# 2009 September 15
#
# 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 SQLite library.
#
# This file implements tests for foreign keys.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!foreignkey||!trigger} {
finish_test
return
}
set testprefix fkey3
# Create a table and some data to work with.
#
do_test fkey3-1.1 {
execsql {
PRAGMA foreign_keys=ON;
CREATE TABLE t1(x INTEGER PRIMARY KEY);
INSERT INTO t1 VALUES(100);
INSERT INTO t1 VALUES(101);
CREATE TABLE t2(y INTEGER REFERENCES t1 (x));
INSERT INTO t2 VALUES(100);
INSERT INTO t2 VALUES(101);
SELECT 1, x FROM t1;
SELECT 2, y FROM t2;
}
} {1 100 1 101 2 100 2 101}
do_test fkey3-1.2 {
catchsql {
DELETE FROM t1 WHERE x=100;
}
} {1 {FOREIGN KEY constraint failed}}
do_test fkey3-1.3 {
catchsql {
DROP TABLE t1;
}
} {1 {FOREIGN KEY constraint failed}}
do_test fkey3-1.4 {
execsql {
DROP TABLE t2;
}
} {}
do_test fkey3-1.5 {
execsql {
DROP TABLE t1;
}
} {}
do_test fkey3-2.1 {
execsql {
PRAGMA foreign_keys=ON;
CREATE TABLE t1(x INTEGER PRIMARY KEY);
INSERT INTO t1 VALUES(100);
INSERT INTO t1 VALUES(101);
CREATE TABLE t2(y INTEGER PRIMARY KEY REFERENCES t1 (x) ON UPDATE SET NULL);
}
execsql {
INSERT INTO t2 VALUES(100);
INSERT INTO t2 VALUES(101);
SELECT 1, x FROM t1;
SELECT 2, y FROM t2;
}
} {1 100 1 101 2 100 2 101}
#-------------------------------------------------------------------------
# The following tests - fkey-3.* - test some edge cases to do with
# inserting rows into tables that have foreign keys where the parent
# table is the same as the child table. Especially cases where the
# new row being inserted matches itself.
#
do_execsql_test 3.1.1 {
CREATE TABLE t3(a, b, c, d,
UNIQUE(a, b),
FOREIGN KEY(c, d) REFERENCES t3(a, b)
);
INSERT INTO t3 VALUES(1, 2, 1, 2);
} {}
do_catchsql_test 3.1.2 {
INSERT INTO t3 VALUES(NULL, 2, 5, 2);
} {1 {FOREIGN KEY constraint failed}}
do_catchsql_test 3.1.3 {
INSERT INTO t3 VALUES(NULL, 3, 5, 2);
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.2.1 {
CREATE TABLE t4(a UNIQUE, b REFERENCES t4(a));
}
do_catchsql_test 3.2.2 {
INSERT INTO t4 VALUES(NULL, 1);
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.3.1 {
CREATE TABLE t5(a INTEGER PRIMARY KEY, b REFERENCES t5(a));
INSERT INTO t5 VALUES(NULL, 1);
} {}
do_catchsql_test 3.3.2 {
INSERT INTO t5 VALUES(NULL, 3);
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.4.1 {
CREATE TABLE t6(a INTEGER PRIMARY KEY, b, c, d,
FOREIGN KEY(c, d) REFERENCES t6(a, b)
);
CREATE UNIQUE INDEX t6i ON t6(b, a);
}
do_execsql_test 3.4.2 { INSERT INTO t6 VALUES(NULL, 'a', 1, 'a'); } {}
do_execsql_test 3.4.3 { INSERT INTO t6 VALUES(2, 'a', 2, 'a'); } {}
do_execsql_test 3.4.4 { INSERT INTO t6 VALUES(NULL, 'a', 1, 'a'); } {}
do_execsql_test 3.4.5 { INSERT INTO t6 VALUES(5, 'a', 2, 'a'); } {}
do_catchsql_test 3.4.6 {
INSERT INTO t6 VALUES(NULL, 'a', 65, 'a');
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.4.7 {
INSERT INTO t6 VALUES(100, 'one', 100, 'one');
DELETE FROM t6 WHERE a = 100;
}
do_execsql_test 3.4.8 {
INSERT INTO t6 VALUES(100, 'one', 100, 'one');
UPDATE t6 SET c = 1, d = 'a' WHERE a = 100;
DELETE FROM t6 WHERE a = 100;
}
do_execsql_test 3.5.1 {
CREATE TABLE t7(a, b, c, d INTEGER PRIMARY KEY,
FOREIGN KEY(c, d) REFERENCES t7(a, b)
);
CREATE UNIQUE INDEX t7i ON t7(a, b);
}
do_execsql_test 3.5.2 { INSERT INTO t7 VALUES('x', 1, 'x', NULL) } {}
do_execsql_test 3.5.3 { INSERT INTO t7 VALUES('x', 2, 'x', 2) } {}
do_catchsql_test 3.5.4 {
INSERT INTO t7 VALUES('x', 450, 'x', NULL);
} {1 {FOREIGN KEY constraint failed}}
do_catchsql_test 3.5.5 {
INSERT INTO t7 VALUES('x', 450, 'x', 451);
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.6.1 {
CREATE TABLE t8(a, b, c, d, e, FOREIGN KEY(c, d) REFERENCES t8(a, b));
CREATE UNIQUE INDEX t8i1 ON t8(a, b);
CREATE UNIQUE INDEX t8i2 ON t8(c);
INSERT INTO t8 VALUES(1, 1, 1, 1, 1);
}
do_catchsql_test 3.6.2 {
UPDATE t8 SET d = 2;
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 3.6.3 { UPDATE t8 SET d = 1; }
do_execsql_test 3.6.4 { UPDATE t8 SET e = 2; }
do_catchsql_test 3.6.5 {
CREATE TABLE TestTable (
id INTEGER PRIMARY KEY,
name text,
source_id integer not null,
parent_id integer,
foreign key(source_id, parent_id) references TestTable(source_id, id)
);
CREATE UNIQUE INDEX testindex on TestTable(source_id, id);
PRAGMA foreign_keys=1;
INSERT INTO TestTable VALUES (1, 'parent', 1, null);
INSERT INTO TestTable VALUES (2, 'child', 1, 1);
UPDATE TestTable SET parent_id=1000 where id=2;
} {1 {FOREIGN KEY constraint failed}}
finish_test