Chore: Enable MSW in web/test-runner + add tests for state manager + isCurrentUser util

src/Umbraco.Web.UI.Client/mockServiceWorker.js

@@ -0,0 +1,302 @@
+/* eslint-disable */
+/* tslint:disable */
+
+/**
+ * Mock Service Worker (1.3.5).
+ * @see https://github.com/mswjs/msw
+ * - Please do NOT modify this file.
+ * - Please do NOT serve this file on production.
+ */
+
+const INTEGRITY_CHECKSUM = '3d6b9f06410d179a7f7404d4bf4c3c70';
+const activeClientIds = new Set();
+
+self.addEventListener('install', function () {
+	self.skipWaiting();
+});
+
+self.addEventListener('activate', function (event) {
+	event.waitUntil(self.clients.claim());
+});
+
+self.addEventListener('message', async function (event) {
+	const clientId = event.source.id;
+
+	if (!clientId || !self.clients) {
+		return;
+	}
+
+	const client = await self.clients.get(clientId);
+
+	if (!client) {
+		return;
+	}
+
+	const allClients = await self.clients.matchAll({
+		type: 'window',
+	});
+
+	switch (event.data) {
+		case 'KEEPALIVE_REQUEST': {
+			sendToClient(client, {
+				type: 'KEEPALIVE_RESPONSE',
+			});
+			break;
+		}
+
+		case 'INTEGRITY_CHECK_REQUEST': {
+			sendToClient(client, {
+				type: 'INTEGRITY_CHECK_RESPONSE',
+				payload: INTEGRITY_CHECKSUM,
+			});
+			break;
+		}
+
+		case 'MOCK_ACTIVATE': {
+			activeClientIds.add(clientId);
+
+			sendToClient(client, {
+				type: 'MOCKING_ENABLED',
+				payload: true,
+			});
+			break;
+		}
+
+		case 'MOCK_DEACTIVATE': {
+			activeClientIds.delete(clientId);
+			break;
+		}
+
+		case 'CLIENT_CLOSED': {
+			activeClientIds.delete(clientId);
+
+			const remainingClients = allClients.filter((client) => {
+				return client.id !== clientId;
+			});
+
+			// Unregister itself when there are no more clients
+			if (remainingClients.length === 0) {
+				self.registration.unregister();
+			}
+
+			break;
+		}
+	}
+});
+
+self.addEventListener('fetch', function (event) {
+	const { request } = event;
+	const accept = request.headers.get('accept') || '';
+
+	// Bypass server-sent events.
+	if (accept.includes('text/event-stream')) {
+		return;
+	}
+
+	// Bypass navigation requests.
+	if (request.mode === 'navigate') {
+		return;
+	}
+
+	// Opening the DevTools triggers the "only-if-cached" request
+	// that cannot be handled by the worker. Bypass such requests.
+	if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') {
+		return;
+	}
+
+	// Bypass all requests when there are no active clients.
+	// Prevents the self-unregistered worked from handling requests
+	// after it's been deleted (still remains active until the next reload).
+	if (activeClientIds.size === 0) {
+		return;
+	}
+
+	// Generate unique request ID.
+	const requestId = Math.random().toString(16).slice(2);
+
+	event.respondWith(
+		handleRequest(event, requestId).catch((error) => {
+			if (error.name === 'NetworkError') {
+				console.warn(
+					'[MSW] Successfully emulated a network error for the "%s %s" request.',
+					request.method,
+					request.url,
+				);
+				return;
+			}
+
+			// At this point, any exception indicates an issue with the original request/response.
+			console.error(
+				`\
+[MSW] Caught an exception from the "%s %s" request (%s). This is probably not a problem with Mock Service Worker. There is likely an additional logging output above.`,
+				request.method,
+				request.url,
+				`${error.name}: ${error.message}`,
+			);
+		}),
+	);
+});
+
+async function handleRequest(event, requestId) {
+	const client = await resolveMainClient(event);
+	const response = await getResponse(event, client, requestId);
+
+	// Send back the response clone for the "response:*" life-cycle events.
+	// Ensure MSW is active and ready to handle the message, otherwise
+	// this message will pend indefinitely.
+	if (client && activeClientIds.has(client.id)) {
+		(async function () {
+			const clonedResponse = response.clone();
+			sendToClient(client, {
+				type: 'RESPONSE',
+				payload: {
+					requestId,
+					type: clonedResponse.type,
+					ok: clonedResponse.ok,
+					status: clonedResponse.status,
+					statusText: clonedResponse.statusText,
+					body: clonedResponse.body === null ? null : await clonedResponse.text(),
+					headers: Object.fromEntries(clonedResponse.headers.entries()),
+					redirected: clonedResponse.redirected,
+				},
+			});
+		})();
+	}
+
+	return response;
+}
+
+// Resolve the main client for the given event.
+// Client that issues a request doesn't necessarily equal the client
+// that registered the worker. It's with the latter the worker should
+// communicate with during the response resolving phase.
+async function resolveMainClient(event) {
+	const client = await self.clients.get(event.clientId);
+
+	if (client?.frameType === 'top-level') {
+		return client;
+	}
+
+	const allClients = await self.clients.matchAll({
+		type: 'window',
+	});
+
+	return allClients
+		.filter((client) => {
+			// Get only those clients that are currently visible.
+			return client.visibilityState === 'visible';
+		})
+		.find((client) => {
+			// Find the client ID that's recorded in the
+			// set of clients that have registered the worker.
+			return activeClientIds.has(client.id);
+		});
+}
+
+async function getResponse(event, client, requestId) {
+	const { request } = event;
+	const clonedRequest = request.clone();
+
+	function passthrough() {
+		// Clone the request because it might've been already used
+		// (i.e. its body has been read and sent to the client).
+		const headers = Object.fromEntries(clonedRequest.headers.entries());
+
+		// Remove MSW-specific request headers so the bypassed requests
+		// comply with the server's CORS preflight check.
+		// Operate with the headers as an object because request "Headers"
+		// are immutable.
+		delete headers['x-msw-bypass'];
+
+		return fetch(clonedRequest, { headers });
+	}
+
+	// Bypass mocking when the client is not active.
+	if (!client) {
+		return passthrough();
+	}
+
+	// Bypass initial page load requests (i.e. static assets).
+	// The absence of the immediate/parent client in the map of the active clients
+	// means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
+	// and is not ready to handle requests.
+	if (!activeClientIds.has(client.id)) {
+		return passthrough();
+	}
+
+	// Bypass requests with the explicit bypass header.
+	// Such requests can be issued by "ctx.fetch()".
+	if (request.headers.get('x-msw-bypass') === 'true') {
+		return passthrough();
+	}
+
+	// Notify the client that a request has been intercepted.
+	const clientMessage = await sendToClient(client, {
+		type: 'REQUEST',
+		payload: {
+			id: requestId,
+			url: request.url,
+			method: request.method,
+			headers: Object.fromEntries(request.headers.entries()),
+			cache: request.cache,
+			mode: request.mode,
+			credentials: request.credentials,
+			destination: request.destination,
+			integrity: request.integrity,
+			redirect: request.redirect,
+			referrer: request.referrer,
+			referrerPolicy: request.referrerPolicy,
+			body: await request.text(),
+			bodyUsed: request.bodyUsed,
+			keepalive: request.keepalive,
+		},
+	});
+
+	switch (clientMessage.type) {
+		case 'MOCK_RESPONSE': {
+			return respondWithMock(clientMessage.data);
+		}
+
+		case 'MOCK_NOT_FOUND': {
+			return passthrough();
+		}
+
+		case 'NETWORK_ERROR': {
+			const { name, message } = clientMessage.data;
+			const networkError = new Error(message);
+			networkError.name = name;
+
+			// Rejecting a "respondWith" promise emulates a network error.
+			throw networkError;
+		}
+	}
+
+	return passthrough();
+}
+
+function sendToClient(client, message) {
+	return new Promise((resolve, reject) => {
+		const channel = new MessageChannel();
+
+		channel.port1.onmessage = (event) => {
+			if (event.data && event.data.error) {
+				return reject(event.data.error);
+			}
+
+			resolve(event.data);
+		};
+
+		client.postMessage(message, [channel.port2]);
+	});
+}
+
+function sleep(timeMs) {
+	return new Promise((resolve) => {
+		setTimeout(resolve, timeMs);
+	});
+}
+
+async function respondWithMock(response) {
+	await sleep(response.delay);
+	return new Response(response.body, response);
+}

src/Umbraco.Web.UI.Client/src/mocks/browser-handlers.ts

@@ -32,7 +32,7 @@ import { handlers as templateHandlers } from './handlers/template/index.js';
 import { handlers as upgradeHandlers } from './handlers/upgrade.handlers.js';
 import { handlers as userGroupsHandlers } from './handlers/user-group/index.js';
 import { handlers as userHandlers } from './handlers/user/index.js';
-import * as manifestsHandlers from './handlers/manifests.handlers.js';
+//import * as manifestsHandlers from './handlers/manifests.handlers.js';
 import * as serverHandlers from './handlers/server.handlers.js';
 import { handlers as documentBlueprintHandlers } from './handlers/document-blueprint/index.js';
 import { handlers as temporaryFileHandlers } from './handlers/temporary-file/index.js';
@@ -75,8 +75,10 @@ const handlers = [
 	...documentBlueprintHandlers,
 	...temporaryFileHandlers,
 	...serverHandlers.serverInformationHandlers,
+	serverHandlers.serverRunningHandler,
 ];
 
+/* TODO: find solution to run with different handlers across vite mocks and web-test-runner mocks
 switch (import.meta.env.VITE_UMBRACO_INSTALL_STATUS) {
 	case 'must-install':
 		handlers.push(serverHandlers.serverMustInstallHandler);
@@ -96,5 +98,6 @@ switch (import.meta.env.VITE_UMBRACO_EXTENSION_MOCKS) {
 	default:
 		handlers.push(...manifestsHandlers.manifestEmptyHandlers);
 }
+*/
 
 export { handlers };

src/Umbraco.Web.UI.Client/src/mocks/handlers/config.handlers.ts

@@ -1,4 +1,4 @@
-import { rest } from 'msw';
+const { rest } = window.MockServiceWorker;
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 import type { ServertimeOffset } from '@umbraco-cms/backoffice/models';
 

src/Umbraco.Web.UI.Client/src/mocks/handlers/images.handlers.ts

@@ -1,4 +1,4 @@
-import { rest } from 'msw';
+const { rest } = window.MockServiceWorker;
 
 // TODO: add schema
 export const handlers = [

src/Umbraco.Web.UI.Client/src/mocks/handlers/temporary-file/temporary-file.handlers.ts

@@ -1,4 +1,4 @@
-import { rest } from 'msw';
+const { rest } = window.MockServiceWorker;
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 import type { PostTemporaryFileResponse } from '@umbraco-cms/backoffice/external/backend-api';
 import { UmbId } from '@umbraco-cms/backoffice/id';