diff options
Diffstat (limited to 'feature-simulators/src')
2 files changed, 487 insertions, 0 deletions
diff --git a/feature-simulators/src/main/java/org/onap/policy/drools/simulators/DMaaPSimulatorJaxRs.java b/feature-simulators/src/main/java/org/onap/policy/drools/simulators/DMaaPSimulatorJaxRs.java new file mode 100644 index 00000000..bdabc6ee --- /dev/null +++ b/feature-simulators/src/main/java/org/onap/policy/drools/simulators/DMaaPSimulatorJaxRs.java @@ -0,0 +1,123 @@ +/*- + * ============LICENSE_START======================================================= + * feature-simulators + * ================================================================================ + * 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.drools.simulators; + +import java.io.IOException; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.BlockingQueue; + +import javax.servlet.http.HttpServletResponse; +import javax.ws.rs.Consumes; +import javax.ws.rs.DefaultValue; +import javax.ws.rs.GET; +import javax.ws.rs.POST; +import javax.ws.rs.Path; +import javax.ws.rs.PathParam; +import javax.ws.rs.QueryParam; +import javax.ws.rs.core.Context; +import javax.ws.rs.core.MediaType; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@Path("/events") +public class DMaaPSimulatorJaxRs { + + private static final Map<String, BlockingQueue<String>> queues = new ConcurrentHashMap<>(); + private static final Logger logger = LoggerFactory.getLogger(DMaaPSimulatorJaxRs.class); + private static int responseCode = 200; + + @GET + @Path("/{topicName}/{consumeGroup}/{consumerId}") + public String subscribe(@DefaultValue("0") @QueryParam("timeout") int timeout, @PathParam("topicName") String topicName, + @Context final HttpServletResponse httpResponse) { + int currentRespCode = responseCode; + httpResponse.setStatus(currentRespCode); + try { + httpResponse.flushBuffer(); + } catch (IOException e) { + final Logger logger = LoggerFactory.getLogger(DMaaPSimulatorJaxRs.class); + logger.error("flushBuffer threw: ", e); + return "Got an error"; + } + + if (currentRespCode < 200 || currentRespCode >= 300) + { + return "You got response code: " + currentRespCode; + } + if (queues.containsKey(topicName)) { + BlockingQueue<String> queue = queues.get(topicName); + String response = "No Data"; + try { + response = queue.poll(timeout, TimeUnit.MILLISECONDS); + } catch (InterruptedException e) { + logger.debug("error in DMaaP simulator", e); + } + if (response == null) { + response = "No Data"; + } + return response; + } + else if (timeout > 0) { + try { + Thread.sleep(timeout); + if (queues.containsKey(topicName)) { + BlockingQueue<String> queue = queues.get(topicName); + String response = queue.poll(); + if (response == null) { + response = "No Data"; + } + return response; + } + } catch (InterruptedException e) { + logger.debug("error in DMaaP simulator", e); + } + } + return "No topic"; + } + + @POST + @Path("/{topicName}") + @Consumes(MediaType.TEXT_PLAIN) + public String publish(@PathParam("topicName") String topicName, String body) { + if (queues.containsKey(topicName)) { + BlockingQueue<String> queue = queues.get(topicName); + queue.offer(body); + } + else { + BlockingQueue<String> queue = new LinkedBlockingQueue<>(); + queue.offer(body); + queues.put(topicName, queue); + } + + return ""; + } + + @POST + @Path("/setStatus") + public String setStatus(@QueryParam("statusCode") int statusCode) { + responseCode = statusCode; + return "Status code set"; + } +} diff --git a/feature-simulators/src/test/java/org/onap/policy/drools/simulators/DMaaPSimulatorTest.java b/feature-simulators/src/test/java/org/onap/policy/drools/simulators/DMaaPSimulatorTest.java new file mode 100644 index 00000000..415c5206 --- /dev/null +++ b/feature-simulators/src/test/java/org/onap/policy/drools/simulators/DMaaPSimulatorTest.java @@ -0,0 +1,364 @@ +/*- + * ============LICENSE_START======================================================= + * feature-simulators + * ================================================================================ + * 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.drools.simulators; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.fail; + +import java.io.BufferedReader; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.net.HttpURLConnection; +import java.net.URL; +import java.net.URLConnection; +import java.nio.charset.StandardCharsets; + +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; +import org.onap.policy.drools.http.server.HttpServletServer; +import org.onap.policy.drools.utils.LoggerUtil; +import org.onap.policy.drools.utils.NetworkUtil; + +public class DMaaPSimulatorTest { + + private static final int DMAAPSIM_SERVER_PORT = 6670; + @BeforeClass + public static void setUpSimulator() { + LoggerUtil.setLevel("ROOT", "INFO"); + LoggerUtil.setLevel("org.eclipse.jetty", "WARN"); + try { + final HttpServletServer testServer = HttpServletServer.factory.build("dmaapSim", + "localhost", DMAAPSIM_SERVER_PORT, "/", false, true); + testServer.addServletClass("/*", DMaaPSimulatorJaxRs.class.getName()); + testServer.waitedStart(5000); + if (!NetworkUtil.isTcpPortOpen("localhost", testServer.getPort(), 5, 10000L)) + throw new IllegalStateException("cannot connect to port " + testServer.getPort()); + } catch (final Exception e) { + fail(e.getMessage()); + } + } + + @AfterClass + public static void tearDownSimulator() { + HttpServletServer.factory.destroy(); + } + + @Test + public void testGetNoData() { + int timeout = 1000; + Pair <Integer, String> response = dmaapGet("myTopicNoData", timeout); + assertNotNull(response); + assertNotNull(response.a); + assertEquals("No topic", response.b); + } + + @Test + public void testSinglePost() { + String myTopic = "myTopicSinglePost"; + String testData = "This is some test data"; + Pair<Integer, String> response = dmaapPost(myTopic, testData); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet(myTopic, 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(testData, response.b); + } + + @Test + public void testOneTopicMultiPost() { + String[] data = {"data point 1", "data point 2", "something random"}; + String myTopic = "myTopicMultiPost"; + Pair<Integer, String> response = dmaapPost(myTopic, data[0]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapPost(myTopic, data[1]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapPost(myTopic, data[2]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet(myTopic, 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[0], response.b); + + response = dmaapGet(myTopic, 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[1], response.b); + + response = dmaapGet(myTopic, 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[2], response.b); + } + + @Test + public void testMultiTopic() { + String[][] data = {{"Topic one message one", "Topic one message two"}, {"Topic two message one", "Topic two message two"}}; + String[] topics = {"topic1", "topic2"}; + + Pair<Integer, String> response = dmaapPost(topics[0], data[0][0]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet(topics[0], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[0][0], response.b); + + response = dmaapGet(topics[1], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals("No topic", response.b); + + response = dmaapPost(topics[1], data[1][0]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapPost(topics[1], data[1][1]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapPost(topics[0], data[0][1]); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet(topics[1], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[1][0], response.b); + + response = dmaapGet(topics[0], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[0][1], response.b); + + response = dmaapGet(topics[1], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals(data[1][1], response.b); + + response = dmaapGet(topics[0], 1000); + assertNotNull(response); + assertNotNull(response.a); + assertEquals("No Data", response.b); + } + + @Test + public void testResponseCode() { + Pair<Integer, String> response = dmaapPost("myTopic", "myTopicData"); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = setStatus(503); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet("myTopic", 500); + assertNotNull(response); + assertEquals(503, response.a.intValue()); + assertEquals("You got response code: 503", response.b); + + response = setStatus(202); + assertNotNull(response); + assertNotNull(response.a); + assertNotNull(response.b); + + response = dmaapGet("myTopic", 500); + assertNotNull(response); + assertEquals(202, response.a.intValue()); + assertEquals("myTopicData", response.b); + } + + private static Pair<Integer, String> dmaapGet (String topic, int timeout) { + return dmaapGet(topic, "1", "1", timeout); + } + + private static Pair<Integer, String> dmaapGet (String topic, String consumerGroup, String consumerId, int timeout) { + String url = "http://localhost:" + DMAAPSIM_SERVER_PORT + "/events/" + topic + "/" + consumerGroup + "/" + consumerId + "?timeout=" + timeout; + try { + URLConnection conn = new URL(url).openConnection(); + HttpURLConnection httpConn = null; + if (conn instanceof HttpURLConnection) { + httpConn = (HttpURLConnection) conn; + } + else { + fail("connection not set up right"); + } + httpConn.setRequestMethod("GET"); + httpConn.connect(); + String response = ""; + try (BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream()))) { + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + catch (IOException e) { + if (e.getMessage().startsWith("Server returned HTTP response code")) { + System.out.println("hi"); + BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getErrorStream())); + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + else { + fail("we got an exception: " + e); + } + } + } + catch (Exception e) { + fail("we got an exception" + e); + } + + return null; + } + + private static Pair<Integer, String> dmaapPost (String topic, String data) { + String url = "http://localhost:" + DMAAPSIM_SERVER_PORT + "/events/" + topic; + byte[] postData = data.getBytes(StandardCharsets.UTF_8); + try { + URLConnection conn = new URL(url).openConnection(); + HttpURLConnection httpConn = null; + if (conn instanceof HttpURLConnection) { + httpConn = (HttpURLConnection) conn; + } + else { + fail("connection not set up right"); + } + httpConn.setRequestMethod("POST"); + httpConn.setDoOutput(true); + httpConn.setRequestProperty( "Content-Type", "text/plain"); + httpConn.setRequestProperty("Content-Length", ""+postData.length); + httpConn.connect(); + String response = ""; + try (DataOutputStream connWriter = new DataOutputStream(httpConn.getOutputStream())) { + connWriter.write(postData); + connWriter.flush(); + } + try (BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream()))) { + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + catch (IOException e) { + if (e.getMessage().startsWith("Server returned HTTP response code")) { + System.out.println("hi"); + BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getErrorStream())); + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + else { + fail("we got an exception: " + e); + } + } + } + catch (Exception e) { + fail("we got an exception: " + e); + } + return null; + } + + private static Pair<Integer, String> setStatus (int status) { + String url = "http://localhost:" + DMAAPSIM_SERVER_PORT + "/events/setStatus?statusCode=" + status; + try { + URLConnection conn = new URL(url).openConnection(); + HttpURLConnection httpConn = null; + if (conn instanceof HttpURLConnection) { + httpConn = (HttpURLConnection) conn; + } + else { + fail("connection not set up right"); + } + httpConn.setRequestMethod("POST"); + httpConn.connect(); + String response = ""; + try (BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream()))) { + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + catch (IOException e) { + if (e.getMessage().startsWith("Server returned HTTP response code")) { + System.out.println("hi"); + BufferedReader connReader = new BufferedReader(new InputStreamReader(httpConn.getErrorStream())); + String line; + while((line = connReader.readLine()) != null) { + response += line; + } + httpConn.disconnect(); + return new Pair<Integer, String>(httpConn.getResponseCode(), response); + } + else { + fail("we got an exception: " + e); + } + } + } + catch (Exception e) { + fail("we got an exception" + e); + } + return null; + } + + private static class Pair<A, B> { + public final A a; + public final B b; + + public Pair(A a, B b) { + this.a = a; + this.b = b; + } + } +}
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