def testSort(self):
scores = [
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '1/2'),
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '0'),
utils.QuestionScores('1/2', '1/6', '0'),
]
sorted_scores = [scores[4], scores[0], scores[2], scores[3], scores[1]]
self.assertEqual(sorted(scores), sorted_scores)
def testSetQuestionScores(self):
exam = utils.ExamConfig()
exam.num_questions = 5
scores = [
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '0'),
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '0'),
utils.QuestionScores('1/2', '1/6', '0'),
]
exam.set_question_scores('A', scores)
exam.set_question_scores(
'B', [scores[1], scores[2], scores[4], scores[0], scores[3]])
def testSetQuestionScoresError(self):
exam = utils.ExamConfig()
scores = [
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '0'),
utils.QuestionScores('1', '1/3', '0'),
utils.QuestionScores('2', '2/3', '0'),
utils.QuestionScores('1/2', '1/6', '0'),
]
self.assertRaises(ValueError, exam.set_question_scores, 'A', scores)
exam.num_questions = 5
exam.set_question_scores('A', scores)
self.assertRaises(
ValueError, exam.set_question_scores, 'B',
[scores[1], scores[1], scores[4], scores[0], scores[3]])
def testAllWeightsAreOneWeightsNegative(self):
exam = utils.ExamConfig()
exam.num_questions = 5
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'))
exam.set_question_weights('A', [1, 2, 1, '1/2', 1])
exam.set_question_weights('B', [2, 1, 1, 1, '1/2'])
self.assertFalse(exam.all_weights_are_one())
def testSetEqualScores2(self):
exam = utils.ExamConfig()
exam.num_questions = 5
exam.models = ['A', 'B']
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'),
same_weights=True)
for scores in exam.scores['A'] + exam.scores['B']:
self.assertEqual(scores, exam.base_scores)
def testSetEqualScores1(self):
exam = utils.ExamConfig()
exam.num_questions = 5
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'))
exam.set_equal_scores('A')
exam.set_equal_scores('B')
for scores in exam.scores['A'] + exam.scores['B']:
self.assertEqual(scores, exam.base_scores)
def testAllWeightsAreOneWeights(self):
exam = utils.ExamConfig()
exam.num_questions = 5
self.assertFalse(exam.all_weights_are_one())
exam.models = ['A', 'B']
self.assertFalse(exam.all_weights_are_one())
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'),
same_weights=True)
self.assertTrue(exam.all_weights_are_one())
def testSetEqualScores3(self):
"""Test for issue #96.
An exception because of different weights was raised because
of the issue.
"""
exam = utils.ExamConfig()
exam.num_questions = 5
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'),
same_weights=True)
exam.set_equal_scores('A')
exam.set_equal_scores('B')
for scores in exam.scores['A'] + exam.scores['B']:
self.assertEqual(scores, exam.base_scores)
exam.set_base_scores(utils.QuestionScores('2', '1', '0'),
same_weights=True)
for scores in exam.scores['A'] + exam.scores['B']:
self.assertEqual(scores, exam.base_scores)
def testScoreEqualScores(self):
answers = [0, 1, 2, 3, 0, 1]
solutions = [1, 1, 3, 3, 4, 1]
base_score = utils.QuestionScores('1', '1/2', '0')
question_scores = 6 * [base_score]
score = utils.Score(answers, solutions, question_scores)
self.assertEqual(score.correct, 3)
self.assertEqual(score.incorrect, 1)
self.assertEqual(score.blank, 2)
self.assertEqual(score.score, 2.5)
self.assertEqual(score.max_score, 6.0)
def testSetQuestionWeightsError(self):
exam = utils.ExamConfig()
self.assertRaises(ValueError, exam.set_question_weights, 'A',
[1, 2, 2])
exam.num_questions = 3
self.assertRaises(ValueError, exam.set_question_weights, 'A',
[1, 2, 2])
exam.set_base_scores(utils.QuestionScores('1', '1/3', '0'))
exam.set_question_weights('A', [1, 2, 2])
self.assertRaises(ValueError, exam.set_question_weights, 'B',
[2, 1, 1])
def testFractionAndInt(self):
score = utils.QuestionScores('1', '1/3', '0')
self.assertEqual(score.format_all(), '1;1/3;0')
self.assertEqual(score.format_score(utils.QuestionScores.CORRECT), '1')
self.assertEqual(score.format_score(utils.QuestionScores.INCORRECT),
'1/3')
self.assertEqual(score.format_score(utils.QuestionScores.BLANK), '0')
self.assertEqual(score.score(utils.QuestionScores.CORRECT), 1)
self.assertEqual(score.score(utils.QuestionScores.INCORRECT),
fractions.Fraction(-1, 3))
self.assertEqual(score.score(utils.QuestionScores.BLANK), 0)
self.assertEqual(score.format_weight(), '1')
def testClone(self):
score1 = utils.QuestionScores('1', '1/3', '1/6', weight='3/2')
score2 = score1.clone()
self.assertEqual(score2.correct_score, score1.correct_score)
self.assertEqual(score2.incorrect_score, score1.incorrect_score)
self.assertEqual(score2.blank_score, score1.blank_score)
self.assertEqual(score2.weight, score1.weight)
score3 = score1.clone(new_weight=2)
self.assertEqual(score3.correct_score, score1.correct_score)
self.assertEqual(score3.incorrect_score, score1.incorrect_score)
self.assertEqual(score3.blank_score, score1.blank_score)
self.assertEqual(score3.weight, 2)
def testScoreError(self):
answers = [0, 1, 2, 3, 0, 1]
solutions = [1, 1, 3, 3, 4, 1]
base_score = utils.QuestionScores('1', '1/2', '0')
question_scores = [
base_score,
base_score.clone(new_weight=2),
base_score.clone(new_weight=2),
base_score,
base_score,
]
self.assertRaises(ValueError, utils.Score, answers, solutions,
question_scores)
def testSignedFormat(self):
score = utils.QuestionScores('1', '1/3', '1/6')
result = score.format_score(utils.QuestionScores.CORRECT, signed=True)
self.assertEqual(result, '1')
result = score.format_score(utils.QuestionScores.INCORRECT,
signed=True)
self.assertEqual(result, '-1/3')
result = score.format_score(utils.QuestionScores.BLANK, signed=True)
self.assertEqual(result, '-1/6')
result = score.format_correct_score(signed=True)
self.assertEqual(result, '1')
result = score.format_incorrect_score(signed=True)
self.assertEqual(result, '-1/3')
result = score.format_blank_score(signed=True)
self.assertEqual(result, '-1/6')
score = utils.QuestionScores('1.0', '0.5', '0.25')
result = score.format_score(utils.QuestionScores.CORRECT, signed=True)
self.assertEqual(result, '1.0000000000000000')
result = score.format_score(utils.QuestionScores.INCORRECT,
signed=True)
self.assertEqual(result, '-0.5000000000000000')
result = score.format_score(utils.QuestionScores.BLANK, signed=True)
self.assertEqual(result, '-0.2500000000000000')
def testWeight(self):
score = utils.QuestionScores('1', '1/3', '1/6', weight='3/2')
self.assertEqual(score.format_all(), '1;1/3;1/6')
self.assertEqual(score.format_score(utils.QuestionScores.CORRECT), '1')
self.assertEqual(score.format_score(utils.QuestionScores.INCORRECT),
'1/3')
self.assertEqual(score.format_score(utils.QuestionScores.BLANK), '1/6')
self.assertEqual(score.score(utils.QuestionScores.CORRECT),
fractions.Fraction(3, 2))
self.assertEqual(score.score(utils.QuestionScores.INCORRECT),
fractions.Fraction(-1, 2))
self.assertEqual(score.score(utils.QuestionScores.BLANK),
fractions.Fraction(-1, 4))
self.assertEqual(score.format_weight(), '3/2')
def testGetQuestionWeights(self):
exam = utils.ExamConfig()
exam.num_questions = 3
self.assertEqual(exam.get_question_weights('A'), None)
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'))
self.assertEqual(exam.get_question_weights('A'), None)
exam.set_question_weights('A', [1, 2, '1/2'])
exam.set_question_weights('B', ['1/2', '1', '2'])
self.assertEqual(exam.get_question_weights('A'),
[1, 2, fractions.Fraction(1, 2)])
self.assertEqual(exam.get_question_weights('B'),
[fractions.Fraction(1, 2), 1, 2])
self.assertEqual(exam.get_question_weights('A', formatted=True),
['1', '2', '1/2'])
self.assertEqual(exam.get_question_weights('B', formatted=True),
['1/2', '1', '2'])
def testFloat(self):
score = utils.QuestionScores(1.0, 0.5, 0.0)
key_1 = '1.0000000000000000'
key_2 = '0.5000000000000000'
key_3 = '0.0000000000000000'
self.assertEqual(score.format_all(), ';'.join((key_1, key_2, key_3)))
self.assertEqual(score.format_score(utils.QuestionScores.CORRECT),
key_1)
self.assertEqual(score.format_correct_score(), key_1)
self.assertEqual(score.format_score(utils.QuestionScores.INCORRECT),
key_2)
self.assertEqual(score.format_incorrect_score(), key_2)
self.assertEqual(score.format_score(utils.QuestionScores.BLANK), key_3)
self.assertEqual(score.format_blank_score(), key_3)
self.assertEqual(score.score(utils.QuestionScores.CORRECT), 1.0)
self.assertEqual(score.score(utils.QuestionScores.INCORRECT), -0.5)
self.assertEqual(score.score(utils.QuestionScores.BLANK), 0.0)
self.assertEqual(score.format_weight(), '1')
def testScoreDifferentScores(self):
answers = [0, 1, 2, 3, 0, 1]
solutions = [1, 1, 3, 3, 4, 1]
base_score = utils.QuestionScores('1', '1/2', '0')
question_scores = [
base_score,
base_score.clone(new_weight=2),
base_score.clone(new_weight=2),
base_score,
base_score,
base_score.clone(new_weight=3),
]
score = utils.Score(answers, solutions, question_scores)
self.assertEqual(score.correct, 3)
self.assertEqual(score.incorrect, 1)
self.assertEqual(score.blank, 2)
self.assertEqual(score.score, 5.0)
self.assertEqual(score.max_score, 10.0)
def testSetBaseScoresError(self):
exam = utils.ExamConfig()
scores = utils.QuestionScores('1', '1/2', '0', weight='2')
self.assertRaises(ValueError, exam.set_base_scores, scores)
def testSetQuestionWeights(self):
exam = utils.ExamConfig()
exam.num_questions = 5
scores = [
utils.QuestionScores('1', '1/2', '0', weight='1'),
utils.QuestionScores('1', '1/2', '0', weight='2'),
utils.QuestionScores('1', '1/2', '0', weight='1'),
utils.QuestionScores('1', '1/2', '0', weight='2'),
utils.QuestionScores('1', '1/2', '0', weight='1/2'),
utils.QuestionScores('1', '1/2', '0', weight='1'),
utils.QuestionScores('1', '1/2', '0', weight='1'),
utils.QuestionScores('1', '1/2', '0', weight='1/2'),
utils.QuestionScores('1', '1/2', '0', weight='2'),
utils.QuestionScores('1', '1/2', '0', weight='2'),
]
exam.set_base_scores(utils.QuestionScores('1', '1/2', '0'))
exam.set_question_weights('A', [1, 2, 1, 2, '1/2'])
exam.set_question_weights('B', ['1', '1', '1/2', '2', '2'])
for value, key in zip(exam.scores['A'] + exam.scores['B'], scores):
self.assertEqual(value, key)