@coriolis/coriolis/src/test/lib/object/hasOnlyKeys.spec.js

Event sourced effect management

import { hasOnlyKeys } from '../../../lib/object/hasOnlyKeys'

describe('hasOnlyKeys', () => {
  it(`Given an object with varions properties
      When I call hasOnlyKeys on this object with the exact list of keys of this object
      Then I get true
  `, () => {
    const subject = {
      key1: 'key1',
      key2: 'key2',
      key3: 'key3',
      key4: 'key4',
    }

    const result = hasOnlyKeys(subject, ['key1', 'key2', 'key3', 'key4'])

    expect(result).to.be.true()
  })

  it(`Given an object with varions properties
      When I call hasOnlyKeys on this object with not all the keys of this object
      Then I get false
  `, () => {
    const subject = {
      key1: 'key1',
      key2: 'key2',
      key3: 'key3',
      key4: 'key4',
    }

    const result = hasOnlyKeys(subject, ['key1', 'key2', 'key3'])

    expect(result).to.be.false()
  })

  it(`Given an object with varions properties
      When I call hasOnlyKeys on this object with more then the keys of this object
      Then I get true
  `, () => {
    const subject = {
      key1: 'key1',
      key2: 'key2',
    }

    const result = hasOnlyKeys(subject, ['key1', 'key2', 'key3'])

    expect(result).to.be.true()
  })

  it(`Given an object with no properties
      When I call hasOnlyKeys on this object with an empty list
      Then I get true
  `, () => {
    const subject = {}

    const result = hasOnlyKeys(subject, [])

    expect(result).to.be.true()
  })

  it(`Given an object with no properties
      When I call hasOnlyKeys on this object with some values
      Then I get true
  `, () => {
    const subject = {}

    const result = hasOnlyKeys(subject, ['any', 'value'])

    expect(result).to.be.true()
  })
})