sqlite/ext/session/sessionD.test

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# 2014 August 16
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file focuses on the sqlite3session_diff() function.
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source [file join [file dirname [info script]] session_common.tcl]
source $testdir/tester.tcl
ifcapable !session {finish_test; return}
set testprefix sessionD
proc scksum {db dbname} {
if {$dbname=="temp"} {
set master sqlite_temp_master
} else {
set master $dbname.sqlite_master
}
set alltab [$db eval "SELECT name FROM $master WHERE type='table'"]
set txt [$db eval "SELECT * FROM $master ORDER BY type,name,sql"]
foreach tab $alltab {
set cols [list]
db eval "PRAGMA $dbname.table_info = $tab" x {
lappend cols "quote($x(name))"
}
set cols [join $cols ,]
append txt [db eval "SELECT $cols FROM $tab ORDER BY $cols"]
}
return [md5 $txt]
}
proc do_diff_test {tn setup} {
reset_db
forcedelete test.db2
execsql { ATTACH 'test.db2' AS aux }
execsql $setup
sqlite3session S db main
foreach tbl [db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
S attach $tbl
S diff aux $tbl
}
set C [S changeset]
S delete
sqlite3 db2 test.db2
sqlite3changeset_apply db2 $C ""
uplevel do_test $tn.1 [list {execsql { PRAGMA integrity_check } db2}] ok
db2 close
set cksum [scksum db main]
uplevel do_test $tn.2 [list {scksum db aux}] [list $cksum]
}
# Ensure that the diff produced by comparing the current contents of [db]
# with itself is empty.
proc do_empty_diff_test {tn} {
forcedelete test.db2
forcecopy test.db test.db2
execsql { ATTACH 'test.db2' AS aux }
sqlite3session S db main
foreach tbl [db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
S attach $tbl
S diff aux $tbl
}
set ::C [S changeset]
S delete
uplevel [list do_test $tn {string length $::C} 0]
}
forcedelete test.db2
do_execsql_test 1.0 {
CREATE TABLE t2(a PRIMARY KEY, b);
INSERT INTO t2 VALUES(1, 'one');
INSERT INTO t2 VALUES(2, 'two');
ATTACH 'test.db2' AS aux;
CREATE TABLE aux.t2(a PRIMARY KEY, b);
}
do_test 1.1 {
sqlite3session S db main
S attach t2
S diff aux t2
set C [S changeset]
S delete
} {}
do_test 1.2 {
sqlite3 db2 test.db2
sqlite3changeset_apply db2 $C ""
db2 close
db eval { SELECT * FROM aux.t2 }
} {1 one 2 two}
do_diff_test 2.1 {
CREATE TABLE aux.t1(x, y, PRIMARY KEY(y));
CREATE TABLE t1(x, y, PRIMARY KEY(y));
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(NULL, 'xyz');
INSERT INTO t1 VALUES(4.5, 5.5);
}
do_diff_test 2.2 {
CREATE TABLE aux.t1(x, y, PRIMARY KEY(y));
CREATE TABLE t1(x, y, PRIMARY KEY(y));
INSERT INTO aux.t1 VALUES(1, 2);
INSERT INTO aux.t1 VALUES(NULL, 'xyz');
INSERT INTO aux.t1 VALUES(4.5, 5.5);
}
do_diff_test 2.3 {
CREATE TABLE aux.t1(a PRIMARY KEY, b TEXT);
CREATE TABLE t1(a PRIMARY KEY, b TEXT);
INSERT INTO aux.t1 VALUES(1, 'one');
INSERT INTO aux.t1 VALUES(2, 'two');
INSERT INTO aux.t1 VALUES(3, 'three');
INSERT INTO t1 VALUES(1, 'I');
INSERT INTO t1 VALUES(2, 'two');
INSERT INTO t1 VALUES(3, 'III');
}
do_diff_test 2.4 {
CREATE TABLE aux.t1(a, b, c, d, PRIMARY KEY(c, b, a));
CREATE TABLE t1(a, b, c, d, PRIMARY KEY(c, b, a));
INSERT INTO t1 VALUES('hvkzyipambwdqlvwv','',-458331.50,X'DA51ED5E84');
INSERT INTO t1 VALUES(X'C5C6B5DD','jjxrath',40917,830244);
INSERT INTO t1 VALUES(-204877.54,X'1704C253D5F3AFA8',155120.88,NULL);
INSERT INTO t1
VALUES('ckmqmzoeuvxisxqy',X'EB5A5D3A1DD22FD1','tidhjcbvbppdt',-642987.37);
INSERT INTO t1 VALUES(-851726,-161992,-469943,-159541);
INSERT INTO t1 VALUES(X'4A6A667F858938',185083,X'7A',NULL);
INSERT INTO aux.t1 VALUES(415075.74,'auawczkb',X'',X'57B4FAAF2595');
INSERT INTO aux.t1 VALUES(727637,711560,-181340,'hphuo');
INSERT INTO aux.t1
VALUES(-921322.81,662959,'lvlgwdgxaurr','ajjrzrbhqflsutnymgc');
INSERT INTO aux.t1 VALUES(-146061,-377892,X'4E','gepvpvvuhszpxabbb');
INSERT INTO aux.t1 VALUES(-851726,-161992,-469943,-159541);
INSERT INTO aux.t1 VALUES(X'4A6A667F858938',185083,X'7A',NULL);
INSERT INTO aux.t1 VALUES(-204877.54,X'1704C253D5F3AFA8',155120.88, 4);
INSERT INTO aux.t1
VALUES('ckmqmzoeuvxisxqy',X'EB5A5D3A1DD22FD1','tidgtsplhjcbvbppdt',-642987.3);
}
reset_db
do_execsql_test 3.0 {
CREATE TABLE t1(a, b, c, PRIMARY KEY(a));
INSERT INTO t1 VALUES(1, 2, 3);
INSERT INTO t1 VALUES(4, 5, 6);
INSERT INTO t1 VALUES(7, 8, 9);
CREATE TABLE t2(a, b, c, PRIMARY KEY(a, b));
INSERT INTO t2 VALUES(1, 2, 3);
INSERT INTO t2 VALUES(4, 5, 6);
INSERT INTO t2 VALUES(7, 8, 9);
CREATE TABLE t3(a, b, c, PRIMARY KEY(a, b, c));
INSERT INTO t3 VALUES(1, 2, 3);
INSERT INTO t3 VALUES(4, 5, 6);
INSERT INTO t3 VALUES(7, 8, 9);
}
do_empty_diff_test 3.1
#-------------------------------------------------------------------------
# Test some error cases:
#
# 1) schema mismatches between the two dbs, and
# 2) tables with no primary keys. This is not actually an error, but
# should not add any changes to the session object.
#
reset_db
forcedelete test.db2
do_execsql_test 4.0 {
ATTACH 'test.db2' AS ixua;
CREATE TABLE ixua.t1(a, b, c);
CREATE TABLE main.t1(a, b, c);
INSERT INTO main.t1 VALUES(1, 2, 3);
CREATE TABLE ixua.t2(a PRIMARY KEY, b, c);
CREATE TABLE main.t2(a PRIMARY KEY, b, x);
}
do_test 4.1.1 {
sqlite3session S db main
S attach t1
list [catch { S diff ixua t1 } msg] $msg
} {0 {}}
do_test 4.1.2 {
string length [S changeset]
} {0}
S delete
do_test 4.2.2 {
sqlite3session S db main
S attach t2
list [catch { S diff ixua t2 } msg] $msg
} {1 {SQLITE_SCHEMA - table schemas do not match}}
S delete
finish_test