epam/miew

import { expect } from 'chai'
import sinon from 'sinon'
import palettes from '../palettes'
import ResidueTypeColorer from './ResidueTypeColorer'

describe('ResidueTypeColorer', () => {
  const resTypeName = 'HET'
  const resColor = 0xffffff

  class FirstPalette {
    getResidueColor(name) {
      if (name === resTypeName) {
        return resColor
      }
      return 0x000000
    }
  }
  const palette = new FirstPalette()

  describe('#getAtomColor', () => {
    let paletteStub
    let rtColorer

    before(() => {
      paletteStub = sinon.stub(palettes, 'first').value(palette)
      rtColorer = new ResidueTypeColorer()
    })
    after(() => {
      paletteStub.restore()
    })

    it("returns color which is set for atom's residue's type", () => {
      const residue = { _type: { _name: resTypeName } }
      const atom = { residue }
      expect(rtColorer.getAtomColor(atom)).to.equal(resColor)
    })
  })

  describe('#getResidueColor', () => {
    let paletteStub
    let rtColorer

    before(() => {
      paletteStub = sinon.stub(palettes, 'first').value(palette)
      rtColorer = new ResidueTypeColorer()
    })
    after(() => {
      paletteStub.restore()
    })

    it("returns color which is set for residue's type", () => {
      const residue = { _type: { _name: resTypeName } }
      expect(rtColorer.getResidueColor(residue)).to.equal(resColor)
    })
  })

  describe('.id', () => {
    const rtColorer = new ResidueTypeColorer()

    it("have .id property type 'string'", () => {
      expect(rtColorer).to.have.property('id')
      expect(rtColorer.id).to.be.a('string')
    })

    it('have .id property different from such in parent class', () => {
      const colorer = Object.getPrototypeOf(Object.getPrototypeOf(rtColorer))
      expect(rtColorer.id).to.not.equal(colorer.id)
    })
  })

  describe('.name', () => {
    it("have .name property type 'string'", () => {
      const rtColorer = new ResidueTypeColorer()
      expect(rtColorer).to.have.property('name')
      expect(rtColorer.name).to.be.a('string')
    })
  })

  describe('.shortName', () => {
    it("have .shortName property type 'string'", () => {
      const rtColorer = new ResidueTypeColorer()
      expect(rtColorer).to.have.property('shortName')
      expect(rtColorer.shortName).to.be.a('string')
    })
  })
})