public void Can_Return_Empty_Queryable()
{
//Arrange
var context = new Mock <IDbContext>();
context.Setup(x => x.Set <TestModel>()).Returns(new List <TestModel>().AsQueryable);
var projector = new Projector <TestModel>(context.Object);
//Act
var result = projector.GetAll().ToList();
//Assert
Assert.That(result, Is.Empty);
}
public void Failure_Getting_Set_Will_Bubble_Through()
{
//Arrange
const string exceptionMessage = "Test Exception";
var context = new Mock <IDbContext>();
context.Setup(x => x.Set <TestModel>()).Throws(new Exception(exceptionMessage));
var projector = new Projector <TestModel>(context.Object);
//Act
IQueryable <TestModel> TestDelegate() => projector.GetAll();
//Assert
Assert.That(TestDelegate, Throws.Exception.With.Message.EqualTo(exceptionMessage));
}
public void Returns_Queryable_Of_Type()
{
//Arrange
var expectedCollection = new List <TestModel>
{
new TestModel(0),
new TestModel(1)
};
var context = new Mock <IDbContext>();
context.Setup(x => x.Set <TestModel>()).Returns(expectedCollection.AsQueryable());
var projector = new Projector <TestModel>(context.Object);
//Act
var actualCollection = projector.GetAll().ToList();
//Assert
Assert.That(actualCollection, Has.Count.EqualTo(expectedCollection.Count));
Assert.That(actualCollection.First().Id, Is.EqualTo(0));
}