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

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

const jsonfile = require("jsonfile/index.js");
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/formatTime/objects.json");
const numbers = jsonfile.readFileSync("test/formatTime/numbers.json");
const stringNumbers = jsonfile.readFileSync(
  "test/formatTime/string-numbers.json"
);
const times = jsonfile.readFileSync("test/formatTime/times.json");
const invalid = jsonfile.readFileSync("test/formatTime/invalid.json");

const testFormatTime = (assert, describe, input, expected) => {
  const defResult = {
    "offsetNum": undefined,
    "time": undefined,
    "timezoneOffset": undefined,
    "zoneName": undefined
  };

  describe("test-1 #formatTime(time, '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;
      let expectedResult = expected[key].inZone;
      const actualResult = converter.formatTime(date, "America/Denver");
      if (actualResult) delete actualResult.timeWithFractSec;
      if (JSON.stringify(expectedResult) === "{}") expectedResult = defResult;

      it(key, function () {
        assert.deepEqual(
          actualResult,
          expectedResult
        );
      });
    });
  });

  describe("test-2 #formatTime(time, '+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;
      let expectedResult = expected[key].inOffset;
      const actualResult = converter.formatTime(date, "+01:00");
      if (actualResult) delete actualResult.timeWithFractSec;
      if (JSON.stringify(expectedResult) === "{}") expectedResult = defResult;

      it(key, function () {
        assert.deepEqual(actualResult, expectedResult);
      });
    });
  });
};