35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
import * as grammar from '~/lib/utils/grammar';
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describe('utils/grammar', () => {
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describe('toNounSeriesText', () => {
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it('with empty items returns empty string', () => {
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expect(grammar.toNounSeriesText([])).toBe('');
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});
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it('with single item returns item', () => {
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const items = ['Lorem Ipsum'];
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expect(grammar.toNounSeriesText(items)).toBe(items[0]);
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});
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it('with 2 items returns item1 and item2', () => {
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const items = ['Dolar', 'Sit Amit'];
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expect(grammar.toNounSeriesText(items)).toBe(`${items[0]} and ${items[1]}`);
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});
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it('with 3 items returns comma separated series', () => {
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const items = ['Lorem', 'Ipsum', 'dolar'];
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const expected = 'Lorem, Ipsum, and dolar';
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expect(grammar.toNounSeriesText(items)).toBe(expected);
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});
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it('with 6 items returns comma separated series', () => {
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const items = ['Lorem', 'ipsum', 'dolar', 'sit', 'amit', 'consectetur'];
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const expected = 'Lorem, ipsum, dolar, sit, amit, and consectetur';
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expect(grammar.toNounSeriesText(items)).toBe(expected);
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});
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});
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});
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