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
16 lines
581 B
JavaScript
16 lines
581 B
JavaScript
const {nest} = require('./_30s.js');
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test('nest is a Function', () => {
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expect(nest).toBeInstanceOf(Function);
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});
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test('Nests items', () => {
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const comments = [
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{ id: 1, parent_id: null },
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{ id: 2, parent_id: 1 },
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{ id: 3, parent_id: 1 },
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{ id: 4, parent_id: 2 },
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{ id: 5, parent_id: 4 }
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];
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expect(nest(comments)).toEqual([{ 'id': 1, 'parent_id': null, 'children': [{ 'id': 2, 'parent_id': 1, 'children': [{ 'id': 4, 'parent_id': 2, 'children': [{ 'id': 5, 'parent_id': 4, 'children': [] }] }] }, { 'id': 3, 'parent_id': 1, 'children': [] }] }]);
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});
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