Put something like this in your test code: 

my $new;
BEGIN {
    require MIME::Lite;
    $new= MIME::Lite->can( "new" );
    undef &MIME::Lite::new;
}
sub MIME::Lite::new {
    # validate passed-in arguments here
    return $new->( @_ );
}

[download]

(Updated to prevent warnings.)

- tye        

In reply to Re: Checking parameters passed to a third party module during testing (wrap) by tye
in thread Checking parameters passed to a third party module during testing by GrandFather

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