public async Task ShouldUpdateMessage()
{
//Arrange
Message message = new Message {
Content = "MessageIsNotUpdated"
};
string expectedContent = "MessageIsUpdated";
await _context.Messages.AddAsync(message);
await _context.SaveChangesAsync();
var handler = new UpdateMessageCommandHandler(_context);
//Act
var result = await handler.Handle(new UpdateMessageCommand
{
MessageId = message.Id,
Content = expectedContent
}, CancellationToken.None);
//Assert
_context.Messages.Find(message.Id).Content.Should().Be(expectedContent);
}
public async Task Should_succeed_with_status_updated_when_update_is_valid()
{
// Arrange
var message = MockedMessageBuilder
.SetId(1)
.SetMessage("The message")
.SetClientId(Guid.NewGuid().ToString())
.Build()
.Object;
_mockedRepository.Setup(x => x.GetAsync(It.IsAny <int>())).ReturnsAsync(message);
_mockedRepository.Setup(x => x.UnitOfWork).Returns(_mockedUnitOfWork.Object);
_mockedUnitOfWork.Setup(x => x.SaveChangesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(1);
var command = new UpdateMessageCommand(message.Id, "Successful update", message.ClientId);
var handler = new UpdateMessageCommandHandler(_mockedRepository.Object);
// Act
var result = await handler.Handle(command, default);
// Assert
Assert.True(result.Succeeded);
Assert.IsType <Updated>(result.StatusCode);
Assert.Equal(command.MessageId, message.Id);
Assert.Equal(command.Message, message.Message);
_mockedRepository.Verify(x => x.GetAsync(command.MessageId), Times.Once);
_mockedRepository.Verify(x => x.Update(message), Times.Once);
_mockedUnitOfWork.Verify(x => x.SaveChangesAsync(default), Times.Once);
public async Task Should_fail_with_status_bad_request_when_message_is_null_or_empty(string message)
{
// Arrange
var command = new UpdateMessageCommand(1, message, Guid.NewGuid().ToString());
var handler = new UpdateMessageCommandHandler(_mockedRepository.Object);
// Act
var result = await handler.Handle(command, default);
// Assert
Assert.True(result.Failed);
Assert.IsType <BadRequest>(result.StatusCode);
}
public async Task Should_fail_with_status_not_found_when_updating_message_that_does_not_exist()
{
// Arrange
_mockedRepository.Setup(x => x.GetAsync(It.IsAny <int>())).ReturnsAsync((BoardMessage)null);
var command = new UpdateMessageCommand(1, "The message", Guid.NewGuid().ToString());
var handler = new UpdateMessageCommandHandler(_mockedRepository.Object);
// Act
var result = await handler.Handle(command, default);
// Assert
Assert.True(result.Failed);
Assert.IsType <NotFound>(result.StatusCode);
_mockedRepository.Verify(x => x.GetAsync(command.MessageId), Times.Once);
}
public async Task Should_fail_with_status_bad_request_when_attempting_to_update_message_created_by_another_client()
{
// Arrange
var message = MockedMessageBuilder
.SetId(1)
.SetMessage("The message")
.SetClientId(Guid.NewGuid().ToString())
.Build()
.Object;
_mockedRepository.Setup(x => x.GetAsync(It.IsAny <int>())).ReturnsAsync(message);
var command = new UpdateMessageCommand(message.Id, "Attempt to update another client's message", Guid.NewGuid().ToString());
var handler = new UpdateMessageCommandHandler(_mockedRepository.Object);
// Act
var result = await handler.Handle(command, default);
// Assert
Assert.True(result.Failed);
Assert.IsType <BadRequest>(result.StatusCode);
_mockedRepository.Verify(x => x.GetAsync(command.MessageId), Times.Once);
}