sqlite/test/hook.test

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# 2003 April 3
#
# 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 TCL interface to the
# SQLite library.
#
# The focus of the tests in this file is the following interface:
#
# sqlite_begin_hook
# sqlite_commit_hook
#
# $Id: hook.test,v 1.1 2003/04/03 15:46:05 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test hook-1.1 {
db begin_hook
} {}
do_test hook-1.2 {
db commit_hook
} {}
do_test hook-2.1 {
set begin_cnt 0
proc begin_hook {} {
incr ::begin_cnt
return 0
}
db begin_hook begin_hook
db begin_hook
} {begin_hook}
do_test hook-2.2 {
set begin_cnt
} {0}
do_test hook-2.3 {
execsql {
CREATE TABLE t1(a,b);
}
set begin_cnt
} {1}
do_test hook-2.4 {
execsql {
INSERT INTO t1 VALUES(1,2);
INSERT INTO t1 SELECT a+1, b+1 FROM t1;
INSERT INTO t1 SELECT a+2, b+2 FROM t1;
}
set begin_cnt
} {4}
do_test hook-2.5 {
execsql {
SELECT * FROM t1
}
} {1 2 2 3 3 4 4 5}
do_test hook-2.6 {
set begin_cnt
} {4}
do_test hook-2.7 {
proc begin_hook {} {
incr ::begin_cnt
return 1
}
catchsql {
INSERT INTO t1 VALUES(9,10);
}
} {1 {constraint failed}}
do_test hook-2.8 {
set begin_cnt
} {5}
do_test hook-2.9 {
execsql {
SELECT * FROM t1;
}
} {1 2 2 3 3 4 4 5}
do_test hook-2.10 {
db begin_hook {}
db begin_hook
} {}
do_test hook-2.11 {
execsql {
INSERT INTO t1 VALUES(9,10);
SELECT * FROM t1
}
} {1 2 2 3 3 4 4 5 9 10}
do_test hook-3.1 {
set commit_cnt 0
proc commit_hook {} {
incr ::commit_cnt
return 0
}
db commit_hook ::commit_hook
db commit_hook
} {::commit_hook}
do_test hook-3.2 {
set commit_cnt
} {0}
do_test hook-3.3 {
execsql {
CREATE TABLE t2(a,b);
}
set commit_cnt
} {1}
do_test hook-3.4 {
execsql {
INSERT INTO t2 VALUES(1,2);
INSERT INTO t2 SELECT a+1, b+1 FROM t2;
INSERT INTO t2 SELECT a+2, b+2 FROM t2;
}
set commit_cnt
} {4}
do_test hook-3.5 {
set commit_cnt {}
proc commit_hook {} {
set ::commit_cnt [execsql {SELECT * FROM t2}]
return 0
}
execsql {
INSERT INTO t2 VALUES(5,6);
}
set commit_cnt
} {1 2 2 3 3 4 4 5 5 6}
do_test hook-3.6 {
set commit_cnt {}
proc commit_hook {} {
set ::commit_cnt [execsql {SELECT * FROM t2}]
return 1
}
catchsql {
INSERT INTO t2 VALUES(6,7);
}
} {1 {constraint failed}}
do_test hook-3.7 {
set commit_cnt
} {1 2 2 3 3 4 4 5 5 6 6 7}
do_test hook-3.8 {
execsql {SELECT * FROM t2}
} {1 2 2 3 3 4 4 5 5 6}
finish_test