ducky/tst/ducktest-4-options.js

Duck-Typed Value Handling for JavaScript

/*
**  Ducky -- Duck-Typed Value Handling for JavaScript
**  Copyright (c) 2010-2023 Dr. Ralf S. Engelschall <rse@engelschall.com>
**
**  Permission is hereby granted, free of charge, to any person obtaining
**  a copy of this software and associated documentation files (the
**  "Software"), to deal in the Software without restriction, including
**  without limitation the rights to use, copy, modify, merge, publish,
**  distribute, sublicense, and/or sell copies of the Software, and to
**  permit persons to whom the Software is furnished to do so, subject to
**  the following conditions:
**
**  The above copyright notice and this permission notice shall be included
**  in all copies or substantial portions of the Software.
**
**  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
**  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
**  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
**  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
**  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
**  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
**  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/* global require: true */
/* global global: true */
/* global describe: true */
/* global it: true */
/* global expect: true */

global.chai = require("chai")
chai.use(require("chai-fuzzy"))
global.expect = global.chai.expect
global.chai.config.includeStack = true

var ducky = require("../lib/ducky.node.js")

describe("Ducky", function () {
    describe("options()", function () {
        it("should set options correctly", function () {
            var make = function (options) {
                return ducky.options({
                    foo:      [ "string"           ],
                    bar:      [ "boolean", false   ],
                    quux:     [ "number",  1.2     ],
                    sub: {
                        foo:  [ "string",  "dummy" ],
                        bar:  [ "boolean", false   ],
                        quux: [ "number",  2.4     ]
                    }
                }, options)
            }
            expect(function () { make({}) })
                .to.throw(Error)
            expect(make({ foo: "bar" }).foo)
                .to.be.equal("bar")
            expect(make({ foo: "bar" }))
                .to.be.like({ foo: "bar", bar: false, quux: 1.2, sub: { foo: "dummy", bar: false, quux: 2.4 } })
            expect(make({ foo: "bar", bar: true, sub: { foo: "hello", bar: true } }))
                .to.be.like({ foo: "bar", bar: true, quux: 1.2, sub: { foo: "hello", bar: true, quux: 2.4 } })
            expect(make({ foo: "bar" }).merge({ foo: "baz" }).foo)
                .to.be.equal("baz")
        })
    })
})