public async Task DeleteAsync_Should_Throw_Exception_If_List_Does_Not_Exist_Anymore()
{
// Arrange
_todoItemRepository.GetFirstAsync(Arg.Any <Expression <Func <TodoItem, bool> > >()).ReturnsNull();
// Act
Func <Task> callDeleteAsync = async() => await _sut.DeleteAsync(Guid.NewGuid());
// Assert
callDeleteAsync.Should().Throw <NotFoundException>().WithMessage("Todo item does not exist anymore");
await _todoItemRepository.Received().GetFirstAsync(Arg.Any <Expression <Func <TodoItem, bool> > >());
}
public async Task TestDeleteAsync_CheckException()
{
// Arrange
var mock = new Mock <ITodoItemAsyncRepository>();
int inputValue = 12345;
mock.Setup(serv => serv.DeleteAsync(inputValue)).Returns(async() => { throw new Exception(); });
var todoItemService = new TodoItemService(mock.Object);
// Act & Assert
await Assert.ThrowsAsync <Exception>(() => todoItemService.DeleteAsync(inputValue));
}
public async Task DeleteAsync_Should_Delete_Entity_From_Database()
{
// Arrange
var todoItem = Builder <TodoItem> .CreateNew().With(c => c.Id = Guid.NewGuid()).Build();
TodoItemRepository.GetFirstAsync(Arg.Any <Expression <Func <TodoItem, bool> > >()).Returns(todoItem);
TodoItemRepository.DeleteAsync(Arg.Any <TodoItem>()).Returns(todoItem);
// Act
var result = await _sut.DeleteAsync(Guid.NewGuid());
// Assert
result.Id.Should().Be(todoItem.Id);
await TodoItemRepository.Received().GetFirstAsync(Arg.Any <Expression <Func <TodoItem, bool> > >());
await TodoItemRepository.Received().DeleteAsync(Arg.Any <TodoItem>());
}
public async Task TestDeleteAsync_CheckTodoItem()
{
// Arrange
var mock = new Mock <ITodoItemAsyncRepository>();
int inputValue = 1;
TodoItem todoItem = new TodoItem {
Completed = false, Id = 1, Text = "Learn"
};
mock.Setup(serv => serv.DeleteAsync(inputValue)).Returns(async() => { return(todoItem); });
var todoItemService = new TodoItemService(mock.Object);
// Act
var result = await todoItemService.DeleteAsync(inputValue);
// Assert
Assert.IsType <TodoItemDTO>(result);
}