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Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_txn10.py')
| -rw-r--r-- | src/third_party/wiredtiger/test/suite/test_txn10.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_txn10.py b/src/third_party/wiredtiger/test/suite/test_txn10.py new file mode 100644 index 00000000000..cf9c11dd4ab --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_txn10.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python +# +# Public Domain 2014-2016 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. +# +# test_txn10.py +# Transactions: commits and rollbacks +# + +import fnmatch, os, shutil, time +from suite_subprocess import suite_subprocess +from wtscenario import multiply_scenarios, number_scenarios, prune_scenarios +import wttest + +class test_txn10(wttest.WiredTigerTestCase, suite_subprocess): + t1 = 'table:test_txn10_1' + t2 = 'table:test_txn10_2' + create_params = 'key_format=i,value_format=i' + conn_config = 'log=(archive=false,enabled,file_max=100K),' + \ + 'transaction_sync=(method=dsync,enabled)' + + def simulate_crash_restart(self, olddir, newdir): + ''' Simulate a crash from olddir and restart in newdir. ''' + # with the connection still open, copy files to new directory + shutil.rmtree(newdir, ignore_errors=True) + os.mkdir(newdir) + for fname in os.listdir(olddir): + fullname = os.path.join(olddir, fname) + # Skip lock file on Windows since it is locked + if os.path.isfile(fullname) and \ + "WiredTiger.lock" not in fullname and \ + "Tmplog" not in fullname and \ + "Preplog" not in fullname: + shutil.copy(fullname, newdir) + # close the original connection and open to new directory + self.close_conn() + self.conn = self.setUpConnectionOpen(newdir) + self.session = self.setUpSessionOpen(self.conn) + + def test_recovery(self): + ''' Check for bugs in file ID allocation. ''' + + # Here's the strategy: + # - Create a table (t1). + # - Do a clean restart. + # - Create another table (t2). + # - Insert data into t2. + # - Make recovery run. + # + # If we aren't tracking file IDs properly, it's possible that + # we'd end up apply the log records for t2 to table t1. + self.session.create(self.t1, self.create_params) + self.reopen_conn() + self.session.create(self.t2, self.create_params) + c = self.session.open_cursor(self.t2, None, None) + for i in range(10000): + c[i] = i + 1 + c.close() + self.simulate_crash_restart(".", "RESTART") + c = self.session.open_cursor(self.t2, None, None) + i = 0 + for key, value in c: + self.assertEqual(i, key) + self.assertEqual(i+1, value) + i += 1 + self.assertEqual(i, 10000) + c.close() + c = self.session.open_cursor(self.t1, None, None) + i = 0 + for key, value in c: + i += 1 + self.assertEqual(i, 0) + c.close() + +if __name__ == '__main__': + wttest.run() |