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use strict;
use FileHandle::Unget;
use File::Spec::Functions qw(:ALL);
use Test::More tests => 3;
use Config;
use File::Temp;
use File::Slurper qw(read_text);
# -------------------------------------------------------------------------------
use vars qw( %PROGRAMS $single_quote $command_separator $set_env );
if ($^O eq 'MSWin32')
{
$set_env = 'set';
$single_quote = '"';
$command_separator = '&';
}
else
{
$set_env = '';
$single_quote = "'";
$command_separator = '';
}
# -------------------------------------------------------------------------------
my $path_to_perl = $Config{perlpath};
my $test_program;
{
my $fh;
($fh, $test_program) = File::Temp::tempfile(UNLINK => 1);
print $fh do { local $/; <DATA> };
close $fh;
}
# Note: No space before the pipe because on Windows it is passed to the test
# program
my $test = "echo hello| $path_to_perl $test_program";
my $expected_stdout = qr/Starting at position (-1|0)\ngot: hello\ngot: world\n/;
my $expected_stderr = '';
{
my @standard_inc = split /###/, `$path_to_perl -e "\$\\" = '###';print \\"\@INC\\""`;
my @extra_inc;
foreach my $inc (@INC)
{
push @extra_inc, "$single_quote$inc$single_quote"
unless grep { /^\Q$inc\E$/ } @standard_inc;
}
my $test_program_pattern = $test_program;
$test_program_pattern =~ s/\\/\\\\/g;
if (@extra_inc)
{
local $" = ' -I';
$test =~ s#\b\Q$path_to_perl\E\b#$path_to_perl -I@extra_inc#g;
}
}
my ($test_stdout, $test_stderr);
{
my $fh;
($fh, $test_stdout) = File::Temp::tempfile(UNLINK => 1);
close $fh;
($fh, $test_stderr) = File::Temp::tempfile(UNLINK => 1);
close $fh;
}
system "$test 1>$test_stdout 2>$test_stderr";
#1
ok(!$?,'Executing external program');
my $actual_stdout = read_text($test_stdout, undef, 1);
my $actual_stderr = read_text($test_stderr, undef, 1);
#2
like($actual_stdout,$expected_stdout,'Output matches');
#3
is($actual_stderr,$expected_stderr,'Stderr matches');
exit;
# -------------------------------------------------------------------------------
__DATA__
use strict;
use FileHandle::Unget;
my $fh = new FileHandle::Unget(\*STDIN);
print 'Starting at position ', tell($fh), "\n";
# 1
print "got: ", scalar <$fh>;
$fh->ungets("world\n");
# 2
print "got: ", scalar <$fh>;
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