import { describe, it, expect } from 'vitest'
import { classKey } from '../../../composables/autoGroup/classKey'

describe('classKey', () => {
  it('should key by kind alone when there is no subKind', () => {
    expect(classKey({ kind: 'unknown' })).toBe('unknown')
  })

  it('should key by kind:subKind when a subKind is present', () => {
    expect(classKey({ kind: 'biological', subKind: 'Plasma' })).toBe('biological:Plasma')
  })

  it('should append the token length so length-split classes get distinct keys', () => {
    expect(classKey({ kind: 'biological', subKind: 'Plasma', tokenLength: 7 })).toBe(
      'biological:Plasma#7',
    )
    expect(classKey({ kind: 'biological', subKind: 'Plasma', tokenLength: 8 })).toBe(
      'biological:Plasma#8',
    )
  })

  it('should append the token length even without a subKind', () => {
    expect(classKey({ kind: 'unknown', tokenLength: 3 })).toBe('unknown#3')
  })
})