public void GetEnginesByPower() { var data = new List <Engine> { new Engine { Name = "Engine1", Power = 150 }, new Engine { Name = "Engine2", Power = 150 }, new Engine { Name = "Engine3", Power = 100 }, }.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.GetEnginesByPower(150); Assert.AreEqual(2, EnginesFound.Count()); Assert.AreEqual("Engine1", EnginesFound[0].Name); Assert.AreEqual("Engine2", EnginesFound[1].Name); }
/// <summary> /// Populate the data grid with information about engine with given power /// </summary> private void PopulateDataGridViewGetEnginesByPower() { dataGridView.Rows.Clear(); EngineBusiness engineBusiness = new EngineBusiness(); int.TryParse(txtGet.Text, out int power); var enginesList = engineBusiness.GetEnginesByPower(power); DataPopulator(enginesList); }