83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
18 lines
408 B
JavaScript
18 lines
408 B
JavaScript
const {findLastKey} = require('./_30s.js');
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test('findLastKey is a Function', () => {
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expect(findLastKey).toBeInstanceOf(Function);
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});
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test('returns the appropriate key', () => {
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expect(
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findLastKey(
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{
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barney: { age: 36, active: true },
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fred: { age: 40, active: false },
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pebbles: { age: 1, active: true }
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},
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o => o['active']
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)
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).toBe('pebbles');
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});
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