156 lines
5.6 KiB
Python
156 lines
5.6 KiB
Python
#!/usr/bin/env python
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#
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# Public Domain 2014-2016 MongoDB, Inc.
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# Public Domain 2008-2014 WiredTiger, Inc.
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#
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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import wiredtiger
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from test_cursor_tracker import TestCursorTracker
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from wtscenario import check_scenarios
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# test_cursor02.py
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# Cursor operations on small tables.
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class test_cursor02(TestCursorTracker):
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"""
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Cursor operations on small tables of each access method.
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We use the TestCursorTracker base class to generate
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key/value content and to track/verify content
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after inserts and removes.
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"""
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scenarios = check_scenarios([
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('row', dict(tablekind='row', uri='table')),
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('lsm-row', dict(tablekind='row', uri='lsm')),
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('col', dict(tablekind='col', uri='table')),
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#('fix', dict(tablekind='fix'))
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])
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def create_session_and_cursor(self, ninitialentries):
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tablearg = self.uri + ":" + self.table_name1
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if self.tablekind == 'row':
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keyformat = 'key_format=S'
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else:
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keyformat = 'key_format=r' # record format
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if self.tablekind == 'fix':
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valformat = 'value_format=8t'
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else:
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valformat = 'value_format=S'
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create_args = keyformat + ',' + valformat + self.config_string()
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self.session_create(tablearg, create_args)
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self.pr('creating cursor')
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self.cur_initial_conditions(self.table_name1, ninitialentries, self.tablekind, None, None, self.uri)
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return self.session.open_cursor(tablearg, None, 'append')
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def test_multiple_remove(self):
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"""
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Test multiple deletes at the same place
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"""
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cursor = self.create_session_and_cursor(10)
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self.cur_first(cursor)
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self.cur_check_forward(cursor, 5)
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self.cur_remove_here(cursor)
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self.cur_next(cursor)
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self.cur_check_here(cursor)
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self.cur_remove_here(cursor)
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self.cur_next(cursor)
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self.cur_check_here(cursor)
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self.cur_check_forward(cursor, 2)
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#self.cur_dump_here(cursor, 'after second next: ')
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cursor.close()
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def test_insert_and_remove(self):
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"""
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Test a variety of insert, deletes and iteration
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"""
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cursor = self.create_session_and_cursor(10)
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#self.table_dump(self.table_name1)
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self.cur_insert(cursor, 2, 5)
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self.cur_insert(cursor, 2, 6)
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self.cur_insert(cursor, 2, 4)
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self.cur_insert(cursor, 2, 7)
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self.cur_first(cursor)
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self.cur_check_forward(cursor, 5)
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self.cur_remove_here(cursor)
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self.cur_check_forward(cursor, 5)
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self.cur_remove_here(cursor)
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self.cur_check_forward(cursor, 1)
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self.cur_remove_here(cursor)
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self.cur_check_forward(cursor, 2)
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self.cur_check_backward(cursor, 4)
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self.cur_remove_here(cursor)
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self.cur_check_backward(cursor, 2)
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self.cur_check_forward(cursor, 5)
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self.cur_check_backward(cursor, -1)
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self.cur_check_forward(cursor, -1)
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self.cur_last(cursor)
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self.cur_check_backward(cursor, -1)
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cursor.close()
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def test_iterate_empty(self):
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"""
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Test iterating an empty table
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"""
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cursor = self.create_session_and_cursor(0)
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self.cur_first(cursor, wiredtiger.WT_NOTFOUND)
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self.cur_check_forward(cursor, -1)
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self.cur_check_backward(cursor, -1)
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self.cur_last(cursor, wiredtiger.WT_NOTFOUND)
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self.cur_check_backward(cursor, -1)
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self.cur_check_forward(cursor, -1)
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cursor.close()
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def test_iterate_one_preexisting(self):
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"""
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Test iterating a table that contains one preexisting entry
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"""
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cursor = self.create_session_and_cursor(1)
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self.cur_first(cursor)
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self.cur_check_forward(cursor, -1)
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self.cur_check_backward(cursor, -1)
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self.cur_last(cursor)
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self.cur_check_backward(cursor, -1)
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self.cur_check_forward(cursor, -1)
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cursor.close()
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def test_iterate_one_added(self):
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"""
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Test iterating a table that contains one newly added entry
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"""
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cursor = self.create_session_and_cursor(0)
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self.cur_insert(cursor, 1, 0)
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self.cur_first(cursor)
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self.cur_check_forward(cursor, -1)
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self.cur_check_backward(cursor, -1)
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self.cur_last(cursor)
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self.cur_check_backward(cursor, -1)
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self.cur_check_forward(cursor, -1)
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cursor.close()
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if __name__ == '__main__':
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wttest.run()
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