def test_two_tuples_half_correct(self):
ref = [("A", 0.0, 0.5),
("B", 0.5, 1.0)]
hyp = [("B", 0.0, 0.25),
("C", 0.25, 0.5),
("D", 0.5, 0.75),
("E", 0.75, 1.0)]
self.assertEqual(0.5, der.DER(ref, hyp))
def test_three_tuples(self):
ref = [("A", 0.0, 1.0),
("B", 1.0, 1.5),
("A", 1.6, 2.1)]
hyp = [("1", 0.0, 0.8),
("2", 0.8, 1.4),
("3", 1.5, 1.8),
("1", 1.8, 2.0)]
self.assertAlmostEqual(0.35, der.DER(ref, hyp), delta=0.0001)
def test_two_tuples_same(self):
ref = [("A", 0.0, 0.5),
("B", 0.5, 1.0)]
hyp = [("B", 0.0, 0.5),
("C", 0.5, 1.0)]
self.assertEqual(0.0, der.DER(ref, hyp))
def test_single_tuple_half_different(self):
ref = [("A", 0.0, 1.0)]
hyp = [("B", 0.0, 0.5),
("C", 0.5, 1.0)]
self.assertEqual(0.5, der.DER(ref, hyp))
def test_single_tuple_half_miss(self):
ref = [("A", 0.0, 1.0)]
hyp = [("B", 0.0, 0.5)]
self.assertEqual(0.5, der.DER(ref, hyp))
def test_single_tuple_separate(self):
ref = [("A", 0.0, 1.0)]
hyp = [("B", 1.0, 2.0)]
self.assertEqual(2.0, der.DER(ref, hyp))
def test_single_tuple_all_miss(self):
ref = [("A", 0.0, 1.0)]
hyp = []
self.assertEqual(1.0, der.DER(ref, hyp))