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|
#!perl
use strict;
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
}
use File::Basename;
use File::Spec;
use Test::More;
use_ok( 'Pod::Usage' );
# Test verbose level 0
my $vbl_0 = << 'EOMSG';
Usage:
The SYNOPSIS section is displayed with -verbose >= 0.
EOMSG
my $fake_out = tie *FAKEOUT, 'CatchOut';
pod2usage({ -verbose => 0, -exit => 'noexit', -output => \*FAKEOUT });
is( $$fake_out, $vbl_0, 'Verbose level 0' );
my $msg = "Prefix message for pod2usage()";
$$fake_out = '';
pod2usage({ -verbose => 0, -exit => 'noexit', -output => \*FAKEOUT,
-message => $msg });
is( $$fake_out, "$msg\n$vbl_0", '-message parameter' );
SKIP: {
my( $file, $path ) = fileparse( $0 );
skip( 'File in current directory', 2 ) if -e $file;
$$fake_out = '';
eval {
pod2usage({ -verbose => 0, -exit => 'noexit',
-output => \*FAKEOUT, -input => $file });
};
like( $@, qr/^Can't open $file/,
'File not found without -pathlist' );
eval {
pod2usage({ -verbose => 0, -exit => 'noexit',
-output => \*FAKEOUT, -input => $file,
-pathlist => $path });
};
is( $$fake_out, $vbl_0, '-pathlist parameter' );
}
{ # Test exit status from pod2usage()
my $exit = ($^O eq 'VMS' ? 2 : 42);
my $dev_null = File::Spec->devnull;
my $args = join ", ", (
"-verbose => 0",
"-exit => $exit",
"-output => q{$dev_null}",
"-input => q{$0}",
);
my $cq = (($^O eq 'MSWin32'
|| $^O eq 'VMS') ? '"'
: "");
my @params = ( "${cq}-I../lib$cq", "${cq}-MPod::Usage$cq", '-e' );
my $prg = qq[${cq}pod2usage({ $args })$cq];
my @cmd = ( $^X, @params, $prg );
print "# cmd = @cmd\n";
is( system( @cmd ) >> 8, $exit, 'Exit status of pod2usage()' );
}
# Test verbose level 1
my $vbl_1 = << 'EOMSG';
Usage:
The SYNOPSIS section is displayed with -verbose >= 0.
Options:
The OPTIONS section is displayed with -verbose >= 1.
Arguments:
The ARGUMENTS section is displayed with -verbose >= 1.
EOMSG
$$fake_out = '';
pod2usage( { -verbose => 1, -exit => 'noexit', -output => \*FAKEOUT } );
is( $$fake_out, $vbl_1, 'Verbose level 1' );
# Test verbose level 2
$$fake_out = '';
require Pod::Text; # Pod::Usage->isa( 'Pod::Text' )
( my $p2tp = new Pod::Text )->parse_from_file( $0, \*FAKEOUT );
my $pod2text = $$fake_out;
$$fake_out = '';
pod2usage( { -verbose => 2, -exit => 'noexit', -output => \*FAKEOUT } );
my $pod2usage = $$fake_out;
is( $pod2usage, $pod2text, 'Verbose level >= 2 eq pod2text' );
done_testing();
package CatchOut;
sub TIEHANDLE { bless \( my $self ), shift }
sub PRINT { my $self = shift; $$self .= $_[0] }
__END__
=head1 NAME
Usage.t - Tests for Pod::Usage
=head1 SYNOPSIS
The B<SYNOPSIS> section is displayed with -verbose >= 0.
=head1 DESCRIPTION
Testing Pod::Usage. This section is not displayed with -verbose < 2.
=head1 OPTIONS
The B<OPTIONS> section is displayed with -verbose >= 1.
=head1 ARGUMENTS
The B<ARGUMENTS> section is displayed with -verbose >= 1.
=head1 AUTHOR
20020105 Abe Timmerman <abe@ztreet.demon.nl>
=cut
|
