github.com/outbrain/consul@v1.4.5/ui-v2/tests/integration/mixins/with-resizing-test.js (about)

     1  import { module } from 'qunit';
     2  import test from 'ember-sinon-qunit/test-support/test';
     3  import { setupTest } from 'ember-qunit';
     4  import EmberObject from '@ember/object';
     5  import Mixin from 'consul-ui/mixins/with-resizing';
     6  module('Integration | Mixin | with-resizing', function(hooks) {
     7    setupTest(hooks);
     8    test('window.addEventListener, resize and window.removeEventListener are called once each through the entire lifecycle', function(assert) {
     9      const win = {
    10        innerWidth: 0,
    11        innerHeight: 0,
    12        addEventListener: this.stub(),
    13        removeEventListener: this.stub(),
    14      };
    15      const subject = EmberObject.extend(Mixin, {
    16        win: win,
    17      }).create();
    18      const resize = this.stub(subject, 'resize');
    19      subject.didInsertElement();
    20      subject.willDestroyElement();
    21      assert.ok(win.addEventListener.calledOnce);
    22      assert.ok(resize.calledOnce);
    23      assert.ok(resize.calledWith({ detail: { width: 0, height: 0 } }));
    24      assert.ok(win.removeEventListener.calledOnce);
    25    });
    26  });