@onereach/time-interpreter/test/parseTime.test.js

Convert dates, durations and time to canonical format (dates -> ISO 8601, durations -> milliseconds).

const jsonfile = require("jsonfile/index.js");
const _ = require("lodash");
const assert = require("assert").strict;

const Interpreter = require("../index.js");
const converter = new Interpreter();

// TODO: generate expected results files depending on summer/winter time
const objects = jsonfile.readFileSync("test/parse/objects.json");
const times = jsonfile.readFileSync("test/parse/times.json");

const testParseMethod = (assert, describe, input, expected) => {
    describe("test-1 #parse(date)", function () {
      input.forEach((date, i) => {
        if (typeof date === "number") key = "input-" + date;
        else if (typeof date === "object") key = JSON.stringify(date);
        else key = date;
  
        const expectedResult = expected[key].datetime;
        const actualResult = converter.parse(date, "", "", "2021");
     
        if (actualResult) delete actualResult.isoWithFractSec;
        it(key, function () {
          assert.deepEqual(actualResult, expectedResult);
        });
      });
    });
  
    describe("test-2 #parse(date, 'America/Denver')", function () {
      input.forEach((date, i) => {
        if (typeof date === "number") key = "input-" + date;
        else if (typeof date === "object") key = JSON.stringify(date);
        else key = date;
        const expectedResult = expected[key].inZone;
        const actualResult = converter.parse(date, "America/Denver", "", "2021");
        if (actualResult) delete actualResult.isoWithFractSec;
  
        it(key, function () {
          assert.deepEqual(
            actualResult,
            expectedResult
          );
        });
      });
    });
  
    describe("test-3 #parse(date, 'America/Denver', '-01:00')", function () {
      input.forEach((date, i) => {
        if (typeof date === "number") key = "input-" + date;
        else if (typeof date === "object") key = JSON.stringify(date);
        else key = date;
        const expectedResult = expected[key].outOffset;
        const actualResult = converter.parse(date, "America/Denver", "-01:00", "2021");
        if (actualResult) delete actualResult.isoWithFractSec;
  
        it(key, function () {
          assert.deepEqual(
            actualResult,
            expectedResult
          );
        });
      });
    });

  
    describe("test-4 #parse(date, '+01:00', 'GMT+0', '2021', '2008-12-15')", function () {
      input.forEach((date, i) => {
        if (typeof date === "number") key = "input-" + date;
        else if (typeof date === "object") key = JSON.stringify(date);
        else key = date;
        const expectedResult = expected[key].date;
        const actualResult = converter.parse(date, "+01:00", "GMT+0", "2021", "2008-12-15");
        if (actualResult) delete actualResult.isoWithFractSec;
  
        it(key, function () {
          assert.deepEqual(
            actualResult,
            expectedResult
          );
        });
      });
    });
  };

// TIMES

describe("input string is time value", function () {
  testParseMethod(assert, describe, Object.keys(times), times);
});

// TYPE OF OBJECT

describe("input date/datetime object", function () {
  const obj = Object.keys(objects).map((k) => JSON.parse(k.replace(/\//g, "")));
  testParseMethod(assert, describe, obj, objects);
});