Show More
Commit Description:
utf8mb4
Commit Description:
utf8mb4
References:
File last commit:
Show/Diff file:
Action:
node_modules/ext/test/string/random.js
| 36 lines
| 1.3 KiB
| application/javascript
| JavascriptLexer
|
| r789 | "use strict"; | |||
| var assert = require("chai").assert | ||||
| , random = require("../../string/random"); | ||||
| var isValidFormat = RegExp.prototype.test.bind(/^[a-z0-9]+$/); | ||||
| describe("string/random", function () { | ||||
| it("Should return string", function () { assert.equal(typeof random(), "string"); }); | ||||
| it("Should return by default string of length 10", function () { | ||||
| assert.equal(random().length, 10); | ||||
| }); | ||||
| it("Should support custom charset", function () { | ||||
| var charset = "abc"; | ||||
| var result = random({ charset: charset }); | ||||
| assert.equal(result.length, 10); | ||||
| for (var i = 0; i < result.length; ++i) { | ||||
| assert.isAtLeast(charset.indexOf(result.charAt(i)), 0); | ||||
| } | ||||
| }); | ||||
| it("Should ensure unique string with `isUnique` option", function () { | ||||
| assert.notEqual(random({ isUnique: true }), random({ isUnique: true })); | ||||
| }); | ||||
| it("Should contain only ascii chars", function () { assert(isValidFormat(random())); }); | ||||
| it("Should support `length` option", function () { | ||||
| assert.equal(random({ length: 4 }).length, 4); | ||||
| assert.equal(random({ length: 100 }).length, 100); | ||||
| assert.equal(random({ length: 0 }).length, 0); | ||||
| }); | ||||
| it("Should crash if unable to generate unique string with `isUnique` optin", function () { | ||||
| random({ length: 0, isUnique: true }); | ||||
| assert["throws"](function () { | ||||
| random({ length: 0, isUnique: true }); | ||||
| }, "Cannot generate random string"); | ||||
| }); | ||||
| }); | ||||