42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
import { expect } from 'chai';
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import { ArrayMapper } from '../../src/ArrayMapper';
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describe('utils', async () => {
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describe('array mapper', async () => {
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it('should take initial args', async () => {
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const mapper = new ArrayMapper({
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rest: 'others',
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skip: 0,
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take: ['first', 'second'],
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});
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const results = mapper.map(['1', '2', '3', '4']);
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expect(results.get('first'), 'args should be collected').to.deep.equal(['1']);
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expect(results.get('second'), 'second should be collected').to.deep.equal(['2']);
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expect(results.get('others'), 'rest should be collected').to.deep.equal(['3', '4']);
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});
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it('should always include rest arg', async () => {
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const mapper = new ArrayMapper({
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rest: 'empty',
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skip: 0,
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take: ['first', 'second'],
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});
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const results = mapper.map(['1', '2']);
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expect(results, 'all keys should be present').to.have.all.keys('first', 'second', 'empty');
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expect(results.get('empty'), 'rest key should be empty').to.have.lengthOf(0);
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});
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it('should skit initial args', async () => {
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const mapper = new ArrayMapper({
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rest: 'empty',
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skip: 3,
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take: ['first'],
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});
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const results = mapper.map(['1', '2', '3', '4']);
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expect(results.get('first'), 'first key should take fourth element').to.deep.equal(['4']);
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});
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});
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});
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