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next.js/test/unit/shallow-equal.test.js
2018-10-02 00:55:31 +02:00

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JavaScript

/* global describe, it, expect */
import shallowEquals from 'next-server/dist/lib/shallow-equals'
describe('Shallow Equals', () => {
it('should be true if both objects are the same', () => {
const a = { aa: 10 }
expect(shallowEquals(a, a)).toBe(true)
})
it('should be true if both objects are similar', () => {
const a = { aa: 10, bb: 30 }
const b = { aa: 10, bb: 30 }
expect(shallowEquals(a, b)).toBe(true)
})
it('should be false if objects have different keys', () => {
const a = { aa: 10, bb: 30 }
const b = { aa: 10, cc: 50 }
expect(shallowEquals(a, b)).toBe(false)
})
it('should be false if objects have same keys but different values', () => {
const a = { aa: 10, bb: 30 }
const b = { aa: 10, bb: 50 }
expect(shallowEquals(a, b)).toBe(false)
})
it('should be false if objects matched deeply', () => {
const a = { aa: 10, bb: { a: 10 } }
const b = { aa: 10, bb: { a: 10 } }
expect(shallowEquals(a, b)).toBe(false)
})
})