saintstack commented on a change in pull request #1600:
URL: https://github.com/apache/hbase/pull/1600#discussion_r417068509
##########
File path: hbase-it/pom.xml
##########
@@ -253,6 +253,21 @@
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</dependency>
+ <dependency>
+ <artifactId>javax.servlet-api</artifactId>
+ <groupId>javax.servlet</groupId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.eclipse.jetty</groupId>
+ <artifactId>jetty-server</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.eclipse.jetty</groupId>
+ <artifactId>jetty-util</artifactId>
+ <scope>test</scope>
+ </dependency>
Review comment:
For sure we need each of these?
##########
File path:
hbase-it/src/test/java/org/apache/hadoop/hbase/RESTApiClusterManager.java
##########
@@ -334,7 +334,7 @@ public String toString() {
roleServiceType.put(ServiceType.HBASE_REGIONSERVER, Service.HBASE);
}
- private enum Service {
+ enum Service {
HBASE, HDFS, MAPREDUCE
}
}
Review comment:
oh. it never worked?
##########
File path: hbase-it/src/test/java/org/apache/hadoop/hbase/MockHttpApiRule.java
##########
@@ -0,0 +1,187 @@
+/*
+ * 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.hadoop.hbase;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.function.BiConsumer;
+import java.util.regex.Pattern;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.core.MediaType;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.server.RequestLog;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.server.Slf4jRequestLog;
+import org.eclipse.jetty.server.handler.AbstractHandler;
+import org.eclipse.jetty.util.RegexSet;
+import org.junit.rules.ExternalResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A {@link org.junit.Rule} that manages a simple http server. The caller
registers request
+ * handlers to URI path regexp.
+ */
+public class MockHttpApiRule extends ExternalResource {
+ private static final Logger LOG =
LoggerFactory.getLogger(MockHttpApiRule.class);
+
+ private MockHandler handler;
+ private Server server;
+
+ /**
+ * Register a callback handler for the specified path target.
+ */
+ public MockHttpApiRule addRegistration(
+ final String pathRegex,
+ final BiConsumer<String, HttpServletResponse> responder
+ ) {
+ handler.register(pathRegex, responder);
+ return this;
+ }
+
+ /**
+ * Shortcut method for calling {@link #addRegistration(String, BiConsumer)}
with a 200 response.
+ */
+ public MockHttpApiRule registerOk(final String pathRegex, final String
responseBody) {
+ return addRegistration(pathRegex, (target, resp) -> {
+ try {
+ resp.setStatus(HttpServletResponse.SC_OK);
+ resp.setCharacterEncoding("UTF-8");
+ resp.setContentType(MediaType.APPLICATION_JSON_TYPE.toString());
+ final PrintWriter writer = resp.getWriter();
+ writer.write(responseBody);
+ writer.flush();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ });
+ }
+
+ public void clearRegistrations() {
+ handler.clearRegistrations();
+ }
+
+ /**
+ * Retrieve the service URI for this service.
+ */
+ public URI getURI() {
+ if (server == null || !server.isRunning()) {
+ throw new IllegalStateException("server is not running");
+ }
+ return server.getURI();
+ }
+
+ @Override
+ protected void before() throws Exception {
+ handler = new MockHandler();
+ server = new Server();
+ final ServerConnector http = new ServerConnector(server);
+ http.setHost("localhost");
+ server.addConnector(http);
+ server.setStopAtShutdown(true);
+ server.setHandler(handler);
+ server.setRequestLog(buildRequestLog());
+ server.start();
+ }
+
+ @Override
+ protected void after() {
+ try {
+ server.stop();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private static RequestLog buildRequestLog() {
+ final Slf4jRequestLog requestLog = new Slf4jRequestLog();
+ requestLog.setLoggerName(LOG.getName() + ".RequestLog");
+ requestLog.setExtended(true);
+ return requestLog;
+ }
+
+ private static class MockHandler extends AbstractHandler {
+
+ private final ReadWriteLock responseMappingLock = new
ReentrantReadWriteLock();
+ private final Map<String, BiConsumer<String, HttpServletResponse>>
responseMapping =
+ new HashMap<>();
+ private final RegexSet regexSet = new RegexSet();
+
+ void register(
+ final String pathRegex,
+ final BiConsumer<String, HttpServletResponse> responder
+ ) {
+ LOG.debug("Registering responder to '{}'", pathRegex);
+ responseMappingLock.writeLock().lock();
+ try {
+ responseMapping.put(pathRegex, responder);
+ regexSet.add(pathRegex);
+ } finally {
+ responseMappingLock.writeLock().unlock();
+ }
+ }
+
+ void clearRegistrations() {
+ LOG.debug("Clearing registrations");
+ responseMappingLock.writeLock().lock();
+ try {
+ responseMapping.clear();
+ regexSet.clear();
+ } finally {
+ responseMappingLock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public void handle(
+ final String target,
+ final Request baseRequest,
+ final HttpServletRequest request,
+ final HttpServletResponse response
+ ) {
+ responseMappingLock.readLock().lock();
+ try {
+ if (!regexSet.matches(target)) {
+ response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+ return;
+ }
+ responseMapping.entrySet()
+ .stream()
+ .filter(e -> Pattern.matches(e.getKey(), target))
+ .findAny()
+ .map(Map.Entry::getValue)
+ .orElseThrow(() -> noMatchFound(target))
+ .accept(target, response);
+ } finally {
+ responseMappingLock.readLock().unlock();
+ }
+ }
+
+ private static RuntimeException noMatchFound(final String target) {
+ return new RuntimeException(
+ String.format("Target path '%s' matches no registered regex.",
target));
+ }
+ }
+}
Review comment:
Fancy!
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