public async Task UpdateProductCommandHandlerAsync_WithNullParameter_ThrowsException()
{
//Arrange
UpdateProductCommandRequest command = null;
//Act
var actualException = await Assert.ThrowsAsync <Exception>(() => _updateProductCommandHandler.Handle(command, new CancellationToken()));
//Assert
Assert.Equal(MessageConstants.UpdateProductCommandRequestNull, actualException.Message);
}
public async Task UpdateProductCommandHandlerAsync_WithNullId_ThrowsException()
{
//Arrange
var command = new UpdateProductCommandRequest {
Id = Guid.Empty
};
//Act
var actualException = await Assert.ThrowsAsync <Exception>(() => _updateProductCommandHandler.Handle(command, new CancellationToken()));
//Assert
Assert.Equal(MessageConstants.UpdateProductCommandRequestIdNull, actualException.Message);
}
public async Task UpdateProductCommandHandlerAsync_WitNonExistingProduct_ThrowsException()
{
//Arrange
var command = new UpdateProductCommandRequest {
Id = Guid.NewGuid()
};
_mockUnitOfWork.Setup(x => x.ProductRepository.GetById(command.Id)).Returns(Task.FromResult <Product>(null));
//Act
var actualException = await Assert.ThrowsAsync <Exception>(() => _updateProductCommandHandler.Handle(command, new CancellationToken()));
//Assert
Assert.Equal(MessageConstants.ProductNotFound, actualException.Message);
}
public async Task UpdateProductCommandHandlerAsync_WithValidParameters_UpdateProduct()
{
//Arrange
var command = new UpdateProductCommandRequest {
Id = Guid.NewGuid(), Description = "oldDescription", StockQuantity = 5, Title = "oldTitle"
};
var product = Product.Create("newDescription", 15, "newTitle", Category.Create(1, "HouseHoldAppliences", 10));
_mockUnitOfWork.Setup(x => x.ProductRepository.GetById(command.Id)).Returns(Task.FromResult(product));
_mockUnitOfWork.Setup(x => x.ProductRepository.Update(product)).Verifiable();
_mockUnitOfWork.Setup(x => x.SaveChanges()).Verifiable();
//Act
var actualResult = await _updateProductCommandHandler.Handle(command, new CancellationToken());
//Assert
Assert.True(actualResult.IsSuccess);
}
public async Task <ActionResult <UpdateProductCommandResponse> > UpdateProduct(UpdateProductCommandRequest requestModel)
{
var productUpdateResult = await Mediator.Send(requestModel);
return(productUpdateResult);
}
