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node_modules/cron-parser/test/parser_crondate_formats.js

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+var luxon = require('luxon');
+var test = require('tap').test;
+var CronDate = require('../lib/date');
+
+test('parse cron date formats with local timezone', (t) => {
+  // Some tests need the local offset to be compatible without invoking timezone management.
+  // Local offset is dependent on what the system being tested on is
+  var offset = new Date().getTimezoneOffset();
+  var offsetHours = Math.abs(Math.floor(offset/60));
+  var offsetMinutes = offset % 60;
+  var offsetSign = offset < 0 ? '-' : '+';
+
+  var expectedTime = new Date(2021, 0, 4, 10, 0, 0).toString();
+
+  test('undefined date', (t) => {
+    const realDate = new Date();
+    var d = new CronDate();
+
+    t.equal(d.toDate().toString(), realDate.toString());
+
+    t.end();
+  });
+
+  test('JS Date', (t) => {
+    var d = new CronDate(new Date(2021, 0, 4, 10, 0, 0));
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('ISO 8601', (t) => {
+    var d = new CronDate('2021-01-04T10:00:00');
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('ISO 8601 date', (t) => {
+
+    var d = new CronDate('2021-01-04');
+    var expectedTime = new Date(2021, 0, 4, 0, 0, 0).toString();
+
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('RFC2822', (t) => {
+    var offsetString = offsetSign + String(offsetHours).padStart(2, 0) + String(offsetMinutes).padStart(2, 0);
+
+    var d = new CronDate('Mon, 4 Jan 2021 10:00:00 ' + offsetString);
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('RFC2822-like without timezone offset', (t) => {
+    var d = new CronDate('Mon, 4 Jan 2021 10:00:00');
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('SQL', (t) => {
+    var d = new CronDate('2021-01-04 10:00:00');
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('milliseconds', (t) => {
+    var d = new CronDate(new Date('2021-01-04 10:00:00').valueOf());
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('CronDate', (t) => {
+    var date = new CronDate('Mon, 4 Jan 2021 10:00:00');
+    var d = new CronDate(date);
+    t.equal(d.toDate().toString(), expectedTime);
+
+    t.end();
+  });
+
+  test('invalid', (t) => {
+    t.throws(() => {
+      var d = new CronDate('2021-01-4 10:00:00');
+    });
+
+    t.end();
+  });
+
+  t.end();
+});
+
+test('parse cron date formats with another timezone', (t) => {
+  test('ISO 8601 without offset', (t) => {
+    // implies format already in timezone
+    var d = new CronDate('2021-01-04T10:00:00', 'Europe/Athens');
+    t.equal(d.toISOString(), '2021-01-04T08:00:00.000Z');
+
+    t.end();
+  });
+
+  test('ISO 8601 with non-local offset', (t) => {
+    var d = new CronDate('2021-01-04T10:00:00+01:00', 'Europe/Athens');
+    t.equal(d.toISOString(), '2021-01-04T09:00:00.000Z');
+
+    t.end();
+  });
+
+  test('RFC2822 with non-local offset', (t) => {
+    var d = new CronDate('Mon, 4 Jan 2021 10:00:00 +0100', 'Europe/Athens');
+    t.equal(d.toISOString(), '2021-01-04T09:00:00.000Z');
+
+    t.end();
+  });
+
+  test('milliseconds', (t) => {
+    var date = luxon.DateTime.fromISO('2021-01-04T11:00:00.000+02:00').valueOf();
+    var d = new CronDate(date, 'Europe/Athens');
+    t.equal(d.toISOString(), '2021-01-04T09:00:00.000Z');
+
+    t.end();
+  });
+
+  test('CronDate with same timezone', (t) => {
+    var date = new CronDate('Mon, 4 Jan 2021 10:00:00', 'Europe/Athens');
+    var d = new CronDate(date);
+    t.equal(d.toISOString(), '2021-01-04T08:00:00.000Z');
+
+    t.end();
+  });
+
+  test('CronDate with different timezone', (t) => {
+    var date = new CronDate('Mon, 4 Jan 2021 10:00:00', 'America/New_York');
+    var d = new CronDate(date, 'Europe/Athens');
+    t.equal(d.toISOString(), '2021-01-04T15:00:00.000Z');
+
+    t.end();
+  });
+
+  t.end('crondate input should');
+});