def test_weighted_subsections_grader(self):
# First, a few sub graders
homework_grader = graders.AssignmentFormatGrader("Homework", 12, 2)
lab_grader = graders.AssignmentFormatGrader("Lab", 7, 3)
# phasing out the use of SingleSectionGraders, and instead using AssignmentFormatGraders that
# will act like SingleSectionGraders on single sections.
midterm_grader = graders.AssignmentFormatGrader("Midterm", 1, 0)
weighted_grader = graders.WeightedSubsectionsGrader([(homework_grader, homework_grader.category, 0.25),
(lab_grader, lab_grader.category, 0.25),
(midterm_grader, midterm_grader.category, 0.5)])
over_one_weights_grader = graders.WeightedSubsectionsGrader([(homework_grader, homework_grader.category, 0.5),
(lab_grader, lab_grader.category, 0.5),
(midterm_grader, midterm_grader.category, 0.5)])
# The midterm should have all weight on this one
zero_weights_grader = graders.WeightedSubsectionsGrader([(homework_grader, homework_grader.category, 0.0),
(lab_grader, lab_grader.category, 0.0),
(midterm_grader, midterm_grader.category, 0.5)])
# This should always have a final percent of zero
all_zero_weights_grader = graders.WeightedSubsectionsGrader([(homework_grader, homework_grader.category, 0.0),
(lab_grader, lab_grader.category, 0.0),
(midterm_grader, midterm_grader.category, 0.0)])
empty_grader = graders.WeightedSubsectionsGrader([])
graded = weighted_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.5106547619047619)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = over_one_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.7688095238095238)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = zero_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.2525)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = all_zero_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
for graded in [weighted_grader.grade(self.empty_gradesheet),
weighted_grader.grade(self.incomplete_gradesheet),
zero_weights_grader.grade(self.empty_gradesheet),
all_zero_weights_grader.grade(self.empty_gradesheet)]:
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = empty_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), 0)
self.assertEqual(len(graded['grade_breakdown']), 0)
def test_weighted_subsections_grader(self):
# First, a few sub graders
homework_grader = graders.AssignmentFormatGrader("Homework", 12, 2)
lab_grader = graders.AssignmentFormatGrader("Lab", 7, 3)
midterm_grader = graders.AssignmentFormatGrader("Midterm", 1, 0)
weighted_grader = graders.WeightedSubsectionsGrader([
(homework_grader, homework_grader.category, 0.25),
(lab_grader, lab_grader.category, 0.25),
(midterm_grader, midterm_grader.category, 0.5),
])
over_one_weights_grader = graders.WeightedSubsectionsGrader([
(homework_grader, homework_grader.category, 0.5),
(lab_grader, lab_grader.category, 0.5),
(midterm_grader, midterm_grader.category, 0.5),
])
# The midterm should have all weight on this one
zero_weights_grader = graders.WeightedSubsectionsGrader([
(homework_grader, homework_grader.category, 0.0),
(lab_grader, lab_grader.category, 0.0),
(midterm_grader, midterm_grader.category, 0.5),
])
# This should always have a final percent of zero
all_zero_weights_grader = graders.WeightedSubsectionsGrader([
(homework_grader, homework_grader.category, 0.0),
(lab_grader, lab_grader.category, 0.0),
(midterm_grader, midterm_grader.category, 0.0),
])
empty_grader = graders.WeightedSubsectionsGrader([])
graded = weighted_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.50812499999999994)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = over_one_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.76624999999999999)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = zero_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.25)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = all_zero_weights_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
for graded in [
weighted_grader.grade(self.empty_gradesheet),
weighted_grader.grade(self.incomplete_gradesheet),
zero_weights_grader.grade(self.empty_gradesheet),
all_zero_weights_grader.grade(self.empty_gradesheet),
]:
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = empty_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), 0)
self.assertEqual(len(graded['grade_breakdown']), 0)