summaryrefslogtreecommitdiff
path: root/src/third_party/wiredtiger/test/suite/test_durability01.py
diff options
context:
space:
mode:
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_durability01.py')
-rw-r--r--src/third_party/wiredtiger/test/suite/test_durability01.py79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_durability01.py b/src/third_party/wiredtiger/test/suite/test_durability01.py
new file mode 100644
index 00000000000..f578a79baf1
--- /dev/null
+++ b/src/third_party/wiredtiger/test/suite/test_durability01.py
@@ -0,0 +1,79 @@
+#!/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_durability01.py
+# Durability: make sure the metadata is stable after exclusive operations
+# cause files to be closed.
+#
+
+import fnmatch, os, shutil, time
+from helper import copy_wiredtiger_home
+from suite_subprocess import suite_subprocess
+from wtscenario import multiply_scenarios, number_scenarios, prune_scenarios
+import wttest
+
+class test_durability01(wttest.WiredTigerTestCase, suite_subprocess):
+ uri = 'table:test_durability01'
+ create_params = 'key_format=i,value_format=i'
+
+ def check_crash_restart(self, olddir, newdir):
+ ''' Simulate a crash from olddir and restart in newdir. '''
+ # with the connection still open, copy files to new directory
+ copy_wiredtiger_home(olddir, newdir)
+
+ # Open the new directory
+ conn = self.setUpConnectionOpen(newdir)
+ session = self.setUpSessionOpen(conn)
+ session.verify(self.uri)
+ conn.close()
+
+ def test_durability(self):
+ '''Check for missing metadata checkpoints'''
+
+ # Here's the strategy:
+ # - update the table
+ # - verify, which causes the table to be flushed
+ # - copy the database directory (live, simulating a crash)
+ # - verify in the copy
+ # - repeat
+ #
+ # If the metadata isn't flushed, eventually the metadata we copy will
+ # be sufficiently out-of-sync with the data file that it won't verify.
+ self.session.create(self.uri, self.create_params)
+ for i in range(100):
+ c = self.session.open_cursor(self.uri)
+ c[i] = i
+ c.close()
+ if i % 5 == 0:
+ self.session.checkpoint()
+ else:
+ self.session.verify(self.uri)
+ self.check_crash_restart(".", "RESTART")
+
+if __name__ == '__main__':
+ wttest.run()