[py3] Used BytesIO to test request streams

This commit is contained in:
Claude Paroz 2012-08-11 11:11:20 +02:00
parent 87e0a75c03
commit 97fe70d30b
1 changed files with 28 additions and 28 deletions

View File

@ -3,6 +3,7 @@ from __future__ import unicode_literals
import time import time
import warnings import warnings
from datetime import datetime, timedelta from datetime import datetime, timedelta
from io import BytesIO
from django.conf import settings from django.conf import settings
from django.core.handlers.wsgi import WSGIRequest, LimitedStream from django.core.handlers.wsgi import WSGIRequest, LimitedStream
@ -10,17 +11,16 @@ from django.http import HttpRequest, HttpResponse, parse_cookie, build_request_r
from django.test.utils import str_prefix from django.test.utils import str_prefix
from django.utils import unittest from django.utils import unittest
from django.utils.http import cookie_date from django.utils.http import cookie_date
from django.utils.six import StringIO
from django.utils.timezone import utc from django.utils.timezone import utc
class RequestsTests(unittest.TestCase): class RequestsTests(unittest.TestCase):
def test_httprequest(self): def test_httprequest(self):
request = HttpRequest() request = HttpRequest()
self.assertEqual(request.GET.keys(), []) self.assertEqual(list(request.GET.keys()), [])
self.assertEqual(request.POST.keys(), []) self.assertEqual(list(request.POST.keys()), [])
self.assertEqual(request.COOKIES.keys(), []) self.assertEqual(list(request.COOKIES.keys()), [])
self.assertEqual(request.META.keys(), []) self.assertEqual(list(request.META.keys()), [])
def test_httprequest_repr(self): def test_httprequest_repr(self):
request = HttpRequest() request = HttpRequest()
@ -35,17 +35,17 @@ class RequestsTests(unittest.TestCase):
str_prefix("<HttpRequest\npath:/otherpath/,\nGET:{%(_)s'a': %(_)s'b'},\nPOST:{%(_)s'c': %(_)s'd'},\nCOOKIES:{%(_)s'e': %(_)s'f'},\nMETA:{%(_)s'g': %(_)s'h'}>")) str_prefix("<HttpRequest\npath:/otherpath/,\nGET:{%(_)s'a': %(_)s'b'},\nPOST:{%(_)s'c': %(_)s'd'},\nCOOKIES:{%(_)s'e': %(_)s'f'},\nMETA:{%(_)s'g': %(_)s'h'}>"))
def test_wsgirequest(self): def test_wsgirequest(self):
request = WSGIRequest({'PATH_INFO': 'bogus', 'REQUEST_METHOD': 'bogus', 'wsgi.input': StringIO('')}) request = WSGIRequest({'PATH_INFO': 'bogus', 'REQUEST_METHOD': 'bogus', 'wsgi.input': BytesIO(b'')})
self.assertEqual(request.GET.keys(), []) self.assertEqual(list(request.GET.keys()), [])
self.assertEqual(request.POST.keys(), []) self.assertEqual(list(request.POST.keys()), [])
self.assertEqual(request.COOKIES.keys(), []) self.assertEqual(list(request.COOKIES.keys()), [])
self.assertEqual(set(request.META.keys()), set(['PATH_INFO', 'REQUEST_METHOD', 'SCRIPT_NAME', 'wsgi.input'])) self.assertEqual(set(request.META.keys()), set(['PATH_INFO', 'REQUEST_METHOD', 'SCRIPT_NAME', 'wsgi.input']))
self.assertEqual(request.META['PATH_INFO'], 'bogus') self.assertEqual(request.META['PATH_INFO'], 'bogus')
self.assertEqual(request.META['REQUEST_METHOD'], 'bogus') self.assertEqual(request.META['REQUEST_METHOD'], 'bogus')
self.assertEqual(request.META['SCRIPT_NAME'], '') self.assertEqual(request.META['SCRIPT_NAME'], '')
def test_wsgirequest_repr(self): def test_wsgirequest_repr(self):
request = WSGIRequest({'PATH_INFO': '/somepath/', 'REQUEST_METHOD': 'get', 'wsgi.input': StringIO('')}) request = WSGIRequest({'PATH_INFO': '/somepath/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
request.GET = {'get-key': 'get-value'} request.GET = {'get-key': 'get-value'}
request.POST = {'post-key': 'post-value'} request.POST = {'post-key': 'post-value'}
request.COOKIES = {'post-key': 'post-value'} request.COOKIES = {'post-key': 'post-value'}
@ -207,26 +207,26 @@ class RequestsTests(unittest.TestCase):
def test_limited_stream(self): def test_limited_stream(self):
# Read all of a limited stream # Read all of a limited stream
stream = LimitedStream(StringIO(b'test'), 2) stream = LimitedStream(BytesIO(b'test'), 2)
self.assertEqual(stream.read(), b'te') self.assertEqual(stream.read(), b'te')
# Reading again returns nothing. # Reading again returns nothing.
self.assertEqual(stream.read(), b'') self.assertEqual(stream.read(), b'')
# Read a number of characters greater than the stream has to offer # Read a number of characters greater than the stream has to offer
stream = LimitedStream(StringIO(b'test'), 2) stream = LimitedStream(BytesIO(b'test'), 2)
self.assertEqual(stream.read(5), b'te') self.assertEqual(stream.read(5), b'te')
# Reading again returns nothing. # Reading again returns nothing.
self.assertEqual(stream.readline(5), b'') self.assertEqual(stream.readline(5), b'')
# Read sequentially from a stream # Read sequentially from a stream
stream = LimitedStream(StringIO(b'12345678'), 8) stream = LimitedStream(BytesIO(b'12345678'), 8)
self.assertEqual(stream.read(5), b'12345') self.assertEqual(stream.read(5), b'12345')
self.assertEqual(stream.read(5), b'678') self.assertEqual(stream.read(5), b'678')
# Reading again returns nothing. # Reading again returns nothing.
self.assertEqual(stream.readline(5), b'') self.assertEqual(stream.readline(5), b'')
# Read lines from a stream # Read lines from a stream
stream = LimitedStream(StringIO(b'1234\n5678\nabcd\nefgh\nijkl'), 24) stream = LimitedStream(BytesIO(b'1234\n5678\nabcd\nefgh\nijkl'), 24)
# Read a full line, unconditionally # Read a full line, unconditionally
self.assertEqual(stream.readline(), b'1234\n') self.assertEqual(stream.readline(), b'1234\n')
# Read a number of characters less than a line # Read a number of characters less than a line
@ -246,7 +246,7 @@ class RequestsTests(unittest.TestCase):
# If a stream contains a newline, but the provided length # If a stream contains a newline, but the provided length
# is less than the number of provided characters, the newline # is less than the number of provided characters, the newline
# doesn't reset the available character count # doesn't reset the available character count
stream = LimitedStream(StringIO(b'1234\nabcdef'), 9) stream = LimitedStream(BytesIO(b'1234\nabcdef'), 9)
self.assertEqual(stream.readline(10), b'1234\n') self.assertEqual(stream.readline(10), b'1234\n')
self.assertEqual(stream.readline(3), b'abc') self.assertEqual(stream.readline(3), b'abc')
# Now expire the available characters # Now expire the available characters
@ -255,7 +255,7 @@ class RequestsTests(unittest.TestCase):
self.assertEqual(stream.readline(2), b'') self.assertEqual(stream.readline(2), b'')
# Same test, but with read, not readline. # Same test, but with read, not readline.
stream = LimitedStream(StringIO(b'1234\nabcdef'), 9) stream = LimitedStream(BytesIO(b'1234\nabcdef'), 9)
self.assertEqual(stream.read(6), b'1234\na') self.assertEqual(stream.read(6), b'1234\na')
self.assertEqual(stream.read(2), b'bc') self.assertEqual(stream.read(2), b'bc')
self.assertEqual(stream.read(2), b'd') self.assertEqual(stream.read(2), b'd')
@ -266,7 +266,7 @@ class RequestsTests(unittest.TestCase):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(request.read(), b'name=value') self.assertEqual(request.read(), b'name=value')
def test_read_after_value(self): def test_read_after_value(self):
@ -277,7 +277,7 @@ class RequestsTests(unittest.TestCase):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(request.POST, {'name': ['value']}) self.assertEqual(request.POST, {'name': ['value']})
self.assertEqual(request.body, b'name=value') self.assertEqual(request.body, b'name=value')
self.assertEqual(request.read(), b'name=value') self.assertEqual(request.read(), b'name=value')
@ -290,7 +290,7 @@ class RequestsTests(unittest.TestCase):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(request.read(2), b'na') self.assertEqual(request.read(2), b'na')
self.assertRaises(Exception, lambda: request.body) self.assertRaises(Exception, lambda: request.body)
self.assertEqual(request.POST, {}) self.assertEqual(request.POST, {})
@ -312,7 +312,7 @@ class RequestsTests(unittest.TestCase):
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_TYPE': 'multipart/form-data; boundary=boundary', 'CONTENT_TYPE': 'multipart/form-data; boundary=boundary',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(request.POST, {'name': ['value']}) self.assertEqual(request.POST, {'name': ['value']})
self.assertRaises(Exception, lambda: request.body) self.assertRaises(Exception, lambda: request.body)
@ -334,14 +334,14 @@ class RequestsTests(unittest.TestCase):
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_TYPE': 'multipart/form-data; boundary=boundary', 'CONTENT_TYPE': 'multipart/form-data; boundary=boundary',
'CONTENT_LENGTH': 0, 'CONTENT_LENGTH': 0,
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(request.POST, {}) self.assertEqual(request.POST, {})
def test_read_by_lines(self): def test_read_by_lines(self):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
self.assertEqual(list(request), [b'name=value']) self.assertEqual(list(request), [b'name=value'])
def test_POST_after_body_read(self): def test_POST_after_body_read(self):
@ -351,7 +351,7 @@ class RequestsTests(unittest.TestCase):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
raw_data = request.body raw_data = request.body
self.assertEqual(request.POST, {'name': ['value']}) self.assertEqual(request.POST, {'name': ['value']})
@ -363,7 +363,7 @@ class RequestsTests(unittest.TestCase):
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
raw_data = request.body raw_data = request.body
self.assertEqual(request.read(1), b'n') self.assertEqual(request.read(1), b'n')
self.assertEqual(request.POST, {'name': ['value']}) self.assertEqual(request.POST, {'name': ['value']})
@ -383,7 +383,7 @@ class RequestsTests(unittest.TestCase):
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_TYPE': 'multipart/form-data; boundary=boundary', 'CONTENT_TYPE': 'multipart/form-data; boundary=boundary',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload)}) 'wsgi.input': BytesIO(payload)})
raw_data = request.body raw_data = request.body
# Consume enough data to mess up the parsing: # Consume enough data to mess up the parsing:
self.assertEqual(request.read(13), b'--boundary\r\nC') self.assertEqual(request.read(13), b'--boundary\r\nC')
@ -397,7 +397,7 @@ class RequestsTests(unittest.TestCase):
request = WSGIRequest({ request = WSGIRequest({
'REQUEST_METHOD': 'POST', 'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': StringIO(payload) 'wsgi.input': BytesIO(payload)
}) })
with warnings.catch_warnings(record=True): with warnings.catch_warnings(record=True):
@ -408,14 +408,14 @@ class RequestsTests(unittest.TestCase):
If wsgi.input.read() raises an exception while trying to read() the If wsgi.input.read() raises an exception while trying to read() the
POST, the exception should be identifiable (not a generic IOError). POST, the exception should be identifiable (not a generic IOError).
""" """
class ExplodingStringIO(StringIO): class ExplodingBytesIO(BytesIO):
def read(self, len=0): def read(self, len=0):
raise IOError("kaboom!") raise IOError("kaboom!")
payload = b'name=value' payload = b'name=value'
request = WSGIRequest({'REQUEST_METHOD': 'POST', request = WSGIRequest({'REQUEST_METHOD': 'POST',
'CONTENT_LENGTH': len(payload), 'CONTENT_LENGTH': len(payload),
'wsgi.input': ExplodingStringIO(payload)}) 'wsgi.input': ExplodingBytesIO(payload)})
with warnings.catch_warnings(record=True) as w: with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always") warnings.simplefilter("always")