Annotation of embedaddon/sqlite3/test/ioerr2.test, revision 1.1.1.1
1.1 misho 1: # 2007 April 2
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 of this file is testing for correct handling of I/O errors
13: # such as writes failing because the disk is full.
14: #
15: # The tests in this file use special facilities that are only
16: # available in the SQLite test fixture.
17: #
18: # $Id: ioerr2.test,v 1.12 2009/06/05 17:09:12 drh Exp $
19:
20: set testdir [file dirname $argv0]
21: source $testdir/tester.tcl
22:
23: ifcapable !integrityck {
24: finish_test
25: return
26: }
27:
28: do_test ioerr2-1.1 {
29: execsql {
30: PRAGMA cache_size = 10;
31: PRAGMA default_cache_size = 10;
32: CREATE TABLE t1(a, b, PRIMARY KEY(a, b));
33: INSERT INTO t1 VALUES(randstr(400,400),randstr(400,400));
34: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2
35: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 4
36: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 8
37: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 16
38: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 32
39: }
40: } {}
41:
42: set ::cksum [execsql {SELECT md5sum(a, b) FROM t1}]
43: proc check_db {testname} {
44:
45: # Make sure no I/O errors are simulated in this proc.
46: set ::sqlite_io_error_hit 0
47: set ::sqlite_io_error_persist 0
48: set ::sqlite_io_error_pending 0
49:
50: # Run an integrity-check. If "disk I/O error" is returned, the
51: # pager must be in error state. In this case open a new database
52: # connection. Otherwise, try a ROLLBACK, in case a transaction
53: # is still active.
54: set rc [catch {execsql {PRAGMA integrity_check}} msg]
55: if {$rc && ($msg eq "disk I/O error" || $msg eq "database is locked")} {
56: db close
57: sqlite3 db test.db
58: set refcnt 0
59: } else {
60: if {$rc || $msg ne "ok"} {
61: error $msg
62: }
63: catch {execsql ROLLBACK}
64: }
65:
66: # Check that the database checksum is still $::cksum, and that
67: # the integrity-check passes.
68: set ck [execsql {SELECT md5sum(a, b) FROM t1}]
69: do_test ${testname}.cksum [list set ck $ck] $::cksum
70: integrity_check ${testname}.integrity
71: do_test ${testname}.refcnt {
72: lindex [sqlite3_pager_refcounts db] 0
73: } 0
74: }
75:
76: check_db ioerr2-2
77:
78: set sql {
79: PRAGMA cache_size = 10;
80: PRAGMA default_cache_size = 10;
81: BEGIN;
82: DELETE FROM t1 WHERE (oid%7)==0;
83: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400)
84: WHERE (random()%7)==0;
85: UPDATE t1 SET a = randstr(400,400), b = randstr(400,400)
86: WHERE (random()%7)==0;
87: ROLLBACK;
88: }
89:
90: foreach bPersist [list 0 1] {
91: set ::go 1
92: for {set ::N 1} {$::go} {incr ::N} {
93: db close
94: sqlite3 db test.db
95: set ::sqlite_io_error_hit 0
96: set ::sqlite_io_error_persist $bPersist
97: set ::sqlite_io_error_pending $::N
98:
99: foreach {::go res} [catchsql $sql] {}
100: check_db ioerr2-3.$bPersist.$::N
101: }
102: }
103: foreach bPersist [list 0 1] {
104: set ::go 1
105: for {set ::N 1} {$::go} {incr ::N} {
106: set ::sqlite_io_error_hit 0
107: set ::sqlite_io_error_persist $bPersist
108: set ::sqlite_io_error_pending $::N
109:
110: foreach {::go res} [catchsql $sql] {}
111: check_db ioerr2-4.[expr {$bPersist+2}].$::N
112: }
113: }
114:
115: do_test ioerr2-5 {
116: execsql {
117: CREATE TABLE t2 AS SELECT * FROM t1;
118: PRAGMA temp_store = memory;
119: }
120: set ::sqlite_io_error_persist 0
121: set ::go 1
122: set rc [catch {
123: for {set ::N 2} {$::N<200} {incr ::N} {
124: db eval {SELECT * FROM t1 WHERE rowid IN (1, 5, 10, 15, 20)} {
125: set ::sqlite_io_error_hit 0
126: set ::sqlite_io_error_pending $::N
127: set sql {UPDATE t2 SET b = randstr(400,400)}
128: foreach {::go res} [catchsql $sql] {}
129: }
130: }
131: } msg]
132: list $rc $msg
133: } {1 {callback requested query abort}}
134:
135: if {$::tcl_platform(platform) == "unix"} {
136: # Cause the call to xAccess used by [pragma temp_store_directory] to
137: # determine if the specified directory is writable to fail. This causes
138: # SQLite to report "not a writable directory", which is probably the
139: # right answer.
140: #
141: do_test ioerr2-6 {
142: set ::sqlite_io_error_hit 0
143: set ::sqlite_io_error_pending 1
144: catchsql {PRAGMA temp_store_directory = '/tmp/'}
145: } {1 {not a writable directory}}
146: }
147:
148: do_ioerr_test ioerr2-7 -persist 0 -sqlprep {
149: PRAGMA cache_size = 10;
150: PRAGMA auto_vacuum = 1;
151: CREATE TABLE ab(a, b);
152: CREATE TABLE de(d, e);
153: INSERT INTO ab VALUES(1, randstr(200,200));
154: INSERT INTO ab SELECT a+1, randstr(200,200) FROM ab;
155: INSERT INTO ab SELECT a+2, randstr(200,200) FROM ab;
156: INSERT INTO ab SELECT a+4, randstr(200,200) FROM ab;
157: INSERT INTO ab SELECT a+8, randstr(200,200) FROM ab;
158: INSERT INTO ab SELECT a+16, randstr(200,200) FROM ab;
159: INSERT INTO ab SELECT a+32, randstr(200,200) FROM ab;
160: INSERT INTO ab SELECT a+64, randstr(200,200) FROM ab;
161: INSERT INTO de SELECT * FROM ab;
162: } -sqlbody {
163: BEGIN;
164: UPDATE ab SET b = randstr(200,200);
165: UPDATE de SET e = randstr(200,200) WHERE d = (SELECT max(d) FROM de);
166: DELETE FROM ab;
167: COMMIT;
168: }
169:
170: finish_test
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