def test_change_pattern(self):
_filename = "line_feeder_integrationtest_file.txt"
file = open(_filename, 'w')
file.write("aaaa\n\naa\naaa")
file.close()
pattern = "a"
algorithm = BoyerMoore(self._get_heuristic(), pattern)
lf = LineFeeder(algorithm, _filename)
res = lf.get_results()
self.assertEqual(res, [0, 1, 2, 3, 4, 5, 6, 7, 8])
pattern = "aa"
algorithm.set_pattern(pattern)
lf = LineFeeder(algorithm, _filename)
res = lf.get_results()
self.assertEqual(res, [0, 1, 2, 3, 4, 5, 6, 7])
os.remove(_filename)
def test_find_single_match(self):
_filename = "line_feeder_integrationtest_file.txt"
file = open(_filename, 'w')
file.write("asdjasd\nvhajsdv\najsdbh\nasjd\n asdbha sjasdjasv\nbdjas")
file.close()
pattern = "jasdj"
algorithm = BoyerMoore(self._get_heuristic(), pattern)
lf = LineFeeder(algorithm, _filename)
res = lf.get_results()
self.assertEqual(res, [33])
os.remove(_filename)
def read_arguments(arg_list):
algo_list = []
comb_list = []
reading_heur = False
reading_comb = False
reading_path_pattern = True
path = ''
pattern = ''
for arg in arg_list:
if '-h' in arg:
reading_heur = True
reading_comb = False
elif '-c' in arg:
reading_heur = False
reading_comb = True
elif reading_comb:
if reading_path_pattern:
path = arg
if not os.path.isfile(path):
raise Exception("File (" + path + ") doesn't exist")
else:
pattern = arg
comb_list.append((path, pattern))
reading_path_pattern = not reading_path_pattern
elif reading_heur:
if '+' in arg:
if any(composite_part not in heur_dict
for composite_part in arg.split('+')):
raise Exception('Wrong input for heuristic')
c_h_list = [
heur_dict[composite_part]()
for composite_part in arg.split('+')
]
algo_list.append(BoyerMoore(CompositeHeuristic(c_h_list)))
else:
if arg not in heur_dict:
raise Exception('Wrong input for heuristic')
algo_list.append(BoyerMoore(heur_dict[arg]()))
return algo_list, comb_list
def test_more_match(self):
_filename = "line_feeder_integrationtest_file.txt"
file = open(_filename, 'w')
file.write(
"\nasaj\nakvhajsdajakvvajsd\nbajakvhas\njd asajakvdbha sjasdjaja\nkvasvbd\njas\n\n\n"
)
file.close()
pattern = "ajakv"
algorithm = BoyerMoore(self._get_heuristic(), pattern)
lf = LineFeeder(algorithm, _filename)
res = lf.get_results()
self.assertEqual(res, [2, 12, 23, 36, 52])
os.remove(_filename)
def test_change_text(self):
text = "aaaaaaaaa"
pattern = "a"
algorithm = BoyerMoore(self._get_heuristic(), pattern, text)
res = algorithm.get_results()
self.assertEqual(res, [0, 1, 2, 3, 4, 5, 6, 7, 8])
text = "bbbbbbbbbbbbbbb"
algorithm.set_text(text)
res = algorithm.get_results()
self.assertEqual(res, [])
def test_single_letter(self):
text = "aaaaaaaaa"
pattern = "a"
algorithm = BoyerMoore(self._get_heuristic(), pattern, text)
res = algorithm.get_results()
self.assertEqual(res, [0, 1, 2, 3, 4, 5, 6, 7, 8])
def test_more_match(self):
text = "asajakvhajsdajakvvajsdbajakvhasjd asajakvdbha sjasdjajakvasvbdjas"
pattern = "ajakv"
algorithm = BoyerMoore(self._get_heuristic(), pattern, text)
res = algorithm.get_results()
self.assertEqual(res, [2, 12, 23, 36, 52])
def test_find_no_match(self):
text = "asdjasdvhajsdvajsdbhasjd asdbha sjasdjasvbdjas"
pattern = "asff"
algorithm = BoyerMoore(self._get_heuristic(), pattern, text)
res = algorithm.get_results()
self.assertEqual(res, [])