eth-typed-data/src/__tests__/AbstractType.test.js

A library to simplifiy interacting with and signing EIP712 typed data

import AbstractType from '../AbstractType'

describe('AbstractType', () => {
  it('constructs', () => {
    expect(() => new AbstractType()).not.toThrow()
  })

  it('throws errors on abstract methods', () => {
    expect(() => (new AbstractType()).encodeData()).toThrow()
    expect(() => (new AbstractType()).toObject()).toThrow()
  })
})

describe('Concrete subtypes of abstract type', () => {
  // Type that extends AbstractType for testing static methods
  class ConcreteType extends AbstractType {
    static name = 'Concrete'
    static properties = [
      {name: 'abstract', type: 'bool'},
      {name: 'concrete', type: 'bool'},
      {name: 'pasta', type: 'string'}
    ]

    static encodeDependentTypes() {
      return 'DEPENDENTTYPES'
    }

    encodeData() {
      return ''
    }
  }

  it('supports typeDef', () => {
    expect(ConcreteType.typeDef()).toEqual(ConcreteType.properties)
  })

  it('supports encodeTypeFragment', () => {
    expect(ConcreteType.encodeTypeFragment()).toEqual('Concrete(bool abstract,bool concrete,string pasta)')
  })

  it('supports encodeType', () => {
    expect(ConcreteType.encodeType()).toEqual('Concrete(bool abstract,bool concrete,string pasta)DEPENDENTTYPES')
  })
  
  it.skip('supports typeHash', () => {
    expect(ConcreteType.typeHash()).toEqual()
  })
})