test.js

"use strict";

let lib = require("./lib"),
  Timestamper = lib.Timestamper,
  mocha = require("mocha"),
  should = require("should"),
  fs = require("fs");

describe("Timestamper", () => {
  describe("#timestamp", () => {
    it("should return a timestamp of the given date", () => {
      let timestamper = new Timestamper(),
        date1 = new Date("2016-11-11T12:19:37.000Z"),
        date2 = new Date("2016-05-11T12:19:37.000Z"),
        stampString1 = "20161111121937",
        stampString2 = "20160511121937";
      timestamper.timestamp(date1).should.equal(stampString1);
      timestamper.timestamp(date2).should.equal(stampString2);
    });
    it("should return a timestamp of the current date if a timestamp is not given", () => {
      let timestamp = new Timestamper();
      timestamp
        .timestamp()
        .should.be.an.instanceOf(String)
        .and.have.lengthOf(14);
    });
  });

  describe("#stampedNames", () => {
    it("should return a file name with a timestamp", () => {
      let timestamper = new Timestamper(),
        fileName = "temp-file",
        stampedName = timestamper.stampedNames(fileName);
      /^\d{14}\_\w+/.test(stampedName).should.be.true();
    });
    it("should return an array of timestamped file names if given more than one name", () => {
      let timestamper = new Timestamper(),
        fileName1 = "temp-file1",
        fileName2 = "temp-file2",
        stampedNames = timestamper.stampedNames(fileName1, fileName2);
      stampedNames.should.be.an.instanceOf(Array);
      stampedNames.length.should.be.exactly(2);
    });
    it("should return an array of files names with a timestamp and sequence if given an array of names", () => {
      let timestamper = new Timestamper(),
        fileNames = ["temp-file1", "temp-file2"],
        stampedNames = timestamper.stampedNames(...fileNames);
      stampedNames.forEach((stampedName, i) => {
        new RegExp(`\\d{14}_${i + 1}_${fileNames[i]}`)
          .test(stampedName)
          .should.be.true();
      });
    });
  });
});