| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.sentry.api.service.thrift; |
| |
| import org.apache.sentry.core.common.utils.PubSub; |
| import org.apache.sentry.core.common.utils.PubSub.Topic; |
| import org.apache.sentry.service.thrift.SentryServiceIntegrationBase; |
| |
| import org.junit.*; |
| |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| |
| public class TestSentryServerPubSub extends SentryServiceIntegrationBase { |
| |
| private static final Topic[] topics = Topic.values(); |
| private static final String[] messages = { "message1", "message2", "message3", "" }; |
| |
| private static volatile String REQUEST_URL; |
| |
| private final TestSubscriber testSubscriber = new TestSubscriber(); |
| |
| private static final class TestSubscriber implements PubSub.Subscriber { |
| private volatile Topic topic; |
| private volatile String message; |
| private volatile int count; |
| @Override |
| public void onMessage(Topic topic, String message) { |
| this.topic = topic; |
| this.message = message; |
| this.count++; |
| } |
| } |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| webServerEnabled = true; |
| webSecurity = false; |
| SentryServiceIntegrationBase.setup(); |
| REQUEST_URL= "http://" + SERVER_HOST + ":" + webServerPort + "/admin/publishMessage?topic=%s&message=%s"; |
| } |
| |
| @Override |
| @Before |
| public void before() throws Exception { |
| |
| // Subscribe to all defined topics. |
| // After each successfull HTTP-GET, testSubscriber.onMessage() |
| // will be called and "topic" and "message" fields will be |
| // set according to HTTP-GET parameters. |
| testSubscriber.count = 0; |
| for (Topic topic : topics) { |
| PubSub.getInstance().subscribe(topic, testSubscriber); |
| } |
| Assert.assertEquals("Unexpected number of registered topics", topics.length, PubSub.getInstance().getTopics().size()); |
| } |
| |
| @Override |
| @After |
| public void after() { |
| // unsubscribe |
| for (Topic topic : topics) { |
| PubSub.getInstance().unsubscribe(topic, testSubscriber); |
| } |
| testSubscriber.count = 0; |
| Assert.assertTrue("Topics should have been removed after unsubscribe()", PubSub.getInstance().getTopics().isEmpty()); |
| } |
| |
| /** |
| * Successfully publish notifications |
| * @throws Exception |
| */ |
| @Test |
| public void testPubSub() throws Exception { |
| int count = 0; |
| for (Topic topic : topics) { |
| for (String message : messages) { |
| URL url = new URL(String.format(REQUEST_URL, topic.getName(), message)); |
| HttpURLConnection conn = null; |
| try { |
| conn = (HttpURLConnection) url.openConnection(); |
| Assert.assertEquals("Unexpected response code", HttpURLConnection.HTTP_OK, conn.getResponseCode()); |
| } finally { |
| safeClose(conn); |
| } |
| Assert.assertEquals("Unexpected topic", topic, testSubscriber.topic); |
| if (message.isEmpty()) { |
| Assert.assertEquals("Unexpected message", null, testSubscriber.message); |
| } else { |
| Assert.assertEquals("Unexpected message", message, testSubscriber.message); |
| } |
| Assert.assertEquals("Unexpected number of PubSub.onMessage() callbacks", ++count, testSubscriber.count); |
| } |
| } |
| } |
| |
| /** |
| * Submit empty topic. It's ok, generates form page. |
| * @throws Exception |
| */ |
| @Test |
| public void testPubSubEmptyTopic() throws Exception { |
| URL url = new URL(String.format(REQUEST_URL, "", "message")); |
| HttpURLConnection conn = null; |
| try { |
| conn = (HttpURLConnection) url.openConnection(); |
| Assert.assertEquals("Unexpected response code", HttpURLConnection.HTTP_OK, conn.getResponseCode()); |
| } finally { |
| safeClose(conn); |
| } |
| Assert.assertEquals("Unexpected number of PubSub.onMessage() callbacks", 0, testSubscriber.count); |
| } |
| |
| /** |
| * Submit invalid topic |
| * @throws Exception |
| */ |
| @Test |
| public void testPubSubInvalidTopic() throws Exception { |
| String[] invalid_topics = { "invalid_topic_1", "invalid_topic_2", "invalid_topic_3" }; |
| for (String topic : invalid_topics) { |
| URL url = new URL(String.format(REQUEST_URL, topic, "message")); |
| HttpURLConnection conn = null; |
| try { |
| conn = (HttpURLConnection) url.openConnection(); |
| Assert.assertEquals("Unexpected response code", HttpURLConnection.HTTP_BAD_REQUEST, conn.getResponseCode()); |
| } finally { |
| safeClose(conn); |
| } |
| Assert.assertEquals("Unexpected number of PubSub.onMessage() callbacks", 0, testSubscriber.count); |
| } |
| } |
| |
| /** |
| * Submit topic that has no subscribers. |
| * @throws Exception |
| */ |
| @Test |
| public void testPubSubNonSubscribedTopic() throws Exception { |
| // At this point all valid Topic values have been subscribed to |
| // in before() method. |
| // Unsubscribe from one topic and then try publishing to it. |
| PubSub.getInstance().unsubscribe(Topic.HDFS_SYNC_HMS, testSubscriber); |
| Assert.assertEquals("Unexpected number of registered topics", topics.length-1, PubSub.getInstance().getTopics().size()); |
| |
| URL url = new URL(String.format(REQUEST_URL, Topic.HDFS_SYNC_HMS.getName(), "message")); |
| HttpURLConnection conn = null; |
| try { |
| conn = (HttpURLConnection) url.openConnection(); |
| Assert.assertEquals("Unexpected response code", HttpURLConnection.HTTP_BAD_REQUEST, conn.getResponseCode()); |
| } finally { |
| safeClose(conn); |
| } |
| // re-subscribe, not to upset after() method which expects all topics to be subscribed to |
| PubSub.getInstance().subscribe(Topic.HDFS_SYNC_HMS, testSubscriber); |
| } |
| |
| private static void safeClose(HttpURLConnection conn) { |
| if (conn != null) { |
| try { |
| conn.disconnect(); |
| } catch (Exception ignore) { |
| } |
| } |
| } |
| } |