def test_request_fingerprint(self):
"""Test if customization of request_fingerprint method will change
output of request_seen.
"""
r1 = Request('http://scrapytest.org/index.html')
r2 = Request('http://scrapytest.org/INDEX.html')
dupefilter = RFPDupeFilter()
dupefilter.open()
assert not dupefilter.request_seen(r1)
assert not dupefilter.request_seen(r2)
dupefilter.close('finished')
class CaseInsensitiveRFPDupeFilter(RFPDupeFilter):
def request_fingerprint(self, request):
fp = hashlib.sha1()
fp.update(to_bytes(request.url.lower()))
return fp.hexdigest()
case_insensitive_dupefilter = CaseInsensitiveRFPDupeFilter()
case_insensitive_dupefilter.open()
assert not case_insensitive_dupefilter.request_seen(r1)
assert case_insensitive_dupefilter.request_seen(r2)
case_insensitive_dupefilter.close('finished')
def test_request_fingerprint(self):
"""Test if customization of request_fingerprint method will change
output of request_seen.
"""
r1 = Request('http://scrapytest.org/index.html')
r2 = Request('http://scrapytest.org/INDEX.html')
dupefilter = RFPDupeFilter()
dupefilter.open()
assert not dupefilter.request_seen(r1)
assert not dupefilter.request_seen(r2)
dupefilter.close('finished')
class CaseInsensitiveRFPDupeFilter(RFPDupeFilter):
def request_fingerprint(self, request):
fp = hashlib.sha1()
fp.update(request.url.lower())
return fp.hexdigest()
case_insensitive_dupefilter = CaseInsensitiveRFPDupeFilter()
case_insensitive_dupefilter.open()
assert not case_insensitive_dupefilter.request_seen(r1)
assert case_insensitive_dupefilter.request_seen(r2)
case_insensitive_dupefilter.close('finished')
def test_filter(self):
dupefilter = RFPDupeFilter()
dupefilter.open()
r1 = Request('http://scrapytest.org/1')
r2 = Request('http://scrapytest.org/2')
r3 = Request('http://scrapytest.org/2')
assert not dupefilter.request_seen(r1)
assert dupefilter.request_seen(r1)
assert not dupefilter.request_seen(r2)
assert dupefilter.request_seen(r3)
dupefilter.close('finished')
def test_filter(self):
dupefilter = RFPDupeFilter()
dupefilter.open()
r1 = Request('http://scrapytest.org/1')
r2 = Request('http://scrapytest.org/2')
r3 = Request('http://scrapytest.org/2')
assert not dupefilter.request_seen(r1)
assert dupefilter.request_seen(r1)
assert not dupefilter.request_seen(r2)
assert dupefilter.request_seen(r3)
dupefilter.close('finished')
def test_dupefilter_path(self):
r1 = Request('http://scrapytest.org/1')
r2 = Request('http://scrapytest.org/2')
path = tempfile.mkdtemp()
try:
df = RFPDupeFilter(path)
df.open()
assert not df.request_seen(r1)
assert df.request_seen(r1)
df.close('finished')
df2 = RFPDupeFilter(path)
df2.open()
assert df2.request_seen(r1)
assert not df2.request_seen(r2)
assert df2.request_seen(r2)
df2.close('finished')
finally:
shutil.rmtree(path)
def test_dupefilter_path(self):
r1 = Request('http://scrapytest.org/1')
r2 = Request('http://scrapytest.org/2')
path = tempfile.mkdtemp()
try:
df = RFPDupeFilter(path)
df.open()
assert not df.request_seen(r1)
assert df.request_seen(r1)
df.close('finished')
df2 = RFPDupeFilter(path)
df2.open()
assert df2.request_seen(r1)
assert not df2.request_seen(r2)
assert df2.request_seen(r2)
df2.close('finished')
finally:
shutil.rmtree(path)
def test_seenreq_newlines(self):
""" Checks against adding duplicate \r to
line endings on Windows platforms. """
r1 = Request('http://scrapytest.org/1')
path = tempfile.mkdtemp()
try:
df = RFPDupeFilter(path)
df.open()
df.request_seen(r1)
df.close('finished')
with open(os.path.join(path, 'requests.seen'), 'rb') as seen_file:
line = next(seen_file).decode()
assert not line.endswith('\r\r\n')
if sys.platform == 'win32':
assert line.endswith('\r\n')
else:
assert line.endswith('\n')
finally:
shutil.rmtree(path)