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lib/Test/MetaSyntactic.pm  view on Meta::CPAN

    my $theme = $args[0];
    $tb->subtest(
        $theme,
        sub {
            $tb->subtest( "$theme fixme",    sub { subtest_fixme(@args); } );
            $tb->subtest( "$theme encoding", sub { subtest_encoding(@args); } );
            $tb->subtest( "$theme load",     sub { subtest_load(@args); } )
                or return;
            $tb->subtest( "$theme version",  sub { subtest_version(@args); } );
            $tb->subtest( "$theme data",     sub { subtest_data(@args); } );
            $tb->subtest( "$theme format",   sub { subtest_format(@args); } );
            $tb->subtest( "$theme length",   sub { subtest_length(@args); } );
            $tb->subtest( "$theme import",   sub { subtest_import(@args); } );
            $tb->subtest( "$theme noimport", sub { subtest_noimport(@args); } );
            $tb->subtest( "$theme theme",    sub { subtest_theme(@args); } );
            $tb->subtest( "$theme remote",   sub { subtest_remote(@args); } );
            $tb->done_testing;
        }
    );
}

#
# useful internal functions
#

# some starting points to look for theme modules
sub _starting_points {
    return 'blib/lib' if -e 'blib/lib';
    return 'lib';
}

# load the theme in a random namespace
{
    my $num = 0;

    sub _load {
        my ( $theme, $do_import ) = @_;
        my $module = "Acme::MetaSyntactic::$theme";
        my $pkg    = sprintf "Acme::MetaSyntactic::SCRATCH_%04d", $num++;
        my $code   = $do_import
            ? "package $pkg; use $module; 1;"
            : "package $pkg; use $module (); 1;";
        my $ok     = eval $code;
        return ( $pkg, !$ok && $@ );
    }
}

# return a list of [ AMS object, details ]
sub _theme_sublists {
    my ($theme) = @_;
    my @metas;

    # assume the module has already been loaded
    no strict 'refs';
    my $class = "Acme::MetaSyntactic::$theme";

    if( $class->isa('Acme::MetaSyntactic::Locale') ) {
        for my $lang ( "Acme::MetaSyntactic::$theme"->languages() ) {
            push @metas,
                [ "Acme::MetaSyntactic::$theme"->new( lang => $lang ),
                  "$theme, $lang locale" ];
        }
    }
    elsif( $class->isa('Acme::MetaSyntactic::MultiList') ) {
        for my $cat ( "Acme::MetaSyntactic::$theme"->categories() ) {
            push @metas,
                [ "Acme::MetaSyntactic::$theme"->new( category => $cat ),
                  "$theme, $cat category" ];
        }
    }
    else {
        push @metas, [ "Acme::MetaSyntactic::$theme"->new(), $theme ];
    }

    return @metas;
}

# return the list of all theme items
sub _theme_items {
    my ($theme) = @_;

    # assume the module has already been loaded
    no strict 'refs';
    my $class = "Acme::MetaSyntactic::$theme";
    my @items
        = $class->isa('Acme::MetaSyntactic::List')
        ? @{"$class\::List"}
        : $class->isa('Acme::MetaSyntactic::MultiList')
        ? map @$_, values %{"$class\::MultiList"}
        : ();
    return @items;
}

sub _check_file_lines {
    my ($theme, $file, $mesg, $cb ) = @_;
    my $tb = __PACKAGE__->builder;
    $tb->plan( tests => 1 );
    local $Test::Builder::Level = $Test::Builder::Level + 1;

    # try to find a source file if none given
    $file ||= { Acme::MetaSyntactic->_find_themes(_starting_points) }->{$theme};

SKIP: {
        my ($fh, $skip);
        if ( $file ) {
            open $fh, $file or do { $skip = "Can't open $file: $!"; };
        }
        else {
            $skip = "This test needs the source file for $theme";
        }
        if( $skip ) {
            $tb->skip($skip);
            last SKIP;
        }

        my @lines = $cb->( <$fh> );
        $tb->is_num( scalar @lines, 0, sprintf $mesg, $file );
        map $tb->diag( $_ ), "Failed lines:\n", map "  $_", @lines if @lines;
        close $fh;
    }
}