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tests.py
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tests.py
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# TODO: Add the test cases that you'll be submitting to this file!
# Make sure your test cases are all named starting with
# test_ and that they have unique names.
# You may need to import pytest in order to run your tests.
# You are free to import hypothesis and use hypothesis for testing.
# This file will not be graded for style with PythonTA
import course
import survey
import criterion
import grouper
import pytest
###############################################################################
# Task 2 Test cases
###############################################################################
def test_has_answer_yes_no_question() -> None:
"""Test that YesNoQuestion has appropriate answer for student."""
student = course.Student(1, 'Alex')
question = survey.YesNoQuestion(1, 'is a1 difficult?')
answer = survey.Answer(True)
student.set_answer(question, answer)
actual = True
assert actual == student.has_answer(question)
def test_set_answer_changes_already_answer() -> None:
"""Test that method changes already had answer into new answer for question.
"""
student = course.Student(1, 'Alex')
question = survey.YesNoQuestion(1, 'is a1 difficult?')
answer = survey.Answer(False)
student.set_answer(question, answer)
answer2 = survey.Answer(True)
student.set_answer(question, answer2)
actual = survey.Answer(True)
assert actual.content == student.get_answer(question).content
def test_get_answer_yes_for_yes_no_answer_question() -> None:
student = course.Student(1, 'Alex')
question = survey.YesNoQuestion(1, 'is a1 difficult?')
answer = survey.Answer(True)
student.set_answer(question, answer)
actual = survey.Answer(True)
assert actual.content == student.get_answer(question).content
###############################################################################
# Task 3 Test cases
###############################################################################
def test_enroll_students_unsuccessfully() -> None:
"""Test that students have been enrolled cannot be enrolled twice."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student_list = [student, student2]
cs_course = course.Course('cs')
cs_course.enroll_students(student_list)
cs_course.enroll_students(student_list)
actual = list(cs_course.get_students())
expected = student_list
assert actual == expected
def test_students_all_answered_questions() -> None:
"""Test that the function return True iff students have answered all
questions."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student_list = [student, student2]
answer = survey.Answer(True)
cs_course = course.Course('cs')
cs_course.enroll_students(student_list)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
question_list = [question]
cs_survey = survey.Survey(question_list)
student.set_answer(question, answer)
student2.set_answer(question, answer)
actual = cs_course.all_answered(cs_survey)
expected = True
assert actual == expected
def test_get_students_in_order() -> None:
"""Test that get students method can sort all students in order."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'hooxi')
student_list = [student4, student2, student, student3]
cs_course = course.Course('cs')
cs_course.enroll_students(student_list)
expected = (student, student2, student4, student3)
actual = cs_course.get_students()
assert expected == actual
###############################################################################
# Task 4 Test cases
###############################################################################
def test_validate_answer_to_question() -> None:
"""Test that method return False if answer is invalid to Question."""
answer = survey.Answer(5)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
actual = question.validate_answer(answer)
expected = False
assert actual == expected
def test_get_similarity_successfully() -> None:
"""Test that get similarity method return 1.0 for same answer."""
answer1 = survey.Answer(True)
answer2 = survey.Answer(True)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
actual = question.get_similarity(answer1, answer2)
expected = 1.0
assert actual == expected
###############################################################################
# Task 5 Test cases
###############################################################################
def test_answer_is_valid() -> None:
"""Test that the answer is valid."""
answer = survey.Answer(False)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
actual = answer.is_valid(question)
expected = True
assert actual == expected
###############################################################################
# Task 6 Test cases
###############################################################################
def test_homogeneous_criterion_score_answer() -> None:
"""Test homogeneous criterion score students successfully."""
answer1 = survey.Answer(False)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
answer_list = [answer1]
expected = 1.0
criteria = criterion.HomogeneousCriterion()
actual = criteria.score_answers(question, answer_list)
assert expected == actual
###############################################################################
# Task 7 Test cases
###############################################################################
def test_len_successfully() -> None:
"""Test __len__ method could return number of members."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'hooxi')
members = [student, student2, student3, student4]
group = grouper.Group(members)
actual = group.__len__()
expected = 4
assert actual == expected
def test_member_contains_in_group() -> None:
"""Test __contains__ return True for members in group."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'hooxi')
members = [student, student2, student3, student4]
group = grouper.Group(members)
actual = group.__contains__(student)
expected = True
assert actual == expected
def test_get_members_return_groups_of_members() -> None:
"""Test get members method return members of group"""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'hooxi')
members = [student, student2, student3, student4]
group = grouper.Group(members)
group_copy = group.get_members()
for i in range(len(group_copy)):
assert group_copy[i] == members[i]
###############################################################################
# Task 8 Test cases
###############################################################################
def test_add_group() -> None:
"""Test add group method runs properly."""
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'hooxi')
members1 = [student, student2]
members2 = [student3, student4]
group1 = grouper.Group(members1)
group2 = grouper.Group(members2)
grouping = grouper.Grouping()
grouping.add_group(group1)
grouping.add_group(group2)
actual = [group1, group2]
for i in range(len(grouping.get_groups())):
assert grouping.get_groups()[i] == actual[i]
###############################################################################
# Task 9 Test cases
###############################################################################
def test_get_questions() -> None:
"""Test get questions method get questions in survey."""
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
expected = questions
actual = sample.get_questions()
assert expected == actual
def test_get_criterion() -> None:
"""Test get questions method get criterion in survey."""
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
expected = sample._get_criterion(question)
actual = criterion.HomogeneousCriterion()
assert type(expected) == type(actual)
def test_get_weight() -> None:
"""Test get weight method get weight in survey."""
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
expected = sample._get_weight(question)
actual = 1
assert expected == actual
def test_set_weight_successfully() -> None:
"""Test set weight for question successfully."""
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
sample.set_weight(2, question)
expected = 2
actual = sample._get_weight(question)
assert expected == actual
def test_set_criterion_successfully() -> None:
"""Test set criterion for question successfully."""
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
sample.set_criterion(criterion.HeterogeneousCriterion(), question)
expected = criterion.HeterogeneousCriterion()
actual = sample._get_criterion(question)
assert type(expected) == type(actual)
def test_score_students() -> None:
"""Test score students method return right score."""
student = course.Student(1, 'Alex')
answer1 = survey.Answer(False)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
student.set_answer(question, answer1)
students = [student]
actual = sample.score_students(students)
expected = 1.0
assert actual == expected
def test_score_grouping() -> None:
"""Test score grouping method return right score."""
student = course.Student(1, 'Alex')
answer1 = survey.Answer(False)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
questions = [question]
sample = survey.Survey(questions)
student.set_answer(question, answer1)
students = [student]
group = grouper.Group(students)
grouping = grouper.Grouping()
grouping.add_group(group)
expected = 1.0
actual = sample.score_grouping(grouping)
assert expected == actual
###############################################################################
# Task 10 Test cases
###############################################################################
def test_alpha_grouper() -> None:
"""Test alpha grouper divides groups appropriately."""
lst_grouper = grouper.AlphaGrouper(2)
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'Hooxi')
student_list = [student, student2, student3, student4]
answer = survey.Answer(True)
cs_course = course.Course('cs')
cs_course.enroll_students(student_list)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
question_list = [question]
cs_survey = survey.Survey(question_list)
student.set_answer(question, answer)
student2.set_answer(question, answer)
student3.set_answer(question, answer)
student4.set_answer(question, answer)
actual = lst_grouper.make_grouping(cs_course, cs_survey).get_groups()
grouping = grouper.Grouping()
members1 = [student, student4]
members2 = [student3, student2]
group1 = grouper.Group(members1)
group2 = grouper.Group(members2)
grouping.add_group(group1)
grouping.add_group(group2)
expected = grouping.get_groups()
for i in range(len(expected)):
actual_group = actual[i]
expected_group = actual[i]
for j in range(len(actual_group.get_members())):
actual_student = actual_group.get_members()[j]
expected_student = expected_group.get_members()[j]
assert actual_student == expected_student
def test_greedy_grouper() -> None:
"""Test greedy grouper divides groups appropriately."""
lst_grouper = grouper.GreedyGrouper(2)
student = course.Student(1, 'Alex')
student2 = course.Student(2, 'Swenni')
student3 = course.Student(666, 'Steven')
student4 = course.Student(9, 'Hooxi')
student_list = [student, student2, student3, student4]
answer1 = survey.Answer(True)
answer2 = survey.Answer(False)
cs_course = course.Course('cs')
cs_course.enroll_students(student_list)
question = survey.YesNoQuestion(1, 'is a1 difficult?')
question_list = [question]
cs_survey = survey.Survey(question_list)
student.set_answer(question, answer1)
student2.set_answer(question, answer2)
student3.set_answer(question, answer1)
student4.set_answer(question, answer2)
actual = lst_grouper.make_grouping(cs_course, cs_survey).get_groups()
grouping = grouper.Grouping()
members1 = [student, student3]
members2 = [student2, student4]
group1 = grouper.Group(members1)
group2 = grouper.Group(members2)
grouping.add_group(group1)
grouping.add_group(group2)
expected = grouping.get_groups()
for i in range(len(expected)):
actual_group = actual[i]
expected_group = actual[i]
for j in range(len(actual_group.get_members())):
actual_student = actual_group.get_members()[j]
expected_student = expected_group.get_members()[j]
assert actual_student == expected_student