updeep-remeda/test/freeze-spec.js

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import { expect } from 'chai'
import u from '../lib'
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describe('u.freeze', () => {
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afterEach(() => {
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delete process.env.NODE_ENV
})
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it('freezes objects', () => {
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const object = {}
u.freeze(object)
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expect(Object.isFrozen(object)).to.be.true
})
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it('freezes nested objects', () => {
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const object = { foo: { bar: 3 } }
u.freeze(object)
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expect(Object.isFrozen(object.foo)).to.be.true
})
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it('freezes nested arrays', () => {
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const object = [[0]]
u.freeze(object)
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expect(Object.isFrozen(object)).to.be.true
expect(Object.isFrozen(object[0])).to.be.true
})
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it('ignores functions', () => {
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const object = { foo: () => 1 }
u.freeze(object)
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expect(Object.isFrozen(object.foo)).to.be.false
})
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it('ignores regexps', () => {
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const object = { foo: /\d/ }
u.freeze(object)
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expect(Object.isFrozen(object.foo)).to.be.false
})
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it('does not freeze children if the parent is already frozen', () => {
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const object = { foo: {} }
Object.freeze(object)
u.freeze(object)
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expect(Object.isFrozen(object.foo)).to.be.false
})
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if (typeof process !== 'undefined') {
it('does not freeze in production', () => {
process.env = {
...process.env,
NODE_ENV: 'production',
}
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const object = {}
u.freeze(object)
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expect(Object.isFrozen(object)).to.be.false
})
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}
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it('handles null objects', () => {
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const object = { foo: null }
u.freeze(object)
expect(Object.isFrozen(object)).to.be.true
})
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it('returns the same object', () => {
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const object = {}
const result = u.freeze(object)
expect(result).to.equal(object)
})
})