public void GetAllLists_should_return_lists()
{
// Arrange - We're mocking our dbSet & dbContext
// in-memory data
IQueryable <TodoList> lists = new List <TodoList>()
{
new TodoList()
{
Id = 1,
Name = "First list",
Items = new HashSet <TodoItem>(),
},
new TodoList()
{
Id = 2,
Name = "Second list",
Items = new HashSet <TodoItem>(),
},
}.AsQueryable();
// To query our database we need to implement IQueryable
var mockSet = new Mock <DbSet <TodoList> >();
mockSet.As <IQueryable <TodoList> >().Setup(m => m.Provider).Returns(lists.Provider);
mockSet.As <IQueryable <TodoList> >().Setup(m => m.Expression).Returns(lists.Expression);
mockSet.As <IQueryable <TodoList> >().Setup(m => m.ElementType).Returns(lists.ElementType);
mockSet.As <IQueryable <TodoList> >().Setup(m => m.GetEnumerator()).Returns(lists.GetEnumerator());
var mockContext = new Mock <TodoContext>();
mockContext.Setup(c => c.Lists).Returns(mockSet.Object);
// We also need a push service
var mockPush = new Mock <IPushService>();
// Act
var sub = new TodoService(null, mockContext.Object, mockPush.Object);
var actual = sub.GetAllLists();
// Assert
actual.Should()
.NotBeEmpty()
.And.HaveCount(2);
actual.First().Value.Should().Be("First list");
}