diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_bug018.py')
| -rw-r--r-- | src/third_party/wiredtiger/test/suite/test_bug018.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_bug018.py b/src/third_party/wiredtiger/test/suite/test_bug018.py new file mode 100644 index 00000000000..7d20ebcaacb --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_bug018.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python +# +# Public Domain 2014-2017 MongoDB, Inc. +# Public Domain 2008-2014 WiredTiger, Inc. +# +# This is free and unencumbered software released into the public domain. +# +# Anyone is free to copy, modify, publish, use, compile, sell, or +# distribute this software, either in source code form or as a compiled +# binary, for any purpose, commercial or non-commercial, and by any +# means. +# +# In jurisdictions that recognize copyright laws, the author or authors +# of this software dedicate any and all copyright interest in the +# software to the public domain. We make this dedication for the benefit +# of the public at large and to the detriment of our heirs and +# successors. We intend this dedication to be an overt act of +# relinquishment in perpetuity of all present and future rights to this +# software under copyright law. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +from helper import copy_wiredtiger_home +import os +import wiredtiger, wttest + +# test_bug018.py +# JIRA WT-3590: if writing table data fails during close then tables +# that were updated within the same transaction could get out of sync with +# each other. +class test_bug018(wttest.WiredTigerTestCase): + '''Test closing/reopening/recovering tables when writes fail''' + + conn_config = 'log=(enabled)' + + def setUp(self): + # This test uses Linux-specific code so skip on any other system. + if os.name != 'posix' or os.uname()[0] != 'Linux': + self.skipTest('Linux-specific test skipped on ' + os.name) + super(test_bug018, self).setUp() + + def create_table(self, uri): + self.session.create(uri, 'key_format=S,value_format=S') + return self.session.open_cursor(uri) + + def test_bug018(self): + '''Test closing multiple tables''' + basename = 'bug018.' + baseuri = 'file:' + basename + c1 = self.create_table(baseuri + '01.wt') + c2 = self.create_table(baseuri + '02.wt') + + self.session.begin_transaction() + c1['key'] = 'value' + c2['key'] = 'value' + self.session.commit_transaction() + + # Simulate a write failure by closing the file descriptor for the second + # table out from underneath WiredTiger. We do this right before + # closing the connection so that the write error happens during close + # when writing out the final data. Allow table 1 to succeed and force + # an erorr writing out table 2. + # + # This is Linux-specific code to figure out the file descriptor. + for f in os.listdir('/proc/self/fd'): + try: + if os.readlink('/proc/self/fd/' + f).endswith(basename + '02.wt'): + os.close(int(f)) + except OSError: + pass + + # Expect an error and messages, so turn off stderr checking. + with self.expectedStderrPattern(''): + try: + self.close_conn() + except wiredtiger.WiredTigerError: + self.conn = None + + # Make a backup for forensics in case something goes wrong. + backup_dir = 'BACKUP' + copy_wiredtiger_home('.', backup_dir, True) + + # After reopening and running recovery both tables should be in + # sync even though table 1 was successfully written and table 2 + # had an error on close. + self.open_conn() + c1 = self.session.open_cursor(baseuri + '01.wt') + c2 = self.session.open_cursor(baseuri + '02.wt') + self.assertEqual(list(c1), list(c2)) + +if __name__ == '__main__': + wttest.run() |
