def test_input_value(self):
diff = Diff()
with self.assertRaises(ExamException):
diff.compute([2])
global score; score += 2 # Increase score
def test_input_data_items(self):
diff = Diff(2)
with self.assertRaises(ExamException):
diff.compute([1,3,'ciao', 5])
global score; score += 1 # Increase score
def test_correctness_interface(self):
diff = Diff(ratio=2)
self.assertEqual(diff.compute([2, 4, 8, 16]), [1, 2, 4])
global score
score += 2 # Increase score
def test_init_type(self):
with self.assertRaises(ExamException):
Diff(None)
with self.assertRaises(ExamException):
Diff('hi')
global score; score += 1 # Increase score
def test_init_value_negative(self):
with self.assertRaises(ExamException):
Diff(-1)
global score
score += 1 # Increase score
def test_init_value_zero(self):
with self.assertRaises(ExamException):
Diff(0)
global score
score += 1 # Increase score
def test_input_type(self):
diff = Diff(2)
with self.assertRaises(ExamException):
diff.compute(None)
with self.assertRaises(ExamException):
diff.compute(1)
global score; score += 2 # Increase score
def test_correctness_edge_cases(self):
diff = Diff()
self.assertEqual(diff.compute([2,4]), [2])
diff = Diff(3.7)
diff_result = diff.compute([2,4,8,16])
self.assertAlmostEqual(diff_result[0], 0.5405405405405405)
self.assertAlmostEqual(diff_result[1], 1.081081081081081)
self.assertAlmostEqual(diff_result[2], 2.162162162162162)
global score; score += 2 # Increase score
def test_correctness(self):
diff = Diff()
self.assertEqual(diff.compute([2,4,8,16]), [2,4,8])
self.assertEqual(diff.compute([2,4,8,16,32]), [2,4,8,16])
self.assertEqual(diff.compute([2,4,8,16,32,64]), [2,4,8,16,32])
diff = Diff()
self.assertEqual(diff.compute([2.5,4.5,10]), [2,5.5])
diff = Diff(2)
self.assertEqual(diff.compute([2,4,8,16,32,64]), [1,2,4,8,16])
global score; score += 18 # Increase score