def test_pat2(self):
print('\nTest Pat 2')
text, _, pat2 = load_test_files()
# test all patterns in pat2
for index, pat in enumerate(pat2):
if index % 10 == 0:
print(f'{index}/{len(pat2)}')
expected = [
m.start() for m in re.finditer(f'(?={pat.strip()})', text)
]
try:
actual = find_all(pat.strip(), text)
except KeyboardInterrupt as e:
print(index, pat)
raise e
try:
self.assertEqual(list(reversed(actual)), expected)
except AssertionError as e:
print(index, pat)
raise e
print(f'{len(pat2)}/{len(pat2)}')
def test_match_middle(self):
print('\nTest Match Middle')
self.subcase(1, find_all('aa', 'aaaaa'), [3, 2, 1, 0])
self.subcase(2, find_all('aa', 'baab'), [1])
self.subcase(3, find_all('bac', 'cbacd'), [1])
def test_match_suffix(self):
print('\nTest Match Suffix')
self.subcase(1, find_all('ba', 'aba'), [1])
self.subcase(2, find_all('aa', 'baa'), [1])
def test_match_exact(self):
print('\nTest Match Exact')
self.subcase(1, find_all('aba', 'aba'), [0])
self.subcase(2, find_all('aaa', 'aaa'), [0])
self.subcase(3, find_all('a', 'a'), [0])
def test_match_prefix(self):
print('\nTest Match Prefix')
self.subcase(1, find_all('aa', 'aab'), [0])
self.subcase(2, find_all('ab', 'abb'), [0])
def test_empty_pat(self):
print('\nTest Empty Pat')
self.subcase(1, find_all('', 'abc'), [0])
self.subcase(2, find_all('', 'aaa'), [0])
def test_empty_text(self):
print('\nTest Empty Text')
self.subcase(1, find_all('abc', ''), [])
self.subcase(2, find_all('aaa', ''), [])
def test_empty(self):
print('\nTest Empty')
self.subcase(1, find_all('', ''), [0])
text, pat1, pat2 = load_test_files()
if op == '1':
unittest.main(failfast=True)
elif op == '2':
import cProfile
pat = pat1[0].strip()
cProfile.run('find_all(pat, text)')
elif op == '3':
from timeit import default_timer as timer
print(f'Timing {len(pat1)} calls')
time_taken = timer()
for pat in pat1:
find_all(pat.strip(), text)
time_taken = timer() - time_taken
print('Time taken:', time_taken)
elif op == '4':
from timeit import default_timer as timer
test_text = text * 2
for len_pat in [4, 8, 12]:
times = []
pat1 = [(pat * 2)[:len_pat] for pat in pat1]
print(f'|pat| = {len(pat1[0])}')
for i in range(100_000, 1_000_000, 100_000):
print('Testing n =', i)
t = test_text[:i]
start = timer()
for pat in pat1: