public void TestSyslogStreamWriterFailingWrite()
{
var memoryStream = new MemoryStream();
// Setup the mocks
var mockRepo = new MockRepository(MockBehavior.Strict);
Mock <IStreamProvider> streamProviderMock = mockRepo.Create <IStreamProvider>();
streamProviderMock.Setup(s => s.GetStream()).Returns(memoryStream);
streamProviderMock.Setup(s => s.CloseStream());
// Create the message
var syslogMessage = new SyslogMessage
{
Facility = SyslogFacility.ClockDaemon1,
Severity = SyslogSeverity.Alert
};
Mock <ISyslogMessageSerializer> syslogSerializerMock = mockRepo.Create <ISyslogMessageSerializer>();
syslogSerializerMock.Setup(sm => sm.Serialize(syslogMessage, It.IsAny <Stream>())).Throws <InvalidOperationException>();
// Write a message and see that it fails
var streamWriter = new SyslogStreamWriter(streamProviderMock.Object, syslogSerializerMock.Object);
Assert.Throws <InvalidOperationException>(() => streamWriter.Write(syslogMessage));
Assert.AreEqual(0, memoryStream.Length);
mockRepo.VerifyAll();
}
public void TestSyslogStreamWriterValidWrite()
{
var memoryStream = new MemoryStream();
// Setup the mocks
var mockRepo = new MockRepository(MockBehavior.Strict);
Mock <IStreamProvider> streamProviderMock = mockRepo.Create <IStreamProvider>();
streamProviderMock.Setup(s => s.GetStream()).Returns(memoryStream);
streamProviderMock.Setup(s => s.Dispose());
string syslogMsg = "Msg" + Guid.NewGuid();
var syslogMessage = new SyslogMessage {
Facility = SyslogFacility.ClockDaemon1, Severity = SyslogSeverity.Alert
};
Mock <ISyslogMessageSerializer> syslogSerializerMock = mockRepo.Create <ISyslogMessageSerializer>();
syslogSerializerMock.Setup(sm => sm.Serialize(syslogMessage, It.IsAny <Stream>())).Callback <SyslogMessage, Stream>((m, s) => WriteTestDataToStream(s, syslogMsg));
using (var streamWriter = new SyslogStreamWriter(streamProviderMock.Object, syslogSerializerMock.Object))
{
streamWriter.Write(syslogMessage);
}
// Validation
memoryStream.Position = 0;
var reader = new StreamReader(memoryStream);
Assert.AreEqual(syslogMsg, reader.ReadToEnd());
mockRepo.VerifyAll();
}
public void TestSyslogStreamWriterNullMessage()
{
var mockRepo = new MockRepository(MockBehavior.Loose);
Mock <IStreamProvider> streamProviderMock = mockRepo.Create <IStreamProvider>();
Mock <ISyslogMessageSerializer> syslogSerializerMock = mockRepo.Create <ISyslogMessageSerializer>();
var streamWriter = new SyslogStreamWriter(streamProviderMock.Object, syslogSerializerMock.Object);
Assert.Throws <ArgumentNullException>(() => streamWriter.Write(null));
}