summaryrefslogtreecommitdiff
path: root/src/third_party/wiredtiger/test/suite/test_cursor02.py
blob: 163f9c777b12498e734d949ae7088b922939af09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
#!/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.

import wiredtiger
from test_cursor_tracker import TestCursorTracker
from wtscenario import make_scenarios

# test_cursor02.py
#     Cursor operations on small tables.
class test_cursor02(TestCursorTracker):
    """
    Cursor operations on small tables of each access method.
    We use the TestCursorTracker base class to generate
    key/value content and to track/verify content
    after inserts and removes.
    """
    scenarios = make_scenarios([
        ('row', dict(tablekind='row', uri='table')),
        ('lsm-row', dict(tablekind='row', uri='lsm')),
        ('col', dict(tablekind='col', uri='table')),
        #('fix', dict(tablekind='fix'))
    ])

    def create_session_and_cursor(self, ninitialentries):
        tablearg = self.uri + ":" + self.table_name1
        if self.tablekind == 'row':
            keyformat = 'key_format=S'
        else:
            keyformat = 'key_format=r'  # record format
        if self.tablekind == 'fix':
            valformat = 'value_format=8t'
        else:
            valformat = 'value_format=S'
        create_args = keyformat + ',' + valformat + self.config_string()
        self.session_create(tablearg, create_args)
        self.pr('creating cursor')
        self.cur_initial_conditions(self.table_name1, ninitialentries, self.tablekind, None, None, self.uri)
        return self.session.open_cursor(tablearg, None, 'append')

    def test_multiple_remove(self):
        """
        Test multiple deletes at the same place
        """
        cursor = self.create_session_and_cursor(10)
        self.cur_first(cursor)
        self.cur_check_forward(cursor, 5)

        self.cur_remove_here(cursor)
        self.cur_next(cursor)
        self.cur_check_here(cursor)

        self.cur_remove_here(cursor)
        self.cur_next(cursor)
        self.cur_check_here(cursor)
        self.cur_check_forward(cursor, 2)

        #self.cur_dump_here(cursor, 'after second next: ')
        cursor.close()

    def test_insert_and_remove(self):
        """
        Test a variety of insert, deletes and iteration
        """
        cursor = self.create_session_and_cursor(10)
        #self.table_dump(self.table_name1)
        self.cur_insert(cursor, 2, 5)
        self.cur_insert(cursor, 2, 6)
        self.cur_insert(cursor, 2, 4)
        self.cur_insert(cursor, 2, 7)
        self.cur_first(cursor)
        self.cur_check_forward(cursor, 5)
        self.cur_remove_here(cursor)
        self.cur_check_forward(cursor, 5)
        self.cur_remove_here(cursor)
        self.cur_check_forward(cursor, 1)
        self.cur_remove_here(cursor)
        self.cur_check_forward(cursor, 2)
        self.cur_check_backward(cursor, 4)
        self.cur_remove_here(cursor)
        self.cur_check_backward(cursor, 2)
        self.cur_check_forward(cursor, 5)
        self.cur_check_backward(cursor, -1)
        self.cur_check_forward(cursor, -1)
        self.cur_last(cursor)
        self.cur_check_backward(cursor, -1)
        cursor.close()

    def test_iterate_empty(self):
        """
        Test iterating an empty table
        """
        cursor = self.create_session_and_cursor(0)
        self.cur_first(cursor, wiredtiger.WT_NOTFOUND)
        self.cur_check_forward(cursor, -1)
        self.cur_check_backward(cursor, -1)
        self.cur_last(cursor, wiredtiger.WT_NOTFOUND)
        self.cur_check_backward(cursor, -1)
        self.cur_check_forward(cursor, -1)
        cursor.close()

    def test_iterate_one_preexisting(self):
        """
        Test iterating a table that contains one preexisting entry
        """
        cursor = self.create_session_and_cursor(1)
        self.cur_first(cursor)
        self.cur_check_forward(cursor, -1)
        self.cur_check_backward(cursor, -1)
        self.cur_last(cursor)
        self.cur_check_backward(cursor, -1)
        self.cur_check_forward(cursor, -1)
        cursor.close()

    def test_iterate_one_added(self):
        """
        Test iterating a table that contains one newly added entry
        """
        cursor = self.create_session_and_cursor(0)
        self.cur_insert(cursor, 1, 0)
        self.cur_first(cursor)
        self.cur_check_forward(cursor, -1)
        self.cur_check_backward(cursor, -1)
        self.cur_last(cursor)
        self.cur_check_backward(cursor, -1)
        self.cur_check_forward(cursor, -1)
        cursor.close()

if __name__ == '__main__':
    wttest.run()