public async Task <ValidationResult> Handle(UpdateColumnTitleCommand request, CancellationToken cancellationToken)
{
if (!request.IsValid())
{
return(request.ValidationResult);
}
var board = await _boardRepository.GetById(request.BoardId);
if (board == null)
{
AddError(UserMessages.NotFound.Format("Board").Message);
return(ValidationResult);
}
if (!board.ColumnExists(request.ColumnId))
{
AddError(UserMessages.NotFound.Format("Column").Message);
return(ValidationResult);
}
board.UpdateColumnTitle(request.ColumnId, request.NewColumnTitle);
return(await Commit(_boardRepository.UnitOfWork));
}
public async Task Handle_UpdateColumnTitleCommand_ShouldUpdateAndCommit_WhenValid()
{
// Arrange
var board = new Board("Personal Board");
var column = new Column("To do");
board.AddColumn(column);
var command = new UpdateColumnTitleCommand(board.Id, column.Id, "Doing");
_autoMocker.GetMock <IBoardRepository>()
.Setup(x => x.GetById(command.BoardId)).ReturnsAsync(board);
_autoMocker.GetMock <IBoardRepository>()
.Setup(x => x.UnitOfWork).Returns(_autoMocker.GetMock <IUnitOfWork>().Object);
_autoMocker.GetMock <IUnitOfWork>()
.Setup(x => x.Commit()).Returns(Task.FromResult(true));
// Act
var validationResult = await _boardCommandHandler.Handle(command, CancellationToken.None);
// Assert
_autoMocker.GetMock <IBoardRepository>()
.Verify(x => x.GetById(It.Is <Guid>(x => x.Equals(command.BoardId))), Times.Once);
_autoMocker.GetMock <IUnitOfWork>()
.Verify(x => x.Commit(), Times.Once);
Assert.True(validationResult.IsValid);
}
public async Task Handle_UpdateColumnTitleCommand_ShouldFailValidation_WhenEmptyNewColumnTitle()
{
// Arrange
var command = new UpdateColumnTitleCommand(Guid.NewGuid(), Guid.NewGuid(), "");
// Act
var validationResult = await _boardCommandHandler.Handle(command, CancellationToken.None);
// Assert
Assert.False(validationResult.IsValid);
Assert.Single(validationResult.Errors);
Assert.Equal(UserMessages.RequiredField.Format("NewColumnTitle").Message, validationResult.Errors.First().ErrorMessage);
}
public async Task Handle_UpdateColumnTitleCommand_ShouldFailValidation_WhenBoardNotFound()
{
// Arrange
var command = new UpdateColumnTitleCommand(Guid.NewGuid(), Guid.NewGuid(), "To do");
_autoMocker.GetMock <IBoardRepository>()
.Setup(x => x.GetById(command.BoardId)).ReturnsAsync((Board)null);
// Act
var validationResult = await _boardCommandHandler.Handle(command, CancellationToken.None);
// Assert
_autoMocker.GetMock <IBoardRepository>()
.Verify(x => x.GetById(It.Is <Guid>(x => x.Equals(command.BoardId))), Times.Once);
Assert.False(validationResult.IsValid);
Assert.Single(validationResult.Errors);
Assert.Equal(UserMessages.NotFound.Format("Board").Message, validationResult.Errors.First().ErrorMessage);
}
