node_modules/module-deps/test/row_expose_transform.js

var parser = require('../');
var test = require('tap').test;
var through = require('through2');
var path = require('path');

// test that (non global) transforms are applied to an exposed module
test('row is exposed and transformed', function (t) {
    t.plan(2);
    var exposed_path = path.join(__dirname, '/files/main.js');
    var found_exposed_path = false;
    var opts = { 
        expose: {},
        transform: function(file) {
            if (file === exposed_path) {
                found_exposed_path = true;
            }
            return through();
        }
    };

    var p = parser(opts);
    p.end({ file: exposed_path, expose: "whatever" });
    p.on('error', t.fail.bind(t));

    p.pipe(through.obj());

    p.on('end', function () {
        t.equal(opts.expose.whatever, exposed_path);
        t.ok(found_exposed_path);
    });
});