@hkvstore/taco-cli/test/templates.js

taco-cli is a command-line interface for rapid Apache Cordova development (forked from Microsoft taco-cli)

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.
/// <reference path="../../typings/mocha.d.ts"/>
/// <reference path="../../typings/should.d.ts"/>
/// <reference path="../../typings/tacoUtils.d.ts"/>
/// <reference path="../../typings/tacoKits.d.ts"/>
/// <reference path="../../typings/tacoTestsUtils.d.ts"/>
"use strict";
/* tslint:disable:no-var-requires */
// var require needed for should module to work correctly
// Note not import: We don't want to refer to shouldModule, but we need the require to occur since it modifies the prototype of Object.
var shouldModule = require("should");
/* tslint:enable:no-var-requires */
/* tslint:disable:no-var-requires */
// Special case to allow using color package with index signature for style rules
var colors = require("colors/safe");
/* tslint:enable:no-var-requires */
var os = require("os");
var path = require("path");
var Templates = require("../cli/templates");
var tacoTestsUtils = require("taco-tests-utils");
var MemoryStream = tacoTestsUtils.MemoryStream;
describe("templates", function () {
    function templatesRun() {
        var templates = new Templates();
        return templates.run([]);
    }
    var previous;
    before(function () {
        previous = process.env["TACO_UNIT_TEST"];
        process.env["TACO_UNIT_TEST"] = true;
        var tacoHome = path.join(os.tmpdir(), "taco-cli", "templates");
        // Use a dummy home location so we don't trash any real configurations
        process.env["TACO_HOME"] = tacoHome;
    });
    after(function () {
        process.env["TACO_UNIT_TEST"] = previous;
    });
    it("'taco templates' should not throw any error", function (done) {
        templatesRun().then(done, done);
    });
    describe("Onboarding experience", function () {
        // because of function overloading assigning "(buffer: string, cb?: Function) => boolean" as the type for
        // stdoutWrite just doesn't work
        var stdoutWrite = process.stdout.write; // We save the original implementation, so we can restore it later
        var memoryStdout;
        beforeEach(function () {
            memoryStdout = new MemoryStream; // Each individual test gets a new and empty console
            process.stdout.write = memoryStdout.writeAsFunction(); // We'll be printing into an "in-memory" console, so we can test the output
        });
        after(function () {
            // We just need to reset the stdout just once, after all the tests have finished
            process.stdout.write = stdoutWrite;
        });
        it("templates prints the onboarding experience", function (done) {
            templatesRun().done(function () {
                var expected = [
                    "CommandTemplatesHeader",
                    "",
                    "   blank ............... BlankTemplateName",
                    "   typescript .......... TypescriptTemplateName",
                    "",
                    "HowToUseCreateProjectWithTemplate",
                    ""].join("\n");
                var actual = colors.strip(memoryStdout.contentsAsText()); // The colors add extra characters
                actual.should.be.equal(expected);
                done();
            }, done);
        });
    });
});

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