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test.py
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test.py
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"""
Simple test suite for acora.
"""
import acora
DOTDEBUG = True # False
if acora.BytesAcora is acora.PyAcora or acora.UnicodeAcora is acora.PyAcora:
print("WARNING: '_acora' C extension not imported, only testing Python implementation")
try:
from acora._acora import tree_to_dot
except ImportError:
tree_to_dot = lambda x: None
try:
from acora._cacora import machine_to_dot
except ImportError:
machine_to_dot = lambda x: None
import sys
import unittest
import codecs
import string
# compat stuff ...
try:
unicode
except NameError:
unicode = str
try:
bytes
except NameError:
bytes = str
try:
# Python 2.6+
from io import StringIO as _StringIO, BytesIO as _BytesIO
except ImportError:
# Python 2
from StringIO import StringIO as _StringIO
_BytesIO = _StringIO
def BytesIO(*args):
if args and isinstance(args[0], unicode):
args = (args[0].encode("UTF-8"),)
return _BytesIO(*args)
def StringIO(*args):
if args and isinstance(args[0], bytes):
args = (args[0].decode("UTF-8"),)
return _BytesIO(*args)
unicode_unescaper = codecs.lookup("unicode_escape")
def unescape_unicode(s):
return unicode_unescaper.decode(s)[0]
def prepare_test_data():
s = ('bdfdaskdjfhaslkdhfsadhfklashdflabcasdabcdJAKHDBVDFLNFCBLSADHFCALKSJ'
'jklhcnajskbhfasjhancfksjdfhbvaliuradefhzcbdegnashdgfbcjaabesdhgkfcnash'
'fdkhbdegxcbgjsvdhabcabcfcgbnxahsdbgfbcakjsdhgnfcxsababcmdabe')
s = s.lower() + s + s.upper()
search_string = s * 1000
all_keywords = [
'ab', 'abc', 'abcd', 'abcabc', 'ababc', 'ABBBC', 'ABCABC',
'bdfd', 'ade', 'abe', 'bdeg', 'fklash',
'gnfcxsababcmdabe', 'SADHFCAL',
'notthere', 'not-to-be-found', 'not-to-be-found-either',
]
if sys.version_info[0] < 3:
all_keywords = list(map(unicode, all_keywords))
search_string = unicode(search_string)
return search_string, all_keywords
class AcoraTest(object):
search_string, all_keywords = prepare_test_data()
def _build(self, *keywords):
keywords = list(map(self._swrap, keywords))
builder = acora.AcoraBuilder(*keywords)
if DOTDEBUG:
print('Initial tree:')
tree_to_dot(builder.tree)
machine = builder.build(acora=self.acora)
if DOTDEBUG:
print('\nProcessed tree:')
tree_to_dot(builder.tree)
if not isinstance(machine, acora.PyAcora):
print('\nMachine:')
machine_to_dot(machine)
return machine
def _build_ignore_case(self, *keywords):
keywords = list(map(self._swrap, keywords))
builder = acora.AcoraBuilder(*keywords, ignore_case=True)
if DOTDEBUG:
print('Initial tree:')
tree_to_dot(builder.tree)
machine = builder.build(acora=self.acora)
if DOTDEBUG:
print('\nProcessed tree:')
tree_to_dot(builder.tree)
if not isinstance(machine, acora.PyAcora):
print('\nMachine:')
machine_to_dot(machine)
return machine
def _result(self, result):
s = self._swrap
return [(s(k), pos) for k,pos in result]
# basic tests
def test_finditer_single_keyword(self):
s = self._swrap
finditer = self._build('bc').finditer
self.assertEqual(
sorted(finditer(s('abcd'))),
self._result([('bc', 1)]))
def test_finditer_many_keywords(self):
s = self._swrap
finditer = self._build(*string.ascii_letters).finditer
self.assertEqual(
sorted(finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2), ('d', 3)]))
def test_finditer_many_keywords_not_found(self):
s = self._swrap
finditer = self._build(*string.ascii_letters).finditer
self.assertEqual(sorted(finditer(s(string.digits*100))), [])
def test_finditer_sequential(self):
s = self._swrap
finditer = self._build('a', 'b', 'c', 'd').finditer
self.assertEqual(
sorted(finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2), ('d', 3)]))
def test_finditer_redundant(self):
s = self._swrap
finditer = self._build('a', 'b', 'A', 'B').finditer
self.assertEqual(
sorted(finditer(s('AaBb'))),
self._result([('A', 0), ('B', 2), ('a', 1), ('b', 3)]))
def test_finditer_overlap(self):
s = self._swrap
finditer = self._build('a', 'ab', 'abc', 'abcd').finditer
self.assertEqual(
sorted(finditer(s('abcd'))),
self._result([('a', 0), ('ab', 0), ('abc', 0), ('abcd', 0)]))
def test_finditer_reverse_overlap(self):
s = self._swrap
finditer = self._build('d', 'cd', 'bcd', 'abcd').finditer
self.assertEqual(
sorted(finditer(s('abcd'))),
self._result([('abcd', 0), ('bcd', 1), ('cd', 2), ('d', 3)]))
def test_deepcopy_builder(self):
from copy import deepcopy
s = self._swrap
builder1 = acora.AcoraBuilder(*list(map(s, ['a', 'b', 'c'])))
builder2 = deepcopy(builder1)
builder2.add(s('ab'), s('bc'))
finditer1 = builder1.build(acora=self.acora).finditer
finditer2 = builder2.build(acora=self.acora).finditer
self.assertEqual(
sorted(finditer1(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
self.assertEqual(
sorted(finditer2(s('abcd'))),
self._result([('a', 0), ('ab', 0), ('b', 1), ('bc', 1), ('c', 2)]))
def test_deepcopy_machine(self):
from copy import deepcopy
s = self._swrap
builder = acora.AcoraBuilder(*list(map(s, ['a', 'b', 'c'])))
ac1 = builder.build(acora=self.acora)
ac2 = deepcopy(ac1)
self.assertEqual(
sorted(ac1.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
self.assertEqual(
sorted(ac2.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
def test_pickle_machine(self):
import pickle
s = self._swrap
builder = acora.AcoraBuilder(*list(map(s, ['a', 'b', 'c'])))
ac1 = builder.build(acora=self.acora)
#if not isinstance(ac1, acora.PyAcora):
# machine_to_dot(ac1)
ac2 = pickle.loads(pickle.dumps(ac1))
#if not isinstance(ac2, acora.PyAcora):
# machine_to_dot(ac2)
self.assertEqual(
sorted(ac1.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
self.assertEqual(
sorted(ac2.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
def test_pickle2_machine(self):
import pickle
s = self._swrap
builder = acora.AcoraBuilder(*list(map(s, ['a', 'b', 'c'])))
ac1 = builder.build(acora=self.acora)
#if not isinstance(ac1, acora.PyAcora):
# machine_to_dot(ac1)
ac2 = pickle.loads(pickle.dumps(ac1, protocol=pickle.HIGHEST_PROTOCOL))
#if not isinstance(ac2, acora.PyAcora):
# machine_to_dot(ac2)
self.assertEqual(
sorted(ac1.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
self.assertEqual(
sorted(ac2.finditer(s('abcd'))),
self._result([('a', 0), ('b', 1), ('c', 2)]))
def test_pickle_machine_new(self):
s = self._swrap
builder = acora.AcoraBuilder(*list(map(s, ['a', 'bc', 'c'])))
ac = builder.build(acora=self.acora)
#if not isinstance(ac, acora.PyAcora):
# machine_to_dot(ac)
import pickle
p = pickle.dumps(ac)
del builder, ac
import gc
gc.collect()
ac = pickle.loads(p)
#if not isinstance(ac, acora.PyAcora):
# machine_to_dot(ac)
self.assertEqual(
sorted(ac.finditer(s('abcd'))),
self._result([('a', 0), ('bc', 1), ('c', 2)]))
class UnicodeAcoraTest(unittest.TestCase, AcoraTest):
# only unicode data tests
from acora import UnicodeAcora as acora
def _swrap(self, s):
if isinstance(s, unicode):
s = s.encode('ascii')
return unescape_unicode(s)
def test_finditer_line_endings(self):
s = self._swrap
finditer = self._build_ignore_case('a', 'b', 'c', 'd', '\r', '\n').finditer
line = 0
line_matches = []
current_line_matches = []
last_ending = None
for kw, pos in finditer(s('Aa\r\nB\nbC\n\rcD\r\nd')):
if kw in '\r\n':
if last_ending == '\r' and kw == '\n':
continue
line_matches.append(tuple(current_line_matches))
del current_line_matches[:]
last_ending = kw
line += 1
else:
last_ending = None
current_line_matches.append(kw)
line_matches.append(tuple(current_line_matches))
self.assertEqual(line, 5)
self.assertEqual(
line_matches,
[('a', 'a'), ('b',), ('b', 'c'), (), ('c', 'd'), ('d',)])
def test_finditer_single_keyword_unicode(self):
s = self._swrap
finditer = self._build("\\uF8D2").finditer
self.assertEqual(
list(finditer(s("\\uF8D1\\uF8D2\\uF8D3"))),
self._result([("\\uF8D2", 1)]))
def test_finditer_single_keyword_non_bmp(self):
s = self._swrap
finditer = self._build("\\U0001F8D2").finditer
self.assertEqual(
list(finditer(s("\\U0001F8D1\\U0001F8D2\\uF8D3"))),
self._result([("\\U0001F8D2", 1)]))
def test_finditer_ignore_case_single_char(self):
s = self._swrap
finditer = self._build_ignore_case('a', 'b', 'c', 'd').finditer
self.assertEqual(
sorted(finditer(s('AaBbCcDd'))),
self._result([('a', 0), ('a', 1), ('b', 2), ('b', 3),
('c', 4), ('c', 5), ('d', 6), ('d', 7)]))
def test_finditer_ignore_case_words(self):
s = self._swrap
finditer = self._build_ignore_case('aAbb', 'bc', 'cc', 'Cd', 'ccD', 'bbb', 'cB').finditer
self.assertEqual(
sorted(finditer(s('AaBbCcDd'))),
self._result([('Cd', 5), ('aAbb', 0), ('bc', 3), ('cc', 4), ('ccD', 4)]))
def test_finditer_ignore_case_redundant(self):
s = self._swrap
finditer = self._build_ignore_case('a', 'b', 'A', 'B').finditer
self.assertEqual(
sorted(finditer(s('AaBb'))),
self._result([('A', 0), ('A', 1), ('B', 2), ('B', 3),
('a', 0), ('a', 1), ('b', 2), ('b', 3)]))
class BytesAcoraTest(unittest.TestCase, AcoraTest):
# only byte data tests
from acora import BytesAcora as acora
simple_data = 'abc' + ('a'*100+'b'*100)*1000 + 'abcde'
simple_kwds = ['abc'.encode('ASCII'),
'abcde'.encode('ASCII')]
last_match_pos = len(simple_data) - 5
expected_result = [(simple_kwds[0], 0),
(simple_kwds[0], last_match_pos),
(simple_kwds[1], last_match_pos)]
def _swrap(self, s):
if isinstance(s, unicode):
s = s.encode('ISO-8859-1')
return s
def _search_in_file(self, ac, data):
import tempfile
tmp = tempfile.TemporaryFile()
try:
tmp.write(data.encode('ASCII'))
tmp.seek(0)
return list(ac.filefind(tmp))
finally:
tmp.close()
def test_large_filelike_searching(self):
filefind = self._build('SADHFCAL'.encode('ASCII'),
'bdeg'.encode('ASCII')).filefind
data = BytesIO(self.search_string)
result = list(filefind(data))
self.assertEqual(len(result), 6000)
def test_large_filelike_searching_check(self):
ac = self._build(*self.simple_kwds)
data = BytesIO(self.simple_data)
result = list(ac.filefind(data))
self.assertEqual(result, self.expected_result)
def test_file_searching(self):
ac = self._build([ kw.encode('ASCII')
for kw in ('a', 'b', 'ab', 'abc') ])
result = self._search_in_file(ac, 'abbabc')
self.assertEqual(len(result), 8)
def test_large_file_searching(self):
ac = self._build('SADHFCAL'.encode('ASCII'),
'bdeg'.encode('ASCII'))
result = self._search_in_file(ac, self.search_string)
self.assertEqual(len(result), 6000)
def test_large_file_searching_check(self):
ac = self._build(*self.simple_kwds)
result = self._search_in_file(ac, self.simple_data)
self.assertEqual(result, self.expected_result)
def test_binary_data_search(self):
pattern = self._swrap('\xa5\x66\x80')
ac = self._build(pattern)
mainString = self._swrap(10 * '\xf0') + pattern + self._swrap(10 * '\xf0')
result = ac.findall(mainString)
self.assertEqual(result, [(pattern, 10)])
def test_binary_data_search_start(self):
pattern = self._swrap('\xa5\x66\x80')
ac = self._build(pattern)
mainString = pattern + self._swrap(10 * '\xf0')
result = ac.findall(mainString)
self.assertEqual(result, [(pattern, 0)])
def test_binary_data_search_end(self):
pattern = self._swrap('\xa5\x66\x80')
ac = self._build(pattern)
mainString = self._swrap(10 * '\xf0') + pattern
result = ac.findall(mainString)
self.assertEqual(result, [(pattern, 10)])
class PyUnicodeAcoraTest(UnicodeAcoraTest):
from acora import PyAcora as acora
class PyBytesAcoraTest(BytesAcoraTest):
from acora import PyAcora as acora
def suite():
import doctest
tests = unittest.TestSuite([
unittest.makeSuite(UnicodeAcoraTest),
unittest.makeSuite(PyUnicodeAcoraTest),
unittest.makeSuite(BytesAcoraTest),
unittest.makeSuite(PyBytesAcoraTest),
doctest.DocTestSuite(),
doctest.DocFileSuite('README.rst'),
])
return tests
if __name__ == "__main__":
args = sys.argv[1:]
verbosity = min(2, args.count('-v') + args.count('-vv')*2)
unittest.TextTestRunner(verbosity=verbosity).run(suite())