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1# 2006 June 10
2#
3# The author disclaims copyright to this source code. In place of
4# a legal notice, here is a blessing:
5#
6# May you do good and not evil.
7# May you find forgiveness for yourself and forgive others.
8# May you share freely, never taking more than you give.
9#
10#***********************************************************************
11# This file implements regression tests for SQLite library. The
12# focus is on testing the following virtual table methods:
13#
14# xBegin
15# xSync
16# xCommit
17# xRollback
18#
19# $Id: vtab4.test,v 1.2 2006/09/02 22:14:59 drh Exp $
20
21set testdir [file dirname $argv0]
22source $testdir/tester.tcl
23
24unset -nocomplain echo_module
25unset -nocomplain echo_module_sync_fail
26
27ifcapable !vtab {
28 finish_test
29 return
30}
31
32# Register the echo module
33db cache size 0
34register_echo_module [sqlite3_connection_pointer db]
35
36do_test vtab4-1.1 {
37 execsql {
38 CREATE TABLE treal(a PRIMARY KEY, b, c);
39 CREATE VIRTUAL TABLE techo USING echo(treal);
40 }
41} {}
42
43# Test an INSERT, UPDATE and DELETE statement on the virtual table
44# in an implicit transaction. Each should result in a single call
45# to xBegin, xSync and xCommit.
46#
47do_test vtab4-1.2 {
48 set echo_module [list]
49 execsql {
50 INSERT INTO techo VALUES(1, 2, 3);
51 }
52 set echo_module
53} {xBegin echo(treal) xSync echo(treal) xCommit echo(treal)}
54do_test vtab4-1.3 {
55 set echo_module [list]
56 execsql {
57 UPDATE techo SET a = 2;
58 }
59 set echo_module
60} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
61 xBegin echo(treal) \
62 xFilter {SELECT rowid, * FROM 'treal'} \
63 xSync echo(treal) \
64 xCommit echo(treal) \
65]
66do_test vtab4-1.4 {
67 set echo_module [list]
68 execsql {
69 DELETE FROM techo;
70 }
71 set echo_module
72} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
73 xBegin echo(treal) \
74 xFilter {SELECT rowid, * FROM 'treal'} \
75 xSync echo(treal) \
76 xCommit echo(treal) \
77]
78
79# Ensure xBegin is not called more than once in a single transaction.
80#
81do_test vtab4-2.1 {
82 set echo_module [list]
83 execsql {
84 BEGIN;
85 INSERT INTO techo VALUES(1, 2, 3);
86 INSERT INTO techo VALUES(4, 5, 6);
87 INSERT INTO techo VALUES(7, 8, 9);
88 COMMIT;
89 }
90 set echo_module
91} {xBegin echo(treal) xSync echo(treal) xCommit echo(treal)}
92
93# Try a transaction with two virtual tables.
94#
95do_test vtab4-2.2 {
96 execsql {
97 CREATE TABLE sreal(a, b, c UNIQUE);
98 CREATE VIRTUAL TABLE secho USING echo(sreal);
99 }
100 set echo_module [list]
101 execsql {
102 BEGIN;
103 INSERT INTO secho SELECT * FROM techo;
104 DELETE FROM techo;
105 COMMIT;
106 }
107 set echo_module
108} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
109 xBegin echo(sreal) \
110 xFilter {SELECT rowid, * FROM 'treal'} \
111 xBestIndex {SELECT rowid, * FROM 'treal'} \
112 xBegin echo(treal) \
113 xFilter {SELECT rowid, * FROM 'treal'} \
114 xSync echo(sreal) \
115 xSync echo(treal) \
116 xCommit echo(sreal) \
117 xCommit echo(treal) \
118]
119do_test vtab4-2.3 {
120 execsql {
121 SELECT * FROM secho;
122 }
123} {1 2 3 4 5 6 7 8 9}
124do_test vtab4-2.4 {
125 execsql {
126 SELECT * FROM techo;
127 }
128} {}
129
130# Try an explicit ROLLBACK on a transaction with two open virtual tables.
131do_test vtab4-2.5 {
132 set echo_module [list]
133 execsql {
134 BEGIN;
135 INSERT INTO techo SELECT * FROM secho;
136 DELETE FROM secho;
137 ROLLBACK;
138 }
139 set echo_module
140} [list xBestIndex {SELECT rowid, * FROM 'sreal'} \
141 xBegin echo(treal) \
142 xFilter {SELECT rowid, * FROM 'sreal'} \
143 xBestIndex {SELECT rowid, * FROM 'sreal'} \
144 xBegin echo(sreal) \
145 xFilter {SELECT rowid, * FROM 'sreal'} \
146 xRollback echo(treal) \
147 xRollback echo(sreal) \
148]
149do_test vtab4-2.6 {
150 execsql {
151 SELECT * FROM secho;
152 }
153} {1 2 3 4 5 6 7 8 9}
154do_test vtab4-2.7 {
155 execsql {
156 SELECT * FROM techo;
157 }
158} {}
159
160do_test vtab4-3.1 {
161 set echo_module [list]
162 set echo_module_sync_fail treal
163 catchsql {
164 INSERT INTO techo VALUES(1, 2, 3);
165 }
166} {1 {unknown error}}
167do_test vtab4-3.2 {
168 set echo_module
169} {xBegin echo(treal) xSync echo(treal) xRollback echo(treal)}
170
171breakpoint
172do_test vtab4-3.3 {
173 set echo_module [list]
174 set echo_module_sync_fail sreal
175 catchsql {
176 BEGIN;
177 INSERT INTO techo SELECT * FROM secho;
178 DELETE FROM secho;
179 COMMIT;
180 }
181 set echo_module
182} [list xBestIndex {SELECT rowid, * FROM 'sreal'} \
183 xBegin echo(treal) \
184 xFilter {SELECT rowid, * FROM 'sreal'} \
185 xBestIndex {SELECT rowid, * FROM 'sreal'} \
186 xBegin echo(sreal) \
187 xFilter {SELECT rowid, * FROM 'sreal'} \
188 xSync echo(treal) \
189 xSync echo(sreal) \
190 xRollback echo(treal) \
191 xRollback echo(sreal) \
192]
193
194finish_test
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