diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_cursor21.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_cursor21.py | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_cursor21.py b/src/third_party/wiredtiger/test/suite/test_cursor21.py new file mode 100644 index 00000000000..e508e7091de --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_cursor21.py @@ -0,0 +1,127 @@ +#!/usr/bin/env python +# +# Public Domain 2014-present 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_cursor21.py +# Test cursor reposition + +import wttest +from wtscenario import make_scenarios +from wiredtiger import stat + +class test_cursor21(wttest.WiredTigerTestCase): + uri = "table:test_cursor21" + + format_values = [ + ('column', dict(key_format='r', value_format='i')), + ('row_integer', dict(key_format='i', value_format='i')), + ] + reposition_values = [ + ('no_reposition', dict(reposition=False)), + ('reposition', dict(reposition=True)) + ] + scenarios = make_scenarios(format_values, reposition_values) + + def conn_config(self): + config='cache_size=100MB,statistics=(all)' + if self.reposition: + config += ',debug_mode=[cursor_reposition=true],timing_stress_for_test=(evict_reposition)' + return config + + def get_stat(self, stat, local_session = None): + if (local_session != None): + stat_cursor = local_session.open_cursor('statistics:') + else: + stat_cursor = self.session.open_cursor('statistics:') + val = stat_cursor[stat][2] + stat_cursor.close() + return val + + def check_reposition(self, count): + reposition_count = self.get_stat(stat.conn.cursor_reposition, self.session) + if self.reposition: + count = reposition_count - count + # Ensure that the reposition stat is greater than 0, indicating that repositon happened. + self.assertGreater(count, 0) + else: + self.assertEqual(reposition_count, 0) + return reposition_count + + def test_cursor21(self): + format = 'key_format={},value_format={}'.format(self.key_format, self.value_format) + reposition_count = 0 + self.session.create(self.uri, format) + cursor = self.session.open_cursor(self.uri) + + # insert + self.session.begin_transaction() + for i in range(1, 10000): + cursor[i] = i + self.session.commit_transaction() + + # next + self.session.begin_transaction() + for i in range(1, 10000): + cursor.next() + self.assertEqual(cursor.get_value(), i) + self.session.commit_transaction() + + reposition_count = self.check_reposition(reposition_count) + cursor.reset() + + # prev + self.session.begin_transaction() + for i in range(9999, 0, -1): + cursor.prev() + self.assertEqual(cursor.get_value(), i) + self.session.commit_transaction() + + reposition_count = self.check_reposition(reposition_count) + cursor.reset() + + # search + self.session.begin_transaction() + for i in range(1, 10000): + cursor.set_key(i) + cursor.search() + self.assertEqual(cursor.get_value(), i) + self.session.commit_transaction() + + reposition_count = self.check_reposition(reposition_count) + cursor.reset() + + # search_near + self.session.begin_transaction() + for i in range(1, 10000): + cursor.set_key(i) + cursor.search_near() + self.assertEqual(cursor.get_value(), i) + self.session.commit_transaction() + + reposition_count += self.check_reposition(reposition_count) + cursor.close() + self.session.close() |