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