws PfModelException if a DAO error occurs
+     */
+    public static void addGroups(String jsonFile) throws PfModelException {
+        PdpGroups groups = loadJsonFile(jsonFile, PdpGroups.class);
+
+        ValidationResult result = groups.validatePapRest();
+        if (!result.isValid()) {
+            throw new PolicyPapRuntimeException("cannot init DB groups from " + jsonFile + ":\n" + result.getResult());
+        }
+
+        dbConn.createPdpGroups(groups.getGroups());
+    }
+
+    /**
+     * Loads an object from a YAML file.
+     *
+     * @param fileName name of the file from which to load
+     * @param clazz the class of the object to be loaded
+     * @return the object that was loaded from the file
+     */
+    protected static <T> T loadYamlFile(String fileName, Class<T> clazz) {
+        File propFile = new File(ResourceUtils.getFilePath4Resource("e2e/" + fileName));
+
+        try (FileInputStream input = new FileInputStream(propFile)) {
+            Object yamlObject = yaml.load(input);
+            String json = coder.encode(yamlObject);
+            T result = coder.decode(json, clazz);
+
+            if (result == null) {
+                throw new PolicyPapRuntimeException("cannot decode " + clazz.getSimpleName() + " from " + fileName);
+            }
+
+            return result;
+
+        } catch (FileNotFoundException e) {
+            throw new PolicyPapRuntimeException("cannot find " + fileName, e);
+
+        } catch (IOException | CoderException e) {
+            throw new PolicyPapRuntimeException("cannot decode " + fileName, e);
+        }
+    }
+
+    /**
+     * Loads an object from a JSON file.
+     *
+     * @param fileName name of the file from which to load
+     * @param clazz the class of the object to be loaded
+     * @return the object that was loaded from the file
+     */
+    protected static <T> T loadJsonFile(String fileName, Class<T> clazz) {
+        String fileName2 = (fileName.startsWith("src/") ? fileName : "e2e/" + fileName);
+        File propFile = new File(ResourceUtils.getFilePath4Resource(fileName2));
+        try {
+            T result = coder.decode(propFile, clazz);
+
+            if (result == null) {
+                throw new PolicyPapRuntimeException("cannot decode " + clazz.getSimpleName() + " from " + fileName);
+            }
+
+            return result;
+
+        } catch (CoderException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}