| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.impl.io; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.ProtocolException; |
| import org.apache.hc.core5.http.io.SessionInputBuffer; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link AbstractMessageParser}. |
| */ |
| public class TestMessageParser { |
| |
| @Test |
| public void testBasicHeaderParsing() throws Exception { |
| final String s = |
| "header1: stuff\r\n" + |
| "header2: stuff \r\n" + |
| "header3: stuff\r\n" + |
| " and more stuff\r\n" + |
| "\t and even more stuff\r\n" + |
| " \r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| final Header[] headers = AbstractMessageParser.parseHeaders(inBuffer, inputStream, -1, -1, null); |
| Assert.assertNotNull(headers); |
| Assert.assertEquals(3, headers.length); |
| Assert.assertEquals("header1", headers[0].getName()); |
| Assert.assertEquals("stuff", headers[0].getValue()); |
| Assert.assertEquals("header2", headers[1].getName()); |
| Assert.assertEquals("stuff", headers[1].getValue()); |
| Assert.assertEquals("header3", headers[2].getName()); |
| Assert.assertEquals("stuff and more stuff and even more stuff", headers[2].getValue()); |
| } |
| |
| @Test |
| public void testParsingHeader() throws Exception { |
| final String s = "header1: stuff; param1 = value1; param2 = \"value 2\" \r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| final Header[] headers = AbstractMessageParser.parseHeaders(inBuffer, inputStream, -1, -1, null); |
| Assert.assertNotNull(headers); |
| Assert.assertEquals(1, headers.length); |
| Assert.assertEquals("header1: stuff; param1 = value1; param2 = \"value 2\" ", headers[0].toString()); |
| } |
| |
| @Test |
| public void testParsingInvalidHeaders() throws Exception { |
| final String s1 = " stuff\r\n" + |
| "header1: stuff\r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream1 = new ByteArrayInputStream(s1.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer1 = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| Assert.assertThrows(ProtocolException.class, () -> |
| AbstractMessageParser.parseHeaders(inBuffer1, inputStream1, -1, -1, null)); |
| final String s2 = " : stuff\r\n" + |
| "header1: stuff\r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream2 = new ByteArrayInputStream(s2.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer2 = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| Assert.assertThrows(ProtocolException.class, () -> |
| AbstractMessageParser.parseHeaders(inBuffer2, inputStream2, -1, -1, null)); |
| } |
| |
| @Test |
| public void testParsingMalformedFirstHeader() throws Exception { |
| final String s = |
| " header1: stuff\r\n" + |
| "header2: stuff \r\n"; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| final Header[] headers = AbstractMessageParser.parseHeaders(inBuffer, inputStream, -1, -1, null); |
| Assert.assertNotNull(headers); |
| Assert.assertEquals(2, headers.length); |
| Assert.assertEquals("header1", headers[0].getName()); |
| Assert.assertEquals("stuff", headers[0].getValue()); |
| Assert.assertEquals("header2", headers[1].getName()); |
| Assert.assertEquals("stuff", headers[1].getValue()); |
| } |
| |
| @Test |
| public void testEmptyDataStream() throws Exception { |
| final String s = ""; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| final Header[] headers = AbstractMessageParser.parseHeaders(inBuffer, inputStream, -1, -1, null); |
| Assert.assertNotNull(headers); |
| Assert.assertEquals(0, headers.length); |
| } |
| |
| @Test |
| public void testMaxHeaderCount() throws Exception { |
| final String s = |
| "header1: stuff\r\n" + |
| "header2: stuff \r\n" + |
| "header3: stuff\r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| Assert.assertThrows(IOException.class, () -> |
| AbstractMessageParser.parseHeaders(inBuffer, inputStream, 2, -1, null)); |
| } |
| |
| @Test |
| public void testMaxHeaderCountForFoldedHeader() throws Exception { |
| final String s = |
| "header1: stuff\r\n" + |
| " stuff \r\n" + |
| " stuff\r\n" + |
| "\r\n"; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII)); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder()); |
| Assert.assertThrows(IOException.class, () -> |
| AbstractMessageParser.parseHeaders(inBuffer, inputStream, 2, 15, null)); |
| } |
| |
| } |
| |