summaryrefslogtreecommitdiff
path: root/src/third_party/wiredtiger/test/suite/test_hs10.py
diff options
context:
space:
mode:
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_hs10.py')
-rw-r--r--src/third_party/wiredtiger/test/suite/test_hs10.py107
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()