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.xml.sax.SAXParseException;
21 public class NetconfXMLToMessageDecoderTest {
24 public void testDecodeNoMoreContent() throws Exception {
25 final ArrayList<Object> out = Lists.newArrayList();
26 new NetconfXMLToMessageDecoder().decode(null, Unpooled.buffer(), out);
27 assertEquals(0, out.size());
31 public void testDecode() throws Exception {
32 final ArrayList<Object> out = Lists.newArrayList();
33 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("<msg/>".getBytes()), out);
34 assertEquals(1, out.size());
38 public void testDecodeWithLeadingLFAndXmlDecl() throws Exception {
39 /* Test that we accept XML documents with a line feed (0x0a) before the
40 * XML declaration in the XML prologue.
41 * A leading LF is the case reported in BUG-2838.
43 final ArrayList<Object> out = Lists.newArrayList();
44 new NetconfXMLToMessageDecoder().decode(null,
45 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,
58 Unpooled.wrappedBuffer("\r\n<?xml version=\"1.0\" encoding=\"UTF-8\"?><msg/>".getBytes()), out);
59 assertEquals(1, out.size());
63 public void testDecodeGibberish() throws Exception {
64 /* Test that we reject inputs where we cannot find the xml start '<' character */
65 final ArrayList<Object> out = Lists.newArrayList();
66 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\r\n?xml version>".getBytes()), out);
67 assertEquals(1, out.size());
68 assertTrue(FailedNetconfMessage.class.isInstance(out.get(0)));
69 assertTrue(((FailedNetconfMessage) out.get(0))
70 .getException().getClass().isAssignableFrom(SAXParseException.class));
74 public void testDecodeOnlyWhitespaces() throws Exception {
75 /* Test that we handle properly a bunch of whitespaces.
77 final ArrayList<Object> out = Lists.newArrayList();
78 new NetconfXMLToMessageDecoder().decode(null, Unpooled.wrappedBuffer("\r\n".getBytes()), out);
79 assertEquals(0, out.size());
83 public void testDecodeWithAllWhitespaces() throws Exception {
84 /* Test that every whitespace we want to skip is actually skipped.
87 final ArrayList<Object> out = Lists.newArrayList();
88 byte[] whitespaces = {' ', '\t', '\n', '\r', '\f', 0x0b /* vertical tab */};
89 new NetconfXMLToMessageDecoder().decode(
91 Unpooled.copiedBuffer(
92 Unpooled.wrappedBuffer(whitespaces),
93 Unpooled.wrappedBuffer("<?xml version=\"1.0\" encoding=\"UTF-8\"?><msg/>".getBytes())),
95 assertEquals(1, out.size());