411 lines
13 KiB
Python
411 lines
13 KiB
Python
# Copyright 2009 10gen, 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 unittest
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import datetime
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import os
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import sys
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sys.path[0:0] = [""]
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import qcheck
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from test_connection import get_connection
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from gridfs.grid_file import GridFile, _SEEK_END, _SEEK_CUR
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class TestGridFile(unittest.TestCase):
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def setUp(self):
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self.db = get_connection().pymongo_test
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def test_basic(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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self.assertEqual(self.db.fs.files.find().count(), 0)
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self.assertEqual(self.db.fs.chunks.find().count(), 0)
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("hello world")
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file.close()
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self.assertEqual(self.db.fs.files.find().count(), 1)
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self.assertEqual(self.db.fs.chunks.find().count(), 1)
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file = GridFile({"filename": "test"}, self.db)
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self.assertEqual(file.read(), "hello world")
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file.close()
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# make sure it's still there...
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file = GridFile({"filename": "test"}, self.db)
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self.assertEqual(file.read(), "hello world")
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file.close()
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file = GridFile({"filename": "test"}, self.db, "w")
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file.close()
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self.assertEqual(self.db.fs.files.find().count(), 1)
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self.assertEqual(self.db.fs.chunks.find().count(), 0)
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file = GridFile({"filename": "test"}, self.db)
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self.assertEqual(file.read(), "")
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file.close()
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def test_md5(self):
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("hello world\n")
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file.close()
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file = GridFile({"filename": "test"}, self.db)
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self.assertEqual(file.md5, "6f5902ac237024bdd0c176cb93063dc4")
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file.close()
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def test_alternate_collection(self):
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self.db.pymongo_test.files.remove({})
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self.db.pymongo_test.chunks.remove({})
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self.assertEqual(self.db.pymongo_test.files.find().count(), 0)
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self.assertEqual(self.db.pymongo_test.chunks.find().count(), 0)
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file = GridFile({"filename": "test"}, self.db, "w",
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collection="pymongo_test")
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file.write("hello world")
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file.close()
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self.assertEqual(self.db.pymongo_test.files.find().count(), 1)
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self.assertEqual(self.db.pymongo_test.chunks.find().count(), 1)
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file = GridFile({"filename": "test"}, self.db,
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collection="pymongo_test")
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self.assertEqual(file.read(), "hello world")
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file.close()
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# test that md5 still works...
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self.assertEqual(file.md5, "5eb63bbbe01eeed093cb22bb8f5acdc3")
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# make sure it's still there...
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file = GridFile({"filename": "test"}, self.db,
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collection="pymongo_test")
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self.assertEqual(file.read(), "hello world")
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file.close()
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file = GridFile({"filename": "test"}, self.db, "w",
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collection="pymongo_test")
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file.close()
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self.assertEqual(self.db.pymongo_test.files.find().count(), 1)
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self.assertEqual(self.db.pymongo_test.chunks.find().count(), 0)
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file = GridFile({"filename": "test"}, self.db,
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collection="pymongo_test")
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self.assertEqual(file.read(), "")
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file.close()
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def test_create_grid_file(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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# just write a blank file so that reads on {} don't fail
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file = GridFile({"filename": "test"}, self.db, "w")
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file.close()
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self.assertRaises(TypeError, GridFile, "hello", self.db)
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self.assertRaises(TypeError, GridFile, None, self.db)
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self.assertRaises(TypeError, GridFile, 5, self.db)
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self.assertRaises(TypeError, GridFile, {}, "hello")
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self.assertRaises(TypeError, GridFile, {}, None)
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self.assertRaises(TypeError, GridFile, {}, 5)
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GridFile({}, self.db).close()
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self.assertRaises(TypeError, GridFile, {}, self.db, None)
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self.assertRaises(TypeError, GridFile, {}, self.db, 5)
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self.assertRaises(TypeError, GridFile, {}, self.db, [])
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self.assertRaises(ValueError, GridFile, {}, self.db, "m")
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self.assertRaises(ValueError, GridFile, {}, self.db, u"m")
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GridFile({}, self.db, "r").close()
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GridFile({}, self.db, u"r").close()
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GridFile({}, self.db, "w").close()
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GridFile({}, self.db, u"w").close()
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self.assertRaises(TypeError, GridFile, {}, self.db, "r", None)
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self.assertRaises(TypeError, GridFile, {}, self.db, "r", 5)
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self.assertRaises(TypeError, GridFile, {}, self.db, "r", [])
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self.assertRaises(IOError, GridFile, {"filename": "mike"}, self.db)
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GridFile({"filename": "test"}, self.db).close()
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def test_properties(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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self.assertEqual(file.mode, "w")
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self.failIf(file.closed)
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file.close()
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self.assert_(file.closed)
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self.assertRaises(IOError, GridFile, {"filename": "mike"}, self.db)
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a = GridFile({"filename": "test"}, self.db)
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self.assertEqual(a.mode, "r")
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self.failIf(a.closed)
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self.assertEqual(a.length, 0)
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self.assertEqual(a.content_type, None)
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self.assertEqual(a.name, "test")
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self.assertEqual(a.chunk_size, 256000)
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self.assert_(isinstance(a.upload_date, datetime.datetime))
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self.assertEqual(a.aliases, None)
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self.assertEqual(a.metadata, None)
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self.assertEqual(a.md5, "d41d8cd98f00b204e9800998ecf8427e")
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a.content_type = "something"
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self.assertEqual(a.content_type, "something")
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def set_length():
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a.length = 10
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self.assertRaises(AttributeError, set_length)
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def set_chunk_size():
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a.chunk_size = 100
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self.assertRaises(AttributeError, set_chunk_size)
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def set_upload_date():
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a.upload_date = datetime.datetime.utcnow()
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self.assertRaises(AttributeError, set_upload_date)
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a.aliases = ["hello", "world"]
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self.assertEqual(a.aliases, ["hello", "world"])
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a.metadata = {"something": "else"}
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self.assertEqual(a.metadata, {"something": "else"})
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def set_name():
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a.name = "hello"
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self.assertRaises(AttributeError, set_name)
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def set_md5():
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a.md5 = "what"
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self.assertRaises(AttributeError, set_md5)
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a.close()
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def test_rename(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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file.close()
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self.assertRaises(IOError, GridFile, {"filename": "mike"}, self.db)
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a = GridFile({"filename": "test"}, self.db)
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a.rename("mike")
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self.assertEqual("mike", a.name)
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a.close()
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self.assertRaises(IOError, GridFile, {"filename": "test"}, self.db)
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GridFile({"filename": "mike"}, self.db).close()
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def test_flush_close(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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file.flush()
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file.close()
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file.close()
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self.assertRaises(ValueError, file.write, "test")
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file = GridFile({}, self.db)
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self.assertEqual(file.read(), "")
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file.close()
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("mike")
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file.flush()
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file.write("test")
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file.flush()
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file.write("huh")
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file.flush()
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file.flush()
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file.close()
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file.close()
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self.assertRaises(ValueError, file.write, "test")
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file = GridFile({}, self.db)
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self.assertEqual(file.read(), "miketesthuh")
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file.close()
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def test_overwrite(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("test")
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file.close()
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("mike")
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file.close()
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f = GridFile({}, self.db)
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self.assertEqual(f.read(), "mike")
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f.close()
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def test_multi_chunk_file(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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random_string = qcheck.gen_string(qcheck.lift(300000))()
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write(random_string)
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file.close()
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self.assertEqual(self.db.fs.files.find().count(), 1)
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self.assertEqual(self.db.fs.chunks.find().count(), 2)
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f = GridFile({}, self.db)
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self.assertEqual(f.read(), random_string)
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f.close()
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def test_small_chunks(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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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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filename = qcheck.gen_printable_string(qcheck.lift(20))()
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f = GridFile({"filename": filename, "chunkSize": 1}, self.db, "w")
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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.db.fs.files.find().count(), self.files)
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self.assertEqual(self.db.fs.chunks.find().count(), self.chunks)
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f = GridFile({"filename": filename}, self.db)
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self.assertEqual(f.read(), data)
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f.close()
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f = GridFile({"filename": filename}, self.db)
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self.assertEqual(f.read(10) + f.read(10), data)
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f.close()
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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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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test", "chunkSize": 3}, self.db, "w")
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file.write("hello world")
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self.assertRaises(ValueError, file.seek, 0)
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file.close()
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file = GridFile({"filename": "test"}, self.db, "r")
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self.assertEqual(file.read(), "hello world")
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file.seek(0)
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self.assertEqual(file.read(), "hello world")
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file.seek(1)
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self.assertEqual(file.read(), "ello world")
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self.assertRaises(IOError, file.seek, -1)
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file.seek(-3, _SEEK_END)
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self.assertEqual(file.read(), "rld")
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file.seek(0, _SEEK_END)
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self.assertEqual(file.read(), "")
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self.assertRaises(IOError, file.seek, -100, _SEEK_END)
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file.seek(3)
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file.seek(3, _SEEK_CUR)
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self.assertEqual(file.read(), "world")
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self.assertRaises(IOError, file.seek, -100, _SEEK_CUR)
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file.close()
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def test_tell(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test", "chunkSize": 3}, self.db, "w")
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file.write("hello world")
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self.assertRaises(ValueError, file.tell)
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file.close()
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file = GridFile({"filename": "test"}, self.db, "r")
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self.assertEqual(file.tell(), 0)
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file.read(0)
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self.assertEqual(file.tell(), 0)
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file.read(1)
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self.assertEqual(file.tell(), 1)
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file.read(2)
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self.assertEqual(file.tell(), 3)
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file.read()
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self.assertEqual(file.tell(), file.length)
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file.close()
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def test_modes(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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self.assertRaises(ValueError, file.read)
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file.write("hello")
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file.close()
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self.assertRaises(ValueError, file.read)
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self.assertRaises(ValueError, file.write, "hello")
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file = GridFile({"filename": "test"}, self.db, "r")
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self.assertRaises(ValueError, file.write, "hello")
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file.read()
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file.close()
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self.assertRaises(ValueError, file.read)
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self.assertRaises(ValueError, file.write, "hello")
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def test_multiple_reads(self):
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self.db.fs.files.remove({})
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self.db.fs.chunks.remove({})
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file = GridFile({"filename": "test"}, self.db, "w")
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file.write("hello world")
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file.close()
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file = GridFile({"filename": "test"}, self.db, "r")
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self.assertEqual(file.read(2), "he")
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self.assertEqual(file.read(2), "ll")
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self.assertEqual(file.read(2), "o ")
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self.assertEqual(file.read(2), "wo")
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self.assertEqual(file.read(2), "rl")
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self.assertEqual(file.read(2), "d")
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self.assertEqual(file.read(2), "")
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file.close()
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def test_spec_with_id(self):
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# This was raising a TypeError at one point - make sure it doesn't
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file = GridFile({"_id": "foobar", "filename": "foobar"}, self.db, "w")
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file.close()
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if __name__ == "__main__":
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unittest.main()
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