mixinSpec.coffee

#
# Copyright (C) 2013 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.

define ['compiled/util/mixin'], (mixin) ->

  QUnit.module 'mixin'

  test 'merges objects without blowing away events or defaults', 4, ->
    mixin1 =
      events: 'click .foo': 'foo'
      defaults:
        foo: 'bar'
      foo: @spy()
    mixin2 =
      events: 'click .bar': 'bar'
      defaults:
        baz: 'qux'
      bar: @spy()
    obj = mixin {}, mixin1, mixin2
    # events are expected to all be merged together
    # rather than getting blown away by the last mixin
    expectedEvents =
      'click .foo': 'foo'
      'click .bar': 'bar'
    expectedDefaults =
      foo: 'bar'
      baz: 'qux'
    deepEqual obj.events, expectedEvents, 'events merged properly'
    deepEqual obj.defaults, expectedDefaults, 'defaults merged properly'
    obj.foo()
    ok obj.foo.calledOnce
    obj.bar()
    ok obj.bar.calledOnce