public void ReturnCorrectImagesCount_WhenCorrectBookIdIsPassed()
{
// Arrange
var dbSetMock = new Mock <ILibrarySystemEfWrapper <Image> >();
var imageServices = new ImageServices(dbSetMock.Object);
Guid id = Guid.NewGuid();
var expectedResult = 3;
dbSetMock.Setup(r => r.All()).Returns(() => new List <Image>()
{
new Image()
{
Id = Guid.NewGuid(), BookId = id
},
new Image()
{
Id = Guid.NewGuid(), BookId = id
},
new Image()
{
Id = Guid.NewGuid(), BookId = id
},
new Image()
{
Id = Guid.NewGuid(), BookId = Guid.NewGuid()
}
}.AsQueryable());
// Act
var result = imageServices.GetImagesByBookId(id);
// Assert
Assert.AreEqual(expectedResult, result.ToList().Count());
}
