# 2006 Aug 24
#
# 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 implements regression tests for SQLite library.  The
# focus of this script is testing the sqlite3_set_authorizer() API
# and related functionality.
#
# $Id: auth2.test,v 1.2 2007/10/12 20:42:30 drh Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# disable this test if the SQLITE_OMIT_AUTHORIZATION macro is
# defined during compilation.
if {[catch {db auth {}} msg]} {
  finish_test
  return
}

do_test auth2-1.1 {
  execsql {
    CREATE TABLE t1(a,b,c);
    INSERT INTO t1 VALUES(1,2,3);
  }
  set ::flist {}
  proc auth {code arg1 arg2 arg3 arg4} {
    if {$code=="SQLITE_FUNCTION"} {
      lappend ::flist $arg2
      if {$arg2=="max"} {
        return SQLITE_DENY
      } elseif {$arg2=="min"} {
        return SQLITE_IGNORE
      } else {
        return SQLITE_OK
      }
    }
    return SQLITE_OK
  }
  db authorizer ::auth
  catchsql {SELECT max(a,b,c) FROM t1}
} {1 {not authorized to use function: max}}
do_test auth2-1.2 {
  set ::flist
} max
do_test auth2-1.3 {
  set ::flist {}
  catchsql {SELECT min(a,b,c) FROM t1}
} {0 {{}}}
do_test auth2-1.4 {
  set ::flist
} min
do_test auth2-1.5 {
  set ::flist {}
  catchsql {SELECT coalesce(min(a,b,c),999) FROM t1}
} {0 999}
do_test auth2-1.6 {
  set ::flist
} {coalesce min}
do_test auth2-1.7 {
  set ::flist {}
  catchsql {SELECT coalesce(a,b,c) FROM t1}
} {0 1}
do_test auth2-1.8 {
  set ::flist
} coalesce

# Make sure the authorizer is not called when parsing the schema
# and when computing the result set of a view.
#
db close
sqlite3 db test.db
sqlite3 db2 test.db
proc auth {args} {
  global authargs
  append authargs $args\n
  return SQLITE_OK
}
db auth auth
do_test auth2-2.1 {
  set ::authargs {}
  db eval {
    CREATE TABLE t2(x,y,z);
  }
  set ::authargs
} {SQLITE_INSERT sqlite_master {} main {}
SQLITE_CREATE_TABLE t2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
SQLITE_READ sqlite_master name main {}
SQLITE_READ sqlite_master rootpage main {}
SQLITE_READ sqlite_master sql main {}
SQLITE_READ sqlite_master tbl_name main {}
}
do_test auth2-2.2 {
  set ::authargs {}
  db eval {
    CREATE VIEW v2 AS SELECT x+y AS a, y+z AS b from t2;
  }
  set ::authargs
} {SQLITE_INSERT sqlite_master {} main {}
SQLITE_CREATE_VIEW v2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
SQLITE_READ sqlite_master name main {}
SQLITE_READ sqlite_master rootpage main {}
SQLITE_READ sqlite_master sql main {}
SQLITE_READ sqlite_master tbl_name main {}
}
do_test auth2-2.3 {
  set ::authargs {}
  db eval {
    SELECT a, b FROM v2;
  }
  set ::authargs
} {SQLITE_SELECT {} {} {} {}
SQLITE_READ v2 a main {}
SQLITE_READ v2 b main {}
SQLITE_SELECT {} {} {} v2
SQLITE_READ t2 x main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 z main v2
}
do_test auth2-2.4 {
  db2 eval {
    CREATE TABLE t3(p,q,r);
  }
  set ::authargs {}
  db eval {
    SELECT b, a FROM v2;
  }
  set ::authargs
} {SQLITE_SELECT {} {} {} {}
SQLITE_READ v2 b main {}
SQLITE_READ v2 a main {}
SQLITE_SELECT {} {} {} v2
SQLITE_READ t2 x main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 z main v2
SQLITE_SELECT {} {} {} {}
SQLITE_READ v2 b main {}
SQLITE_READ v2 a main {}
SQLITE_SELECT {} {} {} v2
SQLITE_READ t2 x main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 y main v2
SQLITE_READ t2 z main v2
}
db2 close

finish_test
