public async Task GetTodoItemsAsync_WithElements_ShouldReturnElements()
{
// Arrange
var expectedTodoItems = new[] {
CreateFakeTodoItem(1),
CreateFakeTodoItem(2),
CreateFakeTodoItem(3)
};
var options = GetInMemoryOptions();
var mapper = GetMapper();
ClearDataBase(options);
using (var context = new ApplicationDbContext(options))
{
List <Task> tasks = new List <Task>();
foreach (var expectedTodoItem in expectedTodoItems)
{
tasks.Add(context.TodoItems.AddAsync(expectedTodoItem));
}
await Task.WhenAll(tasks);
await context.SaveChangesAsync();
}
// Act
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
var todoItems = await service.GetTodoItemsAsync();
// Assert
Assert.NotNull(todoItems);
Assert.True(todoItems.Count == 3);
for (int index = 0; index < todoItems.Count; index++)
{
Assert.Equal($"TodoItem {index + 1}", todoItems[index].Name);
}
}
ClearDataBase(options);
}
public async Task GetTodoItemsAsync_WithNoElements_ShouldReturnEmpty()
{
// Arrange
var options = GetInMemoryOptions();
var mapper = GetMapper();
ClearDataBase(options);
// Act
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
var todoItems = await service.GetTodoItemsAsync();
// Assert
Assert.NotNull(todoItems);
Assert.Empty(todoItems);
}
ClearDataBase(options);
}