9d47f1cd3d
Don't raise UserWarning for helpers and internal calls to commands that do not obey read preference.
464 lines
17 KiB
Python
464 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2009-2014 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 gridfs package.
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"""
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import datetime
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import sys
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import threading
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import time
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import unittest
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import warnings
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sys.path[0:0] = [""]
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import gridfs
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from bson.py3compat import b, StringIO
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from gridfs.errors import (FileExists, NoFile)
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from pymongo.errors import ConnectionFailure
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from pymongo.mongo_client import MongoClient
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from pymongo.read_preferences import ReadPreference
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from test.test_client import get_client
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from test.test_replica_set_client import TestReplicaSetClientBase
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from test.utils import catch_warnings, joinall
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class JustWrite(threading.Thread):
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def __init__(self, fs, n):
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threading.Thread.__init__(self)
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self.fs = fs
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self.n = n
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self.setDaemon(True)
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def run(self):
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for _ in range(self.n):
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file = self.fs.new_file(filename="test")
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file.write(b("hello"))
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file.close()
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class JustRead(threading.Thread):
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def __init__(self, fs, n, results):
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threading.Thread.__init__(self)
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self.fs = fs
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self.n = n
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self.results = results
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self.setDaemon(True)
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def run(self):
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for _ in range(self.n):
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file = self.fs.get("test")
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data = file.read()
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self.results.append(data)
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assert data == b("hello")
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class TestGridfs(unittest.TestCase):
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def setUp(self):
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self.db = get_client().pymongo_test
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self.db.drop_collection("fs.files")
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self.db.drop_collection("fs.chunks")
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self.db.drop_collection("alt.files")
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self.db.drop_collection("alt.chunks")
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self.fs = gridfs.GridFS(self.db)
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self.alt = gridfs.GridFS(self.db, "alt")
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def tearDown(self):
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self.db = self.fs = self.alt = None
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def test_gridfs(self):
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self.assertRaises(TypeError, gridfs.GridFS, "foo")
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self.assertRaises(TypeError, gridfs.GridFS, self.db, 5)
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def test_basic(self):
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oid = self.fs.put(b("hello world"))
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self.assertEqual(b("hello world"), self.fs.get(oid).read())
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self.assertEqual(1, self.db.fs.files.count())
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self.assertEqual(1, self.db.fs.chunks.count())
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self.fs.delete(oid)
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self.assertRaises(NoFile, self.fs.get, oid)
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self.assertEqual(0, self.db.fs.files.count())
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self.assertEqual(0, self.db.fs.chunks.count())
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self.assertRaises(NoFile, self.fs.get, "foo")
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oid = self.fs.put(b("hello world"), _id="foo")
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self.assertEqual("foo", oid)
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self.assertEqual(b("hello world"), self.fs.get("foo").read())
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def test_list(self):
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self.assertEqual([], self.fs.list())
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self.fs.put(b("hello world"))
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self.assertEqual([], self.fs.list())
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# PYTHON-598: in server versions before 2.5.x, creating an index on
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# filename, uploadDate causes list() to include None.
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self.fs.get_last_version()
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self.assertEqual([], self.fs.list())
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self.fs.put(b(""), filename="mike")
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self.fs.put(b("foo"), filename="test")
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self.fs.put(b(""), filename="hello world")
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self.assertEqual(set(["mike", "test", "hello world"]),
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set(self.fs.list()))
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def test_empty_file(self):
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oid = self.fs.put(b(""))
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self.assertEqual(b(""), self.fs.get(oid).read())
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self.assertEqual(1, self.db.fs.files.count())
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self.assertEqual(0, self.db.fs.chunks.count())
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raw = self.db.fs.files.find_one()
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self.assertEqual(0, raw["length"])
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self.assertEqual(oid, raw["_id"])
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self.assertTrue(isinstance(raw["uploadDate"], datetime.datetime))
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self.assertEqual(255 * 1024, raw["chunkSize"])
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self.assertTrue(isinstance(raw["md5"], basestring))
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def test_alt_collection(self):
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oid = self.alt.put(b("hello world"))
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self.assertEqual(b("hello world"), self.alt.get(oid).read())
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self.assertEqual(1, self.db.alt.files.count())
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self.assertEqual(1, self.db.alt.chunks.count())
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self.alt.delete(oid)
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self.assertRaises(NoFile, self.alt.get, oid)
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self.assertEqual(0, self.db.alt.files.count())
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self.assertEqual(0, self.db.alt.chunks.count())
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self.assertRaises(NoFile, self.alt.get, "foo")
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oid = self.alt.put(b("hello world"), _id="foo")
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self.assertEqual("foo", oid)
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self.assertEqual(b("hello world"), self.alt.get("foo").read())
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self.alt.put(b(""), filename="mike")
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self.alt.put(b("foo"), filename="test")
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self.alt.put(b(""), filename="hello world")
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self.assertEqual(set(["mike", "test", "hello world"]),
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set(self.alt.list()))
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def test_threaded_reads(self):
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self.fs.put(b("hello"), _id="test")
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threads = []
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results = []
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for i in range(10):
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threads.append(JustRead(self.fs, 10, results))
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threads[i].start()
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joinall(threads)
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self.assertEqual(
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100 * [b('hello')],
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results
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)
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def test_threaded_writes(self):
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threads = []
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for i in range(10):
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threads.append(JustWrite(self.fs, 10))
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threads[i].start()
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joinall(threads)
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f = self.fs.get_last_version("test")
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self.assertEqual(f.read(), b("hello"))
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# Should have created 100 versions of 'test' file
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self.assertEqual(
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100,
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self.db.fs.files.find({'filename':'test'}).count()
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)
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def test_get_last_version(self):
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one = self.fs.put(b("foo"), filename="test")
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time.sleep(0.01)
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two = self.fs.new_file(filename="test")
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two.write(b("bar"))
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two.close()
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time.sleep(0.01)
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two = two._id
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three = self.fs.put(b("baz"), filename="test")
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self.assertEqual(b("baz"), self.fs.get_last_version("test").read())
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self.fs.delete(three)
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self.assertEqual(b("bar"), self.fs.get_last_version("test").read())
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self.fs.delete(two)
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self.assertEqual(b("foo"), self.fs.get_last_version("test").read())
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self.fs.delete(one)
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self.assertRaises(NoFile, self.fs.get_last_version, "test")
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def test_get_last_version_with_metadata(self):
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one = self.fs.put(b("foo"), filename="test", author="author")
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time.sleep(0.01)
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two = self.fs.put(b("bar"), filename="test", author="author")
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self.assertEqual(b("bar"), self.fs.get_last_version(author="author").read())
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self.fs.delete(two)
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self.assertEqual(b("foo"), self.fs.get_last_version(author="author").read())
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self.fs.delete(one)
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one = self.fs.put(b("foo"), filename="test", author="author1")
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time.sleep(0.01)
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two = self.fs.put(b("bar"), filename="test", author="author2")
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self.assertEqual(b("foo"), self.fs.get_last_version(author="author1").read())
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self.assertEqual(b("bar"), self.fs.get_last_version(author="author2").read())
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self.assertEqual(b("bar"), self.fs.get_last_version(filename="test").read())
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self.assertRaises(NoFile, self.fs.get_last_version, author="author3")
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self.assertRaises(NoFile, self.fs.get_last_version, filename="nottest", author="author1")
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self.fs.delete(one)
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self.fs.delete(two)
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def test_get_version(self):
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self.fs.put(b("foo"), filename="test")
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time.sleep(0.01)
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self.fs.put(b("bar"), filename="test")
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time.sleep(0.01)
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self.fs.put(b("baz"), filename="test")
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time.sleep(0.01)
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self.assertEqual(b("foo"), self.fs.get_version("test", 0).read())
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self.assertEqual(b("bar"), self.fs.get_version("test", 1).read())
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self.assertEqual(b("baz"), self.fs.get_version("test", 2).read())
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self.assertEqual(b("baz"), self.fs.get_version("test", -1).read())
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self.assertEqual(b("bar"), self.fs.get_version("test", -2).read())
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self.assertEqual(b("foo"), self.fs.get_version("test", -3).read())
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self.assertRaises(NoFile, self.fs.get_version, "test", 3)
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self.assertRaises(NoFile, self.fs.get_version, "test", -4)
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def test_get_version_with_metadata(self):
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one = self.fs.put(b("foo"), filename="test", author="author1")
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time.sleep(0.01)
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two = self.fs.put(b("bar"), filename="test", author="author1")
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time.sleep(0.01)
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three = self.fs.put(b("baz"), filename="test", author="author2")
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self.assertEqual(b("foo"), self.fs.get_version(filename="test", author="author1", version=-2).read())
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self.assertEqual(b("bar"), self.fs.get_version(filename="test", author="author1", version=-1).read())
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self.assertEqual(b("foo"), self.fs.get_version(filename="test", author="author1", version=0).read())
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self.assertEqual(b("bar"), self.fs.get_version(filename="test", author="author1", version=1).read())
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self.assertEqual(b("baz"), self.fs.get_version(filename="test", author="author2", version=0).read())
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self.assertEqual(b("baz"), self.fs.get_version(filename="test", version=-1).read())
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self.assertEqual(b("baz"), self.fs.get_version(filename="test", version=2).read())
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self.assertRaises(NoFile, self.fs.get_version, filename="test", author="author3")
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self.assertRaises(NoFile, self.fs.get_version, filename="test", author="author1", version=2)
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self.fs.delete(one)
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self.fs.delete(two)
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self.fs.delete(three)
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def test_put_filelike(self):
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oid = self.fs.put(StringIO(b("hello world")), chunk_size=1)
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self.assertEqual(11, self.db.fs.chunks.count())
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self.assertEqual(b("hello world"), self.fs.get(oid).read())
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def test_file_exists(self):
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db = get_client(w=1).pymongo_test
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fs = gridfs.GridFS(db)
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oid = fs.put(b("hello"))
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self.assertRaises(FileExists, fs.put, b("world"), _id=oid)
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one = fs.new_file(_id=123)
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one.write(b("some content"))
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one.close()
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two = fs.new_file(_id=123)
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self.assertRaises(FileExists, two.write, b('x' * 262146))
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def test_exists(self):
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oid = self.fs.put(b("hello"))
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self.assertTrue(self.fs.exists(oid))
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self.assertTrue(self.fs.exists({"_id": oid}))
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self.assertTrue(self.fs.exists(_id=oid))
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self.assertFalse(self.fs.exists(filename="mike"))
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self.assertFalse(self.fs.exists("mike"))
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oid = self.fs.put(b("hello"), filename="mike", foo=12)
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self.assertTrue(self.fs.exists(oid))
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self.assertTrue(self.fs.exists({"_id": oid}))
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self.assertTrue(self.fs.exists(_id=oid))
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self.assertTrue(self.fs.exists(filename="mike"))
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self.assertTrue(self.fs.exists({"filename": "mike"}))
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self.assertTrue(self.fs.exists(foo=12))
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self.assertTrue(self.fs.exists({"foo": 12}))
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self.assertTrue(self.fs.exists(foo={"$gt": 11}))
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self.assertTrue(self.fs.exists({"foo": {"$gt": 11}}))
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self.assertFalse(self.fs.exists(foo=13))
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self.assertFalse(self.fs.exists({"foo": 13}))
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self.assertFalse(self.fs.exists(foo={"$gt": 12}))
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self.assertFalse(self.fs.exists({"foo": {"$gt": 12}}))
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def test_put_unicode(self):
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self.assertRaises(TypeError, self.fs.put, u"hello")
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oid = self.fs.put(u"hello", encoding="utf-8")
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self.assertEqual(b("hello"), self.fs.get(oid).read())
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self.assertEqual("utf-8", self.fs.get(oid).encoding)
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oid = self.fs.put(u"aé", encoding="iso-8859-1")
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self.assertEqual(u"aé".encode("iso-8859-1"), self.fs.get(oid).read())
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self.assertEqual("iso-8859-1", self.fs.get(oid).encoding)
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def test_missing_length_iter(self):
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# Test fix that guards against PHP-237
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self.fs.put(b(""), filename="empty")
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doc = self.db.fs.files.find_one({"filename": "empty"})
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doc.pop("length")
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self.db.fs.files.save(doc)
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f = self.fs.get_last_version(filename="empty")
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def iterate_file(grid_file):
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for chunk in grid_file:
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pass
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return True
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self.assertTrue(iterate_file(f))
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def test_request(self):
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c = self.db.connection
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c.start_request()
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n = 5
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for i in range(n):
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file = self.fs.new_file(filename="test")
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file.write(b("hello"))
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file.close()
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c.end_request()
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self.assertEqual(
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n,
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self.db.fs.files.find({'filename':'test'}).count()
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)
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def test_gridfs_request(self):
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self.assertFalse(self.db.connection.in_request())
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self.fs.put(b("hello world"))
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# Request started and ended by put(), we're back to original state
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self.assertFalse(self.db.connection.in_request())
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def test_gridfs_lazy_connect(self):
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client = MongoClient('badhost', _connect=False)
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db = client.db
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self.assertRaises(ConnectionFailure, gridfs.GridFS, db)
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fs = gridfs.GridFS(db, _connect=False)
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f = fs.new_file() # Still no connection.
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self.assertRaises(ConnectionFailure, f.close)
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def test_gridfs_find(self):
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self.fs.put(b("test2"), filename="two")
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time.sleep(0.01)
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self.fs.put(b("test2+"), filename="two")
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time.sleep(0.01)
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self.fs.put(b("test1"), filename="one")
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time.sleep(0.01)
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self.fs.put(b("test2++"), filename="two")
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self.assertEqual(3, self.fs.find({"filename":"two"}).count())
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self.assertEqual(4, self.fs.find().count())
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cursor = self.fs.find(timeout=False).sort("uploadDate", -1).skip(1).limit(2)
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# 2to3 hint...
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gout = cursor.next()
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self.assertEqual(b("test1"), gout.read())
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cursor.rewind()
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gout = cursor.next()
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self.assertEqual(b("test1"), gout.read())
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gout = cursor.next()
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self.assertEqual(b("test2+"), gout.read())
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self.assertRaises(StopIteration, cursor.next)
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cursor.close()
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self.assertRaises(TypeError, self.fs.find, {}, {"_id": True})
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class TestGridfsReplicaSet(TestReplicaSetClientBase):
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def test_gridfs_replica_set(self):
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rsc = self._get_client(
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w=self.w, wtimeout=5000,
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read_preference=ReadPreference.SECONDARY)
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try:
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fs = gridfs.GridFS(rsc.pymongo_test)
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oid = fs.put(b('foo'))
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content = fs.get(oid).read()
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self.assertEqual(b('foo'), content)
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finally:
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rsc.close()
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def test_gridfs_secondary(self):
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primary_host, primary_port = self.primary
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primary_connection = MongoClient(primary_host, primary_port)
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secondary_host, secondary_port = self.secondaries[0]
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ctx = catch_warnings()
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try:
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warnings.simplefilter("ignore", DeprecationWarning)
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for secondary_connection in [
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MongoClient(secondary_host, secondary_port, slave_okay=True),
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MongoClient(secondary_host, secondary_port,
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read_preference=ReadPreference.SECONDARY),
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]:
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primary_connection.pymongo_test.drop_collection("fs.files")
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primary_connection.pymongo_test.drop_collection("fs.chunks")
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# Should detect it's connected to secondary and not attempt to
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# create index
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fs = gridfs.GridFS(secondary_connection.pymongo_test)
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# This won't detect secondary, raises error
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self.assertRaises(ConnectionFailure, fs.put, b('foo'))
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finally:
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ctx.exit()
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def test_gridfs_secondary_lazy(self):
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# Should detect it's connected to secondary and not attempt to
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# create index.
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secondary_host, secondary_port = self.secondaries[0]
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client = MongoClient(
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secondary_host, secondary_port,
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read_preference=ReadPreference.SECONDARY,
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_connect=False)
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# Still no connection.
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fs = gridfs.GridFS(client.test_gridfs_secondary_lazy, _connect=False)
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# Connects, doesn't create index.
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self.assertRaises(NoFile, fs.get_last_version)
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self.assertRaises(ConnectionFailure, fs.put, 'data')
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def tearDown(self):
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rsc = self._get_client()
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rsc.pymongo_test.drop_collection('fs.files')
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rsc.pymongo_test.drop_collection('fs.chunks')
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rsc.close()
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if __name__ == "__main__":
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unittest.main()
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