public void MakeEqualityChecksVeryReadable()
{
var actual = new EmailMessage
{
Subject = "Subject"
};
var identicalButNotSame = new EmailMessage
{
Subject = "Subject"
};
var likenessThatActuallyIsEqualWithoutExtraWork =
identicalButNotSame
.AsSource() //using Ploeh.SemanticComparison Nuget package!
.OfLikeness<EmailMessage>()
.CreateProxy();
Assert.False(identicalButNotSame.Equals(actual));
Assert.True(likenessThatActuallyIsEqualWithoutExtraWork.Equals(actual)); //look ma, no work/custom equality!
//works because the likeness has a generated custom equality comparator. Other way around does not work:
Assert.False(actual.Equals(likenessThatActuallyIsEqualWithoutExtraWork));
//Too bad XUnits Assert.Equal uses default comparator :(
Assert.NotEqual(likenessThatActuallyIsEqualWithoutExtraWork, actual);
}
public void AutoMockWithoutAnySetupByUsingACustomAttribute(
[Frozen] Mock<EmailGateway> gateway, //Frozen attribute freezes a type
//Note that the ORDER OF ARGUMENTS MATTERS HERE. if not frozen before a buffer object is created, gateway is not frozen yet!!!
EmailBuffer buffer,
EmailMessage message
)
{
buffer.Add(message);
buffer.Send();
gateway.Verify(g=>g.Send(It.IsAny<EmailMessage>()));
}
public void Add(EmailMessage message)
{
_bufferedMessages.Add(message);
}