public void Given_A_Product_Is_Null_When_Execute_Is_Called_Throws_ArgumentNullException()
{
//arrange
var sut = new BookBusinessRule(_mockRepository.Object);
// Act
Action act = () => sut.Execute(null);
//Assert
act.Should().ThrowExactly <ArgumentNullException>();
}
public void Given_A_Product_When_Execute_Is_Called_Calls_PartnerServices()
{
//arrange
var product = _fixture.Create <Book>();
var sut = new BookBusinessRule(_mockRepository.Object);
_mockRepository.Setup(m => m.GeneratePackingSlip()).Returns(Task.CompletedTask);
_mockRepository.Setup(m => m.GenerateCommision()).Returns(Task.CompletedTask);
// Act
sut.Execute(product);
//Assert
_mockRepository.Verify(m => m.GeneratePackingSlip(), Times.Once);
_mockRepository.Verify(m => m.GenerateCommision(), Times.Once);
}
public void Given_A_Product_When_Execute_Is_Called_Adds_GST_To_Final_Price()
{
//arrange
var product = _fixture.Create <Book>();
product.Price = 50;
var sut = new BookBusinessRule(_mockRepository.Object);
_mockRepository.Setup(m => m.GeneratePackingSlip()).Returns(Task.CompletedTask);
_mockRepository.Setup(m => m.GenerateCommision()).Returns(Task.CompletedTask);
// Act
sut.Execute(product);
//Assert
product.FinalPrice.Should().Be(50);
}
