zombie.js の browser.assert を power-assert 化する試み(試してはいない)

empowerZombieBrowser.js

var empower = require('empower');
var formatter = require('power-assert-formatter');

module.exports = function empowerZombie (browser) {
    empower(browser.assert, formatter(), {
        destructive: true,
        modifyMessageOnRethrow: true,
        saveContextOnRethrow: true,
        patterns: [
            'browser.assert.redirected([message])',
            'browser.assert.success([message])',
            'browser.assert.attribute(selection, name, expected, [message])',
            'browser.assert.className(selection, className, [message])',
            'browser.assert.cookie(identifier, expected, [message])',
            'browser.assert.element(selection, [message])',
            'browser.assert.elements(selection, count, [message])',
            'browser.assert.evaluate(expression, expected, [message])',
            'browser.assert.global(name, expected, [message])',
            'browser.assert.hasClass(selection, className, [message])',
            'browser.assert.hasFocus(selection, [message])',
            'browser.assert.hasNoClass(selection, className, [message])',
            'browser.assert.input(selection, expected, [message])',
            'browser.assert.link(selection, text, url, [message])',
            'browser.assert.status(code, [message])',
            'browser.assert.style(selection, style, expected, [message])',
            'browser.assert.text(selection, expected, [message])',
            'browser.assert.url(url, [message])'
        ]
    });
}; 

example_test.js

var Browser = require("zombie");
var assert = require("power-assert");
var empowerZombieBrowser = require("../empowerZombieBrowser");

Browser.localhost('example.com', 3000);

describe("testing example.com", function () {
    var browser = new Browser();
    empowerZombieBrowser(browser);

    it("signup page", function () {
        return browser.visit('/signup')
            .then(function() {
                // Fill email, password and submit form
                browser.fill('email', 'zombie@underworld.dead');
                browser.fill('password', 'eat-the-living');
                return browser.pressButton('Sign Me Up!');
            })
            .then(function() {
                // Form submitted, new page loaded.
                browser.assert.success();
                browser.assert.text('title', 'Welcome To Brains Depot');
            });

    });
});

mocha.opts

--require ./powered-zombie-loader

package.json

  "name": "powered-zombie",
  "version": "1.0.0",
  "private": true,
  "scripts": {
    "test": "mocha --require ./powered-zombie-loader"
  },
  "author": "Takuto Wada <takuto.wada@gmail.com>",
  "license": "MIT",
  "devDependencies": {
    "empower": "^0.10.0",
    "espower-loader": "^0.10.0",
    "mocha": "^2.1.0",
    "power-assert": "^0.10.2",
    "power-assert-formatter": "^0.10.2",
    "zombie": "^2.5.1"
  }
}

powered-zombie-loader.js

require('espower-loader')({
    cwd: process.cwd(),
    pattern: 'test/**/*.js',
    espowerOptions: {
        destructive: false,
        patterns: [
            'assert(value, [message])',
            'assert.ok(value, [message])',
            'assert.equal(actual, expected, [message])',
            'assert.notEqual(actual, expected, [message])',
            'assert.strictEqual(actual, expected, [message])',
            'assert.notStrictEqual(actual, expected, [message])',
            'assert.deepEqual(actual, expected, [message])',
            'assert.notDeepEqual(actual, expected, [message])',
            'browser.assert.redirected([message])',
            'browser.assert.success([message])',
            'browser.assert.attribute(selection, name, expected, [message])',
            'browser.assert.className(selection, className, [message])',
            'browser.assert.cookie(identifier, expected, [message])',
            'browser.assert.element(selection, [message])',
            'browser.assert.elements(selection, count, [message])',
            'browser.assert.evaluate(expression, expected, [message])',
            'browser.assert.global(name, expected, [message])',
            'browser.assert.hasClass(selection, className, [message])',
            'browser.assert.hasFocus(selection, [message])',
            'browser.assert.hasNoClass(selection, className, [message])',
            'browser.assert.input(selection, expected, [message])',
            'browser.assert.link(selection, text, url, [message])',
            'browser.assert.status(code, [message])',
            'browser.assert.style(selection, style, expected, [message])',
            'browser.assert.text(selection, expected, [message])',
            'browser.assert.url(url, [message])'
        ]
    }
});

🌟