public async Task GivenValidRequest_WhenTheFollowerTriesToUnfollowThemselves_ThrowsApiException()
{
// Arrange, verify the user is not currently being followed by the requester
var followUserCommand = new FollowUserCommand(TestConstants.TestUserName);
// Act
var request = new FollowUserCommandHandler(CurrentUserContext, Context, Mapper, UserManager, new DateTimeTest());
// Assert
await Should.ThrowAsync <ConduitApiException>(async() =>
{
await request.Handle(followUserCommand, CancellationToken.None);
});
}
public async Task GivenValidRequest_WhenTheFollowerDoesNotExist_ThrowsApiException()
{
// Arrange, verify the user is not currently being followed by the requester
var followUserCommand = new FollowUserCommand("this.user.does.not.exist");
// Act
var request = new FollowUserCommandHandler(CurrentUserContext, Context, Mapper, UserManager, new DateTimeTest());
// Assert
await Should.ThrowAsync <ConduitApiException>(async() =>
{
await request.Handle(followUserCommand, CancellationToken.None);
});
}
public async Task GivenValidRequest_WhenTheFollowerExists_ReturnsProfileViewModelAndAddsFollowee()
{
// Arrange, verify the user is not currently being followed by the requester
var followUserCommand = new FollowUserCommand("test.user2");
var user2 = Context.Users.FirstOrDefault(u => u.UserName == "test.user2");
user2.ShouldNotBeNull();
user2.Followers.ShouldBeEmpty();
// Act
var request = new FollowUserCommandHandler(CurrentUserContext, Context, Mapper, UserManager, new DateTimeTest());
var response = await request.Handle(followUserCommand, CancellationToken.None);
// Assert
response.ShouldNotBeNull();
response.ShouldBeOfType <ProfileViewModel>();
response.Profile.ShouldNotBeNull();
response.Profile.ShouldBeOfType <ProfileDto>();
user2.Followers.ShouldNotBeEmpty();
}
public async Task InputDataOk_Called_ReturnUnit()
{
// Arrange
var userId = Guid.NewGuid();
var fixture = new Fixture();
var followUserInputModel = fixture.Create <FollowUserInputModel>();
var userRepositoryMock = new Mock <IUserRepository>();
var followUserCommand = new FollowUserCommand(userId, followUserInputModel.FolloweeId);
var followUserCommandHandler = new FollowUserCommandHandler(userRepositoryMock.Object);
// Act
var unitValue = await followUserCommandHandler.Handle(followUserCommand, new CancellationToken());
// Assert
var userFollower = new UserFollower(userId, followUserInputModel.FolloweeId);
userRepositoryMock.Verify(ur => ur.AddFollowee(userId, followUserInputModel.FolloweeId), Times.Once);
}