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Annotation of embedaddon/sqlite3/test/trigger7.test, revision 1.1.1.1

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