{beforeEach, describe, it} = global
{expect} = require 'chai'
_ = require 'lodash'

OctobluDeviceSchemaTransmogrifier = require '../'

describe 'vNull', ->
  describe 'a device with data', ->
    beforeEach ->
      @device =
        other: true
      @sut = new OctobluDeviceSchemaTransmogrifier @device
      @transmogrifiedDevice = @sut.transmogrify()

    it 'should preserve existing data', ->
      expect(@transmogrifiedDevice.other).to.be.true

    it 'should set the version to 1.0.0', ->
      expect(@transmogrifiedDevice.schemas.version).to.equal '1.0.0'

    it 'should not set the configure schema', ->
      expect(@transmogrifiedDevice.schemas.configure).to.be.empty

    it 'should not set the message schema', ->
      expect(@transmogrifiedDevice.schemas.message).to.be.empty

    it 'should not set the form schema', ->
      expect(@transmogrifiedDevice.schemas.form).to.be.empty

  describe "when trying to transmogrify a device that doesn't exist", ->
    beforeEach ->
      try
        new OctobluDeviceSchemaTransmogrifier()
      catch error
        @error = error

    it "should throw an exception telling us how bad the core dispatcher is for giving us no data.", ->
      expect(@error).to.exist
      expect(@error.message).to.equal "Someone tried to transmogrify an undefined device! Stop doing that."

  describe 'migrating a v1 schema', ->
    beforeEach ->
      @device =
        optionsSchema: {whatever: true}
        schemas:
          version: '1.0.0'

      @sut = new OctobluDeviceSchemaTransmogrifier _.cloneDeep(@device)
      @transmogrifiedDevice = @sut.transmogrify()

    it 'should do nothing', ->
      expect(@transmogrifiedDevice).to.deep.equal @device