chrono-node/test/en/en_month_name_little_endian.test.ts

A natural language date parser in Javascript

import * as chrono from "../../src";
import { testSingleCase, testUnexpectedResult } from "../test_util";

test("Test - Single expression", () => {
    testSingleCase(chrono, "10 August 2012", new Date(2012, 7, 10), (result) => {
        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.index).toBe(0);
        expect(result.text).toBe("10 August 2012");

        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
    });

    testSingleCase(chrono, "3rd Feb 82", new Date(2012, 7, 10), (result) => {
        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(1982);
        expect(result.start.get("month")).toBe(2);
        expect(result.start.get("day")).toBe(3);

        expect(result.index).toBe(0);
        expect(result.text).toBe("3rd Feb 82");

        expect(result.start).toBeDate(new Date(1982, 2 - 1, 3, 12));
    });

    testSingleCase(chrono, "Sun 15Sep", new Date(2013, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("Sun 15Sep");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(9);
        expect(result.start.get("day")).toBe(15);

        expect(result.start).toBeDate(new Date(2013, 9 - 1, 15, 12));
    });

    testSingleCase(chrono, "SUN 15SEP", new Date(2013, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("SUN 15SEP");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(9);
        expect(result.start.get("day")).toBe(15);

        expect(result.start).toBeDate(new Date(2013, 9 - 1, 15, 12));
    });

    testSingleCase(chrono, "The Deadline is 10 August", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(16);
        expect(result.text).toBe("10 August");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
    });

    testSingleCase(chrono, "The Deadline is Tuesday, 10 January", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(16);
        expect(result.text).toBe("Tuesday, 10 January");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(1);
        expect(result.start.get("day")).toBe(10);
        expect(result.start.get("weekday")).toBe(2);

        expect(result.start).toBeDate(new Date(2013, 1 - 1, 10, 12));
    });

    testSingleCase(chrono, "The Deadline is Tue, 10 January", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(16);
        expect(result.text).toBe("Tue, 10 January");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(1);
        expect(result.start.get("day")).toBe(10);
        expect(result.start.get("weekday")).toBe(2);

        expect(result.start).toBeDate(new Date(2013, 1 - 1, 10, 12));
    });

    testSingleCase(chrono, "31st March, 2016", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("31st March, 2016");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2016);
        expect(result.start.get("month")).toBe(3);
        expect(result.start.get("day")).toBe(31);

        expect(result.start).toBeDate(new Date(2016, 3 - 1, 31, 12));
    });

    testSingleCase(chrono, "23rd february, 2016", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("23rd february, 2016");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2016);
        expect(result.start.get("month")).toBe(2);
        expect(result.start.get("day")).toBe(23);

        expect(result.start).toBeDate(new Date(2016, 2 - 1, 23, 12));
    });
});

test("Test - Single expression with separators", () => {
    testSingleCase(chrono, "10-August 2012", new Date(2012, 7, 8), (result, text) => {
        expect(result.text).toBe(text);
        expect(result).toBeDate(new Date(2012, 8 - 1, 10, 12, 0));
    });

    testSingleCase(chrono, "10-August-2012", new Date(2012, 7, 8), (result, text) => {
        expect(result.text).toBe(text);
        expect(result).toBeDate(new Date(2012, 8 - 1, 10, 12, 0));
    });

    testSingleCase(chrono, "10/August 2012", new Date(2012, 7, 8), (result, text) => {
        expect(result.text).toBe(text);
        expect(result).toBeDate(new Date(2012, 8 - 1, 10, 12, 0));
    });

    testSingleCase(chrono, "10/August/2012", new Date(2012, 7, 8), (result, text) => {
        expect(result.text).toBe(text);
        expect(result).toBeDate(new Date(2012, 8 - 1, 10, 12, 0));
    });
});

test("Test - Range expression", () => {
    testSingleCase(chrono, "10 - 22 August 2012", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("10 - 22 August 2012");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));

        expect(result.end).not.toBeNull();
        expect(result.end.get("year")).toBe(2012);
        expect(result.end.get("month")).toBe(8);
        expect(result.end.get("day")).toBe(22);

        expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
    });

    testSingleCase(chrono, "10 to 22 August 2012", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("10 to 22 August 2012");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));

        expect(result.end).not.toBeNull();
        expect(result.end.get("year")).toBe(2012);
        expect(result.end.get("month")).toBe(8);
        expect(result.end.get("day")).toBe(22);

        expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
    });

    testSingleCase(chrono, "10 August - 12 September", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("10 August - 12 September");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));

        expect(result.end).not.toBeNull();
        expect(result.end.get("year")).toBe(2012);
        expect(result.end.get("month")).toBe(9);
        expect(result.end.get("day")).toBe(12);

        expect(result.end).toBeDate(new Date(2012, 9 - 1, 12, 12));
    });

    testSingleCase(chrono, "10 August - 12 September 2013", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("10 August - 12 September 2013");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(10);

        expect(result.start).toBeDate(new Date(2013, 8 - 1, 10, 12));

        expect(result.end).not.toBeNull();
        expect(result.end.get("year")).toBe(2013);
        expect(result.end.get("month")).toBe(9);
        expect(result.end.get("day")).toBe(12);

        expect(result.end).toBeDate(new Date(2013, 9 - 1, 12, 12));
    });

    testSingleCase(chrono, " 17 August 2013 to 19 August 2013", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("17 August 2013 to 19 August 2013");

        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(17);

        expect(result.end.get("year")).toBe(2013);
        expect(result.end.get("month")).toBe(8);
        expect(result.end.get("day")).toBe(19);
    });
});

test("Test - Combined expression", () => {
    testSingleCase(chrono, "12th of July at 19:00", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("12th of July at 19:00");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(7);
        expect(result.start.get("day")).toBe(12);

        expect(result.start).toBeDate(new Date(2012, 7 - 1, 12, 19, 0));
    });

    testSingleCase(chrono, "5 May 12:00", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("5 May 12:00");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(5);
        expect(result.start.get("day")).toBe(5);

        expect(result.start).toBeDate(new Date(2012, 5 - 1, 5, 12, 0));
    });

    testSingleCase(chrono, "7 May 11:00", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(0);
        expect(result.text).toBe("7 May 11:00");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(5);
        expect(result.start.get("day")).toBe(7);
        expect(result.start.get("hour")).toBe(11);

        expect(result.start).toBeDate(new Date(2012, 5 - 1, 7, 11, 0));
    });
});

test("Test - Ordinal Words", () => {
    testSingleCase(chrono, "Twenty-fourth of May", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("Twenty-fourth of May");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2012);
        expect(result.start.get("month")).toBe(5);
        expect(result.start.get("day")).toBe(24);
    });

    testSingleCase(chrono, "Eighth to eleventh May 2010", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("Eighth to eleventh May 2010");

        expect(result.start).not.toBeNull();
        expect(result.start.get("year")).toBe(2010);
        expect(result.start.get("month")).toBe(5);
        expect(result.start.get("day")).toBe(8);

        expect(result.end).not.toBeNull();
        expect(result.end.get("year")).toBe(2010);
        expect(result.end.get("month")).toBe(5);
        expect(result.end.get("day")).toBe(11);
    });
});

test("Test - little endian date followed by time", () => {
    testSingleCase(chrono, "24th October, 9 am", new Date(2017, 7 - 1, 7, 15), (result) => {
        expect(result.text).toBe("24th October, 9 am");
        expect(result.start.get("day")).toBe(24);
        expect(result.start.get("month")).toBe(10);
        expect(result.start.get("hour")).toBe(9);
    });

    testSingleCase(chrono, "24th October, 9 pm", new Date(2017, 7 - 1, 7, 15), (result) => {
        expect(result.text).toBe("24th October, 9 pm");
        expect(result.start.get("day")).toBe(24);
        expect(result.start.get("month")).toBe(10);
        expect(result.start.get("hour")).toBe(21);
    });

    testSingleCase(chrono, "24 October, 9 pm", new Date(2017, 7 - 1, 7, 15), (result) => {
        expect(result.text).toBe("24 October, 9 pm");
        expect(result.start.get("day")).toBe(24);
        expect(result.start.get("month")).toBe(10);
        expect(result.start.get("hour")).toBe(21);
    });

    testSingleCase(chrono, "24 October, 9 p.m.", new Date(2017, 7 - 1, 7, 15), (result) => {
        expect(result.text).toBe("24 October, 9 p.m.");
        expect(result.start.get("day")).toBe(24);
        expect(result.start.get("month")).toBe(10);
        expect(result.start.get("hour")).toBe(21);
    });

    testSingleCase(chrono, "24 October 10 o clock", new Date(2017, 7 - 1, 7, 15), (result) => {
        expect(result.text).toBe("24 October 10 o clock");
        expect(result.start.get("day")).toBe(24);
        expect(result.start.get("month")).toBe(10);
        expect(result.start.get("hour")).toBe(10);
    });
});

test("Test - year 90's parsing", () => {
    testSingleCase(chrono, "03 Aug 96", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("03 Aug 96");

        expect(result.start.get("year")).toBe(1996);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(3);
    });

    testSingleCase(chrono, "3 Aug 96", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("3 Aug 96");

        expect(result.start.get("year")).toBe(1996);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(3);
    });

    testSingleCase(chrono, "9 Aug 96", new Date(2012, 7, 10), (result) => {
        expect(result.text).toBe("9 Aug 96");

        expect(result.start.get("year")).toBe(1996);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(9);
    });
});

test("Test - Forward Option", () => {
    testSingleCase(chrono.casual, "22-23 Feb at 7pm", new Date(2016, 3 - 1, 15), (result) => {
        expect(result.start.get("year")).toBe(2016);
        expect(result.start.get("month")).toBe(2);
        expect(result.start.get("day")).toBe(22);
        expect(result.start.get("hour")).toBe(19);

        expect(result.end.get("year")).toBe(2016);
        expect(result.end.get("month")).toBe(2);
        expect(result.end.get("day")).toBe(23);
        expect(result.end.get("hour")).toBe(19);
    });

    testSingleCase(chrono.casual, "22-23 Feb at 7pm", new Date(2016, 3 - 1, 15), { forwardDate: true }, (result) => {
        expect(result.start.get("year")).toBe(2017);
        expect(result.start.get("month")).toBe(2);
        expect(result.start.get("day")).toBe(22);
        expect(result.start.get("hour")).toBe(19);

        expect(result.end.get("year")).toBe(2017);
        expect(result.end.get("month")).toBe(2);
        expect(result.end.get("day")).toBe(23);
        expect(result.end.get("hour")).toBe(19);
    });

    testSingleCase(chrono, "17 August 2013 - 19 August 2013", (result) => {
        expect(result.start.get("year")).toBe(2013);
        expect(result.start.get("month")).toBe(8);
        expect(result.start.get("day")).toBe(17);

        expect(result.end.get("year")).toBe(2013);
        expect(result.end.get("month")).toBe(8);
        expect(result.end.get("day")).toBe(19);
    });
});

test("Test - Impossible Dates (Strict Mode)", function () {
    testUnexpectedResult(chrono.strict, "32 August 2014", new Date(2012, 7, 10));

    testUnexpectedResult(chrono.strict, "29 February 2014", new Date(2012, 7, 10));

    testUnexpectedResult(chrono.strict, "32 August", new Date(2012, 7, 10));

    testUnexpectedResult(chrono.strict, "29 February", new Date(2013, 7, 10));
});