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1 # 2005 August 18 |
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2 # |
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3 # The author disclaims copyright to this source code. In place of |
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4 # a legal notice, here is a blessing: |
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5 # |
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6 # May you do good and not evil. |
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7 # May you find forgiveness for yourself and forgive others. |
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8 # May you share freely, never taking more than you give. |
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9 # |
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10 #*********************************************************************** |
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11 # This file implements regression tests for SQLite library. |
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12 # |
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13 # This file implements tests to increase coverage of trigger.c. |
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14 # |
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15 # $Id: trigger7.test,v 1.3 2008/08/11 18:44:58 drh Exp $ |
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16 |
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17 set testdir [file dirname $argv0] |
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18 source $testdir/tester.tcl |
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19 ifcapable {!trigger} { |
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20 finish_test |
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21 return |
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22 } |
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23 |
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24 |
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25 # Error messages resulting from qualified trigger names. |
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26 # |
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27 do_test trigger7-1.1 { |
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28 execsql { |
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29 CREATE TABLE t1(x, y); |
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30 } |
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31 catchsql { |
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32 CREATE TEMP TRIGGER main.r1 AFTER INSERT ON t1 BEGIN |
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33 SELECT 'no nothing'; |
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34 END |
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35 } |
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36 } {1 {temporary trigger may not have qualified name}} |
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37 do_test trigger7-1.2 { |
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38 catchsql { |
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39 CREATE TRIGGER not_a_db.r1 AFTER INSERT ON t1 BEGIN |
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40 SELECT 'no nothing'; |
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41 END |
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42 } |
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43 } {1 {unknown database not_a_db}} |
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44 |
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45 |
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46 # When the UPDATE OF syntax is used, no code is generated for triggers |
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47 # that do not match the update columns. |
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48 # |
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49 ifcapable explain { |
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50 do_test trigger7-2.1 { |
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51 execsql { |
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52 CREATE TRIGGER r1 AFTER UPDATE OF x ON t1 BEGIN |
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53 SELECT '___update_t1.x___'; |
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54 END; |
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55 CREATE TRIGGER r2 AFTER UPDATE OF y ON t1 BEGIN |
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56 SELECT '___update_t1.y___'; |
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57 END; |
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58 } |
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59 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] |
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60 string match *___update_t1.x___* $txt |
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61 } 1 |
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62 do_test trigger7-2.2 { |
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63 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] |
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64 string match *___update_t1.y___* $txt |
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65 } 0 |
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66 do_test trigger7-2.3 { |
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67 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] |
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68 string match *___update_t1.x___* $txt |
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69 } 0 |
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70 do_test trigger7-2.4 { |
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71 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] |
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72 string match *___update_t1.y___* $txt |
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73 } 1 |
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74 do_test trigger7-2.5 { |
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75 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] |
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76 string match *___update_t1.x___* $txt |
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77 } 0 |
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78 do_test trigger7-2.6 { |
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79 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] |
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80 string match *___update_t1.x___* $txt |
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81 } 0 |
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82 } |
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83 |
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84 # Test the ability to create many triggers on the same table, then |
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85 # selectively drop those triggers. |
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86 # |
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87 do_test trigger7-3.1 { |
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88 execsql { |
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89 CREATE TABLE t2(x,y,z); |
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90 CREATE TRIGGER t2r1 AFTER INSERT ON t2 BEGIN SELECT 1; END; |
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91 CREATE TRIGGER t2r2 BEFORE INSERT ON t2 BEGIN SELECT 1; END; |
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92 CREATE TRIGGER t2r3 AFTER UPDATE ON t2 BEGIN SELECT 1; END; |
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93 CREATE TRIGGER t2r4 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; |
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94 CREATE TRIGGER t2r5 AFTER DELETE ON t2 BEGIN SELECT 1; END; |
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95 CREATE TRIGGER t2r6 BEFORE DELETE ON t2 BEGIN SELECT 1; END; |
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96 CREATE TRIGGER t2r7 AFTER INSERT ON t2 BEGIN SELECT 1; END; |
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97 CREATE TRIGGER t2r8 BEFORE INSERT ON t2 BEGIN SELECT 1; END; |
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98 CREATE TRIGGER t2r9 AFTER UPDATE ON t2 BEGIN SELECT 1; END; |
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99 CREATE TRIGGER t2r10 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; |
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100 CREATE TRIGGER t2r11 AFTER DELETE ON t2 BEGIN SELECT 1; END; |
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101 CREATE TRIGGER t2r12 BEFORE DELETE ON t2 BEGIN SELECT 1; END; |
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102 DROP TRIGGER t2r6; |
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103 } |
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104 } {} |
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105 |
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106 # This test corrupts the database file so it must be the last test |
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107 # in the series. |
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108 # |
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109 do_test trigger7-99.1 { |
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110 execsql { |
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111 PRAGMA writable_schema=on; |
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112 UPDATE sqlite_master SET sql='nonsense'; |
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113 } |
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114 db close |
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115 sqlite3 db test.db |
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116 catchsql { |
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117 DROP TRIGGER t2r5 |
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118 } |
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119 } {1 {malformed database schema (t2r12) - near "nonsense": syntax error}} |
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120 |
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121 finish_test |