public async Task On_Update_Should_Throw_FailedToUpdateTodoException_When_Exception_Received()
{
// Given:
var todoItem = new Todo()
{
Id = 0,
Name = "Water plants",
Completed = false
};
// And:
var commandRepository = new Mock <ITodoCommandRepository>();
commandRepository
.Setup(r => r.UpdateTodoAsync(It.IsAny <Todo>()))
.ThrowsAsync(new NullReferenceException("Problem with database!"));
// And:
var sut = new DefaultTodoService(commandRepository.Object, null);
// When:
var func = new Func <Task>(async() => { await sut.UpdateTodoAsync(todoItem); });
// Then:
var exception = await Assert.ThrowsAsync <FailedToUpdateTodoException>(func);
Assert.Equal("Problem with database!", exception.Message);
}
public async Task On_Update_Should_Proceed_When_No_Exception()
{
// Given:
var todoItem = new Todo()
{
Id = 0,
Name = "Water plants",
Completed = false
};
// And:
var commandRepository = new Mock <ITodoCommandRepository>();
commandRepository
.Setup(r => r.UpdateTodoAsync(It.IsAny <Todo>()))
.ReturnsAsync(todoItem);
// And:
var sut = new DefaultTodoService(commandRepository.Object, null);
// When:
var result = await sut.UpdateTodoAsync(todoItem);
// Then:
Assert.NotNull(result);
}
public async Task On_Update_Should_Throw_TodoNotFoundException_When_TodoNotFoundException_Received()
{
// Given:
var todoItem = new Todo()
{
Id = 0,
Name = "Water plants",
Completed = false
};
// And:
var commandRepository = new Mock <ITodoCommandRepository>();
commandRepository
.Setup(r => r.UpdateTodoAsync(It.IsAny <Todo>()))
.ThrowsAsync(new TodoNotFoundException(todoItem.Id.ToString()));
// And:
var sut = new DefaultTodoService(commandRepository.Object, null);
// When:
var func = new Func <Task>(async() => { await sut.UpdateTodoAsync(todoItem); });
// Then:
var exception = await Assert.ThrowsAsync <TodoNotFoundException>(func);
Assert.Equal("0", exception.Message);
}