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

A natural language date parser in Javascript

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

test("Test - Single Expression (yyyy/MM/dd)", function () {
    testSingleCase(chrono, "2012/8/10", 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("2012/8/10");

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

    testSingleCase(chrono, "The Deadline is 2012/8/10", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(16);
        expect(result.text).toBe("2012/8/10");

        expect(result.start).toBeDate(new Date(2012, 7, 10, 12));
    });

    testSingleCase(chrono.strict, "2014/2/28", (result) => {
        expect(result.text).toBe("2014/2/28");
    });

    testSingleCase(chrono.strict, "2014/12/28", (result) => {
        expect(result.text).toBe("2014/12/28");
        expect(result).toBeDate(new Date(2014, 12 - 1, 28, 12));
    });

    testSingleCase(chrono.strict, "2014.12.28", (result) => {
        expect(result.text).toBe("2014.12.28");
        expect(result).toBeDate(new Date(2014, 12 - 1, 28, 12));
    });

    testSingleCase(chrono.strict, "2014 12 28", (result) => {
        expect(result.text).toBe("2014 12 28");
        expect(result).toBeDate(new Date(2014, 12 - 1, 28, 12));
    });
});

test("Test - Single Expression with month name (yyyy/MMM/dd)", function () {
    testSingleCase(chrono, "2012/Aug/10", 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("2012/Aug/10");

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

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

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

    testSingleCase(chrono, "The Deadline is 2018 March 18", new Date(2012, 7, 10), (result) => {
        expect(result.index).toBe(16);
        expect(result.text).toBe("2018 March 18");

        expect(result.start.get("year")).toBe(2018);
        expect(result.start.get("month")).toBe(3);
        expect(result.start.get("day")).toBe(18);

        expect(result).toBeDate(new Date(2018, 3 - 1, 18, 12));
    });
});

test("Test - Allow swap date/month order in casual mode", () => {
    testUnexpectedResult(chrono.strict, "2024/13/1");
    testUnexpectedResult(chrono.strict, "2024-13-01");

    testSingleCase(chrono.casual, "2024/13/1", new Date(2012, 7, 10), (result) => {
        expect(result.start.get("year")).toBe(2024);
        expect(result.start.get("month")).toBe(1);
        expect(result.start.get("day")).toBe(13);
    });

    testSingleCase(chrono.casual, "2024-13-01", new Date(2012, 7, 10), (result) => {
        expect(result.start.get("year")).toBe(2024);
        expect(result.start.get("month")).toBe(1);
        expect(result.start.get("day")).toBe(13);
    });
});

test("Test - Not parse unlikely xxxx-xx-xx pattern", function () {
    testUnexpectedResult(chrono, "2012/80/10", new Date(2012, 7, 10));
    testUnexpectedResult(chrono, "2012 80 10", new Date(2012, 7, 10));
});

test("Test - Not parse impossible dates", function () {
    testUnexpectedResult(chrono, "2014-08-32");
    testUnexpectedResult(chrono, "2014-02-30");
});