public void Should_add_computed_value_to_cache()
{
// Arrange
var calculationServiceMock = new Mock <ICalculationService>();
calculationServiceMock.Setup(x => x.Calculate(It.IsAny <decimal>(), It.IsAny <decimal>()))
.Returns(ComputedResult);
var sut = new CachedCalculationService(calculationServiceMock.Object);
// Act
var firstCall = sut.Calculate(FirstParameter, SecondParameter);
var secondCall = sut.Calculate(FirstParameter, SecondParameter);
// Assert
calculationServiceMock.Verify(x => x.Calculate(FirstParameter, SecondParameter), Times.Once);
}
public void CachedCalculationService_ShouldNotDoRequest_WhenValueIsCached()
{
var sut = new CachedCalculationService(new CalculationService());
Action calculation = () => sut.Calculate(1, 2);
calculation();
calculation.ExecutionTime().Should().BeLessThan(TimeSpan.FromMilliseconds(10));
}
public void Should_return_correct_result()
{
// Arrange
var sut = new CachedCalculationService(new CalculationService());
// Act
var result = sut.Calculate(FirstParameter, SecondParameter);
// Assert
result.Should().Be(ComputedResult);
}