public void GetEnginesByFuelEconomyPerHundredKm() { var data = new List <Engine> { new Engine { Name = "Engine1", EconomyPerHundredKm = 3.0M }, new Engine { Name = "Engine2", EconomyPerHundredKm = 10.3M }, new Engine { Name = "Engine3", EconomyPerHundredKm = 3.0M }, }.AsQueryable(); var mockSet = new Mock <DbSet <Engine> >(); mockSet.As <IQueryable <Engine> >().Setup(m => m.Provider).Returns(data.Provider); mockSet.As <IQueryable <Engine> >().Setup(m => m.Expression).Returns(data.Expression); mockSet.As <IQueryable <Engine> >().Setup(m => m.ElementType).Returns(data.ElementType); mockSet.As <IQueryable <Engine> >().Setup(m => m.GetEnumerator()).Returns(data.GetEnumerator()); var mockContext = new Mock <CarDealershipContext>(); mockContext.Setup(m => m.Engines).Returns(mockSet.Object); var service = new EngineBusiness(mockContext.Object); var EnginesFound = service.GetEnginesByEconomyPerHundredKm(3.0M); Assert.AreEqual(2, EnginesFound.Count()); Assert.AreEqual("Engine1", EnginesFound[0].Name); Assert.AreEqual("Engine3", EnginesFound[1].Name); }
/// <summary> /// Populate the data grid with information about engine with given economy /// </summary> private void PopulateDataGridViewGetEnginesByEconomyPerHundredKm() { dataGridView.Rows.Clear(); EngineBusiness engineBusiness = new EngineBusiness(); decimal.TryParse(txtGet.Text, out decimal economy); var enginesList = engineBusiness.GetEnginesByEconomyPerHundredKm(economy); DataPopulator(enginesList); }