odoo_source/addons/web/static/tests/component_extension_tests.js

odoo.define('web.component_extension_tests', function (require) {
    "use strict";

    const makeTestEnvironment = require("web.test_env");
    const testUtils = require("web.test_utils");

    const { Component, tags } = owl;
    const { xml } = tags;
    const { useListener } = require('web.custom_hooks');

    QUnit.module("web", function () {
        QUnit.module("Component Extension");

        QUnit.test("Component destroyed while performing successful RPC", async function (assert) {
            assert.expect(1);

            class Parent extends Component {}
            Parent.env = makeTestEnvironment({}, () => Promise.resolve());
            Parent.template = xml`<div/>`;

            const parent = new Parent();

            parent.rpc({}).then(() => { throw new Error(); });
            parent.destroy();

            await testUtils.nextTick();

            assert.ok(true, "Promise should still be pending");
        });

        QUnit.test("Component destroyed while performing failed RPC", async function (assert) {
            assert.expect(1);

            class Parent extends Component {}
            Parent.env = makeTestEnvironment({}, () => Promise.reject());
            Parent.template = xml`<div/>`;

            const parent = new Parent();

            parent.rpc({}).catch(() => { throw new Error(); });
            parent.destroy();

            await testUtils.nextTick();

            assert.ok(true, "Promise should still be pending");
        });

        QUnit.module("Custom Hooks");

        QUnit.test("useListener handler type", async function (assert) {
            assert.expect(1);

            class Parent extends Component {
                constructor() {
                    super();
                    useListener('custom1', '_onCustom1');
                }
            }
            Parent.env = makeTestEnvironment({}, () => Promise.reject());
            Parent.template = xml`<div/>`;

            assert.throws(() => new Parent(null), 'The handler must be a function');
        });

        QUnit.test("useListener in inheritance setting", async function (assert) {
            assert.expect(12);
            const fixture = document.body.querySelector('#qunit-fixture');

            class Parent extends Component {
                constructor() {
                    super();
                    useListener('custom1', this._onCustom1);
                    useListener('custom2', this._onCustom2);
                }
                _onCustom1() {
                    assert.step(`${this.constructor.name} custom1`);
                }
                _onCustom2() {
                    assert.step('parent custom2');
                }
            }
            Parent.env = makeTestEnvironment({}, () => Promise.reject());
            Parent.template = xml`<div/>`;

            class Child extends Parent {
                constructor() {
                    super();
                    useListener('custom2', this._onCustom2);
                    useListener('custom3', this._onCustom3);
                }
                _onCustom2() {
                    assert.step('overriden custom2');
                }
                _onCustom3() {
                    assert.step('child custom3');
                }
            }

            const parent = new Parent(null);
            const child = new Child(null);
            await parent.mount(fixture);
            await child.mount(fixture);

            parent.trigger('custom1');
            assert.verifySteps(['Parent custom1']);
            parent.trigger('custom2');
            assert.verifySteps(['parent custom2']);
            parent.trigger('custom3');
            assert.verifySteps([]);

            child.trigger('custom1');
            assert.verifySteps(['Child custom1']);
            // There are two handlers for that one (Parent and Child)
            // Although the handler is overriden in Child
            child.trigger('custom2');
            assert.verifySteps(['overriden custom2', 'overriden custom2']);
            child.trigger('custom3');
            assert.verifySteps(['child custom3']);
            parent.destroy();
            child.destroy();
        });

        QUnit.test("useListener with native JS selector", async function (assert) {
            assert.expect(3);
            const fixture = document.body.querySelector('#qunit-fixture');

            class Parent extends Component {
                constructor() {
                    super();
                    useListener('custom1', 'div .custom-class', this._onCustom1);
                }
                _onCustom1() {
                    assert.step(`custom1`);
                }
            }
            Parent.env = makeTestEnvironment({}, () => Promise.reject());
            Parent.template = xml`
                <div>
                    <p>no trigger</p>
                    <h1 class="custom-class">triggers</h1>
                </div>`;

            const parent = new Parent(null);
            await parent.mount(fixture);

            parent.el.querySelector('p').dispatchEvent(new Event('custom1', {bubbles: true}));
            assert.verifySteps([]);
            parent.el.querySelector('h1').dispatchEvent(new Event('custom1', {bubbles: true}));
            assert.verifySteps(['custom1']);
            parent.destroy();
        });

        QUnit.test("useListener with native JS selector delegation", async function (assert) {
            assert.expect(3);
            const fixture = document.body.querySelector('#qunit-fixture');

            class Parent extends Component {
                constructor() {
                    super();
                    useListener('custom1', '.custom-class', this._onCustom1);
                }
                _onCustom1() {
                    assert.step(`custom1`);
                }
            }
            Parent.env = makeTestEnvironment({}, () => Promise.reject());
            Parent.template = xml`
                <div>
                    <p>no trigger</p>
                    <h1 class="custom-class"><h2>triggers</h2></h1>
                </div>`;

            fixture.classList.add('custom-class');
            const parent = new Parent(null);
            await parent.mount(fixture);

            parent.el.querySelector('p').dispatchEvent(new Event('custom1', {bubbles: true}));
            assert.verifySteps([]);
            parent.el.querySelector('h2').dispatchEvent(new Event('custom1', {bubbles: true}));
            assert.verifySteps(['custom1']);
            parent.destroy();
            fixture.classList.remove('custom-class');
        });
    });
});