test.js

var painless = require("painless");
var fecha = require("./lib/fecha.umd");
var test = painless.createGroup();
var assert = painless.assert;
var today = new Date();
var year = today.getFullYear();

function testParse(name, str, format, date) {
  test(name, function() {
    assert.equal(+fecha.parse(str, format), +date);
  });
}

function testFormat(name, dateObj, format, expected) {
  test(name, function() {
    assert.equal(fecha.format(dateObj, format), expected);
  });
}
testParse("leap date", "2020-02-29", "YYYY-MM-DD", new Date(2020, 1, 29));
testParse("leap date wrong year", "2019-02-29", "YYYY-MM-DD", null);
testParse(
  "month out of range with too many digits",
  "2016-1234-12",
  "YYYY-MM-DD",
  null
);
testParse("month out of range", "2016-31-12", "YYYY-MM-DD", null);
testParse(
  "zero month results in invalid date",
  "2016-00-12",
  "YYYY-MM-DD",
  null
);
testParse(
  "january parses correctly",
  "2016-01-12",
  "YYYY-MM-DD",
  new Date(2016, 0, 12)
);
testParse(
  "13nth month results in invalid date",
  "2016-13-12",
  "YYYY-MM-DD",
  null
);
testParse(
  "december parses correctly",
  "2016-12-12",
  "YYYY-MM-DD",
  new Date(2016, 11, 12)
);
testParse("date out of range ", "2016-12-52", "YYYY-MM-DD", null);
testParse(
  "zero date results in invalid date ",
  "2016-12-00",
  "YYYY-MM-DD",
  null
);
testParse(
  "first  day of the month ",
  "2016-12-01",
  "YYYY-MM-DD",
  new Date(2016, 11, 1)
);
testParse("invalid", "2016-9876-123", "YYYY-MM-DD", null);
testParse("basic date parse", "2012/05/03", "YYYY/MM/DD", new Date(2012, 4, 3));
testParse(
  "compact basic date parse",
  "20120503",
  "YYYYMMDD",
  new Date(2012, 4, 3)
);
testParse(
  "basic date parse with time",
  "2012/05/03 05:01:40",
  "YYYY/MM/DD HH:mm:ss",
  new Date(2012, 4, 3, 5, 1, 40)
);
testParse(
  "date with different slashes",
  "2012-05-03 05:01:40",
  "YYYY-MM-DD HH:mm:ss",
  new Date(2012, 4, 3, 5, 1, 40)
);
testParse(
  "date with different order",
  "11-7-97",
  "D-M-YY",
  new Date(1997, 6, 11)
);
testParse("date very short", "2-8-04", "D-M-YY", new Date(2004, 7, 2));
testParse("ordinal day 3rd", "3rd May", "Do MMM", new Date(year, 4, 3));
testParse(
  "ordinal day 23rd, 2013",
  "23rd May, 2013",
  "Do MMM, YYYY",
  new Date(2013, 4, 23)
);
testParse(
  "ordinal day 12th, 2002",
  "nd12 Nov, 2002",
  "Do MMM, YYYY",
  new Date(2002, 10, 12)
);
testParse(
  "13th Dec, 1995",
  "13th Dec, 1995",
  "Do MMM, YYYY",
  new Date(1995, 11, 13)
);
testParse("Long month", "December", "MMMM", new Date(year, 11, 1));
testParse("Long month invalid", "Decembr", "MMMM", null);
testParse(
  "1st February, 1982",
  "1st February, 1982",
  "Do MMMM, YYYY",
  new Date(1982, 1, 1)
);
testParse("compact", "11081997", "MMDDYYYY", new Date(1997, 10, 8));
testParse(
  "month names",
  "March 3rd, 1999",
  "MMMM Do, YYYY",
  new Date(1999, 2, 3)
);
testParse(
  "month names short",
  "Jun 12, 2003",
  "MMM D, YYYY",
  new Date(2003, 5, 12)
);
testParse(
  "day name",
  "Wednesday Feb 03, 2100",
  "dddd MMM DD, YYYY",
  new Date(2100, 1, 3)
);
testParse(
  "ampm 10PM",
  "2015-11-07 10PM",
  "YYYY-MM-DD hhA",
  new Date(2015, 10, 7, 22)
);
testParse("ampm imvalid", "2015-11-07 10ZM", "YYYY-MM-DD hhA", null);
testParse("ampm 9AM", "2015-11-07 9AM", "YYYY-MM-DD hhA", null);
testParse(
  "ampm 12am",
  "2000-01-01 12AM",
  "YYYY-MM-DD hhA",
  new Date(2000, 0, 1, 0)
);
testParse(
  "ampm 3am",
  "2000-01-01 12AM",
  "YYYY-MM-DD hhA",
  new Date(2000, 0, 1, 0)
);
testParse(
  "ampm am lowercase",
  "2000-01-01 11am",
  "YYYY-MM-DD hha",
  new Date(2000, 0, 1, 11)
);
testParse(
  "noon pm lowercase",
  "2000-01-01 12pm",
  "YYYY-MM-DD hha",
  new Date(2000, 0, 1, 12)
);
testParse(
  "24 hour time long",
  "2000-01-01 20",
  "YYYY-MM-DD HH",
  new Date(2000, 0, 1, 20)
);
testParse(
  "24 hour time long 02",
  "2000-01-01 02",
  "YYYY-MM-DD HH",
  new Date(2000, 0, 1, 2)
);
testParse(
  "24 hour time short",
  "2000-01-01 3",
  "YYYY-MM-DD H",
  new Date(2000, 0, 1, 3)
);
testParse(
  "milliseconds time",
  "10:20:30.123",
  "HH:mm:ss.SSS",
  new Date(year, 0, 1, 10, 20, 30, 123)
);
testParse(
  "milliseconds medium",
  "10:20:30.12",
  "HH:mm:ss.SS",
  new Date(year, 0, 1, 10, 20, 30, 120)
);
testParse(
  "milliseconds short",
  "10:20:30.1",
  "HH:mm:ss.S",
  new Date(year, 0, 1, 10, 20, 30, 100)
);
testParse(
  "timezone offset",
  "09:20:31 GMT-0500 (EST)",
  "HH:mm:ss [GMT]ZZ [(EST)]",
  new Date(Date.UTC(year, 0, 1, 14, 20, 31))
);
testParse(
  "timezone offset positive",
  "09:20:31 GMT+0611",
  "HH:mm:ss [GMT]ZZ",
  new Date(Date.UTC(year, 0, 1, 3, 9, 31))
);
testParse(
  "timezone offset large",
  "09:20:31 GMT-2330 (EST)",
  "HH:mm:ss [GMT]ZZ [(EST)]",
  new Date(Date.UTC(year, 0, 2, 8, 50, 31))
);
testParse(
  "UTC timezone offset",
  "09:20:31 GMT-0000 (UTC)",
  "HH:mm:ss ZZ",
  new Date(Date.UTC(year, 0, 1, 9, 20, 31))
);
testParse(
  "UTC timezone offset without explicit offset",
  "09:20:31Z",
  "HH:mm:ssZZ",
  new Date(Date.UTC(year, 0, 1, 9, 20, 31))
);
testParse(
  "UTC timezone offset without GMT",
  "09:20:31 -0000 (UTC)",
  "HH:mm:ss ZZ",
  new Date(Date.UTC(year, 0, 1, 9, 20, 31))
);
testParse("invalid date", "hello", "HH:mm:ss ZZ", null);
testParse(
  "formatted date with brackets",
  "2019-04-12T15:53",
  "YYYY-MM-DD[T]HH:mm",
  new Date(2019, 3, 12, 15, 53)
);
testParse(
  "extra characters no brackets",
  "xxxx 2000-01-01 xxxx",
  "xxxx YYYY-MM-DD xxxx",
  new Date(2000, 0, 1)
);
test.beforeEach(() => {
  fecha.setGlobalDateI18n(fecha.defaultI18n);
});
test("test i18n settings override", function() {
  fecha.setGlobalDateI18n({
    monthNamesShort: [
      "aaa",
      "bbb",
      "ccc",
      "ddd",
      "eee",
      "fff",
      "ggg",
      "hhh",
      "iii",
      "jjj",
      "kkk",
      "lll"
    ]
  });
  assert.equal(+fecha.parse("ddd 2120", "MMM YYYY"), +new Date(2120, 3, 1));
});
test("i18n month short parse", function() {
  assert.equal(
    +fecha.parse("Def 3rd, 2021", "MMM Do, YYYY", {
      monthNamesShort: [
        "Adk",
        "Def",
        "Sdfs",
        "Sdf",
        "Sdh",
        "Tre",
        "Iis",
        "Swd",
        "Ews",
        "Sdf",
        "Qaas",
        "Ier"
      ]
    }),
    +new Date(2021, 1, 3)
  );
});
test("i18n month long parse", function() {
  assert.equal(
    +fecha.parse("Defg 3rd, 2021", "MMMM Do, YYYY", {
      monthNames: [
        "Adk",
        "Defg",
        "Sdfs",
        "Sdf",
        "Sdh",
        "Tre",
        "Iis",
        "Swd",
        "Ews",
        "Sdf",
        "Qaas",
        "Ier"
      ]
    }),
    +new Date(2021, 1, 3)
  );
});
test("i18n pm parse", function() {
  assert.equal(
    +fecha.parse("2018-05-02 10GD", "YYYY-MM-DD hhA", {
      amPm: ["sd", "gd"]
    }),
    +new Date(2018, 4, 2, 22)
  );
});
test("i18n am parse", function() {
  assert.equal(
    +fecha.parse("2018-05-02 10SD", "YYYY-MM-DD hhA", {
      amPm: ["sd", "gd"]
    }),
    +new Date(2018, 4, 2, 10)
  );
});
test("invalid date no format", function() {
  assert.throws(function() {
    fecha.parse("hello");
  });
});
test("no format specified", function() {
  assert.throws(function() {
    fecha.parse("2014-11-05", false);
  });
});
test("year format specified twice", function() {
  assert.throws(function() {
    fecha.parse("2014-2015", "YYYY-YYYY");
  });
});
test("12 hour format without am/pm", function() {
  assert.throws(function() {
    fecha.parse("09:24", "hh:mm");
  });
});
test("long input null", function() {
  var input = "";
  for (var i = 0; i < 1002; i++) {
    input += "1";
  }
  assert.equal(fecha.parse(input, "HH"), null);
});

// // Day of the month
testFormat("Day of the month", new Date(2014, 2, 5), "D", "5");
testFormat("Day of the month padded", new Date(2014, 2, 5), "DD", "05");

// Day of the week
testFormat("Day of the week short", new Date(2015, 0, 8), "d", "4");
testFormat("Day of the week long", new Date(2015, 0, 10), "dd", "06");
testFormat("Day of the week short name", new Date(2014, 2, 5), "ddd", "Wed");
testFormat(
  "Day of the week long name",
  new Date(2014, 2, 5),
  "dddd",
  "Wednesday"
);

// Month
testFormat("Month", new Date(2014, 2, 5), "M", "3");
testFormat("Month padded", new Date(2014, 2, 5), "MM", "03");
testFormat("Month short name", new Date(2014, 2, 5), "MMM", "Mar");
testFormat("Month full name mmmm", new Date(2014, 2, 5), "MMMM", "March");

// Year
testFormat("Year short", new Date(2001, 2, 5), "YY", "01");
testFormat("Year long", new Date(2001, 2, 5), "YYYY", "2001");

// Hour
testFormat("Hour 12 hour short", new Date(2001, 2, 5, 6), "h", "6");
testFormat("Hour 12 hour padded", new Date(2001, 2, 5, 6), "hh", "06");
testFormat("Hour 12 hour short 2", new Date(2001, 2, 5, 14), "h", "2");
testFormat("Hour 12 hour short noon", new Date(2001, 2, 5, 12), "h", "12");
testFormat("Hour 12 hour short midnight", new Date(2001, 2, 5, 0), "h", "12");
testFormat("Hour 12 hour padded 2", new Date(2001, 2, 5, 14), "hh", "02");
testFormat("Hour 12 hour padded noon", new Date(2001, 2, 5, 12), "hh", "12");
testFormat("Hour 12 hour padded midnight", new Date(2001, 2, 5, 0), "hh", "12");
testFormat("Hour 24 hour short", new Date(2001, 2, 5, 13), "H", "13");
testFormat("Hour 24 hour padded", new Date(2001, 2, 5, 13), "HH", "13");
testFormat("Hour 24 hour short", new Date(2001, 2, 5, 3), "H", "3");
testFormat("Hour 24 hour padded", new Date(2001, 2, 5, 3), "HH", "03");

// Minute
testFormat("Minutes short", new Date(2001, 2, 5, 6, 7), "m", "7");
testFormat("Minutes padded", new Date(2001, 2, 5, 6, 7), "mm", "07");

// Seconds
testFormat("Seconds short", new Date(2001, 2, 5, 6, 7, 2), "s", "2");
testFormat("Seconds padded", new Date(2001, 2, 5, 6, 7, 2), "ss", "02");

// Milliseconds
testFormat("milliseconds short", new Date(2001, 2, 5, 6, 7, 2, 500), "S", "5");
testFormat("milliseconds short 2", new Date(2001, 2, 5, 6, 7, 2, 2), "S", "0");
testFormat(
  "milliseconds medium",
  new Date(2001, 2, 5, 6, 7, 2, 300),
  "SS",
  "30"
);
testFormat(
  "milliseconds medium 2",
  new Date(2001, 2, 5, 6, 7, 2, 10),
  "SS",
  "01"
);
testFormat("milliseconds long", new Date(2001, 2, 5, 6, 7, 2, 5), "SSS", "005");

// AM PM
testFormat("ampm am", new Date(2001, 2, 5, 3, 7, 2, 5), "a", "am");
testFormat("ampm pm", new Date(2001, 2, 5, 15, 7, 2, 5), "a", "pm");
testFormat("ampm AM", new Date(2001, 2, 5, 3, 7, 2, 5), "A", "AM");
testFormat("ampm PM", new Date(2001, 2, 5, 16, 7, 2, 5), "A", "PM");

// th, st, nd, rd
testFormat("th 11", new Date(2001, 2, 11), "Do", "11th");
testFormat("th 6", new Date(2001, 2, 6), "Do", "6th");
testFormat("st", new Date(2001, 2, 21), "Do", "21st");
testFormat("nd", new Date(2001, 2, 2), "Do", "2nd");
testFormat("rd", new Date(2001, 2, 23), "Do", "23rd");

// Timezone offset
test("timezone offset", function() {
  assert(fecha.format(new Date(2001, 2, 11), "ZZ").match(/^[\+\-]\d{4}$/));
});

// Random groupings
testFormat(
  "MM-DD-YYYY HH:mm:ss",
  new Date(2001, 2, 5, 6, 7, 2, 5),
  "MM-DD-YYYY HH:mm:ss",
  "03-05-2001 06:07:02"
);
testFormat(
  "MMMM D, YY",
  new Date(1987, 0, 8, 6, 7, 2, 5),
  "MMMM D, YY",
  "January 8, 87"
);
testFormat(
  "M MMMM MM YYYY, YY",
  new Date(1987, 0, 8, 6, 7, 2, 5),
  "M MMMM MM YYYY, YY",
  "1 January 01 1987, 87"
);
testFormat(
  "YYYY/MM/DD HH:mm:ss",
  new Date(2031, 10, 29, 2, 1, 9, 5),
  "YYYY/MM/DD HH:mm:ss",
  "2031/11/29 02:01:09"
);
testFormat(
  "D-M-YYYY",
  new Date(2043, 8, 18, 2, 1, 9, 5),
  "D-M-YYYY",
  "18-9-2043"
);
testFormat("current date", new Date(), "YYYY", "" + new Date().getFullYear());
testFormat("mask", new Date(1999, 0, 2), "mediumDate", "Jan 2, 1999");
testFormat(
  "number date",
  1325376000000,
  "YYY-MM-DD HH:mm:ss",
  fecha.format(new Date(Date.UTC(2012, 0, 1)), "YYY-MM-DD HH:mm:ss")
);
testFormat("compact date format", new Date(2012, 4, 3), "YYYYMMDD", "20120503");
test("i18n am format", function() {
  assert.equal(
    fecha.format(new Date(2018, 4, 2, 10), "YYYY-MM-DD HHA", {
      amPm: ["sd", "gd"],
      DoFn: function() {}
    }),
    "2018-05-02 10SD"
  );
});
test("no format", function() {
  assert.equal(
    fecha.format(new Date(2017, 4, 2, 10)),
    "Tue May 02 2017 10:00:00"
  );
});
testFormat(
  "date with leading zeros",
  new Date(999, 0, 1),
  "YYYY/MM/DD",
  "0999/01/01"
);
testFormat(
  "date with leading zeros short",
  new Date(999, 0, 1),
  "YY/MM/DD",
  "99/01/01"
);
testFormat(
  "date with extra data in format",
  new Date(1963, 0, 1),
  "xxx YY/MM/DD xxx",
  "xxx 63/01/01 xxx"
);

// Literals
var date = new Date(2009, 1, 14, 15, 25, 50, 125);

testFormat(
  "literal in format",
  date,
  "[on] MM-DD-YYYY [at] HH:mm",
  "on 02-14-2009 at 15:25"
);
testFormat("one literal", date, "[day]", "day");
testFormat("two literals", date, "[day] YY [YY]", "day 09 YY");
testFormat("incomplete literal", date, "[YY", "[09");
testFormat("literal inside literal", date, "[[YY]]", "[YY]");
testFormat("bracket inside literal", date, "[[]", "[");
testFormat("new lines", date, "YYYY[\n]DD[\n]", "2009\n14\n");
test("Invalid date", function() {
  assert.throws(function() {
    fecha.format("hello", "YYYY");
  });
});
test("Invalid date number", function() {
  assert.throws(function() {
    fecha.format(89237983724982374, "YYYY");
  });
});
test("string date", function() {
  assert.throws(function() {
    fecha.format("2011-10-01", "MM-DD-YYYY");
  });
});