mongo-python-driver/test/test_gridfs.py

220 lines
6.6 KiB
Python

# Copyright 2009 10gen, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for the gridfs package.
"""
import unittest
import threading
import sys
sys.path[0:0] = [""]
import gridfs
from test_connection import get_connection
class JustWrite(threading.Thread):
def __init__(self, fs):
threading.Thread.__init__(self)
self.fs = fs
def run(self):
for _ in range(10):
file = self.fs.open("test", "w")
file.write("hello")
file.close()
class JustRead(threading.Thread):
def __init__(self, fs):
threading.Thread.__init__(self)
self.fs = fs
def run(self):
for _ in range(10):
file = self.fs.open("test")
assert file.read() == "hello"
file.close()
class TestGridfs(unittest.TestCase):
def setUp(self):
self.db = get_connection().pymongo_test
self.db.drop_collection("fs.files")
self.db.drop_collection("fs.chunks")
self.db.drop_collection("pymongo_test.files")
self.db.drop_collection("pymongo_test.chunks")
self.fs = gridfs.GridFS(self.db)
def test_open(self):
self.assertRaises(IOError, self.fs.open, "my file", "r")
f = self.fs.open("my file", "w")
f.write("hello gridfs world!")
f.close()
g = self.fs.open("my file", "r")
self.assertEqual("hello gridfs world!", g.read())
g.close()
def test_list(self):
self.assertEqual(self.fs.list(), [])
f = self.fs.open("mike", "w")
f.close()
f = self.fs.open("test", "w")
f.close()
f = self.fs.open("hello world", "w")
f.close()
self.assertEqual(["mike", "test", "hello world"], self.fs.list())
def test_remove(self):
self.assertRaises(TypeError, self.fs.remove, 5)
self.assertRaises(TypeError, self.fs.remove, None)
self.assertRaises(TypeError, self.fs.remove, [])
f = self.fs.open("mike", "w")
f.write("hi")
f.close()
f = self.fs.open("test", "w")
f.write("bye")
f.close()
f = self.fs.open("hello world", "w")
f.write("fly")
f.close()
self.assertEqual(["mike", "test", "hello world"], self.fs.list())
self.assertEqual(self.db.fs.files.find().count(), 3)
self.assertEqual(self.db.fs.chunks.find().count(), 3)
self.fs.remove("test")
self.assertEqual(["mike", "hello world"], self.fs.list())
self.assertEqual(self.db.fs.files.find().count(), 2)
self.assertEqual(self.db.fs.chunks.find().count(), 2)
f = self.fs.open("mike")
self.assertEqual(f.read(), "hi")
f.close()
f = self.fs.open("hello world")
self.assertEqual(f.read(), "fly")
f.close()
self.assertRaises(IOError, self.fs.open, "test")
self.fs.remove({})
self.assertEqual([], self.fs.list())
self.assertEqual(self.db.fs.files.find().count(), 0)
self.assertEqual(self.db.fs.chunks.find().count(), 0)
self.assertRaises(IOError, self.fs.open, "test")
self.assertRaises(IOError, self.fs.open, "mike")
self.assertRaises(IOError, self.fs.open, "hello world")
def test_open_alt_coll(self):
f = self.fs.open("my file", "w", "pymongo_test")
f.write("hello gridfs world!")
f.close()
self.assertRaises(IOError, self.fs.open, "my file", "r")
g = self.fs.open("my file", "r", "pymongo_test")
self.assertEqual("hello gridfs world!", g.read())
g.close()
def test_list_alt_coll(self):
f = self.fs.open("mike", "w", "pymongo_test")
f.close()
f = self.fs.open("test", "w", "pymongo_test")
f.close()
f = self.fs.open("hello world", "w", "pymongo_test")
f.close()
self.assertEqual([], self.fs.list())
self.assertEqual(["mike", "test", "hello world"],
self.fs.list("pymongo_test"))
def test_remove_alt_coll(self):
f = self.fs.open("mike", "w", "pymongo_test")
f.write("hi")
f.close()
f = self.fs.open("test", "w", "pymongo_test")
f.write("bye")
f.close()
f = self.fs.open("hello world", "w", "pymongo_test")
f.write("fly")
f.close()
self.fs.remove("test")
self.assertEqual(["mike", "test", "hello world"],
self.fs.list("pymongo_test"))
self.fs.remove("test", "pymongo_test")
self.assertEqual(["mike", "hello world"], self.fs.list("pymongo_test"))
f = self.fs.open("mike", collection="pymongo_test")
self.assertEqual(f.read(), "hi")
f.close()
f = self.fs.open("hello world", collection="pymongo_test")
self.assertEqual(f.read(), "fly")
f.close()
self.fs.remove({}, "pymongo_test")
self.assertEqual([], self.fs.list("pymongo_test"))
self.assertEqual(self.db.pymongo_test.files.find().count(), 0)
self.assertEqual(self.db.pymongo_test.chunks.find().count(), 0)
def test_threaded_reads(self):
f = self.fs.open("test", "w")
f.write("hello")
f.close()
threads = []
for i in range(10):
threads.append(JustRead(self.fs))
threads[i].start()
for i in range(10):
threads[i].join()
def test_threaded_writes(self):
threads = []
for i in range(10):
threads.append(JustWrite(self.fs))
threads[i].start()
for i in range(10):
threads[i].join()
f = self.fs.open("test")
self.assertEqual(f.read(), "hello")
f.close()
# NOTE I do recognize how gross this is. There is no good way to test the
# with statement because it is a syntax error in older python versions.
# One option would be to use eval and skip the test if it is a syntax
# error.
if sys.version_info[:2] == (2, 5):
import gridfs15
test_with_statement = gridfs15.test_with_statement
elif sys.version_info[:3] >= (2, 6, 0):
import gridfs16
test_with_statement = gridfs16.test_with_statement
if __name__ == "__main__":
unittest.main()