@goa/goa/modules/delegates/test/index.js

The Goa Source Code For Compilation Into @Goa/Koa That Includes Modules, Tests, Types And Dependencies.

var assert = require('assert')
var delegate = require('..')

describe('.method(name)', function(){
  it('should delegate methods', function(){
    var obj = {}

    obj.request = {
      foo: function(bar){
        assert(this == obj.request)
        return bar
      },
    }

    delegate(obj, 'request').method('foo')

    obj.foo('something').should.equal('something')
  })
})

describe('.getter(name)', function(){
  it('should delegate getters', function(){
    var obj = {}

    obj.request = {
      get type() {
        return 'text/html'
      },
    }

    delegate(obj, 'request').getter('type')

    obj.type.should.equal('text/html')
  })
})

describe('.setter(name)', function(){
  it('should delegate setters', function(){
    var obj = {}

    obj.request = {
      get type() {
        return this._type.toUpperCase()
      },

      set type(val) {
        this._type = val
      },
    }

    delegate(obj, 'request').setter('type')

    obj.type = 'hey'
    obj.request.type.should.equal('HEY')
  })
})

describe('.access(name)', function(){
  it('should delegate getters and setters', function(){
    var obj = {}

    obj.request = {
      get type() {
        return this._type.toUpperCase()
      },

      set type(val) {
        this._type = val
      },
    }

    delegate(obj, 'request').access('type')

    obj.type = 'hey'
    obj.type.should.equal('HEY')
  })
})

describe('.fluent(name)', function () {
  it('should delegate in a fluent fashion', function () {
    var obj = {
      settings: {
        env: 'development',
      },
    }

    delegate(obj, 'settings').fluent('env')

    obj.env().should.equal('development')
    obj.env('production').should.equal(obj)
    obj.settings.env.should.equal('production')
  })
})