public void Given_a_corpus_that_is_half_spam_and_half_unknown()
{
var detector = new SpamDetector();
detector.SpamFound(@"做人了");
var result = detector.IsSpam(@"我不做人了！");
Assert.AreEqual(result, CategorizationResult.Undetermined);
}
public void Given_text_marked_as_spam_then_marked_as_ham()
{
var detector = new SpamDetector();
var spamCorpus = @"你要说的下一句话是……";
detector.SpamFound(spamCorpus);
detector.HamFound(spamCorpus);
Assert.AreEqual(detector.IsSpam(spamCorpus), CategorizationResult.Undetermined);
}
public void Given_text_that_has_an_equivalent_number_of_ham_and_spam()
{
var detector = new SpamDetector();
var ham = @"不愧是DIO！";
var spam = @"不过，我拒绝";
detector.HamFound(ham);
detector.SpamFound(spam);
var result = detector.IsSpam(@"不愧是DIO！不过，我拒绝");
Assert.AreEqual(result, CategorizationResult.Undetermined);
}
public void Given_text_previously_marked_as_spam()
{
var detector = new SpamDetector();
var corpus = @"无駄";
var ham = @"我在短暂的人生里发现...一个人越是玩弄阴谋，就越会感到人类的能力是有极限的....";
detector.SpamFound(corpus);
detector.HamFound(ham);
var isSpam = detector.IsSpam(corpus);
Assert.AreEqual(isSpam, CategorizationResult.First);
}
public void Given_a_corpus_that_is_heavily_weighted_towards_being_spam()
{
var ham = @"做人了";
var spam = @"我不做人了！";
var detector = new SpamDetector();
detector.HamFound(ham);
detector.SpamFound(spam);
var result = detector.IsSpam(@"我不做人了！");
Assert.AreEqual(result, CategorizationResult.First);
}