170 lines
6.7 KiB
TypeScript
170 lines
6.7 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { wait } from '@/testing/utils';
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import { CoreDirectivesRegistry } from '@singletons/directives-registry';
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const cssClassName = 'core-directives-registry-test';
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const createAndRegisterInstance = (element?: HTMLElement) => {
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element = element ?? document.createElement('div');
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element.classList.add(cssClassName);
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const instance = new DirectivesRegistryTestClass();
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CoreDirectivesRegistry.register(element, instance);
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return { element, instance };
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};
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describe('CoreDirectivesRegistry singleton', () => {
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let element: HTMLElement;
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let testClassInstance: DirectivesRegistryTestClass;
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let testClassSecondInstance: DirectivesRegistryTestClass;
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let testAltClassInstance: DirectivesRegistryAltTestClass;
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beforeEach(() => {
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let result = createAndRegisterInstance();
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element = result.element;
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testClassInstance = result.instance;
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result = createAndRegisterInstance(element);
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testClassSecondInstance = result.instance;
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testAltClassInstance = new DirectivesRegistryAltTestClass();
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CoreDirectivesRegistry.register(element, testAltClassInstance);
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});
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it('resolves a stored instance', () => {
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expect(CoreDirectivesRegistry.resolve(element)).toEqual(testClassInstance);
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expect(CoreDirectivesRegistry.resolve(element, DirectivesRegistryTestClass)).toEqual(testClassInstance);
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expect(CoreDirectivesRegistry.resolve(element, DirectivesRegistryAltTestClass)).toEqual(testAltClassInstance);
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expect(CoreDirectivesRegistry.resolve(element, CoreDirectivesRegistry)).toEqual(null);
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expect(CoreDirectivesRegistry.resolve(document.createElement('div'))).toEqual(null);
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});
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it('resolves all stored instances', () => {
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expect(CoreDirectivesRegistry.resolveAll(element)).toEqual(
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[testClassInstance, testClassSecondInstance, testAltClassInstance],
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);
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expect(CoreDirectivesRegistry.resolveAll(element, DirectivesRegistryTestClass)).toEqual(
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[testClassInstance, testClassSecondInstance],
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);
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expect(CoreDirectivesRegistry.resolveAll(element, DirectivesRegistryAltTestClass)).toEqual([testAltClassInstance]);
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expect(CoreDirectivesRegistry.resolveAll(element, CoreDirectivesRegistry)).toEqual([]);
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expect(CoreDirectivesRegistry.resolveAll(document.createElement('div'))).toEqual([]);
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});
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it('requires a stored instance', () => {
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expect(CoreDirectivesRegistry.require(element)).toEqual(testClassInstance);
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expect(CoreDirectivesRegistry.require(element, DirectivesRegistryTestClass)).toEqual(testClassInstance);
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expect(CoreDirectivesRegistry.require(element, DirectivesRegistryAltTestClass)).toEqual(testAltClassInstance);
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expect(() => CoreDirectivesRegistry.require(element, CoreDirectivesRegistry)).toThrow();
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expect(() => CoreDirectivesRegistry.require(document.createElement('div'))).toThrow();
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});
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it('waits for directive ready', async () => {
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expect(testClassInstance.isReady).toBe(false);
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await CoreDirectivesRegistry.waitDirectiveReady(element);
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expect(testClassInstance.isReady).toBe(true);
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});
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it('waits for directives ready: just one element and directive', async () => {
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const result = createAndRegisterInstance();
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expect(result.instance.isReady).toBe(false);
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await CoreDirectivesRegistry.waitDirectivesReady(result.element, `.${cssClassName}`);
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expect(result.instance.isReady).toBe(true);
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expect(testClassInstance.isReady).toBe(false);
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});
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it('waits for directives ready: all directives, single element', async () => {
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expect(testClassInstance.isReady).toBe(false);
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expect(testClassSecondInstance.isReady).toBe(false);
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expect(testAltClassInstance.isReady).toBe(false);
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await CoreDirectivesRegistry.waitDirectivesReady(element);
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expect(testClassInstance.isReady).toBe(true);
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expect(testClassSecondInstance.isReady).toBe(true);
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expect(testAltClassInstance.isReady).toBe(true);
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});
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it('waits for directives ready: filter by class, single element', async () => {
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expect(testClassInstance.isReady).toBe(false);
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expect(testClassSecondInstance.isReady).toBe(false);
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expect(testAltClassInstance.isReady).toBe(false);
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await CoreDirectivesRegistry.waitDirectivesReady(element, `.${cssClassName}`, DirectivesRegistryTestClass);
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expect(testClassInstance.isReady).toBe(true);
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expect(testClassSecondInstance.isReady).toBe(true);
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expect(testAltClassInstance.isReady).toBe(false);
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});
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it('waits for directives ready: multiple elements', async () => {
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const secondResult = createAndRegisterInstance();
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const thirdResult = createAndRegisterInstance();
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thirdResult.element.classList.remove(cssClassName); // Remove the class so the element and instance aren't treated.
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const parent = document.createElement('div');
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parent.appendChild(element);
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parent.appendChild(secondResult.element);
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parent.appendChild(thirdResult.element);
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expect(testClassInstance.isReady).toBe(false);
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expect(testClassSecondInstance.isReady).toBe(false);
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expect(testAltClassInstance.isReady).toBe(false);
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expect(secondResult.instance.isReady).toBe(false);
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expect(thirdResult.instance.isReady).toBe(false);
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await CoreDirectivesRegistry.waitDirectivesReady(parent, `.${cssClassName}`, DirectivesRegistryTestClass);
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expect(testClassInstance.isReady).toBe(true);
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expect(testClassSecondInstance.isReady).toBe(true);
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expect(testAltClassInstance.isReady).toBe(false);
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expect(secondResult.instance.isReady).toBe(true);
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expect(thirdResult.instance.isReady).toBe(false);
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});
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});
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class DirectivesRegistryTestClass {
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randomId = Math.random();
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isReady = false;
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async ready(): Promise<void> {
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await wait(50);
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this.isReady = true;
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}
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}
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class DirectivesRegistryAltTestClass {
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randomId = Math.random();
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isReady = false;
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async ready(): Promise<void> {
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await wait(50);
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this.isReady = true;
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}
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}
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