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https://github.com/zebrajr/pytorch.git
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1e4b4fb4c4
Summary: It looks like there's some locking going on here, and so if the Cursor outlives the DB (or vice-versa), we'll either deadlock or unlock an unlocked mutex. Reviewed By: dzhulgakov Differential Revision: D4224727 fbshipit-source-id: 886401a9f2824f3168fb0b2fd4df6046369e5590
42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from caffe2.python import workspace
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import os
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import tempfile
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import unittest
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class TestDB(unittest.TestCase):
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def setUp(self):
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handle, self.file_name = tempfile.mkstemp()
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os.close(handle)
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self.data = [("key{}".format(i), "value{}".format(i))
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for i in range(1, 10)]
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def testSimple(self):
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db = workspace.C.create_db(
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"minidb", self.file_name, workspace.C.Mode.write)
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for key, value in self.data:
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transaction = db.new_transaction()
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transaction.put(key, value)
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del transaction
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del db # should close DB
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db = workspace.C.create_db(
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"minidb", self.file_name, workspace.C.Mode.read)
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cursor = db.new_cursor()
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data = []
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while cursor.valid():
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data.append((cursor.key(), cursor.value()))
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cursor.next()
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del cursor
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db.close() # test explicit db closer
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self.assertEqual(data, self.data)
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