mirror of https://github.com/scrapy/scrapy.git
62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
from gzip import BadGzipFile
|
|
from pathlib import Path
|
|
|
|
import pytest
|
|
from w3lib.encoding import html_to_unicode
|
|
|
|
from scrapy.http import Response
|
|
from scrapy.utils.gz import gunzip, gzip_magic_number
|
|
from tests import tests_datadir
|
|
|
|
SAMPLEDIR = Path(tests_datadir, "compressed")
|
|
|
|
|
|
def test_gunzip_basic():
|
|
r1 = Response(
|
|
"http://www.example.com",
|
|
body=(SAMPLEDIR / "feed-sample1.xml.gz").read_bytes(),
|
|
)
|
|
assert gzip_magic_number(r1)
|
|
|
|
r2 = Response("http://www.example.com", body=gunzip(r1.body))
|
|
assert not gzip_magic_number(r2)
|
|
assert len(r2.body) == 9950
|
|
|
|
|
|
def test_gunzip_truncated():
|
|
text = gunzip((SAMPLEDIR / "truncated-crc-error.gz").read_bytes())
|
|
assert text.endswith(b"</html")
|
|
|
|
|
|
def test_gunzip_no_gzip_file_raises():
|
|
with pytest.raises(BadGzipFile):
|
|
gunzip((SAMPLEDIR / "feed-sample1.xml").read_bytes())
|
|
|
|
|
|
def test_gunzip_truncated_short():
|
|
r1 = Response(
|
|
"http://www.example.com",
|
|
body=(SAMPLEDIR / "truncated-crc-error-short.gz").read_bytes(),
|
|
)
|
|
assert gzip_magic_number(r1)
|
|
|
|
r2 = Response("http://www.example.com", body=gunzip(r1.body))
|
|
assert r2.body.endswith(b"</html>")
|
|
assert not gzip_magic_number(r2)
|
|
|
|
|
|
def test_is_gzipped_empty():
|
|
r1 = Response("http://www.example.com")
|
|
assert not gzip_magic_number(r1)
|
|
|
|
|
|
def test_gunzip_illegal_eof():
|
|
text = html_to_unicode(
|
|
"charset=cp1252", gunzip((SAMPLEDIR / "unexpected-eof.gz").read_bytes())
|
|
)[1]
|
|
expected_text = (SAMPLEDIR / "unexpected-eof-output.txt").read_text(
|
|
encoding="utf-8"
|
|
)
|
|
assert len(text) == len(expected_text)
|
|
assert text == expected_text
|