onfido-sdk-ui/src/components/utils/unit_tests/object.test.js

JavaScript SDK view layer for Onfido identity verification

import { pick, omit } from "../object.js"

describe('pick', () => {
  it('should pick only the specified keys of an object', () => {
    expect(pick(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      ["b", "d"]
    )).toEqual({
      b: 2,
      d: 4,
    })
  })

  it('should return an empty object if given an empty object', () => {
    expect(pick(
      {},
      ["b", "d"]
    )).toEqual({})
  })

  it('should return an empty object if given a falsey value', () => {
    expect(pick(
      null,
      ["b", "d"]
    )).toEqual({})
  })

  it('should ignore given keys that don\'t exist', () => {
    expect(pick(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      ["b", "d", "e"]
    )).toEqual({
      b: 2,
      d: 4,
    })
  })

  it('should return an empty object if given no keys', () => {
    expect(pick(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      []
    )).toEqual({})
  })
})

describe('omit', () => {
  it('should omit only the specified keys of an object', () => {
    expect(omit(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      ["b", "d"]
    )).toEqual({
      a: 1,
      c: 3,
    })
  })

  it('should return an empty object if given an empty object', () => {
    expect(omit(
      {},
      ["b", "d"]
    )).toEqual({})
  })

  it('should return an empty object if given a falsey value', () => {
    expect(omit(
      null,
      ["b", "d"]
    )).toEqual({})
  })

  it('should ignore given keys that don\'t exist', () => {
    expect(omit(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      ["b", "d", "e"]
    )).toEqual({
      a: 1,
      c: 3,
    })
  })

  it('should the original object if given no keys', () => {
    expect(omit(
      {
        a: 1,
        b: 2,
        c: 3,
        d: 4
      },
      []
    )).toEqual({
      a: 1,
      b: 2,
      c: 3,
      d: 4
    })
  })
})