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Annotation of embedaddon/sqlite3/test/trigger7.test, revision 1.1

1.1     ! misho       1: # 2005 August 18
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: # This file implements regression tests for SQLite library.
        !            12: #
        !            13: # This file implements tests to increase coverage of trigger.c.
        !            14: #
        !            15: # $Id: trigger7.test,v 1.3 2008/08/11 18:44:58 drh Exp $
        !            16: 
        !            17: set testdir [file dirname $argv0]
        !            18: source $testdir/tester.tcl
        !            19: ifcapable {!trigger} {
        !            20:   finish_test
        !            21:   return
        !            22: }
        !            23: 
        !            24: 
        !            25: # Error messages resulting from qualified trigger names.
        !            26: #
        !            27: do_test trigger7-1.1 {
        !            28:   execsql {
        !            29:     CREATE TABLE t1(x, y);
        !            30:   }
        !            31:   catchsql {
        !            32:     CREATE TEMP TRIGGER main.r1 AFTER INSERT ON t1 BEGIN
        !            33:       SELECT 'no nothing';
        !            34:     END
        !            35:   }
        !            36: } {1 {temporary trigger may not have qualified name}}
        !            37: do_test trigger7-1.2 {
        !            38:   catchsql {
        !            39:     CREATE TRIGGER not_a_db.r1 AFTER INSERT ON t1 BEGIN
        !            40:       SELECT 'no nothing';
        !            41:     END
        !            42:   }
        !            43: } {1 {unknown database not_a_db}}
        !            44: 
        !            45: 
        !            46: # When the UPDATE OF syntax is used, no code is generated for triggers
        !            47: # that do not match the update columns.
        !            48: #
        !            49: ifcapable explain {
        !            50:   do_test trigger7-2.1 {
        !            51:     execsql {
        !            52:       CREATE TRIGGER r1 AFTER UPDATE OF x ON t1 BEGIN
        !            53:         SELECT '___update_t1.x___';
        !            54:       END;
        !            55:       CREATE TRIGGER r2 AFTER UPDATE OF y ON t1 BEGIN
        !            56:         SELECT '___update_t1.y___';
        !            57:       END;
        !            58:     }
        !            59:     set txt [db eval {EXPLAIN UPDATE t1 SET x=5}]
        !            60:     string match *___update_t1.x___* $txt
        !            61:   } 1
        !            62:   do_test trigger7-2.2 {
        !            63:     set txt [db eval {EXPLAIN UPDATE t1 SET x=5}]
        !            64:     string match *___update_t1.y___* $txt
        !            65:   } 0
        !            66:   do_test trigger7-2.3 {
        !            67:     set txt [db eval {EXPLAIN UPDATE t1 SET y=5}]
        !            68:     string match *___update_t1.x___* $txt
        !            69:   } 0
        !            70:   do_test trigger7-2.4 {
        !            71:     set txt [db eval {EXPLAIN UPDATE t1 SET y=5}]
        !            72:     string match *___update_t1.y___* $txt
        !            73:   } 1
        !            74:   do_test trigger7-2.5 {
        !            75:     set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}]
        !            76:     string match *___update_t1.x___* $txt
        !            77:   } 0
        !            78:   do_test trigger7-2.6 {
        !            79:     set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}]
        !            80:     string match *___update_t1.x___* $txt
        !            81:   } 0
        !            82: }
        !            83: 
        !            84: # Test the ability to create many triggers on the same table, then
        !            85: # selectively drop those triggers.
        !            86: #
        !            87: do_test trigger7-3.1 {
        !            88:   execsql {
        !            89:     CREATE TABLE t2(x,y,z);
        !            90:     CREATE TRIGGER t2r1 AFTER INSERT ON t2 BEGIN SELECT 1; END;
        !            91:     CREATE TRIGGER t2r2 BEFORE INSERT ON t2 BEGIN SELECT 1; END;
        !            92:     CREATE TRIGGER t2r3 AFTER UPDATE ON t2 BEGIN SELECT 1; END;
        !            93:     CREATE TRIGGER t2r4 BEFORE UPDATE ON t2 BEGIN SELECT 1; END;
        !            94:     CREATE TRIGGER t2r5 AFTER DELETE ON t2 BEGIN SELECT 1; END;
        !            95:     CREATE TRIGGER t2r6 BEFORE DELETE ON t2 BEGIN SELECT 1; END;
        !            96:     CREATE TRIGGER t2r7 AFTER INSERT ON t2 BEGIN SELECT 1; END;
        !            97:     CREATE TRIGGER t2r8 BEFORE INSERT ON t2 BEGIN SELECT 1; END;
        !            98:     CREATE TRIGGER t2r9 AFTER UPDATE ON t2 BEGIN SELECT 1; END;
        !            99:     CREATE TRIGGER t2r10 BEFORE UPDATE ON t2 BEGIN SELECT 1; END;
        !           100:     CREATE TRIGGER t2r11 AFTER DELETE ON t2 BEGIN SELECT 1; END;
        !           101:     CREATE TRIGGER t2r12 BEFORE DELETE ON t2 BEGIN SELECT 1; END;
        !           102:     DROP TRIGGER t2r6;
        !           103:   }
        !           104: } {}
        !           105: 
        !           106: # This test corrupts the database file so it must be the last test
        !           107: # in the series.
        !           108: #
        !           109: do_test trigger7-99.1 {
        !           110:   execsql {
        !           111:     PRAGMA writable_schema=on;
        !           112:     UPDATE sqlite_master SET sql='nonsense';
        !           113:   }
        !           114:   db close
        !           115:   catch { sqlite3 db test.db }
        !           116:   catchsql { DROP TRIGGER t2r5 }
        !           117: } {1 {malformed database schema (t2r12) - near "nonsense": syntax error}}
        !           118: 
        !           119: finish_test