django-rest-framework/tests/test_files.py

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2014-09-02 20:41:23 +04:00
# from __future__ import unicode_literals
# from django.test import TestCase
# from django.utils import six
# from rest_framework import serializers
# from rest_framework.compat import BytesIO
# import datetime
# class UploadedFile(object):
# def __init__(self, file=None, created=None):
# self.file = file
# self.created = created or datetime.datetime.now()
# class UploadedFileSerializer(serializers.Serializer):
# file = serializers.FileField(required=False)
# created = serializers.DateTimeField()
# def restore_object(self, attrs, instance=None):
# if instance:
# instance.file = attrs['file']
# instance.created = attrs['created']
# return instance
# return UploadedFile(**attrs)
# class FileSerializerTests(TestCase):
# def test_create(self):
# now = datetime.datetime.now()
# file = BytesIO(six.b('stuff'))
# file.name = 'stuff.txt'
# file.size = len(file.getvalue())
# serializer = UploadedFileSerializer(data={'created': now}, files={'file': file})
# uploaded_file = UploadedFile(file=file, created=now)
# self.assertTrue(serializer.is_valid())
# self.assertEqual(serializer.object.created, uploaded_file.created)
# self.assertEqual(serializer.object.file, uploaded_file.file)
# self.assertFalse(serializer.object is uploaded_file)
# def test_creation_failure(self):
# """
# Passing files=None should result in an ValidationError
# Regression test for:
# https://github.com/tomchristie/django-rest-framework/issues/542
# """
# now = datetime.datetime.now()
# serializer = UploadedFileSerializer(data={'created': now})
# self.assertTrue(serializer.is_valid())
# self.assertEqual(serializer.object.created, now)
# self.assertIsNone(serializer.object.file)
# def test_remove_with_empty_string(self):
# """
# Passing empty string as data should cause file to be removed
# Test for:
# https://github.com/tomchristie/django-rest-framework/issues/937
# """
# now = datetime.datetime.now()
# file = BytesIO(six.b('stuff'))
# file.name = 'stuff.txt'
# file.size = len(file.getvalue())
# uploaded_file = UploadedFile(file=file, created=now)
# serializer = UploadedFileSerializer(instance=uploaded_file, data={'created': now, 'file': ''})
# self.assertTrue(serializer.is_valid())
# self.assertEqual(serializer.object.created, uploaded_file.created)
# self.assertIsNone(serializer.object.file)
# def test_validation_error_with_non_file(self):
# """
# Passing non-files should raise a validation error.
# """
# now = datetime.datetime.now()
# errmsg = 'No file was submitted. Check the encoding type on the form.'
# serializer = UploadedFileSerializer(data={'created': now, 'file': 'abc'})
# self.assertFalse(serializer.is_valid())
# self.assertEqual(serializer.errors, {'file': [errmsg]})
# def test_validation_with_no_data(self):
# """
# Validation should still function when no data dictionary is provided.
# """
# uploaded_file = BytesIO(six.b('stuff'))
# uploaded_file.name = 'stuff.txt'
# uploaded_file.size = len(uploaded_file.getvalue())
# serializer = UploadedFileSerializer(files={'file': uploaded_file})
# self.assertFalse(serializer.is_valid())