77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
import { expect } from '@open-wc/testing';
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import { localize } from '@lion/localize';
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import { localizeTearDown } from '@lion/localize/test-helpers.js';
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import { formatAmount } from '../src/formatters.js';
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describe('formatAmount()', () => {
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afterEach(() => {
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localizeTearDown();
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});
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// TODO: Document that maximumFractionDigits >= minimumFractionDigits else a RangeError is thrown by Intl
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it('formats number with options', async () => {
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expect(
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formatAmount(12.345678, {
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locale: 'en-GB',
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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}),
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).to.equal('12.35');
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expect(
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formatAmount(12.345678, {
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locale: 'nl-NL',
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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}),
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).to.equal('12,35');
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expect(
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formatAmount(12345678, {
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locale: 'en-GB',
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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}),
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).to.equal('12,345,678.00');
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expect(
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formatAmount(12345678, {
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locale: 'nl-NL',
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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}),
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).to.equal('12.345.678,00');
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expect(
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formatAmount(12.345678, {
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locale: 'en-GB',
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minimumFractionDigits: 0,
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maximumFractionDigits: 1,
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}),
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).to.equal('12.3');
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expect(
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formatAmount(12.345678, {
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locale: 'en-GB',
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minimumFractionDigits: 3,
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maximumFractionDigits: 3,
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}),
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).to.equal('12.346');
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expect(
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formatAmount(-12.345678, {
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locale: 'en-GB',
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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}),
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).to.equal('-12.35');
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});
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it('formats the right amount of fraction digits for a certain currency', async () => {
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expect(formatAmount(123456.78, { locale: 'en-GB', currency: 'EUR' })).to.equal('123,456.78');
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expect(formatAmount(123456.78, { locale: 'en-GB', currency: 'JOD' })).to.equal('123,456.780');
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});
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it('fallbacks to global locale and EUR by default', async () => {
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localize.locale = 'en-GB';
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expect(formatAmount(12345678)).to.equal('12,345,678.00');
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localize.locale = 'nl-NL';
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expect(formatAmount(12345678)).to.equal('12.345.678,00');
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});
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});
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