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lib/JavaScript/V8x/TestMoreish.pm  view on Meta::CPAN

    isValue( $got ) && isString( $got ) && $got.match( $match )

=head1 USAGE

=head2 test_js( $js )

Evaluate $js in a Test::More-ish context (see JavaScript USAGE for available functionality)

=cut

use Any::Moose;

use JavaScript::V8x::TestMoreish::JS;

use JavaScript::V8;
use Path::Abstract;
use Test::Builder();
use Sub::Exporter -setup => {
    exports => [
        test_js => sub { sub { local $Test::Builder::Level = $Test::Builder::Level + 2; return __test_js( @_ ) } },
        test_js_tester => sub { sub { return __test_js_tester( @_ ) } },
        test_js_bind => sub { sub { return __test_js_bind( @_ ) } },
        test_js_eval => sub { sub { local $Test::Builder::Level = $Test::Builder::Level + 2; return __test_js_eval( @_ ) } },
    ],
    groups => {
        default => [qw/ test_js test_js_tester test_js_bind test_js_eval /],
    },
};

my $__tester;
sub __test_js_tester { return $__tester ||= __PACKAGE__->new }
sub __test_js { return __test_js_tester->test( @_ ) } 
sub __test_js_bind { return __test_js_tester->bind( @_ ) }
sub __test_js_eval { return __test_js_tester->eval( @_ ) }


has context => qw/is ro lazy_build 1/;
sub _build_context {
    return JavaScript::V8::Context->new();
}

has builder => qw/is ro lazy_build 1/;
sub _build_builder {
    require Test::More;
    return Test::More->builder;
}

sub BUILD {
    my $self = shift;

    $self->bind(
        _TestMoreish_diag => sub { Test::More->builder->diag( @_ ) },
        _TestMoreish_ok => sub { Test::More->builder->ok( @_ ) },
    );

    $self->eval( JavaScript::V8x::TestMoreish::JS->TestMoreish );
    $self->eval( <<'_END_' );
if (! TestMoreish)
    var TestMoreish = _TestMoreish;
_END_
    $self->eval( join "\n", map { "function $_() { TestMoreish.$_.apply( TestMoreish, arguments ) }" } split m/\n+/, <<_END_ );
diag
areEqual
areNotEqual
areSame
areNotSame

isTrue
isFalse

isString
isValue
isObject
isNumber
isBoolean
isFunction

like

fail
_END_
}

sub bind {
    my $self = shift;

    while( @_ ) {
        $self->context->bind_function( shift, shift );
    }
}

sub eval {
    my $self = shift;

    # TODO TryCatch?
    local $@ = undef;
    $self->context->eval( @_ );
    die $@ if $@;
}

sub test {
    my $self = shift;

    local $Test::Builder::Level = $Test::Builder::Level + 2;

    for ( @_ ) {
        if (m/\n/) {
            $self->eval( $_ );
        }
        else {
            my $path = Path::Abstract->new( $_ );
            my $file = $path->file;
            $self->eval( scalar $file->slurp );
        }
    }
}

=head1 SEE ALSO

L<JavaScript::V8>