Added cypress test for the implemented milestone

cypress/e2e/knocking/knocking.spec.ts

@@ -0,0 +1,75 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/// <reference types="cypress" />
+
+import { SynapseInstance } from "../../plugins/synapsedocker";
+import { MatrixClient } from "../../global";
+import Chainable = Cypress.Chainable;
+
+function openCreateRoomDialog(): Chainable<JQuery<HTMLElement>> {
+    cy.get('[aria-label="Add room"]').click();
+    cy.get('.mx_ContextualMenu [aria-label="New room"]').click();
+    return cy.get(".mx_CreateRoomDialog");
+}
+
+describe("Knocking", () => {
+    let synapse: SynapseInstance;
+
+    beforeEach(() => {
+        cy.startSynapse("default").then(data => {
+            synapse = data;
+
+            cy.initTestUser(synapse, "Tom");
+        });
+    });
+
+    afterEach(() => {
+        cy.stopSynapse(synapse);
+    });
+
+    it("should be able to create a room with knock JoinRule", () => {
+        // Enables labs flag feature
+        cy.enableLabsFeature("feature_knocking");
+        const name = "Test room 1";
+        const topic = "This is a test room";
+
+        // Create a room with knock JoinRule
+        openCreateRoomDialog().within(() => {
+            cy.get('[label="Name"]').type(name);
+            cy.get('[label="Topic (optional)"]').type(topic);
+            cy.get(".mx_JoinRuleDropdown").click();
+            cy.get(".mx_JoinRuleDropdown_knock").click();
+            cy.startMeasuring("from-submit-to-room");
+            cy.get(".mx_Dialog_primary").click();
+        });
+
+        // Change room settings
+        cy.openRoomSettings("Security & Privacy");
+        cy.get(".mx_StyledRadioButton_content").contains("Ask to join").click();
+        cy.closeDialog();
+
+        //Check if the room settings are visible if labs flag is disabled
+        cy.openUserSettings("Labs").within(() => {
+            //disables labs flag feature
+            cy.get("[aria-label='Knocking']").click();
+        });
+        cy.closeDialog();
+        //the default joinRule is set to Private (invite only)
+        cy.openRoomSettings("Security & Privacy");
+
+        cy.stopMeasuring("from-submit-to-room");
+        cy.get(".mx_RoomHeader_nametext").contains(name);
+        cy.get(".mx_RoomHeader_topic").contains(topic);
+    });
+});