#!/usr/local/bin/perl
#
# $Id: 40blobs.t,v 1.1812 1997/09/27 14:34:45 joe Exp $
#
# This is a test for correct handling of BLOBS; namely $dbh->quote
# is expected to work correctly.
#
#
# Make -w happy
#
$::verbose = defined($::verbose) ? $::verbose : 0;
$test_dsn = '';
$test_user = '';
$test_password = '';
#
# Include lib.pl
#
require DBI;
$mdriver = "";
foreach $file ("lib.pl", "t/lib.pl") {
do $file; if ($@) { print STDERR "Error while executing lib.pl: $@\n";
exit 10;
}
if ($mdriver ne '') {
last;
}
}
if ($dbdriver eq 'mSQL' || $dbdriver eq 'mSQL1') {
print "1..0\n";
exit 0;
}
sub ServerError() {
my $err = $DBI::errstr; # Hate -w ...
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 $test_dsn.\n",
"\tThis test requires a running server and write permissions.\n",
"\tPlease make sure your server is running and you have\n",
"\tpermissions, then retry.\n");
exit 10;
}
sub ShowBlob($) {
my ($blob) = @_;
for($i = 0; $i < 8; $i++) {
if (defined($blob) && length($blob) > $i) {
$b = substr($blob, $i*32);
} else {
$b = "";
}
printf("%08lx %s\n", $i*32, unpack("H64", $b));
}
}
#
# Main loop; leave this untouched, put tests after creating
# the new table.
#
while (Testing()) {
#
# Connect to the database
Test($state or $dbh = DBI->connect($test_dsn, $test_user, $test_password))
or ServerError();
#
# Find a possible new table name
#
Test($state or $table = FindNewTable($dbh))
or DbiError($dbh->error, $dbh->errstr);
foreach $size (128) {
#
# Create a new table
#
Test($state or ($def = TableDefinition($table,
["id", "INTEGER", 4, 0],
["name", "BLOB", $size, 0]),
$dbh->do($def)))
or DbiError($dbh->err, $dbh->errstr);
#
# Create a blob
#
my ($blob, $qblob) = "";
if (!$state) {
my $b = "";
for ($j = 0; $j < 256; $j++) {
$b .= chr($j);
}
for ($i = 0; $i < $size; $i++) {
$blob .= $b;
}
if ($mdriver eq 'pNET') {
# Quote manually, no remote quote
$qblob = eval "DBD::" . $dbdriver . "::db->quote(\$blob)";
} else {
$qblob = $dbh->quote($blob);
}
}
#
# Insert a row into the test table.......
#
Test($state or $dbh->do("INSERT INTO $table VALUES(1, "
. $qblob . ")"))
or DbiError($dbh->err, $dbh->errstr);
#
# Now, try SELECT'ing the row out.
#
Test($state or $cursor = $dbh->prepare("SELECT * FROM $table"
. " WHERE id = 1"))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $cursor->execute)
or DbiError($dbh->err, $dbh->errstr);
Test($state or (defined($row = $cursor->fetchrow_arrayref)))
or DbiError($cursor->err, $cursor->errstr);
Test($state or (@$row == 2 && $$row[0] == 1 && $$row[1] eq $blob))
or !$verbose or (ShowBlob($blob),
ShowBlob(defined($$row[1]) ? $$row[1] : ""));
Test($state or $cursor->finish)
or DbiError($cursor->err, $cursor->errstr);
Test($state or undef $cursor || 1)
or DbiError($cursor->err, $cursor->errstr);
#
# Finally drop the test table.
#
Test($state or $dbh->do("DROP TABLE $table"))
or DbiError($dbh->err, $dbh->errstr);
}
}