1 files changed, 200 insertions, 0 deletions
diff --git a/test/trigger4.test b/test/trigger4.test
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+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file tests the triggers of views.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If either views or triggers are disabled in this build, omit this file.
+ifcapable {!trigger || !view} {
+  finish_test
+  return
+}
+
+do_test trigger4-1.1 {
+  execsql {
+    create table test1(id integer primary key,a);
+    create table test2(id integer,b);
+    create view test as
+      select test1.id as id,a as a,b as b
+      from test1 join test2 on test2.id =  test1.id;
+    create trigger I_test instead of insert on test
+      begin
+        insert into test1 (id,a) values (NEW.id,NEW.a);
+        insert into test2 (id,b) values (NEW.id,NEW.b);
+      end;
+    insert into test values(1,2,3);
+    select * from test1;
+  }
+} {1 2}
+do_test trigger4-1.2 {
+  execsql {
+    select * from test2;
+  }
+} {1 3}
+do_test trigger4-1.3 {
+  db close
+  sqlite3 db test.db
+  execsql {
+    insert into test values(4,5,6);
+    select * from test1;
+  }
+} {1 2 4 5}
+do_test trigger4-1.4 {
+  execsql {
+    select * from test2;
+  }
+} {1 3 4 6}
+
+do_test trigger4-2.1 {
+  execsql {
+    create trigger U_test instead of update on test
+      begin
+        update test1 set a=NEW.a where id=NEW.id;
+        update test2 set b=NEW.b where id=NEW.id;
+      end;
+    update test set a=22 where id=1;
+    select * from test1;
+  }
+} {1 22 4 5}
+do_test trigger4-2.2 {
+  execsql {
+    select * from test2;
+  }
+} {1 3 4 6}
+do_test trigger4-2.3 {
+  db close
+  sqlite3 db test.db
+  execsql {
+    update test set b=66 where id=4;
+    select * from test1;
+  }
+} {1 22 4 5}
+do_test trigger4-2.4 {
+  execsql {
+    select * from test2;
+  }
+} {1 3 4 66}
+
+do_test trigger4-3.1 {
+  catchsql {
+    drop table test2;
+    insert into test values(7,8,9);
+  }
+} {1 {no such table: main.test2}}
+do_test trigger4-3.2 {
+  db close
+  sqlite3 db test.db
+  catchsql {
+    insert into test values(7,8,9);
+  }
+} {1 {no such table: main.test2}}
+do_test trigger4-3.3 {
+  catchsql {
+    update test set a=222 where id=1;
+  }
+} {1 {no such table: main.test2}}
+do_test trigger4-3.4 {
+  execsql {
+    select * from test1;
+  }
+} {1 22 4 5}
+do_test trigger4-3.5 {
+  execsql {
+    create table test2(id,b);
+    insert into test values(7,8,9);
+    select * from test1;
+  }
+} {1 22 4 5 7 8}
+do_test trigger4-3.6 {
+  execsql {
+    select * from test2;
+  }
+} {7 9}
+do_test trigger4-3.7 {
+  db close
+  sqlite3 db test.db
+  execsql {
+    update test set b=99 where id=7;
+    select * from test2;
+  }
+} {7 99}
+
+do_test trigger4-4.1 {
+    db close
+    forcedelete trigtest.db
+    forcedelete trigtest.db-journal
+    sqlite3 db trigtest.db
+    catchsql {drop table tbl; drop view vw}
+    execsql {
+	create table tbl(a integer primary key, b integer);
+	create view vw as select * from tbl;
+	create trigger t_del_tbl instead of delete on vw for each row begin
+	  delete from tbl where a = old.a;
+	end;
+	create trigger t_upd_tbl instead of update on vw for each row begin
+	  update tbl set a=new.a, b=new.b where a = old.a;
+	end;
+	create trigger t_ins_tbl instead of insert on vw for each row begin
+	  insert into tbl values (new.a,new.b);
+	end;
+	insert into tbl values(101,1001);
+	insert into tbl values(102,1002);
+	insert into tbl select a+2, b+2 from tbl;
+	insert into tbl select a+4, b+4 from tbl;
+	insert into tbl select a+8, b+8 from tbl;
+	insert into tbl select a+16, b+16 from tbl;
+	insert into tbl select a+32, b+32 from tbl;
+	insert into tbl select a+64, b+64 from tbl;
+	select count(*) from vw;
+    }
+} {128}
+do_test trigger4-4.2 {
+    execsql {select a, b from vw where a<103 or a>226 order by a}
+} {101 1001 102 1002 227 1127 228 1128}
+
+#test delete from view
+do_test trigger4-5.1 {
+    catchsql {delete from vw where a>101 and a<2000}
+} {0 {}}
+do_test trigger4-5.2 {
+    execsql {select * from vw}
+} {101 1001}
+
+#test insert into view
+do_test trigger4-6.1 {
+    catchsql {
+	insert into vw values(102,1002);
+	insert into vw select a+2, b+2 from vw;
+	insert into vw select a+4, b+4 from vw;
+	insert into vw select a+8, b+8 from vw;
+	insert into vw select a+16, b+16 from vw;
+	insert into vw select a+32, b+32 from vw;
+	insert into vw select a+64, b+64 from vw;
+    }
+} {0 {}}
+do_test trigger4-6.2 {
+    execsql {select count(*) from vw}
+} {128}
+
+#test update of view
+do_test trigger4-7.1 {
+    catchsql {update vw set b=b+1000 where a>101 and a<2000}
+} {0 {}}
+do_test trigger4-7.2 {
+    execsql {select a, b from vw where a<=102 or a>=227 order by a}
+} {101 1001 102 2002 227 2127 228 2128}
+
+integrity_check trigger4-99.9
+db close
+forcedelete trigtest.db trigtest.db-journal
+
+finish_test