public void Voteable_SameUserCannotApplyVoteTwice_Throws()
{
// Arrange
var target = new QuestionBuilder().SetupValidQuestion().Build();
var firstVote = new VoteBuilder(target).SetupValidUpvote().ByOneUser().Build();
var secondVote = new VoteBuilder(target).SetupValidUpvote().ByOneUser().Build();
target.ApplyVote(firstVote);
// Act, Assert
Assert.Throws <BusinessException>(() => target.ApplyVote(secondVote));
}
public void Voteable_CannotRevokeNonExistingVote_Throws()
{
// Arrange
var target = new QuestionBuilder().SetupValidQuestion().Build();
var limits = new LimitsBuilder().Build();
var firstVote = new VoteBuilder(target).SetupValidUpvote().ByOneUser().Build();
var secondVote = new VoteBuilder(target).SetupValidUpvote().ByAnotherUser().Build();
target.ApplyVote(firstVote);
// Act, Assert
Assert.Throws <BusinessException>(() => target.RevokeVote(secondVote, limits));
}
public void Voteable_CanApplyVoteToQuestion_Successfully()
{
// Arrange
var target = new QuestionBuilder().SetupValidQuestion().Build();
var vote = new VoteBuilder(target).SetupValidUpvote().ByOneUser().Build();
// Act
target.ApplyVote(vote);
// Assert
Assert.Equal(1, target.VotesSum);
Assert.Contains(vote, target.Votes);
}
public void Voteable_CanRevokeVoteWithinDeadline_Successfully()
{
// Arrange
var target = new QuestionBuilder().SetupValidQuestion().Build();
var vote = new VoteBuilder(target).SetupValidUpvote().ByOneUser().Build();
var limits = new LimitsBuilder().Build();
target.ApplyVote(vote);
// Act
target.RevokeVote(vote, limits);
// Assert
Assert.Equal(0, target.VotesSum);
}
public void Voteable_CannotRevokeVoteOutsideDeadline_Successfully()
{
// Arrange
var target = new QuestionBuilder().SetupValidQuestion().Build();
var limits = new LimitsBuilder().Build();
var firstVote = new VoteBuilder(target)
.SetupValidUpvote()
.ByOneUser()
.MakeTimeGoBy()
.Build();
target.ApplyVote(firstVote);
// Act, Assert
Assert.Throws <BusinessException>(() => target.RevokeVote(firstVote, limits));
}
