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gh-93296: test that urllib sets wrong Content-Length for pseudo files #93301

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gh-93296: test that urllib sets wrong Content-Length for pseudo files #93301

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23 changes: 23 additions & 0 deletions Lib/test/test_urllib2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -872,6 +872,29 @@ def test_file(self):
self.assertEqual(req.type, "ftp")
self.assertEqual(req.type == "ftp", ftp)

@unittest.skipUnless(sys.platform == "linux", "only relevant for Linux")
@unittest.expectedFailure
def test_special_file_system_file(self):
"""
Test that addinfo of a requested pseudo file /proc/cpuinfo is
correct. See gh-93296.
"""
url = "file:///proc/cpuinfo"
handler = urllib.request.FileHandler()
response = handler.file_open(Request(url))
try:
data = response.read()
headers = response.info()
response_url = response.geturl()
finally:
response.close()
self.assertEqual(headers["Content-type"], "text/plain")
# A failure is expected on the next line, because st_size
# was used to determine the file size. st_size is 0 for
# /proc/cpuinfo despite it is not empty.
self.assertEqual(headers["Content-length"], str(len(data)))
self.assertEqual(response_url, url)

def test_http(self):

h = urllib.request.AbstractHTTPHandler()
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