2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.netconf.nettyutil.handler;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertTrue;
14 import com.google.common.collect.Lists;
15 import io.netty.buffer.Unpooled;
16 import java.util.ArrayList;
17 import org.junit.Test;
18 import org.opendaylight.netconf.api.FailedNetconfMessage;
19 import org.opendaylight.netconf.api.NetconfMessage;
20 import org.xml.sax.SAXParseException;
22 public class NetconfXMLToMessageDecoderTest {
25 public void testDecodeNoMoreContent() throws Exception {
26 final ArrayList<Object> out = Lists.newArrayList();
27 new NetconfXMLToMessageDecoder().decode(null, Unpooled.buffer(), out);
28 assertEquals(0, out.size());
32 public void testDecode() throws Exception {
33 final ArrayList<Object> out = Lists.newArrayList();
34 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("<msg/>".getBytes()), out);
35 assertEquals(1, out.size());
39 public void testDecodeWithLeadingLFAndXmlDecl() throws Exception {
40 /* Test that we accept XML documents with a line feed (0x0a) before the
41 * XML declaration in the XML prologue.
42 * A leading LF is the case reported in BUG-2838.
44 final ArrayList<Object> out = Lists.newArrayList();
45 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\n<?xml version=\"1.0\" encoding=\"UTF-8\"?><msg/>".getBytes()), out);
46 assertEquals(1, out.size());
50 public void testDecodeWithLeadingCRLFAndXmlDecl() throws Exception {
51 /* Test that we accept XML documents with both a carriage return and
52 * line feed (0x0d 0x0a) before the XML declaration in the XML prologue.
53 * Leading CRLF can be seen with some Cisco routers
54 * (eg CSR1000V running IOS 15.4(1)S)
56 final ArrayList<Object> out = Lists.newArrayList();
57 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\r\n<?xml version=\"1.0\" encoding=\"UTF-8\"?><msg/>".getBytes()), out);
58 assertEquals(1, out.size());
62 public void testDecodeGibberish() throws Exception {
63 /* Test that we reject inputs where we cannot find the xml start '<' character */
64 final ArrayList<Object> out = Lists.newArrayList();
65 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\r\n?xml version>".getBytes()), out);
66 assertEquals(1, out.size());
67 assertTrue(FailedNetconfMessage.class.isInstance(out.get(0)));
68 assertTrue(((FailedNetconfMessage) out.get(0)).getException().getClass().isAssignableFrom(SAXParseException.class));
72 public void testDecodeOnlyWhitespaces() throws Exception {
73 /* Test that we handle properly a bunch of whitespaces.
75 final ArrayList<Object> out = Lists.newArrayList();
76 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\r\n".getBytes()), out);
77 assertEquals(0, out.size());
81 public void testDecodeWithAllWhitespaces() throws Exception {
82 /* Test that every whitespace we want to skip is actually skipped.
85 final ArrayList<Object> out = Lists.newArrayList();
86 byte whitespaces[] = {' ', '\t', '\n', '\r', '\f', 0x0b /* vertical tab */};
87 new NetconfXMLToMessageDecoder().decode(
89 Unpooled.copiedBuffer(
90 Unpooled.wrappedBuffer(whitespaces),
91 Unpooled.wrappedBuffer("<?xml version=\"1.0\" encoding=\"UTF-8\"?><msg/>".getBytes())),
93 assertEquals(1, out.size());