testdouble/lib/value/double.js

A minimal test double library for TDD with JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("../wrap/lodash");
class Double {
    static create(name, real, parent, fakeCreator) {
        const double = new Double(name, real, parent);
        if (fakeCreator)
            double.fake = fakeCreator(double);
        return double;
    }
    constructor(name, real, parent) {
        this.name = name;
        this.real = real;
        this.children = new Set();
        if (parent) {
            this.parent = parent;
            parent.addChild(this);
        }
    }
    addChild(child) {
        this.children.add(child);
        child.parent = this;
    }
    get fullName() {
        if (!lodash_1.default.some(lodash_1.default.map(this.ancestors, 'name')))
            return this.name;
        return lodash_1.default.map(this.ancestors.concat(this), (ancestor) => ancestor.name == null ? '(unnamed)' : ancestor.name).join('.');
    }
    get ancestors() {
        if (!this.parent)
            return [];
        return this.parent.ancestors.concat(this.parent);
    }
    toString() {
        return this.fullName == null ? '[test double (unnamed)]' : `[test double for "${this.fullName}"]`;
    }
}
exports.default = Double;