Contents

import { Object as EmberObject } from 'ember-runtime';
import { get, Mixin } from '../..';
import { run } from '@ember/runloop';
import { moduleFor, AbstractTestCase } from 'internal-test-helpers';

moduleFor(
  'Mixin#reopen',
  class extends AbstractTestCase {
    ['@test using reopen() to add more properties to a simple'](assert) {
      let MixinA = Mixin.create({ foo: 'FOO', baz: 'BAZ' });
      MixinA.reopen({ bar: 'BAR', foo: 'FOO2' });
      let obj = {};
      MixinA.apply(obj);

      assert.equal(get(obj, 'foo'), 'FOO2', 'mixin() should override');
      assert.equal(get(obj, 'baz'), 'BAZ', 'preserve MixinA props');
      assert.equal(get(obj, 'bar'), 'BAR', 'include MixinB props');
    }

    ['@test using reopen() and calling _super where there is not a super function does not cause infinite recursion'](
      assert
    ) {
      let Taco = EmberObject.extend({
        createBreakfast() {
          // There is no original createBreakfast function.
          // Calling the wrapped _super function here
          // used to end in an infinite call loop
          this._super(...arguments);
          return 'Breakfast!';
        },
      });

      Taco.reopen({
        createBreakfast() {
          return this._super(...arguments);
        },
      });

      let taco = Taco.create();

      let result;
      run(() => {
        try {
          result = taco.createBreakfast();
        } catch (e) {
          result = 'Your breakfast was interrupted by an infinite stack error.';
        }
      });

      assert.equal(result, 'Breakfast!');
    }
  }
);

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
discourse-ember-source-3.5.1.1	dist/es/ember-metal/tests/mixin/reopen_test.js
discourse-ember-source-3.5.1.0	dist/dist/es/ember-metal/tests/mixin/reopen_test.js