public void Throw_Exception_When_DomainName_Is_Null()
{
// Arrange
var socketMock = new Mock <ISocket>();
var whois = new Whois(socketMock.Object);
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
// Act & Assert
Assert.Throws(typeof(ArgumentNullException),
() => whois.LookupDotComDomain(null, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes));
}
public void Throw_Exception_When_DomainNameLength_isOutOfRange()
{
// Arrange
var socketMock = new Mock <ISocket>();
var whois = new Whois(socketMock.Object);
var domainName = new String('a', 255) + ".com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
// Act & Assert
Assert.Throws(typeof(ArgumentOutOfRangeException),
() => whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes));
}
public void Throw_Exception_When_DomainName_Contains_Illegal_Characters_AndDoesNotMatchPattern(string domain)
{
// Arrange
var socketMock = new Mock <ISocket>();
var whois = new Whois(socketMock.Object);
var domainName = domain;
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
// Act & Assert
Assert.Throws(typeof(ArgumentException),
() => whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes));
}
public void Throw_Exception_When_ResponseBufferSizeInBytes_isOutOfRange(int bufferSize)
{
// Arrange
var socketMock = new Mock <ISocket>();
var whois = new Whois(socketMock.Object);
var domainName = "test.com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = bufferSize;
// Act & Assert
Assert.Throws(typeof(ArgumentOutOfRangeException),
() => whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes));
}
public void Call_ISocket_ConnectMethod_WithExpectedParams()
{
// Arrange
var socketStub = new Mock <ISocket>();
var whois = new Whois(socketStub.Object);
var domainName = "test.com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
// Act
whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes);
// Assert
socketStub.Verify(s => s.Connect(WhoisConstants.WhoisServer, port));
}
public void Call_ISocket_ReceiveMethod_Once()
{
// Arrange
var socketStub = new Mock <ISocket>();
var whois = new Whois(socketStub.Object);
var domainName = "test.com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
byte[] responseBytes = new byte[responseBufferSizeInBytes];
// Act
whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes);
// Assert
socketStub.Verify(s => s.Receive(responseBytes), Times.Once());
}
public void Return_CorrectResults()
{
// Arrange
string expectedMessage = "test.com whois message";
var socketStub = new FakeSocket(expectedMessage);
var whois = new Whois(socketStub);
var domainName = "test.com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
// Act
string actualMessage = whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes);
// Assert
StringAssert.Contains(expectedMessage, actualMessage);
}
public void Call_ISocket_SendMethod_WithExpectedParams()
{
// Arrange
var socketStub = new Mock <ISocket>();
var whois = new Whois(socketStub.Object);
var domainName = "test.com";
var port = WhoisConstants.Port;
var whoisServer = WhoisConstants.WhoisServer;
var whoisServerLookupQueryPrefix = WhoisConstants.WhoisServerLookupQueryPrefix;
var responseBufferSizeInBytes = WhoisConstants.RecommendedBufferSizeInBytes;
var responseBytes = new byte[responseBufferSizeInBytes];
byte[] query = Encoding.ASCII.GetBytes(whoisServerLookupQueryPrefix + domainName + Environment.NewLine);
// Act
whois.LookupDotComDomain(domainName, port, whoisServer, whoisServerLookupQueryPrefix, responseBufferSizeInBytes);
// Assert
socketStub.Verify(s => s.Send(query));
}
