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# -*- coding: utf-8 -*-
from .utils import BaseParserTest
import multipart
class TestFormParser(BaseParserTest):
def test_is_form_request(self):
self.assertTrue(multipart.is_form_request({"CONTENT_TYPE": "multipart/form-data"}))
self.assertTrue(multipart.is_form_request({"CONTENT_TYPE": "Multipart/Form-Data; foo=bar; baz=\"a b c\""}))
self.assertTrue(multipart.is_form_request({"CONTENT_TYPE": "application/x-www-form-urlencoded"}))
self.assertTrue(multipart.is_form_request({"CONTENT_TYPE": "application/x-url-encoded"}))
self.assertFalse(multipart.is_form_request({"CONTENT_TYPE": "application/x-form"}))
self.assertFalse(multipart.is_form_request({}))
def test_multipart(self):
self.write_field("file1", "abc", filename="random.png", content_type="image/png")
self.write_field("text1", "abc",)
self.write_end()
forms, files = self.parse_form_data()
self.assertEqual(forms['text1'], 'abc')
self.assertEqual(files['file1'].file.read(), b'abc')
self.assertEqual(files['file1'].filename, 'random.png')
self.assertEqual(files['file1'].name, 'file1')
self.assertEqual(files['file1'].content_type, 'image/png')
def test_empty(self):
self.write_end()
forms, files = self.parse_form_data()
self.assertEqual(0, len(forms))
self.assertEqual(0, len(files))
def test_urlencoded(self):
for ctype in ('application/x-www-form-urlencoded', 'application/x-url-encoded'):
self.reset().write('a=b&c=d')
self.environ['CONTENT_TYPE'] = ctype
forms, files = self.parse_form_data()
self.assertEqual(forms['a'], 'b')
self.assertEqual(forms['c'], 'd')
def test_urlencoded_latin1(self):
for ctype in ('application/x-www-form-urlencoded', 'application/x-url-encoded'):
self.reset().write(b'a=\xe0\xe1&e=%E8%E9')
self.environ['CONTENT_TYPE'] = ctype
forms, files = self.parse_form_data(charset='iso-8859-1')
self.assertEqual(forms['a'], 'àá')
self.assertEqual(forms['e'], 'èé')
def test_urlencoded_utf8(self):
for ctype in ('application/x-www-form-urlencoded', 'application/x-url-encoded'):
self.reset().write(b'a=\xc6\x80\xe2\x99\xad&e=%E1%B8%9F%E2%99%AE')
self.environ['CONTENT_TYPE'] = ctype
forms, files = self.parse_form_data()
self.assertEqual(forms['a'], 'ƀ♭')
self.assertEqual(forms['e'], 'ḟ♮')
def test_empty(self):
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_wrong_method(self):
self.environ['REQUEST_METHOD'] = 'GET'
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_missing_content_type(self):
self.environ['CONTENT_TYPE'] = None
self.parse_form_data(strict=False)
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_unsupported_content_type(self):
self.environ['CONTENT_TYPE'] = 'multipart/fantasy'
self.parse_form_data(strict=False)
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_missing_boundary(self):
self.environ['CONTENT_TYPE'] = 'multipart/form-data'
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_invalid_content_length(self):
self.environ['CONTENT_LENGTH'] = ''
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
self.environ['CONTENT_LENGTH'] = 'notanumber'
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_invalid_environ(self):
self.environ['wsgi.input'] = None
self.parse_form_data(strict=False)
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(strict=True)
def test_big_urlencoded_detect_early(self):
self.environ['CONTENT_TYPE'] = 'application/x-www-form-urlencoded'
self.environ['CONTENT_LENGTH'] = 1024+1
self.write('a=b')
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(mem_limit=1024, strict=True)
def test_big_urlencoded_detect_late(self):
self.environ['CONTENT_TYPE'] = 'application/x-www-form-urlencoded'
self.write('a='+'b'*1024)
with self.assertRaises(multipart.MultipartError):
self.parse_form_data(mem_limit=1024, strict=True)
def test_content_length(self):
self.write('a=b&c=ddd')
self.environ['CONTENT_TYPE'] = 'application/x-www-form-urlencoded'
self.environ['CONTENT_LENGTH'] = '7'
# Obey Content-Length, do not overread
forms, files = self.parse_form_data()
self.assertEqual(forms["c"], "d")
# Detect short inputs
with self.assertMultipartError("Unexpected end of data stream"):
self.environ['CONTENT_LENGTH'] = '10'
self.parse_form_data(strict=True)
def test_close_on_error(self):
self.write_field("file1", 'x'*1024, filename="foo.bin")
self.write_field("file2", 'x'*1025, filename="foo.bin")
# self.write_end() <-- bad multipart
# In case of an error, all parts parsed up until then should be closed
# Can't really be tested here, but will show up in coverace
with self.assertMultipartError("Unexpected end of multipart stream"):
self.parse_form_data(strict=True)
def test_ignore_errors(self):
self.write_field("file1", 'x'*1024, filename="foo.bin")
# self.write_end() <-- bad multipart
# Strict mode: throw by default
with self.assertMultipartError("Unexpected end of multipart stream"):
self.parse_form_data(strict=True)
self.parse_form_data(strict=True, ignore_errors=True)
# Non-Strict mode: Ignore by default
self.parse_form_data(strict=False)
with self.assertMultipartError("Unexpected end of multipart stream"):
self.parse_form_data(strict=False, ignore_errors=False)
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