micro-strptime/test/test.js

micro strptime implementation on JavaScript

#!/usr/bin/env node

import test from 'node:test';
import assert from 'node:assert';
import { strptime } from '../lib/micro-strptime.js';

test('strptime returns Date', () => {
  assert.ok(strptime('2012', '%Y') instanceof Date);
});

test('strptime throws on parse error', () => {
  assert.throws(() => strptime('xxxx', '%Y-%m-%d'), /Failed to parse/);
  assert.throws(() => strptime('xxxx'), /Missing format/);
  assert.throws(() => strptime('2012', '%"unknown"'), /Unknown format descriptor: "unknown"/);
});

function testDate(strings, date) {
  strings.forEach(i => {
    const expectedDate = new Date(date);
    let actualDate;
    try {
      actualDate = strptime(i.string, i.format);
      assert.equal(String(actualDate), String(expectedDate));
    } catch (e) {
      console.log(`FAIL: ${i.format}: ${i.string}`);
      console.log(`ACTUAL: ${String(actualDate)}`);
      console.log(`EXPECTED: ${String(expectedDate)}`);
      console.log(e);
    }
  });
}

test('strptime date patterns', () => {
  testDate([
    { string: '2012-05-05T09:00:00.00+09:00',                 format : '%Y-%m-%dT%H:%M:%S.%s%Z' },
    { string: '20120505000000',                               format : '%Y%m%d%H%M%S' },
    { string: '2012-05-05T09:00:00+09:00',                    format : '%Y-%m-%dT%H:%M:%S%Z' },
    { string: '2012-05-05 09:00:00+09:00',                    format : '%Y-%m-%d %H:%M:%S%Z' },
    { string: '2012-05-05 00:00:00+00:00',                    format : '%Y-%m-%d %H:%M:%S%Z' },
    { string: '2012-05-05 00:00:00Z',                         format : '%Y-%m-%d %H:%M:%S%Z' },
    { string: '05/May/2012:09:00:00 +0900',                   format : '%d/%B/%Y:%H:%M:%S %Z' },
    { string: '05/5/2012:09:00:00 +0900',                     format : '%d/%m/%Y:%H:%M:%S %Z' },
    { string: 'Sat, 05 May 2012 09:00:00 +0900',              format : '%A, %d %B %Y %H:%M:%S %Z' },
    { string: 'Sat, 05 May 2012 09:00:00 +0900',              format : '%a, %d %b %Y %H:%M:%S %z' },
    { string: 'Sat May 05 2012 09:00:00 GMT+0900 (JST)',      format : '%A %B %d %Y %H:%M:%S GMT%Z' },
    { string: 'Saturday May 05 2012 09:00:00 GMT+0900 (JST)', format : '%A %B %d %Y %H:%M:%S GMT%Z' }
  ], Date.UTC(2012, 4, 5, 0, 0, 0));
});

test('strptime 12-hour digital clocks', () => {
  testDate([{ string: '2012-05-05 12:00:00 AM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 0, 0, 0));
  testDate([{ string: '2012-05-05 12:01:00 AM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 0, 1, 0));
  testDate([{ string: '2012-05-05 01:00:00 AM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 1, 0, 0));
  testDate([{ string: '2012-05-05 12:00:00 PM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 12, 0, 0));
  testDate([{ string: '2012-05-05 12:01:00 PM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 12, 1, 0));
  testDate([{ string: '2012-05-05 01:00:00 PM', format : '%Y-%m-%d %I:%M:%S %p' } ], Date.UTC(2012, 4, 5, 13, 0, 0));
});

test('strptime 12-hour digital clocks (AM/PM前置)', () => {
  testDate([{ string: '2012-05-05 AM 12:00:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 0, 0, 0));
  testDate([{ string: '2012-05-05 AM 12:01:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 0, 1, 0));
  testDate([{ string: '2012-05-05 AM 01:00:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 1, 0, 0));
  testDate([{ string: '2012-05-05 PM 12:00:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 12, 0, 0));
  testDate([{ string: '2012-05-05 PM 12:01:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 12, 1, 0));
  testDate([{ string: '2012-05-05 PM 01:00:00', format : '%Y-%m-%d %p %I:%M:%S' } ], Date.UTC(2012, 4, 5, 13, 0, 0));
});

test('strptime leap year', () => {
  testDate([
    { string: '29/Feb/2016:09:00:00 +0700', format : '%d/%B/%Y:%H:%M:%S %Z' }
  ], new Date("2016-02-29T02:00:00Z"));
});