Tests for FileUploadParser

rest_framework/tests/parsers.py

 from __future__ import unicode_literals
 from rest_framework.compat import StringIO
 from django import forms
+from django.core.files.uploadhandler import MemoryFileUploadHandler
 from django.test import TestCase
 from django.utils import unittest
 from rest_framework.compat import etree
-from rest_framework.parsers import FormParser
+from rest_framework.parsers import FormParser, FileUploadParser
 from rest_framework.parsers import XMLParser
 import datetime
 
@@ -82,3 +83,27 @@ class TestXMLParser(TestCase):
         parser = XMLParser()
         data = parser.parse(self._complex_data_input)
         self.assertEqual(data, self._complex_data)
+
+
+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'.encode('utf-8'),
+            'HTTP_CONTENT_LENGTH': 14,
+        }
+        self.parser_context = {'request': request}
+
+    def test_parse(self):
+        """ Make sure the `QueryDict` works OK """
+        parser = FileUploadParser()
+        data_and_files = parser.parse(self.stream, parser_context=self.parser_context)
+        file_obj = data_and_files.files['file']
+        self.assertEqual(file_obj._size, 14)