diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_hs10.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_hs10.py | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_hs10.py b/src/third_party/wiredtiger/test/suite/test_hs10.py new file mode 100644 index 00000000000..4ba3b25c4f0 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_hs10.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python +# +# Public Domain 2014-2020 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. + +import unittest, wiredtiger, wttest, time +from wiredtiger import stat +from wtscenario import make_scenarios + +def timestamp_str(t): + return '%x' % t + +# test_hs10.py +# Verify modify read after eviction. +class test_hs10(wttest.WiredTigerTestCase): + conn_config = 'cache_size=2MB,statistics=(all),eviction=(threads_max=1)' + session_config = 'isolation=snapshot' + + def get_stat(self, stat): + stat_cursor = self.session.open_cursor('statistics:') + val = stat_cursor[stat][2] + stat_cursor.close() + return val + + def test_modify_insert_to_las(self): + uri = "table:test_hs10" + uri2 = "table:test_hs10_otherdata" + create_params = 'value_format=S,key_format=i' + value1 = 'a' * 1000 + value2 = 'b' * 1000 + self.session.create(uri, create_params) + session2 = self.setUpSessionOpen(self.conn) + session2.create(uri2, create_params) + cursor2 = session2.open_cursor(uri2) + # Insert a full value. + self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(1)) + self.conn.set_timestamp('stable_timestamp=' + timestamp_str(1)) + cursor = self.session.open_cursor(uri) + self.session.begin_transaction() + cursor[1] = value1 + self.session.commit_transaction('commit_timestamp=' + timestamp_str(2)) + + # Insert 3 modifies in separate transactions. + self.session.begin_transaction() + cursor.set_key(1) + self.assertEqual(cursor.modify([wiredtiger.Modify('A', 1000, 1)]), 0) + self.session.commit_transaction('commit_timestamp=' + timestamp_str(3)) + + self.session.begin_transaction() + cursor.set_key(1) + self.assertEqual(cursor.modify([wiredtiger.Modify('B', 1001, 1)]), 0) + self.session.commit_transaction('commit_timestamp=' + timestamp_str(4)) + + self.session.begin_transaction() + cursor.set_key(1) + self.assertEqual(cursor.modify([wiredtiger.Modify('C', 1002, 1)]), 0) + self.session.commit_transaction('commit_timestamp=' + timestamp_str(5)) + self.session.checkpoint() + + # Insert a whole bunch of data into the other table to force wiredtiger to evict data + # from the previous table. + for i in range(1, 10000): + cursor2[i] = value2 + + # Validate that we see the correct value at each of the timestamps. + self.session.begin_transaction('read_timestamp=' + timestamp_str(3)) + cursor.set_key(1) + cursor.search() + self.assertEqual(cursor[1], value1 + 'A') + self.session.commit_transaction() + + cursor2 = self.session.open_cursor(uri) + self.session.begin_transaction('read_timestamp=' + timestamp_str(4)) + cursor2.set_key(1) + cursor2.search() + self.assertEqual(cursor2.get_value(), value1 + 'AB') + self.session.commit_transaction() + + self.session.begin_transaction('read_timestamp=' + timestamp_str(5)) + self.assertEqual(cursor[1], value1 + 'ABC') + self.session.commit_transaction() + +if __name__ == '__main__': + wttest.run() |