public async Task RequestFriendship_ShouldReturnForbiddenResult_WhenWhenRequesterAndAddresseeIdAreTheSame()
{
// Arrange
RequestFriendshipBody body = new RequestFriendshipBody {
AddresseeId = 1
};
Claim expectedNameIdentifierClaim = new Claim(ClaimTypes.NameIdentifier, body.AddresseeId.ToString());
Mock <ClaimsPrincipal> userMock = new Mock <ClaimsPrincipal>();
userMock
.Setup(m => m.FindFirst(ClaimTypes.NameIdentifier))
.Returns(expectedNameIdentifierClaim);
FriendshipController controller = new FriendshipController(null, null)
{
ControllerContext = new ControllerContext
{
HttpContext = new DefaultHttpContext {
User = userMock.Object
}
}
};
// Act
ActionResult <FriendshipResource> response = await controller.RequestFriendship(body);
// Assert
ObjectResult result = Assert.IsType <ObjectResult>(response.Result);
ErrorResource error = Assert.IsType <ErrorResource>(result.Value);
Assert.Equal(StatusCodes.Status403Forbidden, error.StatusCode);
}
public async Task RequestFriendship_ShouldReturnBadRequestResult_WhenModelValidationFails()
{
// Arrange
RequestFriendshipBody model = new RequestFriendshipBody {
AddresseeId = -123
};
FriendshipController controller = new FriendshipController(null, null);
controller.ModelState.AddModelError("", "");
// Act
ActionResult <FriendshipResource> response = await controller.RequestFriendship(model);
// Assert
Assert.IsType <BadRequestObjectResult>(response.Result);
}
public async Task RequestFriendship_ShouldReturnForbiddenResult_WhenUserCombinationAlreadyExists()
{
// Arrange
RequestFriendshipBody body = new RequestFriendshipBody {
AddresseeId = 1
};
Claim expectedNameIdentifierClaim = new Claim(ClaimTypes.NameIdentifier, "2");
Mock <ClaimsPrincipal> userMock = new Mock <ClaimsPrincipal>();
userMock
.Setup(m => m.FindFirst(ClaimTypes.NameIdentifier))
.Returns(expectedNameIdentifierClaim);
Mock <IMediator> mediatorMock = new Mock <IMediator>();
mediatorMock
.Setup(m => m.Send(It.IsAny <UserExistsQuery>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(true);
mediatorMock
.Setup(m => m.Send(It.IsAny <FriendshipCombinationExistsQuery>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(true);
FriendshipController controller = new FriendshipController(mediatorMock.Object, null)
{
ControllerContext = new ControllerContext
{
HttpContext = new DefaultHttpContext {
User = userMock.Object
}
}
};
// Act
ActionResult <FriendshipResource> response = await controller.RequestFriendship(body);
// Assert
ObjectResult result = Assert.IsType <ObjectResult>(response.Result);
ErrorResource error = Assert.IsType <ErrorResource>(result.Value);
Assert.Equal(StatusCodes.Status403Forbidden, error.StatusCode);
}
public async Task RequestFriendship_ShouldReturnCreatedResult_WithCreatedResource()
{
// Arrange
RequestFriendshipBody body = new RequestFriendshipBody {
AddresseeId = 2
};
FriendshipResource expectedFriendship = new FriendshipResource
{
AddresseeId = 2,
RequesterId = 1,
FriendshipId = 1
};
Claim expectedNameIdentifierClaim = new Claim(ClaimTypes.NameIdentifier, "1");
Mock <ClaimsPrincipal> userMock = new Mock <ClaimsPrincipal>();
userMock
.Setup(m => m.FindFirst(ClaimTypes.NameIdentifier))
.Returns(expectedNameIdentifierClaim);
Mock <IMediator> mediatorMock = new Mock <IMediator>();
mediatorMock
.Setup(m => m.Send(It.IsAny <RequestFriendshipCommand>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(expectedFriendship);
mediatorMock
.Setup(m => m.Send(It.IsAny <UserExistsQuery>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(true);
mediatorMock
.Setup(m => m.Send(It.IsAny <FriendshipCombinationExistsQuery>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(false);
MapperConfiguration mapperConfiguration = new MapperConfiguration(config =>
{
config.CreateMap <RequestFriendshipBody, RequestFriendshipCommand>();
});
IMapper mapperMock = mapperConfiguration.CreateMapper();
FriendshipController controller = new FriendshipController(mediatorMock.Object, mapperMock)
{
ControllerContext = new ControllerContext
{
HttpContext = new DefaultHttpContext {
User = userMock.Object
}
}
};
// Act
ActionResult <FriendshipResource> response = await controller.RequestFriendship(body);
// Assert
CreatedAtActionResult result = Assert.IsType <CreatedAtActionResult>(response.Result);
Assert.Equal(expectedFriendship, result.Value);
}
public async Task <ActionResult <FriendshipResource> > RequestFriendship([FromBody] RequestFriendshipBody body, CancellationToken cancellationToken = default)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
// Get the current user id
int requesterId = int.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value);
// Check if requester + addressee id are the same
if (requesterId == body.AddresseeId)
{
return(StatusCode(StatusCodes.Status403Forbidden, new ErrorResource
{
StatusCode = StatusCodes.Status403Forbidden,
Message = "You cannot create a friendship with yourself"
}));
}
// Check if the addressed user exists
UserExistsQuery existsQuery = new UserExistsQuery {
UserId = body.AddresseeId
};
bool userExists = await _mediator.Send(existsQuery, cancellationToken);
if (!userExists)
{
return(NotFound(new ErrorResource
{
StatusCode = StatusCodes.Status404NotFound,
Message = $"User with ID '{body.AddresseeId}' does not exist"
}));
}
// Check if there is already a friendship with the given user combination
FriendshipCombinationExistsQuery combinationExistsQuery = new FriendshipCombinationExistsQuery
{
RequesterId = requesterId,
AddresseeId = body.AddresseeId
};
bool combinationExists = await _mediator.Send(combinationExistsQuery, cancellationToken);
if (combinationExists)
{
return(StatusCode(StatusCodes.Status403Forbidden, new ErrorResource
{
StatusCode = StatusCodes.Status403Forbidden,
Message = $"There is already a friendship with user {body.AddresseeId}"
}));
}
// Create friendship
RequestFriendshipCommand command = _mapper.Map <RequestFriendshipBody, RequestFriendshipCommand>(body);
FriendshipResource friendship = await _mediator.Send(command, cancellationToken);
return(CreatedAtAction(nameof(GetFriendshipById), new { friendshipId = friendship.FriendshipId }, friendship));
}
