// Instantiate from constructor
@Test
public void test2() {
// Init
byte version = 2;
String clientStr = "Ethereum(++)/v0.7.9/Release/Linux/g++";
List<Capability> capabilities =
Arrays.asList(
new Capability(Capability.ETH, EthVersion.UPPER),
new Capability(Capability.SHH, ShhHandler.VERSION),
new Capability(Capability.P2P, P2pHandler.VERSION));
int listenPort = 992;
String peerId = "1fbf1e41f08078918c9f7b6734594ee56d7f538614f602c71194db0a1af5a";
HelloMessage helloMessage =
new HelloMessage(version, clientStr, capabilities, listenPort, peerId);
logger.info(helloMessage.toString());
assertEquals(P2pMessageCodes.HELLO, helloMessage.getCommand());
assertEquals(version, helloMessage.getP2PVersion());
assertEquals(clientStr, helloMessage.getClientId());
assertEquals(3, helloMessage.getCapabilities().size());
assertEquals(listenPort, helloMessage.getListenPort());
assertEquals(peerId, helloMessage.getPeerId());
}
// Parsing from raw bytes
@Test
public void test1() {
String helloMessageRaw =
"f87902a5457468657265756d282b2b292f76302e372e392f52656c656173652f4c696e75782f672b2bccc58365746827c583736868018203e0b8401fbf1e41f08078918c9f7b6734594ee56d7f538614f602c71194db0a1af5a77f9b86eb14669fe7a8a46a2dd1b7d070b94e463f4ecd5b337c8b4d31bbf8dd5646";
byte[] payload = Hex.decode(helloMessageRaw);
HelloMessage helloMessage = new HelloMessage(payload);
logger.info(helloMessage.toString());
assertEquals(P2pMessageCodes.HELLO, helloMessage.getCommand());
assertEquals(2, helloMessage.getP2PVersion());
assertEquals("Ethereum(++)/v0.7.9/Release/Linux/g++", helloMessage.getClientId());
assertEquals(2, helloMessage.getCapabilities().size());
assertEquals(992, helloMessage.getListenPort());
assertEquals(
"1fbf1e41f08078918c9f7b6734594ee56d7f538614f602c71194db0a1af5a77f9b86eb14669fe7a8a46a2dd1b7d070b94e463f4ecd5b337c8b4d31bbf8dd5646",
helloMessage.getPeerId());
}
// Fail test
@Test
public void test3() {
// Init
byte version = -1; // invalid version
String clientStr = ""; // null id
List<Capability> capabilities =
Arrays.asList(
new Capability(null, (byte) 0),
new Capability(null, (byte) 0),
null, // null here causes NullPointerException when using toString
new Capability(null, (byte) 0)); // encoding null capabilities
int listenPort = 99999; // invalid port
String peerId = ""; // null id
HelloMessage helloMessage =
new HelloMessage(version, clientStr, capabilities, listenPort, peerId);
assertEquals(P2pMessageCodes.HELLO, helloMessage.getCommand());
assertEquals(version, helloMessage.getP2PVersion());
assertEquals(clientStr, helloMessage.getClientId());
assertEquals(4, helloMessage.getCapabilities().size());
assertEquals(listenPort, helloMessage.getListenPort());
assertEquals(peerId, helloMessage.getPeerId());
}