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_student() -> None:
student_1 = Student(1, "roney")
student_2 = Student(2, "tim")
student_3 = Student(3, "allen")
assert str(student_1) == "roney"
assert str(student_2) == "tim"
assert str(student_3) != "roney"
assert student_1.id == 1
assert student_2.id != 4
assert student_3.id == 3
mcq_1 = MultipleChoiceQuestion(1, "Cities in Canada",
["Toronto", "Ottawa", "Vancouver"])
mcq_2 = MultipleChoiceQuestion(2, "C", ["A", "O", "V"])
mcq_1_ans = Answer("Toronto")
student_1.set_answer(mcq_1, mcq_1_ans)
assert student_1.has_answer(mcq_1)
assert not student_1.has_answer(mcq_2)
assert student_1.get_answer(mcq_1) == mcq_1_ans
assert student_1.get_answer(mcq_2) == None
assert student_2.get_answer(mcq_1) == None
def test_grouper_alpha_make_grouping() -> None:
"""A test for make_grouping() in class AlphaGrouper."""
q = MultipleChoiceQuestion(1, 'abc', ['a'])
s1 = Student(1, 'A')
s2 = Student(2, 'B')
s3 = Student(3, 'C')
s4 = Student(4, 'D')
c = Course('CS')
c.enroll_students([s3, s4, s2, s1])
a = AlphaGrouper(2)
s = Survey([q])
result = a.make_grouping(c, s).get_groups()
assert s1 in result[0] and s2 in result[0]
assert s3 in result[1] and s4 in result[1]
def test_survey_survey_score_student() -> None:
"""A test for score_student() in class Survey."""
q1 = YesNoQuestion(1, 'BBC')
q2 = MultipleChoiceQuestion(2, 'ABC', ['A', 'B', 'C'])
a1 = Answer(True)
a2 = Answer('A')
a3 = Answer(True)
a4 = Answer('C')
stu1 = Student(100, 'Jack')
stu2 = Student(200, 'Mike')
stu1.set_answer(q1, a1)
stu1.set_answer(q2, a2)
stu2.set_answer(q1, a3)
stu2.set_answer(q2, a4)
s = Survey([q1, q2])
c = HomogeneousCriterion()
s.set_weight(2.0, q1)
s.set_criterion(c, q1)
s.set_criterion(c, q2)
assert s.score_students([stu1, stu2]) == 1.0
def test_grouper_window_make_grouping() -> None:
"""A test for make_grouping() in class WindowGrouper."""
q1 = YesNoQuestion(1, 'BBC')
q2 = MultipleChoiceQuestion(2, 'ABC', ['A', 'B', 'C'])
a1 = Answer(True)
a2 = Answer('A')
a3 = Answer(True)
a4 = Answer('B')
a5 = Answer(True)
a6 = Answer('B')
a7 = Answer(False)
a8 = Answer('C')
stu1 = Student(100, 'Jack')
stu2 = Student(200, 'Mike')
stu3 = Student(300, 'Diana')
stu4 = Student(400, 'Tom')
stu1.set_answer(q1, a1)
stu1.set_answer(q2, a2)
stu2.set_answer(q1, a3)
stu2.set_answer(q2, a4)
stu3.set_answer(q1, a5)
stu3.set_answer(q2, a6)
stu4.set_answer(q1, a7)
stu4.set_answer(q2, a8)
window = WindowGrouper(2)
survey = Survey([q1, q2])
course = Course('CS')
cri = HomogeneousCriterion()
survey.set_weight(2.0, q1)
survey.set_criterion(cri, q1)
survey.set_criterion(cri, q2)
course.enroll_students([stu1, stu2, stu3, stu4])
result = window.make_grouping(course, survey).get_groups()
assert stu1 in result[1]
assert stu2 in result[0]
assert stu3 in result[0]
assert stu4 in result[1]
def test_multiple_choice_question_string() -> None:
q = MultipleChoiceQuestion(1, "how old are you", ['10', '11'])
assert str(q) == 'how old are you\n10\n11'
def test_survey_multi_similarity_different() -> None:
"""A test for get_similarity() in class MultipleChoiceQuestion."""
q = MultipleChoiceQuestion(1, 'ABC', ['A', 'B'])
a = Answer('A')
b = Answer('B')
assert q.get_similarity(a, b) == 0.0
def test_survey_multi_invalid_answer() -> None:
"""A test for validate_answer() in class MultipleChoiceQuestion."""
q = MultipleChoiceQuestion(1, 'ABC', ['A', 'B'])
a = Answer('C')
assert q.validate_answer(a) is False
def test_survey_multi_to_string() -> None:
"""A test for _str__() in class MultipleChoiceQuestion."""
q = MultipleChoiceQuestion(1, 'ABC', ['A', 'B'])
assert type(str(q)) is str
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