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Comment:Test a couple of the examples in foreignkeys.html.
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SHA1: a2fb7902c01f8b095b25d338fc2f23cb26c941d9
User & Date: dan 2009-10-08 19:02:51.000
Context
2009-10-09
18:16
Add test cases to e_fkey.test. (check-in: e391dfe79d user: dan tags: trunk)
2009-10-08
19:02
Test a couple of the examples in foreignkeys.html. (check-in: a2fb7902c0 user: dan tags: trunk)
17:42
Add test cases to test file "e_fkey.test". (check-in: 23e0f61a4f user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/e_fkey.test.
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#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!foreignkey} { finish_test ; return }

execsql "PRAGMA foreign_keys = ON"









































































































#-------------------------------------------------------------------------
# /* EV: R-36018-21755 */
# /* EV: R-25384-39337 */
# 
# Test that parent keys are not checked when tables are created.
#








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#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!foreignkey} { finish_test ; return }

execsql "PRAGMA foreign_keys = ON"

#-------------------------------------------------------------------------
# /* EV: R-51437-39891 */
#
# Test an example from the "ON DELETE and ON UPDATE Actions" section 
# of foreignkeys.html.
#
drop_all_tables
do_test e_fkey-13.1 {
  execsql {
    CREATE TABLE parent(x PRIMARY KEY);
    CREATE TABLE child(y REFERENCES parent ON UPDATE SET NULL);
    INSERT INTO parent VALUES('key');
    INSERT INTO child VALUES('key');
  }
} {}
do_test e_fkey-13.2 {
  execsql {
    UPDATE parent SET x = 'key';
    SELECT IFNULL(y, 'null') FROM child;
  }
} {key}
do_test e_fkey-13.3 {
  execsql {
    UPDATE parent SET x = 'key2';
    SELECT IFNULL(y, 'null') FROM child;
  }
} {null}

#-------------------------------------------------------------------------
# /* EV: R-07065-59588 */
#
# Test an example from the "ON DELETE and ON UPDATE Actions" section 
# of foreignkeys.html.
#
drop_all_tables
do_test e_fkey-14.1 {
  execsql {
    CREATE TABLE artist(
      artistid    INTEGER PRIMARY KEY, 
      artistname  TEXT
    );
    CREATE TABLE track(
      trackid     INTEGER,
      trackname   TEXT, 
      trackartist INTEGER DEFAULT 0 REFERENCES artist(artistid) ON DELETE SET DEFAULT
    );
    INSERT INTO artist VALUES(3, 'Sammy Davis Jr.');
    INSERT INTO track VALUES(14, 'Mr. Bojangles', 3);
  }
} {}
do_test e_fkey-14.2 {
  catchsql { DELETE FROM artist WHERE artistname = 'Sammy Davis Jr.' }
} {1 {foreign key constraint failed}}
do_test e_fkey-14.3 {
  execsql {
    INSERT INTO artist VALUES(0, 'Unknown Artist');
    DELETE FROM artist WHERE artistname = 'Sammy Davis Jr.';
  }
} {}
do_test e_fkey-14.4 {
  execsql { SELECT * FROM artist }
} {0 {Unknown Artist}}
do_test e_fkey-14.5 {
  execsql { SELECT * FROM track }
} {14 {Mr. Bojangles} 0}

#-------------------------------------------------------------------------
# /* EV: R-25213-27898 */
#
# Test an example from the "ON DELETE and ON UPDATE Actions" section 
# of foreignkeys.html.
#
drop_all_tables
do_test e_fkey-15.1 {
  execsql {
    CREATE TABLE artist(
      artistid    INTEGER PRIMARY KEY, 
      artistname  TEXT
    );
    CREATE TABLE track(
      trackid     INTEGER,
      trackname   TEXT, 
      trackartist INTEGER REFERENCES artist(artistid) ON UPDATE CASCADE
    );

    INSERT INTO artist VALUES(1, 'Dean Martin');
    INSERT INTO artist VALUES(2, 'Frank Sinatra');
    INSERT INTO track VALUES(11, 'That''s Amore', 1);
    INSERT INTO track VALUES(12, 'Christmas Blues', 1);
    INSERT INTO track VALUES(13, 'My Way', 2);
  }
} {}
do_test e_fkey-15.2 {
  execsql {
    UPDATE artist SET artistid = 100 WHERE artistname = 'Dean Martin';
  }
} {}
do_test e_fkey-15.3 {
  execsql { SELECT * FROM artist }
} {2 {Frank Sinatra} 100 {Dean Martin}}
do_test e_fkey-15.4 {
  execsql { SELECT * FROM track }
} {11 {That's Amore} 100 12 {Christmas Blues} 100 13 {My Way} 2}

#-------------------------------------------------------------------------
# /* EV: R-36018-21755 */
# /* EV: R-25384-39337 */
# 
# Test that parent keys are not checked when tables are created.
#
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