django-rest-framework/tests/test_parsers.py
2015-06-25 16:55:51 -04:00

106 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django import forms
from django.core.files.uploadhandler import MemoryFileUploadHandler
from django.test import TestCase
from django.utils.six.moves import StringIO
from rest_framework.exceptions import ParseError
from rest_framework.parsers import FileUploadParser, FormParser
class Form(forms.Form):
field1 = forms.CharField(max_length=3)
field2 = forms.CharField()
class TestFormParser(TestCase):
def setUp(self):
self.string = "field1=abc&field2=defghijk"
def test_parse(self):
""" Make sure the `QueryDict` works OK """
parser = FormParser()
stream = StringIO(self.string)
data = parser.parse(stream)
self.assertEqual(Form(data).is_valid(), True)
class TestFileUploadParser(TestCase):
def setUp(self):
class MockRequest(object):
pass
from io import BytesIO
self.stream = BytesIO(
"Test text file".encode('utf-8')
)
request = MockRequest()
request.upload_handlers = (MemoryFileUploadHandler(),)
request.META = {
'HTTP_CONTENT_DISPOSITION': 'Content-Disposition: inline; filename=file.txt',
'HTTP_CONTENT_LENGTH': 14,
}
self.parser_context = {'request': request, 'kwargs': {}}
def test_parse(self):
"""
Parse raw file upload.
"""
parser = FileUploadParser()
self.stream.seek(0)
data_and_files = parser.parse(self.stream, None, self.parser_context)
file_obj = data_and_files.files['file']
self.assertEqual(file_obj._size, 14)
def test_parse_missing_filename(self):
"""
Parse raw file upload when filename is missing.
"""
parser = FileUploadParser()
self.stream.seek(0)
self.parser_context['request'].META['HTTP_CONTENT_DISPOSITION'] = ''
with self.assertRaises(ParseError):
parser.parse(self.stream, None, self.parser_context)
def test_parse_missing_filename_multiple_upload_handlers(self):
"""
Parse raw file upload with multiple handlers when filename is missing.
Regression test for #2109.
"""
parser = FileUploadParser()
self.stream.seek(0)
self.parser_context['request'].upload_handlers = (
MemoryFileUploadHandler(),
MemoryFileUploadHandler()
)
self.parser_context['request'].META['HTTP_CONTENT_DISPOSITION'] = ''
with self.assertRaises(ParseError):
parser.parse(self.stream, None, self.parser_context)
def test_get_filename(self):
parser = FileUploadParser()
filename = parser.get_filename(self.stream, None, self.parser_context)
self.assertEqual(filename, 'file.txt')
def test_get_encoded_filename(self):
parser = FileUploadParser()
self.__replace_content_disposition('inline; filename*=utf-8\'\'ÀĥƦ.txt')
filename = parser.get_filename(self.stream, None, self.parser_context)
self.assertEqual(filename, 'ÀĥƦ.txt')
self.__replace_content_disposition('inline; filename=fallback.txt; filename*=utf-8\'\'ÀĥƦ.txt')
filename = parser.get_filename(self.stream, None, self.parser_context)
self.assertEqual(filename, 'ÀĥƦ.txt')
self.__replace_content_disposition('inline; filename=fallback.txt; filename*=utf-8\'en-us\'ÀĥƦ.txt')
filename = parser.get_filename(self.stream, None, self.parser_context)
self.assertEqual(filename, 'ÀĥƦ.txt')
def __replace_content_disposition(self, disposition):
self.parser_context['request'].META['HTTP_CONTENT_DISPOSITION'] = disposition