def test_filter_link_chained_match_tag(self):
# Expected behavior:
# Student is school 1?
# Y:Student is grade 1?
# Y:True
# N:False
# N:NoDecision
leaf_link = MatchTag("grade", "1", if_true=Accept(), if_false=Reject())
root_link = MatchTag("school", "1", if_true=leaf_link)
stu1 = get_dummy_student()
stu2 = get_dummy_student()
stu3 = get_dummy_student()
stu4 = get_dummy_student()
setattr(stu1, "school", "1")
setattr(stu1, "grade", "1")
setattr(stu2, "school", "1")
setattr(stu2, "grade", "2")
setattr(stu3, "school", "2")
setattr(stu3, "grade", "1")
setattr(stu4, "school", "2")
setattr(stu4, "grade", "2")
self.assertTrue(root_link.approve(stu1))
self.assertFalse(root_link.approve(stu2))
with self.assertRaises(NoDecision):
root_link.approve(stu3)
with self.assertRaises(NoDecision):
root_link.approve(stu4)
def test_filter_link_match_tag(self):
stu1 = get_dummy_student()
stu2 = get_dummy_student()
setattr(stu1, "school", "foo")
setattr(stu2, "school", "bar")
link_tf = MatchTag("school", "foo", if_true=Accept(), if_false=Reject())
link_t = MatchTag("school", "foo", if_true=Accept())
link_f = MatchTag("school", "foo", if_false=Reject())
link_null = MatchTag("school", "foo")
self.assertTrue(link_tf.approve(stu1))
self.assertFalse(link_tf.approve(stu2))
self.assertTrue(link_t.approve(stu1))
with self.assertRaises(NoDecision):
link_t.approve(stu2)
with self.assertRaises(NoDecision):
link_f.approve(stu1)
self.assertFalse(link_f.approve(stu2))
with self.assertRaises(NoDecision):
link_null.approve(stu1)
with self.assertRaises(NoDecision):
link_null.approve(stu2)
