def test_answer_is_valid() -> None:
a_multiple = Answer("a")
a_checkbox = Answer(["a", "b"])
a_yesno = Answer(True)
a_yesno_2 = Answer(1)
a_numeric = Answer(15)
assert a_multiple.is_valid(MultipleChoiceQuestion(1, "choose", ["a", "b"]))\
is True
assert a_multiple.is_valid(MultipleChoiceQuestion(1, "choose", ["c", "b"])) \
is False
assert a_checkbox.is_valid(CheckboxQuestion(2, "choose", ["a", "b"])) is \
True
assert a_checkbox.is_valid(CheckboxQuestion(2, "choose", ["a", "a"])) is \
False
assert a_yesno.is_valid(YesNoQuestion(1, "choose")) is True
assert a_yesno_2.is_valid(YesNoQuestion(1, "choose")) is False
assert a_numeric.is_valid(NumericQuestion(1, "5+10", 1, 20)) is True
assert a_numeric.is_valid(NumericQuestion(1, "5+10", 18, 20)) is False
def test_survey_answer_is_valid_yes() -> None:
"""A test for is_valid() in class Answer."""
q = YesNoQuestion(1, 'ABC')
a = Answer(True)
assert a.is_valid(q)
def test_survey_answer_is_valid_no() -> None:
"""A test for is_valid() in class Answer."""
q = CheckboxQuestion(1, 'ABC', ['a', '1', ','])
a = Answer(['b'])
assert a.is_valid(q) is False
def test_questions() -> None:
mcq_1 = MultipleChoiceQuestion(1, "Cities in Canada",
["Toronto", "Ottawa", "Vancouver"])
assert mcq_1.id == 1
assert mcq_1.text == "Cities in Canada"
assert "Cities in Canada" in str(mcq_1)
assert "Toronto" in str(mcq_1)
assert "Ottawa" in str(mcq_1)
assert "Montreal" not in str(mcq_1)
mcq_1_ans = Answer("Toronto")
mcq_1_c_ans = Answer("Toronto")
mcq_2_ans = Answer("Montreal")
mcq_3_ans = Answer("")
assert mcq_1_ans.is_valid(mcq_1)
assert not mcq_2_ans.is_valid(mcq_1)
assert mcq_1.validate_answer(mcq_1_ans)
assert not mcq_1.validate_answer(mcq_2_ans)
assert not mcq_1.validate_answer(mcq_3_ans)
assert mcq_1.get_similarity(mcq_1_ans, mcq_1_c_ans) == 1.0
assert mcq_1.get_similarity(mcq_1_ans, mcq_2_ans) == 0.0
nq_1 = NumericQuestion(1, "A n.o between 1 and 5", 1, 5)
nq_1_ans = Answer(1)
nq_2_ans = Answer(2)
nq_3_ans = Answer(3)
nq_4_ans = Answer(5)
nq_5_ans = Answer(10)
nq_6_ans = Answer(1)
assert nq_1.validate_answer(nq_1_ans)
assert nq_1.validate_answer(nq_2_ans)
assert nq_1.validate_answer(nq_3_ans)
assert nq_1.validate_answer(nq_4_ans)
assert not nq_1.validate_answer(nq_5_ans)
assert nq_1_ans.is_valid(nq_1)
assert nq_2_ans.is_valid(nq_1)
assert nq_3_ans.is_valid(nq_1)
assert nq_4_ans.is_valid(nq_1)
assert not nq_5_ans.is_valid(nq_1)
assert nq_1.get_similarity(nq_1_ans, nq_6_ans) == 1.0
assert nq_1.get_similarity(nq_1_ans, nq_4_ans) == 0.0
assert nq_1.get_similarity(nq_2_ans, nq_3_ans) == 0.75
ynq = YesNoQuestion(1, "Is earth round")
ynq_1 = Answer(True)
ynq_2 = Answer(False)
ynq_3 = Answer(False)
assert ynq_1.is_valid(ynq)
assert ynq_2.is_valid(ynq)
assert not ynq.get_similarity(ynq_1, ynq_2)
assert ynq.get_similarity(ynq_2, ynq_3)
cbq = CheckboxQuestion(1, "Cities in Canada",
["Toronto", "Ottawa", "Vancouver"])
cbq_1 = Answer(["Toronto", "Ottawa"])
cbq_2 = Answer(["Seoul", "Busan"])
cbq_3 = Answer(["Toronto", "Ottawa"])
cbq_4 = Answer(["Toronto", "Vancouver"])
assert cbq.validate_answer(cbq_1)
assert not cbq.validate_answer(cbq_2)
assert cbq_1.is_valid(cbq)
assert not cbq_2.is_valid(cbq)
assert cbq.get_similarity(cbq_1, cbq_3) == 1
assert cbq.get_similarity(cbq_1, cbq_4) == 1 / 3
assert cbq.get_similarity(cbq_1, cbq_2) == 0.0