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case when user sends less than 3 points, and tests for this case

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Alexander Kryklia
2012-11-27 16:10:51 +02:00
parent 01b5992372
commit dcd52801ef
1 changed files with 15 additions and 1 deletions
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16
common/lib/capa/capa/chem/miller.py
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@@ -253,13 +253,15 @@ def grade(user_input, correct_answer):
points = [map(float, p) for p in user_answer['points']]
if len(points) < 3:
return False
# round point to closes 0.05 value
points = [round0_25(point) for point in points]
points = [np.array(point) for point in points]
# print miller(points), (correct_answer['miller'].replace(' ', ''),
# negative(correct_answer['miller']).replace(' ', ''))
if miller(points) in (correct_answer['miller'].replace(' ', ''), negative(correct_answer['miller']).replace(' ', '')):
return True
@@ -269,6 +271,18 @@ def grade(user_input, correct_answer):
class Test_Crystallography_Miller(unittest.TestCase):
''' Tests for crystallography grade function.'''
def test_empty_points(self):
user_input = '{"lattice": "bcc", "points": []}'
self.assertFalse(grade(user_input, {'miller': '(2,2,2)', 'lattice': 'bcc'}))
def test_only_one_point(self):
user_input = '{"lattice": "bcc", "points": [["0.50", "0.00", "0.00"]]}'
self.assertFalse(grade(user_input, {'miller': '(2,2,2)', 'lattice': 'bcc'}))
def test_only_two_points(self):
user_input = '{"lattice": "bcc", "points": [["0.50", "0.00", "0.00"], ["0.00", "0.50", "0.00"]]}'
self.assertFalse(grade(user_input, {'miller': '(2,2,2)', 'lattice': 'bcc'}))
def test_1(self):
user_input = '{"lattice": "bcc", "points": [["0.50", "0.00", "0.00"], ["0.00", "0.50", "0.00"], ["0.00", "0.00", "0.50"]]}'
self.assertTrue(grade(user_input, {'miller': '(2,2,2)', 'lattice': 'bcc'}))