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
40 lines
1019 B
JavaScript
40 lines
1019 B
JavaScript
const {deepGet} = require('./_30s.js');
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let idx = 2
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const data = {
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level1: {
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level2: {
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level3: 'level3',
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level3a: true,
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level3b: [1, 2, 3, { level3c: 'level3c' }, 4, 5],
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level3d: {
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level4: [{ foo: 'foo' }, { bar: 'bar' }, { baz: 'baz' }]
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}
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}
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}
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};
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test('deepGet is a Function', () => {
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expect(deepGet).toBeInstanceOf(Function);
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});
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test('deepGet target success', () => {
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expect(deepGet(data, ['level1', 'level2', 'level3'])).toEqual('level3');
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});
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test('deepGet target and return null', () => {
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expect(deepGet(data, ['level1', 'level2', 'foo', 'baz'])).toEqual(null);
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});
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test('deepGet target in an array', () => {
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expect(deepGet(data, ['level1', 'level2', 'level3d', 'level4', 2, 'baz'])).toEqual('baz');
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});
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test('deepGet target with variable key', () => {
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expect(deepGet(data, ['level1', 'level2', 'level3b', idx])).toEqual(3);
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});
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test('deepGet target with empty Object', () => {
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expect(deepGet({}, ['foo', 'bar', idx, 'foo'])).toEqual(null);
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});
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