#!/usr/local/bin/perl
#
# $Id: 40blobs.t 1103 2003-03-18 02:53:28Z rlippan $
#
# This is a test for correct handling of BLOBS; namely $dbh->quote
# is expected to work correctly.
#
#
# Thank you to Brad Choate for finding the bug that resulted in this test,
# which he kindly sent code that this test uses!
#
#
# Make -w happy
#
$test_dsn = '';
$test_user = '';
$test_password = '';
#
# Include lib.pl
#
require DBI;
$mdriver = "";
my $update_blob;
foreach $file ("lib.pl", "t/lib.pl") {
do $file; if ($@) { print STDERR "Error while executing lib.pl: $@\n";
exit 10;
}
if ($mdriver ne '') {
last;
}
}
my @chars = grep !/[0O1Iil]/, 0..9, 'A'..'Z', 'a'..'z';
my $blob1= join '', map { $chars[rand @chars] } 0 .. 10000;
$blob2 = '"' x 10000;
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, $dbh->errstr);
#
# create a new table
#
Test($state or
$dbh->do("CREATE TABLE $table (id int(4), name text)"))
or DbiError($dbh->err, $dbh->errstr);
my($def);
#
# Insert a row into the test table.......
#
my($query, $sth);
if (!$state) {
$query = "INSERT INTO $table VALUES(?, ?)";
}
Test($state or $sth= $dbh->prepare($query))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->execute(1, $blob1))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->finish)
or DbiError($sth->err, $sth->errstr);
Test($state or undef $sth || 1)
or DbiError($sth->err, $sth->errstr);
#
# Now, try SELECTing the row out.
#
Test($state or $sth=
$dbh->prepare("SELECT * FROM $table WHERE id = 1"))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->execute)
or DbiError($dbh->err, $dbh->errstr);
Test($state or (defined($row = $sth->fetchrow_arrayref)))
or DbiError($sth->err, $sth->errstr);
Test($state or (@$row == 2 && $$row[0] == 1 && $$row[1] eq $blob1))
or (ShowBlob($blob1),
ShowBlob(defined($$row[1]) ? $$row[1] : ""));
Test($state or $sth->finish)
or DbiError($sth->err, $sth->errstr);
Test($state or undef $sth || 1)
or DbiError($sth->err, $sth->errstr);
Test($state or $sth=
$dbh->prepare("UPDATE $table SET name = ? WHERE id = 1"))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->execute($blob2))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->finish)
or DbiError($sth->err, $sth->errstr);
Test($state or undef $sth || 1)
or DbiError($sth->err, $sth->errstr);
Test($state or $sth=
$dbh->prepare("SELECT * FROM $table WHERE id = 1"))
or DbiError($dbh->err, $dbh->errstr);
Test($state or $sth->execute)
or DbiError($dbh->err, $dbh->errstr);
Test($state or (defined($row = $sth->fetchrow_arrayref)))
or DbiError($sth->err, $sth->errstr);
Test($state or (@$row == 2 && $$row[0] == 1 && $$row[1] eq $blob2))
or (ShowBlob($blob2),
ShowBlob(defined($$row[1]) ? $$row[1] : ""));
Test($state or $sth->finish)
or DbiError($sth->err, $sth->errstr);
Test($state or undef $sth || 1)
or DbiError($sth->err, $sth->errstr);
#
# Finally drop the test table.
#
Test($state or $dbh->do("DROP TABLE $table"))
or DbiError($dbh->err, $dbh->errstr);
}