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# 2016 March 30
#
# 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 implements regression tests for the sessions module.
# Specifically, it tests that UNIQUE constraints are dealt with correctly.
#
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 sessionG
forcedelete test.db2
sqlite3 db2 test.db2
do_test 1.0 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(1, 'one');
INSERT INTO t1 VALUES(2, 'two');
INSERT INTO t1 VALUES(3, 'three');
}
do_then_apply_sql {
DELETE FROM t1 WHERE a=1;
INSERT INTO t1 VALUES(4, 'one');
}
compare_db db db2
} {}
do_test 1.1 {
do_then_apply_sql {
DELETE FROM t1 WHERE a=4;
INSERT INTO t1 VALUES(1, 'one');
}
compare_db db db2
} {}
do_test 1.2 {
execsql { INSERT INTO t1 VALUES(5, 'five') } db2
do_then_apply_sql {
INSERT INTO t1 VALUES(11, 'eleven');
INSERT INTO t1 VALUES(12, 'five');
}
execsql { SELECT * FROM t1 } db2
} {2 two 3 three 1 one 5 five 11 eleven}
do_test 1.3 {
execsql { SELECT * FROM t1 }
} {2 two 3 three 1 one 11 eleven 12 five}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 2.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE, c UNIQUE);
INSERT INTO t1 VALUES(1, 1, 1);
INSERT INTO t1 VALUES(2, 2, 2);
INSERT INTO t1 VALUES(3, 3, 3);
}
} {}
do_test 2.2.1 {
# It is not possible to apply the changeset generated by the following
# SQL, as none of the three updated rows may be updated as part of the
# first pass.
do_then_apply_sql {
UPDATE t1 SET b=0 WHERE a=1;
UPDATE t1 SET b=1 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=1;
}
db2 eval { SELECT a, b FROM t1 }
} {1 1 2 2 3 3}
do_test 2.2.2 { db eval { SELECT a, b FROM t1 } } {1 3 2 1 3 2}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 3.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE, c UNIQUE);
INSERT INTO t1 VALUES(1, 1, 1);
INSERT INTO t1 VALUES(2, 2, 2);
INSERT INTO t1 VALUES(3, 3, 3);
}
} {}
do_test 3.3 {
do_then_apply_sql {
UPDATE t1 SET b=4 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=1;
}
compare_db db db2
} {}
do_test 3.4 {
do_then_apply_sql {
UPDATE t1 SET b=1 WHERE a=1;
UPDATE t1 SET b=2 WHERE a=2;
UPDATE t1 SET b=3 WHERE a=3;
}
compare_db db db2
} {}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 4.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(1, 1);
INSERT INTO t1 VALUES(2, 2);
INSERT INTO t1 VALUES(3, 3);
CREATE TABLE t2(a PRIMARY KEY, b UNIQUE);
INSERT INTO t2 VALUES(1, 1);
INSERT INTO t2 VALUES(2, 2);
INSERT INTO t2 VALUES(3, 3);
}
} {}
do_test 4.2 {
do_then_apply_sql {
UPDATE t1 SET b=4 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=1;
UPDATE t2 SET b=0 WHERE a=1;
UPDATE t2 SET b=1 WHERE a=2;
UPDATE t2 SET b=2 WHERE a=3;
}
compare_db db db2
} {}
do_test 4.3 {
do_then_apply_sql {
UPDATE t1 SET b=1 WHERE a=1;
UPDATE t1 SET b=2 WHERE a=2;
UPDATE t1 SET b=3 WHERE a=3;
UPDATE t2 SET b=3 WHERE a=3;
UPDATE t2 SET b=2 WHERE a=2;
UPDATE t2 SET b=1 WHERE a=1;
}
compare_db db db2
} {}
finish_test
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