open-consul/ui/packages/consul-ui/tests/unit/utils/dom/get-component-factory-test.js

54 lines
1.5 KiB
JavaScript

/**
* Copyright (c) HashiCorp, Inc.
* SPDX-License-Identifier: MPL-2.0
*/
import getComponentFactory from 'consul-ui/utils/dom/get-component-factory';
import { module, test } from 'qunit';
module('Unit | Utility | dom/get component factory', function () {
test("it uses lookup to locate the instance of the component based on the DOM element's id", function (assert) {
const expected = 'name';
let getComponent = getComponentFactory({
lookup: function () {
return { id: expected };
},
});
assert.equal(typeof getComponent, 'function', 'returns a function');
const actual = getComponent({
getAttribute: function (name) {
return 'id';
},
});
assert.equal(actual, expected, 'performs a lookup based on the id');
});
test("it returns null if it can't find it", function (assert) {
const expected = null;
let getComponent = getComponentFactory({
lookup: function () {
return { id: '' };
},
});
const actual = getComponent({
getAttribute: function (name) {
return 'non-existent';
},
});
assert.equal(actual, expected);
});
test('it returns null if there is no id', function (assert) {
const expected = null;
let getComponent = getComponentFactory({
lookup: function () {
return { id: '' };
},
});
const actual = getComponent({
getAttribute: function (name) {
return;
},
});
assert.equal(actual, expected);
});
});