xref: /sqlite-3.40.0/test/backup2.test (revision f2fcd075)
1# 2009 February 4
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 the "backup" and "restore" methods
13# of the TCL interface - methods which are based on the
14# sqlite3_backup_XXX API.
15#
16# $Id: backup2.test,v 1.4 2009/04/07 14:14:23 danielk1977 Exp $
17
18set testdir [file dirname $argv0]
19source $testdir/tester.tcl
20
21do_not_use_codec
22
23ifcapable !trigger||!view { finish_test ; return }
24
25# Fill a database with test data.
26#
27do_test backup2-1 {
28  db eval {
29    CREATE TABLE t1(x);
30    INSERT INTO t1 VALUES(randstr(8000,8000));
31    INSERT INTO t1 VALUES(randstr(8000,8000));
32    INSERT INTO t1 VALUES(randstr(8000,8000));
33    INSERT INTO t1 VALUES(randstr(8000,8000));
34    INSERT INTO t1 VALUES(randstr(8000,8000));
35    CREATE VIEW v1 AS SELECT substr(x,10,10) FROM t1;
36    CREATE TABLE t2(a,b);
37    INSERT INTO t2 VALUES(1,2);
38    INSERT INTO t2 VALUES(2,4);
39    INSERT INTO t2 SELECT a+2, (a+2)*2 FROM t2;
40    INSERT INTO t2 SELECT a+4, (a+4)*2 FROM t2;
41    INSERT INTO t2 SELECT a+8, (a+8)*2 FROM t2;
42    INSERT INTO t2 SELECT a+16, (a+16)*2 FROM t2;
43    INSERT INTO t2 SELECT a+32, (a+32)*2 FROM t2;
44    INSERT INTO t2 SELECT a+64, (a+64)*2 FROM t2;
45    INSERT INTO t2 SELECT a+128, (a+128)*2 FROM t2;
46    CREATE INDEX t2i1 ON t2(a,b);
47    CREATE TRIGGER r1 AFTER INSERT ON t2 BEGIN
48      SELECT 'hello';
49    END;
50    ANALYZE;
51    PRAGMA integrity_check;
52  }
53} {ok}
54
55# Remember a check-sum on the database file.
56#
57unset -nocomplain cksum
58set cksum [dbcksum db main]
59
60# Make a backup of the test data.  Verify that the backup copy
61# is identical to the original.
62#
63do_test backup2-2 {
64  file delete -force bu1.db
65  db backup bu1.db
66  sqlite3 db2 bu1.db
67  dbcksum db2 main
68} $cksum
69
70# Delete the original.  Restore from backup.  Verify the content is
71# unchanged.
72#
73do_test backup2-3.1 {
74  db close
75  file delete -force test.db test.db-journal
76  sqlite3 db test.db
77  db2 eval {BEGIN EXCLUSIVE}
78  set rc [catch {db restore bu1.db} res]
79  lappend rc $res
80  db2 eval {ROLLBACK}
81  set rc
82} {1 {restore failed: source database busy}}
83do_test backup2-3.2 {
84  db close
85  file delete -force test.db test.db-journal
86  sqlite3 db test.db
87  db restore bu1.db
88  dbcksum db main
89} $cksum
90
91# Use alternative databases - other than "main".
92#
93do_test backup2-4 {
94  db restore temp bu1.db
95  dbcksum db temp
96} $cksum
97do_test backup2-5 {
98  db2 close
99  file delete -force bu1.db bu2.db
100  db backup temp bu2.db
101  sqlite3 db2 bu2.db
102  dbcksum db2 main
103} $cksum
104
105# Try to backup to a readonly file.
106#
107do_test backup2-6 {
108  db2 close
109  catch {file attributes bu2.db -permissions r--------}
110  catch {file attributes bu2.db -readonly 1}
111  set rc [catch {db backup temp bu2.db} res]
112  lappend rc $res
113} {1 {backup failed: attempt to write a readonly database}}
114
115# Try to backup to something that is not a database file.
116#
117do_test backup2-7 {
118  catch {file attributes bu2.db -readonly 0}
119  catch {file attributes bu2.db -permissions rw-------}
120  set out [open bu2.db w]
121  puts $out "This is not a valid database file"
122  close $out
123  set rc [catch {db backup temp bu2.db} res]
124  lappend rc $res
125} {1 {backup failed: file is encrypted or is not a database}}
126
127# Try to backup database that does not exist
128#
129do_test backup2-8 {
130  file delete -force bu1.db
131  set rc [catch {db backup aux1 bu1.db} res]
132  lappend rc $res
133} {1 {backup failed: unknown database aux1}}
134
135# Invalid syntax on the backup method
136#
137do_test backup2-9 {
138  set rc [catch {db backup} res]
139  lappend rc $res
140} {1 {wrong # args: should be "db backup ?DATABASE? FILENAME"}}
141
142# Try to restore from an unreadable file.
143#
144if {$tcl_platform(platform)=="windows"} {
145  do_test backup2-10 {
146    file delete -force bu3.db
147    file mkdir bu3.db
148    set rc [catch {db restore temp bu3.db} res]
149    lappend rc $res
150  } {1 {cannot open source database: unable to open database file}}
151}
152if {$tcl_platform(platform)!="windows"} {
153  do_test backup2-10 {
154    file delete -force bu3.db
155    file mkdir bu3.db
156    set rc [catch {db restore temp bu3.db} res]
157    lappend rc $res
158  } {1 {cannot open source database: disk I/O error}}
159}
160
161# Try to restore from something that is not a database file.
162#
163do_test backup2-11 {
164  set rc [catch {db restore temp bu2.db} res]
165  lappend rc $res
166} {1 {restore failed: file is encrypted or is not a database}}
167
168# Try to restore a database that does not exist
169#
170do_test backup2-12 {
171  set rc [catch {db restore aux1 bu2.db} res]
172  lappend rc $res
173} {1 {restore failed: unknown database aux1}}
174do_test backup2-13 {
175  file delete -force bu4.db
176  set rc [catch {db restore bu4.db} res]
177  lappend rc $res
178} {1 {cannot open source database: unable to open database file}}
179
180# Invalid syntax on the restore method
181#
182do_test backup2-14 {
183  set rc [catch {db restore} res]
184  lappend rc $res
185} {1 {wrong # args: should be "db restore ?DATABASE? FILENAME"}}
186
187file delete -force bu1.db bu2.db bu3.db bu4.db
188
189finish_test
190