def test_increment_does_nothing_if_mail_already_has_the_tag(self):
        tag = Tag('tag')
        tag.mails = set([12])
        tag.increment(12)

        self.assertEquals(1, tag.total)
    def test_increment_does_nothing_if_mail_already_has_the_tag(self):
        tag = Tag('tag')
        tag.mails = set([12])
        tag.increment(12)

        self.assertEquals(1, tag.total)
    def test_increments_total_count_and_adds_mails_id_to_mails(self):
        tag = Tag('another')
        tag.increment(12)

        self.assertIn(12, tag.mails)
        self.assertEquals(1, tag.total)
    def test_increments_total_count_and_adds_mails_id_to_mails(self):
        tag = Tag('another')
        tag.increment(12)

        self.assertIn(12, tag.mails)
        self.assertEquals(1, tag.total)