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| 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 |
| 18 set testdir [file dirname $argv0] |
| 19 source $testdir/tester.tcl |
| 20 |
| 21 do_not_use_codec |
| 22 |
| 23 ifcapable !trigger||!view { finish_test ; return } |
| 24 |
| 25 # Fill a database with test data. |
| 26 # |
| 27 do_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 # |
| 57 unset -nocomplain cksum |
| 58 set 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 # |
| 63 do_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 # |
| 73 do_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}} |
| 83 do_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 # |
| 93 do_test backup2-4 { |
| 94 db restore temp bu1.db |
| 95 dbcksum db temp |
| 96 } $cksum |
| 97 do_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 # |
| 107 do_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 # |
| 117 do_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 # |
| 129 do_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 # |
| 137 do_test backup2-9 { |
| 138 set rc [catch {db backup} res] |
| 139 lappend rc $res |
| 140 } {1 {wrong # args: should be "db backup ?DATABASE? FILENAME"}} |
| 141 |
| 142 # Try to restore from an unreadable file. |
| 143 # |
| 144 if {$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 $res |
| 150 } {1 {cannot open source database: unable to open database file}} |
| 151 } |
| 152 if {$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 # |
| 163 do_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 # |
| 170 do_test backup2-12 { |
| 171 set rc [catch {db restore aux1 bu2.db} res] |
| 172 lappend rc $res |
| 173 } {1 {restore failed: unknown database aux1}} |
| 174 do_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 # |
| 182 do_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 |
| 187 file delete -force bu1.db bu2.db bu3.db bu4.db |
| 188 |
| 189 finish_test |
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