mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-24 17:35:16 +00:00
37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
|
"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");
|
||
|
|
});
|
||
|
|
});
|