public void SutIsMessageWriter()
{
// Fixture setup
var dummyMessageWriter = new Mock<IMessageWriter>().Object;
// Exercise system
var sut = new SecureMessageWriter(dummyMessageWriter);
// Verify outcome
Assert.IsAssignableFrom<IMessageWriter>(sut);
// Teardown
}
public void WriteDoesNotInvokeWriterWhenPrincipalIsNotAuthenticated()
{
// Fixture setup
var principalStub = new Mock<IPrincipal>();
principalStub.SetupGet(p => p.Identity.IsAuthenticated).Returns(false);
Thread.CurrentPrincipal = principalStub.Object;
var writerMock = new Mock<IMessageWriter>();
var sut = new SecureMessageWriter(writerMock.Object);
// Exercise system
sut.Write("Anonymous value");
// Verify outcome
writerMock.Verify(w => w.Write(It.IsAny<string>()), Times.Never());
// Teardown
}
public void WriteInvokesDecoratedWriterWhenPrincipalIsAuthenticated()
{
// Fixture setup
var principalStub = new Mock<IPrincipal>();
principalStub.SetupGet(p => p.Identity.IsAuthenticated).Returns(true);
Thread.CurrentPrincipal = principalStub.Object;
var writerMock = new Mock<IMessageWriter>();
var sut = new SecureMessageWriter(writerMock.Object);
// Exercise system
var message = "Whatever";
sut.Write(message);
// Verify outcome
writerMock.Verify(w => w.Write(message));
// Teardown
}