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
|
#!/usr/bin/env python
#
# Public Domain 2014-2015 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 helper import key_populate, simple_populate
from wtscenario import check_scenarios
# test_overwrite.py
# cursor overwrite configuration method
class test_overwrite(wttest.WiredTigerTestCase):
name = 'overwrite'
scenarios = check_scenarios([
('file-r', dict(type='file:',keyfmt='r')),
('file-S', dict(type='file:',keyfmt='S')),
('lsm-S', dict(type='lsm:',keyfmt='S')),
('table-r', dict(type='table:',keyfmt='r')),
('table-S', dict(type='table:',keyfmt='S')),
])
# Confirm a cursor configured with/without overwrite correctly handles
# non-existent records during insert, remove and update operations.
def test_overwrite_insert(self):
uri = self.type + self.name
simple_populate(self, uri, 'key_format=' + self.keyfmt, 100)
# Insert of an existing record with overwrite off fails.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 5))
cursor.set_value('XXXXXXXXXX')
self.assertRaises(wiredtiger.WiredTigerError, lambda: cursor.insert())
# One additional test for the insert method: duplicate the cursor with
# overwrite configured and then the insert should succeed. This test
# is only for the insert method because the remove and update method
# failure modes are for non-existent records, and you cannot duplicate
# cursor pointing to non-existent records.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 5))
dupc = self.session.open_cursor(None, cursor, "overwrite=true")
dupc.set_value('XXXXXXXXXX')
self.assertEquals(dupc.insert(), 0)
# Insert of an existing record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 6))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.insert(), 0)
# Insert of a non-existent record with overwrite off succeeds.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 200))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.insert(), 0)
# Insert of a non-existent record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 201))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.insert(), 0)
def test_overwrite_remove(self):
uri = self.type + self.name
simple_populate(self, uri, 'key_format=' + self.keyfmt, 100)
# Remove of an existing record with overwrite off succeeds.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 5))
self.assertEquals(cursor.remove(), 0)
# Remove of an existing record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 6))
self.assertEquals(cursor.remove(), 0)
# Remove of a non-existent record with overwrite off fails.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 200))
self.assertEquals(cursor.remove(), wiredtiger.WT_NOTFOUND)
# Remove of a non-existent record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 201))
self.assertEquals(cursor.remove(), 0)
def test_overwrite_update(self):
uri = self.type + self.name
simple_populate(self, uri, 'key_format=' + self.keyfmt, 100)
# Update of an existing record with overwrite off succeeds.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 5))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.update(), 0)
# Update of an existing record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 6))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.update(), 0)
# Update of a non-existent record with overwrite off fails.
cursor = self.session.open_cursor(uri, None, "overwrite=false")
cursor.set_key(key_populate(cursor, 200))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.update(), wiredtiger.WT_NOTFOUND)
# Update of a non-existent record with overwrite on succeeds.
cursor = self.session.open_cursor(uri, None)
cursor.set_key(key_populate(cursor, 201))
cursor.set_value('XXXXXXXXXX')
self.assertEquals(cursor.update(), 0)
if __name__ == '__main__':
wttest.run()
|
