diff options
Diffstat (limited to 'spec/frontend/locale/index_spec.js')
-rw-r--r-- | spec/frontend/locale/index_spec.js | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/spec/frontend/locale/index_spec.js b/spec/frontend/locale/index_spec.js index d65d7c195b2..a08be502735 100644 --- a/spec/frontend/locale/index_spec.js +++ b/spec/frontend/locale/index_spec.js @@ -1,5 +1,5 @@ import { setLanguage } from 'helpers/locale_helper'; -import { createDateTimeFormat, languageCode } from '~/locale'; +import { createDateTimeFormat, formatNumber, languageCode } from '~/locale'; describe('locale', () => { afterEach(() => setLanguage(null)); @@ -27,4 +27,68 @@ describe('locale', () => { expect(dateFormat.format(new Date(2015, 6, 3))).toBe('July 3, 2015'); }); }); + + describe('formatNumber', () => { + it('formats numbers', () => { + expect(formatNumber(1)).toBe('1'); + expect(formatNumber(12345)).toBe('12,345'); + }); + + it('formats bigint numbers', () => { + expect(formatNumber(123456789123456789n)).toBe('123,456,789,123,456,789'); + }); + + it('formats numbers with options', () => { + expect(formatNumber(1, { style: 'percent' })).toBe('100%'); + expect(formatNumber(1, { style: 'currency', currency: 'USD' })).toBe('$1.00'); + }); + + it('formats localized numbers', () => { + expect(formatNumber(12345, {}, 'es')).toBe('12.345'); + }); + + it('formats NaN', () => { + expect(formatNumber(NaN)).toBe('NaN'); + }); + + it('formats infinity', () => { + expect(formatNumber(Number.POSITIVE_INFINITY)).toBe('∞'); + }); + + it('formats negative infinity', () => { + expect(formatNumber(Number.NEGATIVE_INFINITY)).toBe('-∞'); + }); + + it('formats EPSILON', () => { + expect(formatNumber(Number.EPSILON)).toBe('0'); + }); + + describe('non-number values should pass through', () => { + it('undefined', () => { + expect(formatNumber(undefined)).toBe(undefined); + }); + + it('null', () => { + expect(formatNumber(null)).toBe(null); + }); + + it('arrays', () => { + expect(formatNumber([])).toEqual([]); + }); + + it('objects', () => { + expect(formatNumber({ a: 'b' })).toEqual({ a: 'b' }); + }); + }); + + describe('when in a different locale', () => { + beforeEach(() => { + setLanguage('es'); + }); + + it('formats localized numbers', () => { + expect(formatNumber(12345)).toBe('12.345'); + }); + }); + }); }); |