Resolved PR comments

Added tests
Moved onSubmt and initialize inside base class
Moved testExplorer to separate folder
made fields of SelfServe Class non static

test/testExplorer/TestExplorer.ts

@@ -0,0 +1,140 @@
+import { MessageTypes } from "../../src/Contracts/ExplorerContracts";
+import "../../less/hostedexplorer.less";
+import { TestExplorerParams } from "./TestExplorerParams";
+import { ClientSecretCredential } from "@azure/identity";
+import { DatabaseAccountsGetResponse } from "@azure/arm-cosmosdb/esm/models";
+import { CosmosDBManagementClient } from "@azure/arm-cosmosdb";
+import * as msRest from "@azure/ms-rest-js";
+import * as ViewModels from "../../src/Contracts/ViewModels";
+
+class CustomSigner implements msRest.ServiceClientCredentials {
+  private token: string;
+  constructor(token: string) {
+    this.token = token;
+  }
+
+  async signRequest(webResource: msRest.WebResourceLike): Promise<msRest.WebResourceLike> {
+    webResource.headers.set("authorization", `bearer ${this.token}`);
+    return webResource;
+  }
+}
+
+const handleMessage = (event: MessageEvent): void => {
+  if (event.data.type === MessageTypes.InitTestExplorer) {
+    sendMessageToExplorerFrame(event.data);
+  }
+};
+
+const AADLogin = async (
+  notebooksTestRunnerApplicationId: string,
+  notebooksTestRunnerClientId: string,
+  notebooksTestRunnerClientSecret: string
+): Promise<string> => {
+  const credentials = new ClientSecretCredential(
+    notebooksTestRunnerApplicationId,
+    notebooksTestRunnerClientId,
+    notebooksTestRunnerClientSecret
+  );
+  const token = await credentials.getToken("https://management.core.windows.net/.default");
+  return token.token;
+};
+
+const getDatabaseAccount = async (
+  token: string,
+  notebooksAccountSubscriptonId: string,
+  notebooksAccountResourceGroup: string,
+  notebooksAccountName: string
+): Promise<DatabaseAccountsGetResponse> => {
+  const client = new CosmosDBManagementClient(new CustomSigner(token), notebooksAccountSubscriptonId);
+  return client.databaseAccounts.get(notebooksAccountResourceGroup, notebooksAccountName);
+};
+
+const sendMessageToExplorerFrame = (data: unknown): void => {
+  const explorerFrame = document.getElementById("explorerMenu") as HTMLIFrameElement;
+
+  explorerFrame &&
+    explorerFrame.contentDocument &&
+    explorerFrame.contentDocument.referrer &&
+    explorerFrame.contentWindow.postMessage(
+      {
+        signature: "pcIframe",
+        data: data
+      },
+      explorerFrame.contentDocument.referrer || window.location.href
+    );
+};
+
+const initTestExplorer = async (): Promise<void> => {
+  window.addEventListener("message", handleMessage, false);
+
+  const urlSearchParams = new URLSearchParams(window.location.search);
+  const notebooksTestRunnerTenantId = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.notebooksTestRunnerTenantId)
+  );
+  const notebooksTestRunnerClientId = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.notebooksTestRunnerClientId)
+  );
+  const notebooksTestRunnerClientSecret = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.notebooksTestRunnerClientSecret)
+  );
+  const portalRunnerDatabaseAccount = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.portalRunnerDatabaseAccount)
+  );
+  const portalRunnerDatabaseAccountKey = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.portalRunnerDatabaseAccountKey)
+  );
+  const portalRunnerSubscripton = decodeURIComponent(urlSearchParams.get(TestExplorerParams.portalRunnerSubscripton));
+  const portalRunnerResourceGroup = decodeURIComponent(
+    urlSearchParams.get(TestExplorerParams.portalRunnerResourceGroup)
+  );
+  const selfServeType = urlSearchParams.get(TestExplorerParams.selfServeType);
+
+  const token = await AADLogin(
+    notebooksTestRunnerTenantId,
+    notebooksTestRunnerClientId,
+    notebooksTestRunnerClientSecret
+  );
+  const databaseAccount = await getDatabaseAccount(
+    token,
+    portalRunnerSubscripton,
+    portalRunnerResourceGroup,
+    portalRunnerDatabaseAccount
+  );
+
+  const initTestExplorerContent = {
+    type: MessageTypes.InitTestExplorer,
+    inputs: {
+      databaseAccount: databaseAccount,
+      subscriptionId: portalRunnerSubscripton,
+      resourceGroup: portalRunnerResourceGroup,
+      authorizationToken: `Bearer ${token}`,
+      features: {},
+      hasWriteAccess: true,
+      csmEndpoint: "https://management.azure.com",
+      dnsSuffix: "documents.azure.com",
+      serverId: "prod1",
+      extensionEndpoint: "/proxy",
+      subscriptionType: 3,
+      quotaId: "Internal_2014-09-01",
+      addCollectionDefaultFlight: "2",
+      isTryCosmosDBSubscription: false,
+      masterKey: portalRunnerDatabaseAccountKey,
+      loadDatabaseAccountTimestamp: 1604663109836,
+      dataExplorerVersion: "1.0.1",
+      sharedThroughputMinimum: 400,
+      sharedThroughputMaximum: 1000000,
+      sharedThroughputDefault: 400,
+      defaultCollectionThroughput: {
+        storage: "100",
+        throughput: { fixed: 400, unlimited: 400, unlimitedmax: 100000, unlimitedmin: 400, shared: 400 }
+      },
+      // add UI test only when feature is not dependent on flights anymore
+      flights: [],
+      selfServeType: selfServeType
+    } as ViewModels.DataExplorerInputsFrame
+  };
+
+  window.postMessage(initTestExplorerContent, window.location.href);
+};
+
+window.addEventListener("load", initTestExplorer);