30insertfetch.t

SinFP是一种新的识别对方计算机操作系统类型的工具

#!/usr/local/bin/perl
#
#   $Id: 30insertfetch.t,v 1.2 2004/08/09 13:07:44 matt Exp $
#
#   This is a simple insert/fetch test.
#
$^W = 1;

#
#   Make -w happy
#
$test_dsn = '';
$test_user = '';
$test_password = '';


#
#   Include lib.pl
#
use DBI;
$mdriver = "";
foreach $file ("lib.pl", "t/lib.pl", "DBD-~DBD_DRIVER~/t/lib.pl") {
    do $file; if ($@) { print STDERR "Error while executing lib.pl: $@\n";
			   exit 10;
		      }
    if ($mdriver ne '') {
	last;
    }
}

sub ServerError() {
    print STDERR ("Cannot connect: ", $DBI::errstr, "\n",
	"\tEither your server is not up and running or you have no\n",
	"\tpermissions for acessing the DSN $test_dsn.\n",
	"\tThis test requires a running server and write permissions.\n",
	"\tPlease make sure your server is running and you have\n",
	"\tpermissions, then retry.\n");
    exit 10;
}

#
#   Main loop; leave this untouched, put tests after creating
#   the new table.
#
while (Testing()) {

    #
    #   Connect to the database
    Test($state or $dbh = DBI->connect($test_dsn, $test_user, $test_password),
	 'connect')
	or ServerError();

    #
    #   Find a possible new table name
    #
    Test($state or $table = FindNewTable($dbh), 'FindNewTable')
	or DbiError($dbh->err, $dbh->errstr);

    #
    #   Create a new table; EDIT THIS!
    #
    Test($state or ($def = TableDefinition($table,
					   ["id",   "INTEGER",  4, 0],
					   ["name", "CHAR",    64, 0],
					   ["val",  "INTEGER",  4, 0],
					   ["txt",  "CHAR",    64, 0]) and
		    $dbh->do($def)), 'create', $def)
	or DbiError($dbh->err, $dbh->errstr);


    #
    #   Insert a row into the test table.......
    #
    Test($state or $dbh->do("INSERT INTO $table"
			    . " VALUES(1, 'Alligator Descartes', 1111,"
			    . " 'Some Text')"), 'insert')
	or DbiError($dbh->err, $dbh->errstr);

    #
    #   Now, try SELECT'ing the row out. 
    #
    Test($state or $cursor = $dbh->prepare("SELECT * FROM $table"
					   . " WHERE id = 1"),
	 'prepare select')
	or DbiError($dbh->err, $dbh->errstr);
    
    Test($state or $cursor->execute, 'execute select')
	or DbiError($cursor->err, $cursor->errstr);
    
    my ($row, $errstr);
    Test($state or (defined($row = $cursor->fetchrow_arrayref)  &&
		    !($cursor->errstr)), 'fetch select')
	or DbiError($cursor->err, $cursor->errstr);
    
    Test($state or ($row->[0] == 1 &&
                    $row->[1] eq 'Alligator Descartes' &&    
                    $row->[2] == 1111 &&    
                    $row->[3] eq 'Some Text'), 'compare select')
	or DbiError($cursor->err, $cursor->errstr);
    
    Test($state or $cursor->finish, 'finish select')
	or DbiError($cursor->err, $cursor->errstr);
    
    Test($state or undef $cursor || 1, 'undef select');
    
    #
    #   ...and delete it........
    #
    Test($state or $dbh->do("DELETE FROM $table WHERE id = 1"), 'delete')
	or DbiError($dbh->err, $dbh->errstr);

    #
    #   Now, try SELECT'ing the row out. This should fail.
    #
    Test($state or $cursor = $dbh->prepare("SELECT * FROM $table"
					   . " WHERE id = 1"),
	 'prepare select deleted')
	or DbiError($dbh->err, $dbh->errstr);

    Test($state or $cursor->execute, 'execute select deleted')
	or DbiError($cursor->err, $cursor->errstr);

    Test($state or (!defined($row = $cursor->fetchrow_arrayref)  &&
		    (!defined($errstr = $cursor->errstr) ||
		     $cursor->errstr eq '')), 'fetch select deleted')
	or DbiError($cursor->err, $cursor->errstr);

    Test($state or (!defined($row = $cursor->fetchrow_arrayref)  &&
                   (!defined($errstr = $cursor->errstr) ||
                    $cursor->errstr eq '')), 'fetch on empty statement handler')
       or DbiError($cursor->err, $cursor->errstr);

    Test($state or $cursor->finish, 'finish select deleted')
	or DbiError($cursor->err, $cursor->errstr);

    Test($state or undef $cursor || 1, 'undef select deleted');


    #
    #   Finally drop the test table.
    #
    Test($state or $dbh->do("DROP TABLE $table"), 'drop')
	or DbiError($dbh->err, $dbh->errstr);

}