27 lines
788 B
JavaScript
27 lines
788 B
JavaScript
const expect = require('expect');
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const pluralize = require('./pluralize.js');
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test('pluralize is a Function', () => {
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expect(pluralize).toBeInstanceOf(Function);
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});
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test('Produces the plural of the word', () => {
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expect(pluralize(0, 'apple')).toBe('apples');
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});
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test('Produces the singular of the word', () => {
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expect(pluralize(1, 'apple')).toBe('apple');
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});
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test('Produces the plural of the word', () => {
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expect(pluralize(2, 'apple')).toBe('apples');
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});
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test('Prodices the defined plural of the word', () => {
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expect(pluralize(2, 'person', 'people')).toBe('people');
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});
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const PLURALS = {
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person: 'people',
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radius: 'radii'
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};
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const autoPluralize = pluralize(PLURALS);
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test('Works with a dictionary', () => {
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expect(autoPluralize(2, 'person')).toBe('people');
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});
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