public void RecommendationEngine_GetRecommendedComponent_WithInvalidPrice_ShouldReturnNull()
{
//Gaming price should be > $600
var targetPrice = 500.00M;
var usage = new Usage[] { Usage.Gaming };
var testRepo = new Mock <IComponentRepository>();
var sut = new HardDriveRecommendationEngine(testRepo.Object);
var result = sut.GetRecommendedComponent(usage, targetPrice);
Assert.IsNull(result, "{0} <= {1}", Enum.GetName(typeof(Usage), usage[0]), targetPrice);
//Media/Programming Price should be > $500
targetPrice = 250.00M;
usage = new Usage[] { Usage.Programming };
result = sut.GetRecommendedComponent(usage, targetPrice);
Assert.IsNull(result, "{0} <= {1}", Enum.GetName(typeof(Usage), usage[0]), targetPrice);
//General/Business/Default Price should be > $200
targetPrice = 50.00M;
usage = new Usage[] { Usage.Business };
result = sut.GetRecommendedComponent(usage, targetPrice);
Assert.IsNull(result, "{0} <= {1}", Enum.GetName(typeof(Usage), usage[0]), targetPrice);
}
public void RecommendationEngine_GetRecommendedComponent_ShouldReturnMatchingHardDriveComponent()
{
var targetPrice = 501.00M;
var quality = Quality.Better;
var usage = new Usage[] { Usage.Programming, Usage.Business };
var testRepo = new Mock <IComponentRepository>();
testRepo
.Setup(x => x.GetComponentByPriceAndQuality(ComponentType.HardDrive,
It.IsAny <Quality>(), It.IsAny <decimal>()))
.Returns(new Component {
Category = ComponentType.HardDrive, Quality = Quality.Best, Price = 175.00M
});
var sut = new HardDriveRecommendationEngine(testRepo.Object);
var result = sut.GetRecommendedComponent(usage, targetPrice);
Assert.AreEqual(ComponentType.HardDrive, result.Category);
Assert.IsTrue(result.Price <= targetPrice);
Assert.IsTrue(result.Quality >= quality);
}
