219 lines
6.9 KiB
Plaintext
219 lines
6.9 KiB
Plaintext
# 2010 November 29
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file implements tests to verify that the "testable statements" in
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# the lang_droptrigger.html document are correct.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix e_droptrigger
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ifcapable !trigger { finish_test ; return }
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proc do_droptrigger_tests {nm args} {
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uplevel do_select_tests [list e_createtable-$nm] $args
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}
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proc list_all_triggers {{db db}} {
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set res [list]
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$db eval { PRAGMA database_list } {
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if {$name == "temp"} {
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set tbl sqlite_temp_master
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} else {
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set tbl "$name.sqlite_master"
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}
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lappend res {*}[
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db eval "SELECT '$name.' || name FROM $tbl WHERE type = 'trigger'"
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]
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}
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set res
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}
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proc droptrigger_reopen_db {{event INSERT}} {
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db close
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forcedelete test.db test.db2
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sqlite3 db test.db
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set ::triggers_fired [list]
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proc r {x} { lappend ::triggers_fired $x }
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db func r r
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db eval "
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ATTACH 'test.db2' AS aux;
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CREATE TEMP TABLE t1(a, b);
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INSERT INTO t1 VALUES('a', 'b');
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CREATE TRIGGER tr1 AFTER $event ON t1 BEGIN SELECT r('temp.tr1') ; END;
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CREATE TABLE t2(a, b);
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INSERT INTO t2 VALUES('a', 'b');
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CREATE TRIGGER tr1 BEFORE $event ON t2 BEGIN SELECT r('main.tr1') ; END;
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CREATE TRIGGER tr2 AFTER $event ON t2 BEGIN SELECT r('main.tr2') ; END;
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CREATE TABLE aux.t3(a, b);
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INSERT INTO t3 VALUES('a', 'b');
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CREATE TRIGGER aux.tr1 BEFORE $event ON t3 BEGIN SELECT r('aux.tr1') ; END;
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CREATE TRIGGER aux.tr2 AFTER $event ON t3 BEGIN SELECT r('aux.tr2') ; END;
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CREATE TRIGGER aux.tr3 AFTER $event ON t3 BEGIN SELECT r('aux.tr3') ; END;
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"
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}
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# -- syntax diagram drop-trigger-stmt
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#
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do_droptrigger_tests 1.1 -repair {
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droptrigger_reopen_db
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} -tclquery {
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list_all_triggers
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} {
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1 "DROP TRIGGER main.tr1"
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{main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3}
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2 "DROP TRIGGER IF EXISTS main.tr1"
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{main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3}
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3 "DROP TRIGGER tr1"
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{main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3}
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4 "DROP TRIGGER IF EXISTS tr1"
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{main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3}
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5 "DROP TRIGGER aux.tr1"
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{main.tr1 main.tr2 temp.tr1 aux.tr2 aux.tr3}
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6 "DROP TRIGGER IF EXISTS aux.tr1"
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{main.tr1 main.tr2 temp.tr1 aux.tr2 aux.tr3}
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7 "DROP TRIGGER IF EXISTS aux.xxx"
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{main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3}
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8 "DROP TRIGGER IF EXISTS aux.xxx"
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{main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3}
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}
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# EVIDENCE-OF: R-61172-15671 The DROP TRIGGER statement removes a
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# trigger created by the CREATE TRIGGER statement.
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#
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foreach {tn tbl droptrigger before after} {
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1 t1 "DROP TRIGGER tr1" {temp.tr1} {}
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2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2}
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3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1}
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5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1}
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6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1}
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8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2}
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9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2}
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} {
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do_test 2.$tn.1 {
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droptrigger_reopen_db
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execsql " INSERT INTO $tbl VALUES('1', '2') "
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set ::triggers_fired
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} $before
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do_test 2.$tn.2 {
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droptrigger_reopen_db
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execsql $droptrigger
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execsql " INSERT INTO $tbl VALUES('1', '2') "
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set ::triggers_fired
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} $after
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}
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# EVIDENCE-OF: R-50239-29811 Once removed, the trigger definition is no
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# longer present in the sqlite_master (or sqlite_temp_master) table and
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# is not fired by any subsequent INSERT, UPDATE or DELETE statements.
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#
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# Test cases e_droptrigger-1.* test the first part of this statement
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# (that dropped triggers do not appear in the schema table), and tests
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# droptrigger-2.* test that dropped triggers are not fired by INSERT
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# statements. The following tests verify that they are not fired by
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# UPDATE or DELETE statements.
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#
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foreach {tn tbl droptrigger before after} {
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1 t1 "DROP TRIGGER tr1" {temp.tr1} {}
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2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2}
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3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1}
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5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1}
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6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1}
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8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2}
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9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2}
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} {
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do_test 3.1.$tn.1 {
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droptrigger_reopen_db UPDATE
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execsql "UPDATE $tbl SET a = 'abc'"
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set ::triggers_fired
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} $before
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do_test 3.1.$tn.2 {
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droptrigger_reopen_db UPDATE
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execsql $droptrigger
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execsql "UPDATE $tbl SET a = 'abc'"
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set ::triggers_fired
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} $after
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}
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foreach {tn tbl droptrigger before after} {
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1 t1 "DROP TRIGGER tr1" {temp.tr1} {}
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2 t2 "DROP TRIGGER tr1" {main.tr1 main.tr2} {main.tr1 main.tr2}
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3 t3 "DROP TRIGGER tr1" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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4 t1 "DROP TRIGGER tr2" {temp.tr1} {temp.tr1}
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5 t2 "DROP TRIGGER tr2" {main.tr1 main.tr2} {main.tr1}
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6 t3 "DROP TRIGGER tr2" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr3 aux.tr2}
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7 t1 "DROP TRIGGER tr3" {temp.tr1} {temp.tr1}
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8 t2 "DROP TRIGGER tr3" {main.tr1 main.tr2} {main.tr1 main.tr2}
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9 t3 "DROP TRIGGER tr3" {aux.tr1 aux.tr3 aux.tr2} {aux.tr1 aux.tr2}
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} {
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do_test 3.2.$tn.1 {
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droptrigger_reopen_db DELETE
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execsql "DELETE FROM $tbl"
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set ::triggers_fired
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} $before
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do_test 3.2.$tn.2 {
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droptrigger_reopen_db DELETE
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execsql $droptrigger
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execsql "DELETE FROM $tbl"
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set ::triggers_fired
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} $after
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}
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# EVIDENCE-OF: R-37808-62273 Note that triggers are automatically
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# dropped when the associated table is dropped.
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#
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do_test 4.1 {
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droptrigger_reopen_db
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list_all_triggers
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} {main.tr1 main.tr2 temp.tr1 aux.tr1 aux.tr2 aux.tr3}
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do_test 4.2 {
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droptrigger_reopen_db
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execsql "DROP TABLE t1"
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list_all_triggers
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} {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3}
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do_test 4.3 {
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droptrigger_reopen_db
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execsql "DROP TABLE t1"
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list_all_triggers
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} {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3}
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do_test 4.4 {
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droptrigger_reopen_db
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execsql "DROP TABLE t1"
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list_all_triggers
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} {main.tr1 main.tr2 aux.tr1 aux.tr2 aux.tr3}
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finish_test
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