@guardian/threads
Version:
59 lines • 2.9 kB
JavaScript
import { parseDate, parseDateNoFallback } from './parseDate';
// --------------
// - FROM START -
// --------------
test('correctly parse just year', function () {
expect(parseDateNoFallback('2018', 'from_start')).toBe(Date.UTC(2018, 0));
});
test('correctly parse month and year', function () {
expect(parseDateNoFallback('January 2018', 'from_start')).toBe(Date.UTC(2018, 0));
});
test('correctly parse lowercase month and year', function () {
expect(parseDateNoFallback('january 2018', 'from_start')).toBe(Date.UTC(2018, 0));
});
test('correctly parse short month and year', function () {
expect(parseDateNoFallback('Feb 2018', 'from_start')).toBe(Date.UTC(2018, 1));
});
test('correctly parse day, month and year', function () {
expect(parseDateNoFallback('9 Feb 2018', 'from_start')).toBe(Date.UTC(2018, 1, 9));
});
test('correctly parse day, month and year with day ordinal indicator', function () {
expect(parseDateNoFallback('9th Feb 2018', 'from_start')).toBe(Date.UTC(2018, 1, 9));
});
// ------------
// - FROM END -
// ------------
test('correctly parse just year from end', function () {
expect(parseDateNoFallback('2018', 'from_end')).toBe(Date.UTC(2019, 0, 1));
});
test('correctly parse month and year from end', function () {
expect(parseDateNoFallback('January 2018', 'from_end')).toBe(Date.UTC(2018, 1));
});
test('correctly parse lowercase month and year from end', function () {
expect(parseDateNoFallback('january 2018', 'from_end')).toBe(Date.UTC(2018, 1));
});
test('correctly parse short month and year from end', function () {
expect(parseDateNoFallback('Feb 2018', 'from_end')).toBe(Date.UTC(2018, 2));
});
test('correctly parse day, month and year from end', function () {
expect(parseDateNoFallback('9 Feb 2018', 'from_end')).toBe(Date.UTC(2018, 1, 10));
});
test('correctly parse day, month and year with day ordinal indicator from end', function () {
expect(parseDateNoFallback('9th Feb 2018', 'from_end')).toBe(Date.UTC(2018, 1, 10));
});
test('correctly parse month and year from end when it rolls over a year', function () {
expect(parseDateNoFallback('December 2018', 'from_end')).toBe(Date.UTC(2019, 0));
});
test('correctly parse day, month and year from end when it rolls over a year', function () {
expect(parseDateNoFallback('31st December 2018', 'from_end')).toBe(Date.UTC(2019, 0));
});
// ------------
// - FALLBACK -
// ------------
test('correctly fall back to standard date parser', function () {
expect(parseDate('2018-08-16T00:00:00+00:00', 'from_start')).toBe(new Date('2018-08-16T00:00:00+00:00').getTime());
});
test('correctly fall back to standard date parser and fail in the expected way when using from_end', function () {
expect(parseDate('2018-08-16T00:00:00+00:00', 'from_end')).toBe(new Date('2018-08-16T00:00:00+00:00').getTime());
});
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