def test_damerau_osa_match_ref_max_huge(self):
max_distance = sys.maxsize
comparer = DamerauOsa()
for s1 in self.test_strings:
for s2 in self.test_strings:
self.assertEqual(get_damerau_osa(s1, s2, max_distance),
comparer.distance(s1, s2, max_distance))
def test_damerau_osa_very_long_string_2(self):
max_distance = 5
short_string = "string"
very_long_string = "very_long_string"
comparer = DamerauOsa()
distance = comparer.distance(short_string, very_long_string,
max_distance)
self.assertEqual(-1, distance)
def test_damerau_osa_match_ref_max_3(self):
max_distance = 3
comparer = DamerauOsa()
for s1 in self.test_strings:
for s2 in self.test_strings:
print(s1, s2)
self.assertEqual(get_damerau_osa(s1, s2, max_distance),
comparer.distance(s1, s2, max_distance))
def test_damerau_osa_very_long_string_2(self):
print(' - %s' % inspect.stack()[0][3])
max_distance = 5
short_string = "string"
very_long_string = "very_long_string"
comparer = DamerauOsa()
distance = comparer.distance(short_string, very_long_string,
max_distance)
self.assertEqual(-1, distance)
def test_damerau_osa_null_distance(self):
max_distance = 10
short_string = "string"
long_string = "long_string"
comparer = DamerauOsa()
distance = comparer.distance(short_string, None, max_distance)
self.assertEqual(len(short_string), distance)
distance = comparer.distance(long_string, None, max_distance)
self.assertEqual(-1, distance)
distance = comparer.distance(None, short_string, max_distance)
self.assertEqual(len(short_string), distance)
distance = comparer.distance(None, long_string, max_distance)
self.assertEqual(-1, distance)
distance = comparer.distance(None, None, max_distance)
self.assertEqual(0, distance)
def test_damerau_osa_negative_max_distance(self):
max_distance_1 = 0
short_string = "string"
long_string = "long_string"
comparer = DamerauOsa()
distance = comparer.distance(short_string, None, max_distance_1)
self.assertEqual(-1, distance)
distance = comparer.distance(long_string, None, max_distance_1)
self.assertEqual(-1, distance)
distance = comparer.distance(None, short_string, max_distance_1)
self.assertEqual(-1, distance)
distance = comparer.distance(None, long_string, max_distance_1)
self.assertEqual(-1, distance)
distance = comparer.distance(None, None, max_distance_1)
self.assertEqual(0, distance)
distance = comparer.distance(short_string, short_string,
max_distance_1)
self.assertEqual(0, distance)
max_distance_2 = -1
distance = comparer.distance(short_string, None, max_distance_2)
self.assertEqual(-1, distance)
distance = comparer.distance(long_string, None, max_distance_2)
self.assertEqual(-1, distance)
distance = comparer.distance(None, short_string, max_distance_2)
self.assertEqual(-1, distance)
distance = comparer.distance(None, long_string, max_distance_2)
self.assertEqual(-1, distance)
distance = comparer.distance(None, None, max_distance_2)
self.assertEqual(0, distance)
distance = comparer.distance(short_string, short_string,
max_distance_2)
self.assertEqual(0, distance)