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import pytest
from sandcrawler import gen_file_metadata, b32_hex, parse_cdx_line
def test_gen_file_metadata():
# valid (but very small) PDF file
with open('tests/files/dummy.pdf', 'rb') as f:
file_meta = gen_file_metadata(f.read())
assert file_meta == {
'mimetype': 'application/pdf',
'md5hex': '2942bfabb3d05332b66eb128e0842cff',
'sha1hex': '90ffd2359008d82298821d16b21778c5c39aec36',
'sha256hex': '3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4',
'size_bytes': 13264,
}
# valid HTML
fm = gen_file_metadata(
b"""<html><head><title>dummy</title></head><body>html document</body></html>""")
assert fm['mimetype'] == 'text/html'
# bogus text
fm = gen_file_metadata(b"asdf1234")
assert fm['mimetype'] == 'text/plain'
assert fm['size_bytes'] == 8
def test_b32_hex():
# valid b32
assert b32_hex('sha1:TZCYZ2ULEHYGESS4L3RNH75I23KKFSMC') == '9e458cea8b21f0624a5c5ee2d3ffa8d6d4a2c982'
assert b32_hex('TZCYZ2ULEHYGESS4L3RNH75I23KKFSMC') == '9e458cea8b21f0624a5c5ee2d3ffa8d6d4a2c982'
# sha1hex pass-through
s = 'bda3c1017d52e826bbd1da51efad877272d300f9'
assert b32_hex(s) == s
# invalid
with pytest.raises(ValueError):
assert b32_hex('blah') == 'blah'
def test_parse_cdx_line():
raw = "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf 20170828233154 https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf application/pdf 200 WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G - - 210251 931661233 SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828231135742-00000-00009-wbgrp-svc284/SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz"
correct = {
'sha1b32': "WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G",
'sha1hex': "b2f65203da9929c2f758e8dd587b5524f904dbe6",
'mimetype': "application/pdf",
'surt': "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf",
'url': "https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf",
'datetime': "20170828233154",
'warc': "SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828231135742-00000-00009-wbgrp-svc284/SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz",
'offset': 931661233,
'c_size': 210251,
'http_status': 200,
}
assert parse_cdx_line(raw) == correct
assert parse_cdx_line(raw + "\n") == correct
assert parse_cdx_line(raw + " extra_field") == correct
def test_invalid_cdx():
print("missing warc")
raw = "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf 20170828233154 https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf application/pdf 200 WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G - - 210251 931661233 -"
assert parse_cdx_line(raw) == None
print("bad datetime")
raw = "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf 2070828233154 https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf application/pdf 200 WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G - - 210251 931661233i SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828231135742-00000-00009-wbgrp-svc284/SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz"
assert parse_cdx_line(raw) == None
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