mirror of https://github.com/scrapy/scrapy.git
44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
import unittest
|
|
from os.path import join
|
|
|
|
from scrapy.utils.gz import gunzip, is_gzipped
|
|
from scrapy.http import Response, Headers
|
|
from tests import tests_datadir
|
|
|
|
SAMPLEDIR = join(tests_datadir, 'compressed')
|
|
|
|
|
|
class GunzipTest(unittest.TestCase):
|
|
|
|
def test_gunzip_basic(self):
|
|
with open(join(SAMPLEDIR, 'feed-sample1.xml.gz'), 'rb') as f:
|
|
text = gunzip(f.read())
|
|
self.assertEqual(len(text), 9950)
|
|
|
|
def test_gunzip_truncated(self):
|
|
with open(join(SAMPLEDIR, 'truncated-crc-error.gz'), 'rb') as f:
|
|
text = gunzip(f.read())
|
|
assert text.endswith(b'</html')
|
|
|
|
def test_gunzip_no_gzip_file_raises(self):
|
|
with open(join(SAMPLEDIR, 'feed-sample1.xml'), 'rb') as f:
|
|
self.assertRaises(IOError, gunzip, f.read())
|
|
|
|
def test_gunzip_truncated_short(self):
|
|
with open(join(SAMPLEDIR, 'truncated-crc-error-short.gz'), 'rb') as f:
|
|
text = gunzip(f.read())
|
|
assert text.endswith(b'</html>')
|
|
|
|
def test_is_gzipped(self):
|
|
hdrs = Headers({"Content-Type": "application/x-gzip"})
|
|
r1 = Response("http://www.example.com", headers=hdrs)
|
|
self.assertTrue(is_gzipped(r1))
|
|
r2 = Response("http://www.example.com")
|
|
self.assertTrue(not is_gzipped(r2))
|
|
hdrs = Headers({"Content-Type": "application/javascript"})
|
|
r3 = Response("http://www.example.com", headers=hdrs)
|
|
self.assertTrue(not is_gzipped(r3))
|
|
hdrs = Headers({"Content-Type": "application/x-gzip;charset=utf-8"})
|
|
r1 = Response("http://www.example.com", headers=hdrs)
|
|
self.assertTrue(is_gzipped(r1))
|