Copy policy-endpoints from drools-pdp to common

Issue-ID: POLICY-967
Change-Id: I374c155ee102c3e157c60d0a22d7191544abb76a
Signed-off-by: mmis <michael.morris@ericsson.com>

1 files changed, 227 insertions, 0 deletions

diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
new file mode 100644
index 00000000..eba96208
--- /dev/null
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
@@ -0,0 +1,227 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 2017 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.common.endpoints.http.server.test;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.ConnectException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.UUID;
+
+import org.junit.Test;
+import org.onap.policy.common.endpoints.http.server.HttpServletServer;
+import org.onap.policy.common.endpoints.http.server.HttpServletServerFactory;
+import org.onap.policy.common.endpoints.http.server.impl.IndexedHttpServletServerFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * HttpServletServer JUNIT tests
+ */
+public class HttpServerTest {
+
+    HttpServletServerFactory httpServletServerFactory = IndexedHttpServletServerFactory.getInstance();
+
+    /**
+     * Logger
+     */
+    private static Logger logger = LoggerFactory.getLogger(HttpServerTest.class);
+
+    @Test
+    public void testSingleServer() throws Exception {
+        logger.info("-- testSingleServer() --");
+
+        HttpServletServer server = httpServletServerFactory.build("echo", "localhost", 5678, "/", false, true);
+        server.addServletPackage("/*", this.getClass().getPackage().getName());
+        server.waitedStart(5000);
+
+        assertTrue(httpServletServerFactory.get(5678).isAlive());
+
+        String response = http(httpServletServerFactory.get(5678), "http://localhost:5678/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        response = null;
+        try {
+            response = http(httpServletServerFactory.get(5678), "http://localhost:5678/swagger.json");
+        } catch (IOException e) {
+            // Expected
+        }
+        assertTrue(response == null);
+
+        assertTrue(httpServletServerFactory.get(5678).isAlive());
+        assertTrue(httpServletServerFactory.inventory().size() == 1);
+
+        httpServletServerFactory.destroy(5678);
+        assertTrue(httpServletServerFactory.inventory().size() == 0);
+    }
+
+    @Test
+    public void testMultipleServers() throws Exception {
+        logger.info("-- testMultipleServers() --");
+
+        HttpServletServer server1 = httpServletServerFactory.build("echo-1", "localhost", 5688, "/", true, true);
+        server1.addServletPackage("/*", this.getClass().getPackage().getName());
+        server1.waitedStart(5000);
+
+        HttpServletServer server2 = httpServletServerFactory.build("echo-2", "localhost", 5689, "/", false, true);
+        server2.addServletPackage("/*", this.getClass().getPackage().getName());
+        server2.waitedStart(5000);
+
+        assertTrue(httpServletServerFactory.get(5688).isAlive());
+        assertTrue(httpServletServerFactory.get(5689).isAlive());
+
+        String response = http(httpServletServerFactory.get(5688), "http://localhost:5688/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        response = http(httpServletServerFactory.get(5688), "http://localhost:5688/swagger.json");
+        assertTrue(response != null);
+
+        response = http(httpServletServerFactory.get(5689), "http://localhost:5689/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        response = null;
+        try {
+            response = http(httpServletServerFactory.get(5689), "http://localhost:5689/swagger.json");
+        } catch (IOException e) {
+            // Expected
+        }
+        assertTrue(response == null);
+
+        httpServletServerFactory.destroy();
+        assertTrue(httpServletServerFactory.inventory().size() == 0);
+    }
+
+    @Test
+    public void testMultiServicePackage() throws Exception {
+        logger.info("-- testMultiServicePackage() --");
+
+        String randomName = UUID.randomUUID().toString();
+
+        HttpServletServer server = httpServletServerFactory.build(randomName, "localhost", 5668, "/", false, true);
+        server.addServletPackage("/*", this.getClass().getPackage().getName());
+        server.waitedStart(5000);
+
+        assertTrue(httpServletServerFactory.get(5668).isAlive());
+
+        String response = http(httpServletServerFactory.get(5668), "http://localhost:5668/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        response = http(httpServletServerFactory.get(5668), "http://localhost:5668/junit/endpoints/http/servers");
+        assertTrue(response.contains(randomName));
+
+        httpServletServerFactory.destroy();
+        assertTrue(httpServletServerFactory.inventory().size() == 0);
+    }
+
+    @Test
+    public void testServiceClass() throws Exception {
+        logger.info("-- testServiceClass() --");
+        String randomName = UUID.randomUUID().toString();
+
+        HttpServletServer server = httpServletServerFactory.build(randomName, "localhost", 5658, "/", false, true);
+        server.addServletClass("/*", RestEchoService.class.getCanonicalName());
+        server.waitedStart(5000);
+
+        assertTrue(httpServletServerFactory.get(5658).isAlive());
+
+        String response = http(httpServletServerFactory.get(5658), "http://localhost:5658/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        httpServletServerFactory.destroy();
+        assertTrue(httpServletServerFactory.inventory().size() == 0);
+    }
+
+    @Test
+    public void testMultiServiceClass() throws Exception {
+        logger.info("-- testMultiServiceClass() --");
+
+        String randomName = UUID.randomUUID().toString();
+
+        HttpServletServer server = httpServletServerFactory.build(randomName, "localhost", 5648, "/", false, true);
+        server.addServletClass("/*", RestEchoService.class.getCanonicalName());
+        server.addServletClass("/*", RestEndpoints.class.getCanonicalName());
+        server.waitedStart(5000);
+
+        assertTrue(httpServletServerFactory.get(5648).isAlive());
+
+        String response = http(httpServletServerFactory.get(5648), "http://localhost:5648/junit/echo/hello");
+        assertTrue("hello".equals(response));
+
+        response = http(httpServletServerFactory.get(5648), "http://localhost:5648/junit/endpoints/http/servers");
+        assertTrue(response.contains(randomName));
+
+        httpServletServerFactory.destroy();
+        assertTrue(httpServletServerFactory.inventory().size() == 0);
+    }
+
+    /**
+     * performs an http request
+     * 
+     * @throws MalformedURLException
+     * @throws IOException
+     * @throws InterruptedException
+     */
+    protected String http(HttpServletServer server, String aUrl)
+            throws MalformedURLException, IOException, InterruptedException {
+        URL url = new URL(aUrl);
+        String response = null;
+        int numRetries = 1, maxNumberRetries = 5;
+        while (numRetries <= maxNumberRetries) {
+            try {
+                response = response(url);
+                break;
+            } catch (ConnectException e) {
+                logger.warn("http server {} @ {} ({}) - cannot connect yet ..", server, aUrl, numRetries, e);
+                numRetries++;
+                Thread.sleep(10000L);
+            } catch (Exception e) {
+                throw e;
+            }
+        }
+
+        return response;
+    }
+
+    /**
+     * gets http response
+     * 
+     * @param url url
+     * 
+     * @throws IOException
+     */
+    protected String response(URL url) throws IOException {
+        String response = "";
+        try (BufferedReader ioReader = new BufferedReader(new InputStreamReader(url.openStream()))) {
+            String line;
+            while ((line = ioReader.readLine()) != null) {
+                response += line;
+            }
+        }
+        return response;
+    }
+
+
+
+}