sequence-moq.cs

[Fact]
public void SetStatusWhenMultipleCall()
{
    //Arrange
    Mock<IValidator> mockValidator
        = new Mock<IValidator>();

    mockValidator.SetupSequence(x => x.IsValid(It.IsAny<string>()))
             .Returns(true)
             .Returns(false);

    var sut = new CreditApplicationEvaluator(mockValidator.Object);
    var application = new CreditApplication { Age = 42 };
    
    //Act
    CreditApplicationDecision decision = sut.Evaluate(application);
    
    //Assert
    CreditApplicationDecision firstDecision = sut.Evaluate(application);
    Assert.Equal(CreditApplicationDecision.CallCenterFlow, firstDecision);

    CreditApplicationDecision secondDecision = sut.Evaluate(application);
    Assert.Equal(CreditApplicationDecision.AutoDeclined, secondDecision);
}