DnsResponseTest Class — netty Architecture
Architecture documentation for the DnsResponseTest class in DnsResponseTest.java from the netty codebase.
Entity Profile
Dependency Diagram
graph TD 25f291e1_1e80_03cf_b3ec_348dc0858536["DnsResponseTest"] 43a2612c_90da_8426_75ea_f4bb5c26987d["DnsResponseTest.java"] 25f291e1_1e80_03cf_b3ec_348dc0858536 -->|defined in| 43a2612c_90da_8426_75ea_f4bb5c26987d ad5617b4_a3c4_a834_f67a_9e77f9719578["readResponseTest()"] 25f291e1_1e80_03cf_b3ec_348dc0858536 -->|method| ad5617b4_a3c4_a834_f67a_9e77f9719578 add31763_327d_1c59_d456_09e0e147b162["readMalformedResponseTest()"] 25f291e1_1e80_03cf_b3ec_348dc0858536 -->|method| add31763_327d_1c59_d456_09e0e147b162 c7e81f38_063b_f3e3_37b2_d9d84ef27e3c["readIncompleteResponseTest()"] 25f291e1_1e80_03cf_b3ec_348dc0858536 -->|method| c7e81f38_063b_f3e3_37b2_d9d84ef27e3c
Relationship Graph
Source Code
codec-dns/src/test/java/io/netty/handler/codec/dns/DnsResponseTest.java lines 35–129
public class DnsResponseTest {
private static final byte[][] packets = {
{
0, 1, -127, -128, 0, 1, 0, 1, 0, 0, 0, 0, 3, 119, 119, 119, 7, 101, 120, 97, 109, 112, 108, 101, 3,
99, 111, 109, 0, 0, 1, 0, 1, -64, 12, 0, 1, 0, 1, 0, 0, 16, -113, 0, 4, -64, 0, 43, 10
},
{
0, 1, -127, -128, 0, 1, 0, 1, 0, 0, 0, 0, 3, 119, 119, 119, 7, 101, 120, 97, 109, 112, 108, 101, 3,
99, 111, 109, 0, 0, 28, 0, 1, -64, 12, 0, 28, 0, 1, 0, 0, 69, -8, 0, 16, 32, 1, 5, 0, 0, -120, 2,
0, 0, 0, 0, 0, 0, 0, 0, 16
},
{
0, 2, -127, -128, 0, 1, 0, 0, 0, 1, 0, 0, 3, 119, 119, 119, 7, 101, 120, 97, 109, 112, 108, 101, 3,
99, 111, 109, 0, 0, 15, 0, 1, -64, 16, 0, 6, 0, 1, 0, 0, 3, -43, 0, 45, 3, 115, 110, 115, 3, 100,
110, 115, 5, 105, 99, 97, 110, 110, 3, 111, 114, 103, 0, 3, 110, 111, 99, -64, 49, 119, -4, 39,
112, 0, 0, 28, 32, 0, 0, 14, 16, 0, 18, 117, 0, 0, 0, 14, 16
},
{
0, 3, -127, -128, 0, 1, 0, 1, 0, 0, 0, 0, 3, 119, 119, 119, 7, 101, 120, 97, 109, 112, 108, 101, 3,
99, 111, 109, 0, 0, 16, 0, 1, -64, 12, 0, 16, 0, 1, 0, 0, 84, 75, 0, 12, 11, 118, 61, 115, 112,
102, 49, 32, 45, 97, 108, 108
},
{
-105, 19, -127, 0, 0, 1, 0, 0, 0, 13, 0, 0, 2, 104, 112, 11, 116, 105, 109, 98, 111, 117, 100, 114,
101, 97, 117, 3, 111, 114, 103, 0, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 20, 1, 68, 12, 82,
79, 79, 84, 45, 83, 69, 82, 86, 69, 82, 83, 3, 78, 69, 84, 0, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1,
70, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 69, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4,
1, 75, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 67, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0,
4, 1, 76, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 71, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0,
0, 4, 1, 73, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 66, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23,
0, 0, 4, 1, 77, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 65, -64, 49, 0, 0, 2, 0, 1, 0, 7,
-23, 0, 0, 4, 1, 72, -64, 49, 0, 0, 2, 0, 1, 0, 7, -23, 0, 0, 4, 1, 74, -64, 49
}
};
private static final byte[] malformedLoopPacket = {
0, 4, -127, -128, 0, 1, 0, 0, 0, 0, 0, 0, -64, 12, 0, 1, 0, 1
};
@Test
public void readResponseTest() {
EmbeddedChannel embedder = new EmbeddedChannel(new DatagramDnsResponseDecoder());
for (byte[] p: packets) {
ByteBuf packet = embedder.alloc().buffer(512).writeBytes(p);
embedder.writeInbound(new DatagramPacket(packet, null, new InetSocketAddress(0)));
AddressedEnvelope<DnsResponse, InetSocketAddress> envelope = embedder.readInbound();
assertInstanceOf(DatagramDnsResponse.class, envelope);
DnsResponse response = envelope.content();
assertSame(envelope, response);
ByteBuf raw = Unpooled.wrappedBuffer(p);
assertEquals(raw.getUnsignedShort(0), response.id());
assertEquals(raw.getUnsignedShort(4), response.count(DnsSection.QUESTION));
assertEquals(raw.getUnsignedShort(6), response.count(DnsSection.ANSWER));
assertEquals(raw.getUnsignedShort(8), response.count(DnsSection.AUTHORITY));
assertEquals(raw.getUnsignedShort(10), response.count(DnsSection.ADDITIONAL));
envelope.release();
}
assertFalse(embedder.finish());
}
@Test
public void readMalformedResponseTest() {
final EmbeddedChannel embedder = new EmbeddedChannel(new DatagramDnsResponseDecoder());
final ByteBuf packet = embedder.alloc().buffer(512).writeBytes(malformedLoopPacket);
try {
assertThrows(CorruptedFrameException.class, new Executable() {
@Override
public void execute() {
embedder.writeInbound(new DatagramPacket(packet, null, new InetSocketAddress(0)));
}
});
} finally {
assertFalse(embedder.finish());
}
}
@Test
public void readIncompleteResponseTest() {Source
Frequently Asked Questions
What is the DnsResponseTest class?
DnsResponseTest is a class in the netty codebase, defined in codec-dns/src/test/java/io/netty/handler/codec/dns/DnsResponseTest.java.
Where is DnsResponseTest defined?
DnsResponseTest is defined in codec-dns/src/test/java/io/netty/handler/codec/dns/DnsResponseTest.java at line 35.
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