/usr/lib/python2.7/dist-packages/twext/web2/test/test_fileupload.py is in calendarserver 5.2+dfsg-1.
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# See LICENSE for details.
"""
Tests for L{twext.web2.fileupload} and its different parsing functions.
"""
from twisted.internet import defer
from twisted.trial import unittest
from twisted.internet.defer import waitForDeferred, deferredGenerator
from twext.web2 import stream, fileupload
from twext.web2.http_headers import MimeType
class TestStream(stream.SimpleStream):
"""
A stream that reads less data at a time than it could.
"""
def __init__(self, mem, maxReturn=1000, start=0, length=None):
self.mem = mem
self.start = start
self.maxReturn = maxReturn
if length is None:
self.length = len(mem) - start
else:
if len(mem) < length:
raise ValueError("len(mem) < start + length")
self.length = length
def read(self):
if self.mem is None:
return None
if self.length == 0:
result = None
else:
amtToRead = min(self.maxReturn, self.length)
result = buffer(self.mem, self.start, amtToRead)
self.length -= amtToRead
self.start += amtToRead
return result
def close(self):
self.mem = None
stream.SimpleStream.close(self)
class MultipartTests(unittest.TestCase):
def doTestError(self, boundary, data, expected_error):
# Test different amounts of data at a time.
ds = [fileupload.parseMultipartFormData(TestStream(data,
maxReturn=bytes),
boundary)
for bytes in range(1, 20)]
d = defer.DeferredList(ds, consumeErrors=True)
d.addCallback(self._assertFailures, expected_error)
return d
def _assertFailures(self, failures, *expectedFailures):
for flag, failure in failures:
self.failUnlessEqual(flag, defer.FAILURE)
failure.trap(*expectedFailures)
def doTest(self, boundary, data, expected_args, expected_files):
#import time, gc, cgi, cStringIO
for bytes in range(1, 20):
#s = TestStream(data, maxReturn=bytes)
s = stream.IStream(data)
#t=time.time()
d = waitForDeferred(fileupload.parseMultipartFormData(s, boundary))
yield d; args, files = d.getResult()
#e=time.time()
#print "%.2g"%(e-t)
self.assertEquals(args, expected_args)
# Read file data back into memory to compare.
out = {}
for name, l in files.items():
out[name] = [(filename, ctype, f.read()) for (filename, ctype, f) in l]
self.assertEquals(out, expected_files)
#data=cStringIO.StringIO(data)
#t=time.time()
#d=cgi.parse_multipart(data, {'boundary':boundary})
#e=time.time()
#print "CGI: %.2g"%(e-t)
doTest = deferredGenerator(doTest)
def testNormalUpload(self):
return self.doTest(
'---------------------------155781040421463194511908194298',
"""-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="foo"\r
\r
Foo Bar\r
-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/html\r
\r
Contents of a file
blah
blah\r
-----------------------------155781040421463194511908194298--\r
""",
{'foo':['Foo Bar']},
{'file':[('filename', MimeType('text', 'html'),
"Contents of a file\nblah\nblah")]})
def testMultipleUpload(self):
return self.doTest(
'xyz',
"""--xyz\r
Content-Disposition: form-data; name="foo"\r
\r
Foo Bar\r
--xyz\r
Content-Disposition: form-data; name="foo"\r
\r
Baz\r
--xyz\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/html\r
\r
blah\r
--xyz\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/plain\r
\r
bleh\r
--xyz--\r
""",
{'foo':['Foo Bar', 'Baz']},
{'file':[('filename', MimeType('text', 'html'), "blah"),
('filename', MimeType('text', 'plain'), "bleh")]})
def testStupidFilename(self):
return self.doTest(
'----------0xKhTmLbOuNdArY',
"""------------0xKhTmLbOuNdArY\r
Content-Disposition: form-data; name="file"; filename="foo"; name="foobar.txt"\r
Content-Type: text/plain\r
\r
Contents of a file
blah
blah\r
------------0xKhTmLbOuNdArY--\r
""",
{},
{'file':[('foo"; name="foobar.txt', MimeType('text', 'plain'),
"Contents of a file\nblah\nblah")]})
def testEmptyFilename(self):
return self.doTest(
'curlPYafCMnsamUw9kSkJJkSen41sAV',
"""--curlPYafCMnsamUw9kSkJJkSen41sAV\r
cONTENT-tYPE: application/octet-stream\r
cONTENT-dISPOSITION: FORM-DATA; NAME="foo"; FILENAME=""\r
\r
qwertyuiop\r
--curlPYafCMnsamUw9kSkJJkSen41sAV--\r
""",
{},
{'foo':[('', MimeType('application', 'octet-stream'),
"qwertyuiop")]})
# Failing parses
def testMissingContentDisposition(self):
return self.doTestError(
'----------0xKhTmLbOuNdArY',
"""------------0xKhTmLbOuNdArY\r
Content-Type: text/html\r
\r
Blah blah I am a stupid webbrowser\r
------------0xKhTmLbOuNdArY--\r
""",
fileupload.MimeFormatError)
def testRandomData(self):
return self.doTestError(
'boundary',
"""--sdkjsadjlfjlj skjsfdkljsd
sfdkjsfdlkjhsfadklj sffkj""",
fileupload.MimeFormatError)
def test_tooBigUpload(self):
"""
Test that a too big form post fails.
"""
boundary = '---------------------------155781040421463194511908194298'
data = """-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="foo"\r
\r
Foo Bar\r
-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/html\r
\r
Contents of a file
blah
blah\r
-----------------------------155781040421463194511908194298--\r
"""
s = stream.IStream(data)
return self.assertFailure(
fileupload.parseMultipartFormData(s, boundary, maxSize=200),
fileupload.MimeFormatError)
def test_tooManyFields(self):
"""
Test when breaking the maximum number of fields.
"""
boundary = 'xyz'
data = """--xyz\r
Content-Disposition: form-data; name="foo"\r
\r
Foo Bar\r
--xyz\r
Content-Disposition: form-data; name="foo"\r
\r
Baz\r
--xyz\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/html\r
\r
blah\r
--xyz\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/plain\r
\r
bleh\r
--xyz--\r
"""
s = stream.IStream(data)
return self.assertFailure(
fileupload.parseMultipartFormData(s, boundary, maxFields=3),
fileupload.MimeFormatError)
def test_maxMem(self):
"""
An attachment with no filename goes to memory: check that the
C{maxMem} parameter limits the size of this kind of attachment.
"""
boundary = '---------------------------155781040421463194511908194298'
data = """-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="foo"\r
\r
Foo Bar and more content\r
-----------------------------155781040421463194511908194298\r
Content-Disposition: form-data; name="file"; filename="filename"\r
Content-Type: text/html\r
\r
Contents of a file
blah
blah\r
-----------------------------155781040421463194511908194298--\r
"""
s = stream.IStream(data)
return self.assertFailure(
fileupload.parseMultipartFormData(s, boundary, maxMem=10),
fileupload.MimeFormatError)
class TestURLEncoded(unittest.TestCase):
def doTest(self, data, expected_args):
for bytes in range(1, 20):
s = TestStream(data, maxReturn=bytes)
d = waitForDeferred(fileupload.parse_urlencoded(s))
yield d; args = d.getResult()
self.assertEquals(args, expected_args)
doTest = deferredGenerator(doTest)
def test_parseValid(self):
self.doTest("a=b&c=d&c=e", {'a':['b'], 'c':['d', 'e']})
self.doTest("a=b&c=d&c=e", {'a':['b'], 'c':['d', 'e']})
self.doTest("a=b+c%20d", {'a':['b c d']})
def test_parseInvalid(self):
self.doTest("a&b=c", {'b':['c']})
|