619 lines
20 KiB
Python
619 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2009-2015 MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for the grid_file module.
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"""
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import datetime
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import sys
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sys.path[0:0] = [""]
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from bson.objectid import ObjectId
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from bson.py3compat import u, StringIO
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from gridfs import GridFS
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from gridfs.grid_file import (DEFAULT_CHUNK_SIZE,
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_SEEK_CUR,
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_SEEK_END,
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GridIn,
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GridOut,
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GridOutCursor)
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from gridfs.errors import NoFile
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from pymongo import MongoClient
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from pymongo.errors import ConfigurationError, ServerSelectionTimeoutError
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from test import (IntegrationTest,
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host,
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port,
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unittest,
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qcheck)
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from test.utils import rs_or_single_client
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class TestGridFileNoConnect(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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client = MongoClient(host, port, connect=False)
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cls.db = client.pymongo_test
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def test_grid_in_custom_opts(self):
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self.assertRaises(TypeError, GridIn, "foo")
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a = GridIn(self.db.fs, _id=5, filename="my_file",
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contentType="text/html", chunkSize=1000, aliases=["foo"],
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metadata={"foo": 1, "bar": 2}, bar=3, baz="hello")
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self.assertEqual(5, a._id)
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self.assertEqual("my_file", a.filename)
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self.assertEqual("my_file", a.name)
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self.assertEqual("text/html", a.content_type)
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self.assertEqual(1000, a.chunk_size)
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self.assertEqual(["foo"], a.aliases)
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self.assertEqual({"foo": 1, "bar": 2}, a.metadata)
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self.assertEqual(3, a.bar)
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self.assertEqual("hello", a.baz)
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self.assertRaises(AttributeError, getattr, a, "mike")
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b = GridIn(self.db.fs,
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content_type="text/html", chunk_size=1000, baz=100)
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self.assertEqual("text/html", b.content_type)
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self.assertEqual(1000, b.chunk_size)
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self.assertEqual(100, b.baz)
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def test_grid_out_cursor_options(self):
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self.assertRaises(TypeError, GridOutCursor.__init__, self.db.fs, {},
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projection={"filename": 1})
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cursor = GridOutCursor(self.db.fs, {})
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cursor_clone = cursor.clone()
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self.assertEqual(cursor_clone.__dict__, cursor.__dict__)
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self.assertRaises(NotImplementedError, cursor.add_option, 0)
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self.assertRaises(NotImplementedError, cursor.remove_option, 0)
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class TestGridFile(IntegrationTest):
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def setUp(self):
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self.db.drop_collection('fs.files')
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self.db.drop_collection('fs.chunks')
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def test_basic(self):
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f = GridIn(self.db.fs, filename="test")
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f.write(b"hello world")
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f.close()
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self.assertEqual(1, self.db.fs.files.find().count())
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self.assertEqual(1, self.db.fs.chunks.find().count())
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"hello world", g.read())
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# make sure it's still there...
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"hello world", g.read())
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f = GridIn(self.db.fs, filename="test")
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f.close()
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self.assertEqual(2, self.db.fs.files.find().count())
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self.assertEqual(1, self.db.fs.chunks.find().count())
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"", g.read())
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# test that reading 0 returns proper type
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self.assertEqual(b"", g.read(0))
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def test_md5(self):
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f = GridIn(self.db.fs)
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f.write(b"hello world\n")
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f.close()
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self.assertEqual("6f5902ac237024bdd0c176cb93063dc4", f.md5)
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def test_alternate_collection(self):
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self.db.alt.files.delete_many({})
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self.db.alt.chunks.delete_many({})
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f = GridIn(self.db.alt)
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f.write(b"hello world")
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f.close()
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self.assertEqual(1, self.db.alt.files.find().count())
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self.assertEqual(1, self.db.alt.chunks.find().count())
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g = GridOut(self.db.alt, f._id)
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self.assertEqual(b"hello world", g.read())
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# test that md5 still works...
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self.assertEqual("5eb63bbbe01eeed093cb22bb8f5acdc3", g.md5)
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def test_grid_in_default_opts(self):
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self.assertRaises(TypeError, GridIn, "foo")
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a = GridIn(self.db.fs)
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self.assertTrue(isinstance(a._id, ObjectId))
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self.assertRaises(AttributeError, setattr, a, "_id", 5)
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self.assertEqual(None, a.filename)
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self.assertEqual(None, a.name)
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a.filename = "my_file"
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self.assertEqual("my_file", a.filename)
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self.assertEqual("my_file", a.name)
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self.assertEqual(None, a.content_type)
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a.content_type = "text/html"
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self.assertEqual("text/html", a.content_type)
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self.assertRaises(AttributeError, getattr, a, "length")
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self.assertRaises(AttributeError, setattr, a, "length", 5)
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self.assertEqual(255 * 1024, a.chunk_size)
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self.assertRaises(AttributeError, setattr, a, "chunk_size", 5)
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self.assertRaises(AttributeError, getattr, a, "upload_date")
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self.assertRaises(AttributeError, setattr, a, "upload_date", 5)
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self.assertRaises(AttributeError, getattr, a, "aliases")
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a.aliases = ["foo"]
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self.assertEqual(["foo"], a.aliases)
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self.assertRaises(AttributeError, getattr, a, "metadata")
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a.metadata = {"foo": 1}
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self.assertEqual({"foo": 1}, a.metadata)
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self.assertRaises(AttributeError, setattr, a, "md5", 5)
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a.close()
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a.forty_two = 42
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self.assertEqual(42, a.forty_two)
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self.assertTrue(isinstance(a._id, ObjectId))
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self.assertRaises(AttributeError, setattr, a, "_id", 5)
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self.assertEqual("my_file", a.filename)
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self.assertEqual("my_file", a.name)
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self.assertEqual("text/html", a.content_type)
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self.assertEqual(0, a.length)
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self.assertRaises(AttributeError, setattr, a, "length", 5)
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self.assertEqual(255 * 1024, a.chunk_size)
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self.assertRaises(AttributeError, setattr, a, "chunk_size", 5)
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self.assertTrue(isinstance(a.upload_date, datetime.datetime))
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self.assertRaises(AttributeError, setattr, a, "upload_date", 5)
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self.assertEqual(["foo"], a.aliases)
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self.assertEqual({"foo": 1}, a.metadata)
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self.assertEqual("d41d8cd98f00b204e9800998ecf8427e", a.md5)
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self.assertRaises(AttributeError, setattr, a, "md5", 5)
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# Make sure custom attributes that were set both before and after
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# a.close() are reflected in b. PYTHON-411.
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b = GridFS(self.db).get_last_version(filename=a.filename)
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self.assertEqual(a.metadata, b.metadata)
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self.assertEqual(a.aliases, b.aliases)
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self.assertEqual(a.forty_two, b.forty_two)
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def test_grid_out_default_opts(self):
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self.assertRaises(TypeError, GridOut, "foo")
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gout = GridOut(self.db.fs, 5)
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with self.assertRaises(NoFile):
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gout.name
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a = GridIn(self.db.fs)
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a.close()
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b = GridOut(self.db.fs, a._id)
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self.assertEqual(a._id, b._id)
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self.assertEqual(0, b.length)
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self.assertEqual(None, b.content_type)
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self.assertEqual(None, b.name)
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self.assertEqual(None, b.filename)
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self.assertEqual(255 * 1024, b.chunk_size)
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self.assertTrue(isinstance(b.upload_date, datetime.datetime))
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self.assertEqual(None, b.aliases)
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self.assertEqual(None, b.metadata)
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self.assertEqual("d41d8cd98f00b204e9800998ecf8427e", b.md5)
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for attr in ["_id", "name", "content_type", "length", "chunk_size",
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"upload_date", "aliases", "metadata", "md5"]:
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self.assertRaises(AttributeError, setattr, b, attr, 5)
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def test_grid_out_custom_opts(self):
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one = GridIn(self.db.fs, _id=5, filename="my_file",
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contentType="text/html", chunkSize=1000, aliases=["foo"],
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metadata={"foo": 1, "bar": 2}, bar=3, baz="hello")
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one.write(b"hello world")
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one.close()
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two = GridOut(self.db.fs, 5)
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self.assertEqual("my_file", two.name)
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self.assertEqual("my_file", two.filename)
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self.assertEqual(5, two._id)
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self.assertEqual(11, two.length)
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self.assertEqual("text/html", two.content_type)
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self.assertEqual(1000, two.chunk_size)
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self.assertTrue(isinstance(two.upload_date, datetime.datetime))
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self.assertEqual(["foo"], two.aliases)
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self.assertEqual({"foo": 1, "bar": 2}, two.metadata)
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self.assertEqual(3, two.bar)
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self.assertEqual("5eb63bbbe01eeed093cb22bb8f5acdc3", two.md5)
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for attr in ["_id", "name", "content_type", "length", "chunk_size",
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"upload_date", "aliases", "metadata", "md5"]:
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self.assertRaises(AttributeError, setattr, two, attr, 5)
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def test_grid_out_file_document(self):
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one = GridIn(self.db.fs)
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one.write(b"foo bar")
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one.close()
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two = GridOut(self.db.fs, file_document=self.db.fs.files.find_one())
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self.assertEqual(b"foo bar", two.read())
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three = GridOut(self.db.fs, 5,
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file_document=self.db.fs.files.find_one())
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self.assertEqual(b"foo bar", three.read())
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four = GridOut(self.db.fs, file_document={})
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with self.assertRaises(NoFile):
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four.name
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def test_write_file_like(self):
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one = GridIn(self.db.fs)
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one.write(b"hello world")
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one.close()
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two = GridOut(self.db.fs, one._id)
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three = GridIn(self.db.fs)
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three.write(two)
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three.close()
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four = GridOut(self.db.fs, three._id)
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self.assertEqual(b"hello world", four.read())
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five = GridIn(self.db.fs, chunk_size=2)
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five.write(b"hello")
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buffer = StringIO(b" world")
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five.write(buffer)
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five.write(b" and mongodb")
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five.close()
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self.assertEqual(b"hello world and mongodb",
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GridOut(self.db.fs, five._id).read())
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def test_write_lines(self):
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a = GridIn(self.db.fs)
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a.writelines([b"hello ", b"world"])
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a.close()
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self.assertEqual(b"hello world", GridOut(self.db.fs, a._id).read())
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def test_close(self):
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f = GridIn(self.db.fs)
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f.close()
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self.assertRaises(ValueError, f.write, "test")
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f.close()
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def test_multi_chunk_file(self):
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random_string = b'a' * (DEFAULT_CHUNK_SIZE + 1000)
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f = GridIn(self.db.fs)
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f.write(random_string)
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f.close()
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self.assertEqual(1, self.db.fs.files.find().count())
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self.assertEqual(2, self.db.fs.chunks.find().count())
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(random_string, g.read())
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def test_small_chunks(self):
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self.files = 0
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self.chunks = 0
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def helper(data):
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f = GridIn(self.db.fs, chunkSize=1)
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f.write(data)
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f.close()
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self.files += 1
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self.chunks += len(data)
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self.assertEqual(self.files, self.db.fs.files.find().count())
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self.assertEqual(self.chunks, self.db.fs.chunks.find().count())
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(data, g.read())
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(data, g.read(10) + g.read(10))
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return True
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qcheck.check_unittest(self, helper,
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qcheck.gen_string(qcheck.gen_range(0, 20)))
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def test_seek(self):
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f = GridIn(self.db.fs, chunkSize=3)
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f.write(b"hello world")
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"hello world", g.read())
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g.seek(0)
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self.assertEqual(b"hello world", g.read())
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g.seek(1)
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self.assertEqual(b"ello world", g.read())
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self.assertRaises(IOError, g.seek, -1)
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g.seek(-3, _SEEK_END)
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self.assertEqual(b"rld", g.read())
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g.seek(0, _SEEK_END)
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self.assertEqual(b"", g.read())
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self.assertRaises(IOError, g.seek, -100, _SEEK_END)
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g.seek(3)
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g.seek(3, _SEEK_CUR)
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self.assertEqual(b"world", g.read())
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self.assertRaises(IOError, g.seek, -100, _SEEK_CUR)
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def test_tell(self):
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f = GridIn(self.db.fs, chunkSize=3)
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f.write(b"hello world")
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(0, g.tell())
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g.read(0)
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self.assertEqual(0, g.tell())
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g.read(1)
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self.assertEqual(1, g.tell())
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g.read(2)
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self.assertEqual(3, g.tell())
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g.read()
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self.assertEqual(g.length, g.tell())
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def test_multiple_reads(self):
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f = GridIn(self.db.fs, chunkSize=3)
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f.write(b"hello world")
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"he", g.read(2))
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self.assertEqual(b"ll", g.read(2))
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self.assertEqual(b"o ", g.read(2))
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self.assertEqual(b"wo", g.read(2))
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self.assertEqual(b"rl", g.read(2))
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self.assertEqual(b"d", g.read(2))
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self.assertEqual(b"", g.read(2))
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def test_readline(self):
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f = GridIn(self.db.fs, chunkSize=5)
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f.write((b"""Hello world,
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How are you?
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Hope all is well.
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Bye"""))
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f.close()
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# Try read(), then readline().
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"H", g.read(1))
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self.assertEqual(b"ello world,\n", g.readline())
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self.assertEqual(b"How a", g.readline(5))
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self.assertEqual(b"", g.readline(0))
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self.assertEqual(b"re you?\n", g.readline())
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self.assertEqual(b"Hope all is well.\n", g.readline(1000))
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self.assertEqual(b"Bye", g.readline())
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self.assertEqual(b"", g.readline())
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# Try readline() first, then read().
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"He", g.readline(2))
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self.assertEqual(b"l", g.read(1))
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self.assertEqual(b"lo", g.readline(2))
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self.assertEqual(b" world,\n", g.readline())
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# Only readline().
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"H", g.readline(1))
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self.assertEqual(b"e", g.readline(1))
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self.assertEqual(b"llo world,\n", g.readline())
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def test_iterator(self):
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f = GridIn(self.db.fs)
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual([], list(g))
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f = GridIn(self.db.fs)
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f.write(b"hello world")
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual([b"hello world"], list(g))
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self.assertEqual(b"hello", g.read(5))
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self.assertEqual([b"hello world"], list(g))
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self.assertEqual(b" worl", g.read(5))
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f = GridIn(self.db.fs, chunk_size=2)
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f.write(b"hello world")
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f.close()
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g = GridOut(self.db.fs, f._id)
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self.assertEqual([b"he", b"ll", b"o ",
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b"wo", b"rl", b"d"], list(g))
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def test_read_unaligned_buffer_size(self):
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in_data = (b"This is a text that doesn't "
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b"quite fit in a single 16-byte chunk.")
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f = GridIn(self.db.fs, chunkSize=16)
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f.write(in_data)
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f.close()
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g = GridOut(self.db.fs, f._id)
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out_data = b''
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while 1:
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s = g.read(13)
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if not s:
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break
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out_data += s
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self.assertEqual(in_data, out_data)
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def test_readchunk(self):
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in_data = b'a' * 10
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f = GridIn(self.db.fs, chunkSize=3)
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f.write(in_data)
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f.close()
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|
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(3, len(g.readchunk()))
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|
|
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self.assertEqual(2, len(g.read(2)))
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self.assertEqual(1, len(g.readchunk()))
|
|
|
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self.assertEqual(3, len(g.read(3)))
|
|
|
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self.assertEqual(1, len(g.readchunk()))
|
|
|
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self.assertEqual(0, len(g.readchunk()))
|
|
|
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def test_write_unicode(self):
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f = GridIn(self.db.fs)
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self.assertRaises(TypeError, f.write, u("foo"))
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|
|
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f = GridIn(self.db.fs, encoding="utf-8")
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|
f.write(u("foo"))
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|
f.close()
|
|
|
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g = GridOut(self.db.fs, f._id)
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self.assertEqual(b"foo", g.read())
|
|
|
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f = GridIn(self.db.fs, encoding="iso-8859-1")
|
|
f.write(u("aé"))
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|
f.close()
|
|
|
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g = GridOut(self.db.fs, f._id)
|
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self.assertEqual(u("aé").encode("iso-8859-1"), g.read())
|
|
|
|
def test_set_after_close(self):
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f = GridIn(self.db.fs, _id="foo", bar="baz")
|
|
|
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self.assertEqual("foo", f._id)
|
|
self.assertEqual("baz", f.bar)
|
|
self.assertRaises(AttributeError, getattr, f, "baz")
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|
self.assertRaises(AttributeError, getattr, f, "uploadDate")
|
|
|
|
self.assertRaises(AttributeError, setattr, f, "_id", 5)
|
|
f.bar = "foo"
|
|
f.baz = 5
|
|
|
|
self.assertEqual("foo", f._id)
|
|
self.assertEqual("foo", f.bar)
|
|
self.assertEqual(5, f.baz)
|
|
self.assertRaises(AttributeError, getattr, f, "uploadDate")
|
|
|
|
f.close()
|
|
|
|
self.assertEqual("foo", f._id)
|
|
self.assertEqual("foo", f.bar)
|
|
self.assertEqual(5, f.baz)
|
|
self.assertTrue(f.uploadDate)
|
|
|
|
self.assertRaises(AttributeError, setattr, f, "_id", 5)
|
|
f.bar = "a"
|
|
f.baz = "b"
|
|
self.assertRaises(AttributeError, setattr, f, "upload_date", 5)
|
|
|
|
g = GridOut(self.db.fs, f._id)
|
|
self.assertEqual("a", g.bar)
|
|
self.assertEqual("b", g.baz)
|
|
# Versions 2.0.1 and older saved a _closed field for some reason.
|
|
self.assertRaises(AttributeError, getattr, g, "_closed")
|
|
|
|
def test_context_manager(self):
|
|
contents = b"Imagine this is some important data..."
|
|
|
|
with GridIn(self.db.fs, filename="important") as infile:
|
|
infile.write(contents)
|
|
|
|
with GridOut(self.db.fs, infile._id) as outfile:
|
|
self.assertEqual(contents, outfile.read())
|
|
|
|
def test_prechunked_string(self):
|
|
|
|
def write_me(s, chunk_size):
|
|
buf = StringIO(s)
|
|
infile = GridIn(self.db.fs)
|
|
while True:
|
|
to_write = buf.read(chunk_size)
|
|
if to_write == b'':
|
|
break
|
|
infile.write(to_write)
|
|
infile.close()
|
|
buf.close()
|
|
|
|
outfile = GridOut(self.db.fs, infile._id)
|
|
data = outfile.read()
|
|
self.assertEqual(s, data)
|
|
|
|
s = b'x' * DEFAULT_CHUNK_SIZE * 4
|
|
# Test with default chunk size
|
|
write_me(s, DEFAULT_CHUNK_SIZE)
|
|
# Multiple
|
|
write_me(s, DEFAULT_CHUNK_SIZE * 3)
|
|
# Custom
|
|
write_me(s, 262300)
|
|
|
|
def test_grid_out_lazy_connect(self):
|
|
fs = self.db.fs
|
|
outfile = GridOut(fs, file_id=-1)
|
|
self.assertRaises(NoFile, outfile.read)
|
|
self.assertRaises(NoFile, getattr, outfile, 'filename')
|
|
|
|
infile = GridIn(fs, filename=1)
|
|
infile.close()
|
|
|
|
outfile = GridOut(fs, infile._id)
|
|
outfile.read()
|
|
outfile.filename
|
|
|
|
outfile = GridOut(fs, infile._id)
|
|
outfile.readchunk()
|
|
|
|
def test_grid_in_lazy_connect(self):
|
|
client = MongoClient('badhost', connect=False,
|
|
serverSelectionTimeoutMS=10)
|
|
fs = client.db.fs
|
|
infile = GridIn(fs, file_id=-1, chunk_size=1)
|
|
self.assertRaises(ServerSelectionTimeoutError, infile.write, b'data')
|
|
self.assertRaises(ServerSelectionTimeoutError, infile.close)
|
|
|
|
|
|
def test_unacknowledged(self):
|
|
# w=0 is prohibited.
|
|
with self.assertRaises(ConfigurationError):
|
|
GridIn(rs_or_single_client(w=0).pymongo_test.fs)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|