Add generateViewEvent() util to generate stats in e2e tests. Refactored xsrf.interceptor.ts to move constants to a separate file so they can be reused in e2e tests easily.

cypress/e2e/homepage-statistics.cy.ts

@@ -1,5 +1,6 @@
-import { REGEX_MATCH_NON_EMPTY_TEXT } from 'cypress/support/e2e';
+import { REGEX_MATCH_NON_EMPTY_TEXT, TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
 import { testA11y } from 'cypress/support/utils';
+import '../support/commands';
 
 describe('Site Statistics Page', () => {
     it('should load if you click on "Statistics" from homepage', () => {
@@ -9,6 +10,10 @@ describe('Site Statistics Page', () => {
     });
 
     it('should pass accessibility tests', () => {
+        // generate 2 view events on an Item's page
+        cy.generateViewEvent(TEST_ENTITY_PUBLICATION, 'item');
+        cy.generateViewEvent(TEST_ENTITY_PUBLICATION, 'item');
+
         cy.visit('/statistics');
 
         // <ds-site-statistics-page> tag must be visable

cypress/support/commands.ts

@@ -4,10 +4,12 @@
 // ***********************************************
 
 import { AuthTokenInfo, TOKENITEM } from 'src/app/core/auth/models/auth-token-info.model';
+import { DSPACE_XSRF_COOKIE, XSRF_REQUEST_HEADER } from 'src/app/core/xsrf/xsrf.constants';
 
 // NOTE: FALLBACK_TEST_REST_BASE_URL is only used if Cypress cannot read the REST API BaseURL
 // from the Angular UI's config.json. See 'login()'.
 export const FALLBACK_TEST_REST_BASE_URL = 'http://localhost:8080/server';
+export const FALLBACK_TEST_REST_DOMAIN = 'localhost';
 
 // Declare Cypress namespace to help with Intellisense & code completion in IDEs
 // ALL custom commands MUST be listed here for code completion to work
@@ -30,6 +32,15 @@ declare global {
              * @param password password to login as
              */
              loginViaForm(email: string, password: string): typeof loginViaForm;
+
+            /**
+             * Generate view event for given object. Useful for testing statistics pages with
+             * pre-generated statistics. This just generates a single "hit", but can be called multiple times to
+             * generate multiple hits.
+             * @param uuid  UUID of object
+             * @param dsoType type of DSpace Object (e.g. "item", "collection", "community")
+             */
+            generateViewEvent(uuid: string, dsoType: string): typeof generateViewEvent;
         }
     }
 }
@@ -56,22 +67,27 @@ function login(email: string, password: string): void {
         if (!config.rest.baseUrl) {
             console.warn("Could not load 'rest.baseUrl' from config.json. Falling back to " + FALLBACK_TEST_REST_BASE_URL);
         } else {
-            console.log("Found 'rest.baseUrl' in config.json. Using this REST API for login: ".concat(config.rest.baseUrl));
+            //console.log("Found 'rest.baseUrl' in config.json. Using this REST API for login: ".concat(config.rest.baseUrl));
             baseRestUrl = config.rest.baseUrl;
         }
 
-        // To login via REST, first we have to do a GET to obtain a valid CSRF token
-        cy.request( baseRestUrl + '/api/authn/status' )
-        .then((response) => {
-            // We should receive a CSRF token returned in a response header
-            expect(response.headers).to.have.property('dspace-xsrf-token');
-            const csrfToken = response.headers['dspace-xsrf-token'];
+        // Now find domain of our REST API, again with a fallback.
+        let baseDomain = FALLBACK_TEST_REST_DOMAIN;
+        if (!config.rest.host) {
+            console.warn("Could not load 'rest.host' from config.json. Falling back to " + FALLBACK_TEST_REST_DOMAIN);
+        } else {
+            baseDomain = config.rest.host;
+        }
+
+        // Create a fake CSRF Token.  Set it in the required server-side cookie
+        const csrfToken = 'fakeLoginCSRFToken';
+        cy.setCookie(DSPACE_XSRF_COOKIE, csrfToken, { 'domain': baseDomain });
 
         // Now, send login POST request including that CSRF token
         cy.request({
             method: 'POST',
             url: baseRestUrl + '/api/authn/login',
-                headers: { 'X-XSRF-TOKEN' : csrfToken},
+            headers: { [XSRF_REQUEST_HEADER]: csrfToken},
             form: true, // indicates the body should be form urlencoded
             body: { user: email, password: password }
         }).then((resp) => {
@@ -88,14 +104,14 @@ function login(email: string, password: string): void {
             // This ensures the UI will recognize we are logged in on next "visit()"
             cy.setCookie(TOKENITEM, JSON.stringify(authinfo));
         });
-        });
 
+        // Remove cookie with fake CSRF token, as it's no longer needed
+        cy.clearCookie(DSPACE_XSRF_COOKIE);
     });
 }
 // Add as a Cypress command (i.e. assign to 'cy.login')
 Cypress.Commands.add('login', login);
 
-
 /**
  * Login user via displayed login form
  * @param email email to login as
@@ -111,3 +127,60 @@ Cypress.Commands.add('login', login);
 }
 // Add as a Cypress command (i.e. assign to 'cy.loginViaForm')
 Cypress.Commands.add('loginViaForm', loginViaForm);
+
+
+/**
+ * Generate statistic view event for given object. Useful for testing statistics pages with
+ * pre-generated statistics. This just generates a single "hit", but can be called multiple times to
+ * generate multiple hits.
+ * @param uuid UUID of object
+ * @param dsoType type of DSpace Object (e.g. "item", "collection", "community")
+ */
+function generateViewEvent(uuid: string, dsoType: string): void {
+    // Cypress doesn't have access to the running application in Node.js.
+    // So, it's not possible to inject or load the AppConfig or environment of the Angular UI.
+    // Instead, we'll read our running application's config.json, which contains the configs &
+    // is regenerated at runtime each time the Angular UI application starts up.
+    cy.task('readUIConfig').then((str: string) => {
+        // Parse config into a JSON object
+        const config = JSON.parse(str);
+
+        // Find the URL of our REST API. Have a fallback ready, just in case 'rest.baseUrl' cannot be found.
+        let baseRestUrl = FALLBACK_TEST_REST_BASE_URL;
+        if (!config.rest.baseUrl) {
+            console.warn("Could not load 'rest.baseUrl' from config.json. Falling back to " + FALLBACK_TEST_REST_BASE_URL);
+        } else {
+            baseRestUrl = config.rest.baseUrl;
+        }
+
+        // Now find domain of our REST API, again with a fallback.
+        let baseDomain = FALLBACK_TEST_REST_DOMAIN;
+        if (!config.rest.host) {
+            console.warn("Could not load 'rest.host' from config.json. Falling back to " + FALLBACK_TEST_REST_DOMAIN);
+        } else {
+            baseDomain = config.rest.host;
+        }
+
+        // Create a fake CSRF Token.  Set it in the required server-side cookie
+        const csrfToken = 'fakeGenerateViewEventCSRFToken';
+        cy.setCookie(DSPACE_XSRF_COOKIE, csrfToken, { 'domain': baseDomain });
+
+        // Now, send 'statistics/viewevents' POST request including that fake CSRF token in required header
+        cy.request({
+            method: 'POST',
+            url: baseRestUrl + '/api/statistics/viewevents',
+            headers: { [XSRF_REQUEST_HEADER] : csrfToken},
+            //form: true, // indicates the body should be form urlencoded
+            body: { targetId: uuid, targetType: dsoType }
+        }).then((resp) => {
+            // We expect a 201 (which means statistics event was created)
+            expect(resp.status).to.eq(201);
+        });
+
+        // Remove cookie with fake CSRF token, as it's no longer needed
+        cy.clearCookie(DSPACE_XSRF_COOKIE);
+    });
+}
+// Add as a Cypress command (i.e. assign to 'cy.generateViewEvent')
+Cypress.Commands.add('generateViewEvent', generateViewEvent);
+

src/app/core/auth/server-auth-request.service.spec.ts

@@ -8,7 +8,7 @@ import { PostRequest } from '../data/request.models';
 import {
   XSRF_REQUEST_HEADER,
   XSRF_RESPONSE_HEADER
-} from '../xsrf/xsrf.interceptor';
+} from '../xsrf/xsrf.constants';
 
 describe(`ServerAuthRequestService`, () => {
   let href: string;

src/app/core/auth/server-auth-request.service.ts

@@ -13,7 +13,7 @@ import {
   XSRF_REQUEST_HEADER,
   XSRF_RESPONSE_HEADER,
   DSPACE_XSRF_COOKIE
-} from '../xsrf/xsrf.interceptor';
+} from '../xsrf/xsrf.constants';
 import { map } from 'rxjs/operators';
 import { Observable } from 'rxjs';
 

src/app/core/xsrf/xsrf.constants.ts

@@ -0,0 +1,33 @@
+/**
+ * XSRF / CSRF related constants
+ */
+
+/**
+ * Name of CSRF/XSRF header we (client) may SEND in requests to backend.
+ * (This is a standard header name for XSRF/CSRF defined by Angular)
+ */
+export const XSRF_REQUEST_HEADER = 'X-XSRF-TOKEN';
+
+/**
+ * Name of CSRF/XSRF header we (client) may RECEIVE in responses from backend
+ * This header is defined by DSpace backend, see https://github.com/DSpace/RestContract/blob/main/csrf-tokens.md
+ */
+export const XSRF_RESPONSE_HEADER = 'DSPACE-XSRF-TOKEN';
+
+/**
+ * Name of client-side Cookie where we store the CSRF/XSRF token between requests.
+ * This cookie is only available to client, and should be updated whenever a new XSRF_RESPONSE_HEADER
+ * is found in a response from the backend.
+ */
+export const XSRF_COOKIE = 'XSRF-TOKEN';
+
+/**
+ * Name of server-side cookie the backend expects the XSRF token to be in.
+ * When the backend receives a modifying request, it will validate the CSRF/XSRF token by looking
+ * for a match between the XSRF_REQUEST_HEADER and this Cookie. For more details see
+ * https://github.com/DSpace/RestContract/blob/main/csrf-tokens.md
+ *
+ * NOTE: This Cookie is NOT readable to the client/UI. It is only readable to the backend and will
+ * be sent along automatically by the user's browser.
+ */
+export const DSPACE_XSRF_COOKIE = 'DSPACE-XSRF-COOKIE';

src/app/core/xsrf/xsrf.interceptor.ts

@@ -12,15 +12,7 @@ import { Observable, throwError } from 'rxjs';
 import { tap, catchError } from 'rxjs/operators';
 import { RESTURLCombiner } from '../url-combiner/rest-url-combiner';
 import { CookieService } from '../services/cookie.service';
-
-// Name of XSRF header we may send in requests to backend (this is a standard name defined by Angular)
-export const XSRF_REQUEST_HEADER = 'X-XSRF-TOKEN';
-// Name of XSRF header we may receive in responses from backend
-export const XSRF_RESPONSE_HEADER = 'DSPACE-XSRF-TOKEN';
-// Name of cookie where we store the XSRF token
-export const XSRF_COOKIE = 'XSRF-TOKEN';
-// Name of cookie the backend expects the XSRF token to be in
-export const DSPACE_XSRF_COOKIE = 'DSPACE-XSRF-COOKIE';
+import { XSRF_COOKIE, XSRF_REQUEST_HEADER, XSRF_RESPONSE_HEADER } from './xsrf.constants';
 
 /**
  * Custom Http Interceptor intercepting Http Requests & Responses to

src/app/shared/upload/uploader/uploader.component.ts

@@ -9,7 +9,7 @@ import { UploaderOptions } from './uploader-options.model';
 import { hasValue, isNotEmpty, isUndefined } from '../../empty.util';
 import { UploaderProperties } from './uploader-properties.model';
 import { HttpXsrfTokenExtractor } from '@angular/common/http';
-import { XSRF_COOKIE, XSRF_REQUEST_HEADER, XSRF_RESPONSE_HEADER } from '../../../core/xsrf/xsrf.interceptor';
+import { XSRF_COOKIE, XSRF_REQUEST_HEADER, XSRF_RESPONSE_HEADER } from '../../../core/xsrf/xsrf.constants';
 import { CookieService } from '../../../core/services/cookie.service';
 import { DragService } from '../../../core/drag.service';