mongoengine/tests/fields/test_binary_field.py
Stefan Wójcik b47669403b
Format the codebase using Black (#2109)
This commit:
1. Formats all of our existing code using `black`.
2. Adds a note about using `black` to `CONTRIBUTING.rst`.
3. Runs `black --check` as part of CI (failing builds that aren't properly formatted).
2019-06-27 13:05:54 +02:00

151 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
import uuid
from nose.plugins.skip import SkipTest
import six
from bson import Binary
from mongoengine import *
from tests.utils import MongoDBTestCase
BIN_VALUE = six.b(
"\xa9\xf3\x8d(\xd7\x03\x84\xb4k[\x0f\xe3\xa2\x19\x85p[J\xa3\xd2>\xde\xe6\x87\xb1\x7f\xc6\xe6\xd9r\x18\xf5"
)
class TestBinaryField(MongoDBTestCase):
def test_binary_fields(self):
"""Ensure that binary fields can be stored and retrieved.
"""
class Attachment(Document):
content_type = StringField()
blob = BinaryField()
BLOB = six.b("\xe6\x00\xc4\xff\x07")
MIME_TYPE = "application/octet-stream"
Attachment.drop_collection()
attachment = Attachment(content_type=MIME_TYPE, blob=BLOB)
attachment.save()
attachment_1 = Attachment.objects().first()
self.assertEqual(MIME_TYPE, attachment_1.content_type)
self.assertEqual(BLOB, six.binary_type(attachment_1.blob))
def test_validation_succeeds(self):
"""Ensure that valid values can be assigned to binary fields.
"""
class AttachmentRequired(Document):
blob = BinaryField(required=True)
class AttachmentSizeLimit(Document):
blob = BinaryField(max_bytes=4)
attachment_required = AttachmentRequired()
self.assertRaises(ValidationError, attachment_required.validate)
attachment_required.blob = Binary(six.b("\xe6\x00\xc4\xff\x07"))
attachment_required.validate()
_5_BYTES = six.b("\xe6\x00\xc4\xff\x07")
_4_BYTES = six.b("\xe6\x00\xc4\xff")
self.assertRaises(ValidationError, AttachmentSizeLimit(blob=_5_BYTES).validate)
AttachmentSizeLimit(blob=_4_BYTES).validate()
def test_validation_fails(self):
"""Ensure that invalid values cannot be assigned to binary fields."""
class Attachment(Document):
blob = BinaryField()
for invalid_data in (2, u"Im_a_unicode", ["some_str"]):
self.assertRaises(ValidationError, Attachment(blob=invalid_data).validate)
def test__primary(self):
class Attachment(Document):
id = BinaryField(primary_key=True)
Attachment.drop_collection()
binary_id = uuid.uuid4().bytes
att = Attachment(id=binary_id).save()
self.assertEqual(1, Attachment.objects.count())
self.assertEqual(1, Attachment.objects.filter(id=att.id).count())
att.delete()
self.assertEqual(0, Attachment.objects.count())
def test_primary_filter_by_binary_pk_as_str(self):
raise SkipTest("Querying by id as string is not currently supported")
class Attachment(Document):
id = BinaryField(primary_key=True)
Attachment.drop_collection()
binary_id = uuid.uuid4().bytes
att = Attachment(id=binary_id).save()
self.assertEqual(1, Attachment.objects.filter(id=binary_id).count())
att.delete()
self.assertEqual(0, Attachment.objects.count())
def test_match_querying_with_bytes(self):
class MyDocument(Document):
bin_field = BinaryField()
MyDocument.drop_collection()
doc = MyDocument(bin_field=BIN_VALUE).save()
matched_doc = MyDocument.objects(bin_field=BIN_VALUE).first()
self.assertEqual(matched_doc.id, doc.id)
def test_match_querying_with_binary(self):
class MyDocument(Document):
bin_field = BinaryField()
MyDocument.drop_collection()
doc = MyDocument(bin_field=BIN_VALUE).save()
matched_doc = MyDocument.objects(bin_field=Binary(BIN_VALUE)).first()
self.assertEqual(matched_doc.id, doc.id)
def test_modify_operation__set(self):
"""Ensures no regression of bug #1127"""
class MyDocument(Document):
some_field = StringField()
bin_field = BinaryField()
MyDocument.drop_collection()
doc = MyDocument.objects(some_field="test").modify(
upsert=True, new=True, set__bin_field=BIN_VALUE
)
self.assertEqual(doc.some_field, "test")
if six.PY3:
self.assertEqual(doc.bin_field, BIN_VALUE)
else:
self.assertEqual(doc.bin_field, Binary(BIN_VALUE))
def test_update_one(self):
"""Ensures no regression of bug #1127"""
class MyDocument(Document):
bin_field = BinaryField()
MyDocument.drop_collection()
bin_data = six.b("\xe6\x00\xc4\xff\x07")
doc = MyDocument(bin_field=bin_data).save()
n_updated = MyDocument.objects(bin_field=bin_data).update_one(
bin_field=BIN_VALUE
)
self.assertEqual(n_updated, 1)
fetched = MyDocument.objects.with_id(doc.id)
if six.PY3:
self.assertEqual(fetched.bin_field, BIN_VALUE)
else:
self.assertEqual(fetched.bin_field, Binary(BIN_VALUE))