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inc/Test/Builder.pm  view on Meta::CPAN

#line 1732

sub output {
    my( $self, $fh ) = @_;

    if( defined $fh ) {
        $self->{Out_FH} = $self->_new_fh($fh);
    }
    return $self->{Out_FH};
}

sub failure_output {
    my( $self, $fh ) = @_;

    if( defined $fh ) {
        $self->{Fail_FH} = $self->_new_fh($fh);
    }
    return $self->{Fail_FH};
}

sub todo_output {
    my( $self, $fh ) = @_;

    if( defined $fh ) {
        $self->{Todo_FH} = $self->_new_fh($fh);
    }
    return $self->{Todo_FH};
}

sub _new_fh {
    my $self = shift;
    my($file_or_fh) = shift;

    my $fh;
    if( $self->is_fh($file_or_fh) ) {
        $fh = $file_or_fh;
    }
    elsif( ref $file_or_fh eq 'SCALAR' ) {
        # Scalar refs as filehandles was added in 5.8.
        if( $] >= 5.008 ) {
            open $fh, ">>", $file_or_fh
              or $self->croak("Can't open scalar ref $file_or_fh: $!");
        }
        # Emulate scalar ref filehandles with a tie.
        else {
            $fh = Test::Builder::IO::Scalar->new($file_or_fh)
              or $self->croak("Can't tie scalar ref $file_or_fh");
        }
    }
    else {
        open $fh, ">", $file_or_fh
          or $self->croak("Can't open test output log $file_or_fh: $!");
        _autoflush($fh);
    }

    return $fh;
}

sub _autoflush {
    my($fh) = shift;
    my $old_fh = select $fh;
    $| = 1;
    select $old_fh;

    return;
}

my( $Testout, $Testerr );

sub _dup_stdhandles {
    my $self = shift;

    $self->_open_testhandles;

    # Set everything to unbuffered else plain prints to STDOUT will
    # come out in the wrong order from our own prints.
    _autoflush($Testout);
    _autoflush( \*STDOUT );
    _autoflush($Testerr);
    _autoflush( \*STDERR );

    $self->reset_outputs;

    return;
}

sub _open_testhandles {
    my $self = shift;

    return if $self->{Opened_Testhandles};

    # We dup STDOUT and STDERR so people can change them in their
    # test suites while still getting normal test output.
    open( $Testout, ">&STDOUT" ) or die "Can't dup STDOUT:  $!";
    open( $Testerr, ">&STDERR" ) or die "Can't dup STDERR:  $!";

    #    $self->_copy_io_layers( \*STDOUT, $Testout );
    #    $self->_copy_io_layers( \*STDERR, $Testerr );

    $self->{Opened_Testhandles} = 1;

    return;
}

sub _copy_io_layers {
    my( $self, $src, $dst ) = @_;

    $self->_try(
        sub {
            require PerlIO;
            my @src_layers = PerlIO::get_layers($src);

            binmode $dst, join " ", map ":$_", @src_layers if @src_layers;
        }
    );

    return;
}

#line 1857

sub reset_outputs {
    my $self = shift;