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# 2001 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 $testdir/tester.tcl
set testprefix fkey7
ifcapable {!foreignkey} {
finish_test
return
}
do_execsql_test 1.1 {
PRAGMA foreign_keys = 1;
CREATE TABLE s1(a PRIMARY KEY, b);
CREATE TABLE par(a, b REFERENCES s1, c UNIQUE, PRIMARY KEY(a));
CREATE TABLE c1(a, b REFERENCES par);
CREATE TABLE c2(a, b REFERENCES par);
CREATE TABLE c3(a, b REFERENCES par(c));
}
proc auth {op tbl args} {
if {$op == "SQLITE_READ"} { set ::tbls($tbl) 1 }
return "SQLITE_OK"
}
db auth auth
db cache size 0
proc do_tblsread_test {tn sql tbllist} {
array unset ::tbls
uplevel [list execsql $sql]
uplevel [list do_test $tn {lsort [array names ::tbls]} $tbllist]
}
do_tblsread_test 1.2 { UPDATE par SET b=? WHERE a=? } {par s1}
do_tblsread_test 1.3 { UPDATE par SET a=? WHERE b=? } {c1 c2 par}
do_tblsread_test 1.4 { UPDATE par SET c=? WHERE b=? } {c3 par}
do_tblsread_test 1.5 { UPDATE par SET a=?,b=?,c=? WHERE b=? } {c1 c2 c3 par s1}
ifcapable incrblob {
do_execsql_test 2.0 {
CREATE TABLE pX(x PRIMARY KEY);
CREATE TABLE cX(a INTEGER PRIMARY KEY, b REFERENCES pX);
}
do_catchsql_test 2.1 {
INSERT INTO cX VALUES(11, zeroblob(40));
} {1 {FOREIGN KEY constraint failed}}
do_test 2.2 {
set stmt [sqlite3_prepare_v2 db "INSERT INTO cX VALUES(11, ?)" -1]
sqlite3_bind_zeroblob $stmt 1 45
sqlite3_step $stmt
sqlite3_finalize $stmt
} {SQLITE_CONSTRAINT}
}
ifcapable stat4 {
do_execsql_test 3.0 {
CREATE TABLE p4 (id INTEGER NOT NULL PRIMARY KEY);
INSERT INTO p4 VALUES(1), (2), (3);
CREATE TABLE c4(x INTEGER REFERENCES p4(id) DEFERRABLE INITIALLY DEFERRED);
CREATE INDEX c4_x ON c4(x);
INSERT INTO c4 VALUES(1), (2), (3);
ANALYZE;
INSERT INTO p4(id) VALUES(4);
}
}
do_execsql_test 4.0 {
PRAGMA foreign_keys = true;
CREATE TABLE parent(
p PRIMARY KEY
);
CREATE TABLE child(
c UNIQUE REFERENCES parent(p)
);
}
do_catchsql_test 4.1 {
INSERT OR FAIL INTO child VALUES(123), (123);
} {1 {FOREIGN KEY constraint failed}}
do_execsql_test 4.2 {
SELECT * FROM child;
} {}
do_execsql_test 4.3 {
PRAGMA foreign_key_check;
} {}
do_catchsql_test 4.4 {
INSERT INTO parent VALUES(123);
INSERT OR FAIL INTO child VALUES(123), (123);
} {1 {UNIQUE constraint failed: child.c}}
do_execsql_test 4.5 {
SELECT * FROM child;
} {123}
do_execsql_test 4.6 {
PRAGMA foreign_key_check;
} {}
finish_test
|
