/* * 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.calcite.avatica.remote; import org.apache.calcite.avatica.ConnectionConfig; import org.apache.calcite.avatica.ConnectionSpec; import org.apache.calcite.avatica.server.HttpServer; import org.junit.AfterClass; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; import java.io.IOException; import java.net.HttpURLConnection; import java.net.URL; import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; import java.util.Collections; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Objects; import java.util.concurrent.atomic.AtomicReference; import static org.junit.Assert.assertFalse; /** * Tests for the HttpClient which manipulate things at the HTTP layer instead of Avatica's * "application" layer. */ @RunWith(Parameterized.class) public class RemoteHttpClientTest { private static Map<String, String> getHeaders() { return HEADERS_REF.get(); } private static final AtomicReference<Map<String, String>> HEADERS_REF = new AtomicReference<>(); private static final AvaticaServersForTest SERVERS = new AvaticaServersForTest(); @Parameters(name = "{0}") public static List<Object[]> parameters() throws Exception { SERVERS.startServers(); return SERVERS.getJUnitParameters(); } @AfterClass public static void afterClass() throws Exception { if (null != SERVERS) { SERVERS.stopServers(); } } private final HttpServer server; private final String url; private final int port; private final Driver.Serialization serialization; public RemoteHttpClientTest(Driver.Serialization serialization, HttpServer server) { this.server = server; this.port = this.server.getPort(); this.serialization = serialization; this.url = SERVERS.getJdbcUrl(port, serialization); } static String generateString(int length) { StringBuilder sb = new StringBuilder(length); for (int i = 0; i < length; i++) { sb.append('a'); } return sb.toString(); } @Test public void testLargeHeaders() throws Exception { ConnectionSpec.getDatabaseLock().lock(); // 32K header. Relies on the default value of 64K from HttpServer.Builder HEADERS_REF.set(Collections.singletonMap("MyLargeHeader", generateString(1024 * 32))); String modifiedUrl = url + ";httpclient_factory=" + HttpClientFactoryForTest.class.getName(); try (Connection conn = DriverManager.getConnection(modifiedUrl); Statement stmt = conn.createStatement()) { assertFalse(stmt.execute("CREATE TABLE largeHeaders(pk integer not null primary key)")); assertFalse(stmt.execute("DROP TABLE largeHeaders")); } finally { ConnectionSpec.getDatabaseLock().unlock(); } } /** * Factory class to inject a custom HttpClient */ public static class HttpClientFactoryForTest implements AvaticaHttpClientFactory { @Override public AvaticaHttpClient getClient(URL url, ConnectionConfig config, KerberosConnection kerberosUtil) { Map<String, String> headers = getHeaders(); return new HeaderInjectingHttpClient(headers, url); } } /** * HttpClient implementation which supports injecting custom HTTP headers */ public static class HeaderInjectingHttpClient extends AvaticaHttpClientImpl { private final Map<String, String> headers; public HeaderInjectingHttpClient(Map<String, String> headers, URL url) { super(url); this.headers = Objects.requireNonNull(headers); } @Override HttpURLConnection openConnection() throws IOException { HttpURLConnection connection = super.openConnection(); for (Entry<String, String> entry : headers.entrySet()) { connection.setRequestProperty(entry.getKey(), entry.getValue()); } return connection; } } } // End RemoteHttpClientTest.java