diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_metadata_cursor01.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_metadata_cursor01.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_metadata_cursor01.py b/src/third_party/wiredtiger/test/suite/test_metadata_cursor01.py new file mode 100644 index 00000000000..e759c14f846 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_metadata_cursor01.py @@ -0,0 +1,137 @@ +#!/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. + +import wiredtiger, wttest +from wtscenario import check_scenarios + +# test_metadata_cursor01.py +# Metadata cursor operations +# Basic smoke-test of metadata cursor: test backward and forward iteration +# as well as search. +class test_metadata_cursor01(wttest.WiredTigerTestCase): + """ + Test basic operations + """ + table_name1 = 'test_metadata_cursor01' + + scenarios = check_scenarios([ + ('plain', {'metauri' : 'metadata:'}), + ('create', {'metauri' : 'metadata:create'}), + ]) + + def genkey(self, i): + if self.tablekind == 'row': + return 'key' + str(i) + else: + return long(i+1) + + def genvalue(self, i): + if self.tablekind == 'fix': + return int(i & 0xff) + else: + return 'value' + str(i) + + def assertCursorHasNoKeyValue(self, cursor): + keymsg = '/requires key be set/' + valuemsg = '/requires value be set/' + self.assertRaisesWithMessage( + wiredtiger.WiredTigerError, cursor.get_key, keymsg) + self.assertRaisesWithMessage( + wiredtiger.WiredTigerError, cursor.get_value, valuemsg) + + def session_create(self, name, args): + """ + session.create, but report errors more completely + """ + try: + self.session.create(name, args) + except: + print('**** ERROR in session.create("' + name + '","' + args + '") ***** ') + raise + + # Create and populate the object, returning an open cursor. + def create_table(self): + tablearg = 'table:' + self.table_name1 + create_args = 'key_format=S,value_format=S' + + self.pr('creating session: ' + create_args) + self.session_create(tablearg, create_args) + self.pr('creating cursor') + + + # Forward iteration. + def test_forward_iter(self): + self.create_table() + cursor = self.session.open_cursor(self.metauri, None, None) + self.assertCursorHasNoKeyValue(cursor) + + while True: + nextret = cursor.next() + if nextret != 0: + break + self.assertIsNotNone(cursor.get_key()) + self.assertIsNotNone(cursor.get_value()) + + self.assertEqual(nextret, wiredtiger.WT_NOTFOUND) + cursor.reset() + self.assertCursorHasNoKeyValue(cursor) + cursor.close() + + # Backward iteration. + def test_backward_iter(self): + self.create_table() + cursor = self.session.open_cursor(self.metauri, None, None) + self.assertCursorHasNoKeyValue(cursor) + + while True: + prevret = cursor.prev() + if prevret != 0: + break + self.assertIsNotNone(cursor.get_key()) + self.assertIsNotNone(cursor.get_value()) + + self.assertEqual(prevret, wiredtiger.WT_NOTFOUND) + self.assertCursorHasNoKeyValue(cursor) + cursor.close() + + # Test search + def test_search(self): + self.create_table() + cursor = self.session.open_cursor(self.metauri, None, None) + self.assertCursorHasNoKeyValue(cursor) + + # Ensure the 'special' metadata metadata is found. + value = cursor['metadata:'] + self.assertTrue(value.find('key_format') != -1) + + # Ensure the metadata for the table we created is found + value = cursor['table:' + self.table_name1] + self.assertTrue(value.find('key_format') != -1) + +if __name__ == '__main__': + wttest.run() |