Add logging for violations & testA11y() in utils.ts. Use that method everywhere else

cypress/integration/breadcrumbs.spec.ts

@@ -1,23 +1,15 @@
-import { Options } from "cypress-axe";
+import { TEST_ENTITY_PUBLICATION } from 'cypress/support';
-import { TEST_ENTITY_PUBLICATION } from "cypress/support";
+import { testA11y } from 'cypress/support/utils';
 
 describe('Breadcrumbs', () => {
     it('should pass accessibility tests', () => {
         // Visit an Item, as those have more breadcrumbs
         cy.visit('/entities/publication/' + TEST_ENTITY_PUBLICATION);
-        cy.injectAxe();
 
         // Wait for breadcrumbs to be visible
         cy.get('ds-breadcrumbs').should('be.visible');
 
         // Analyze <ds-breadcrumbs> for accessibility
-        // Disable color-contrast checks until #1149 is fixed
+        testA11y('ds-breadcrumbs');
-        cy.checkA11y('ds-breadcrumbs',
-            {
-                rules: {
-                    'color-contrast': { enabled: false }
-                }
-            } as Options
-        );
     });
 });

cypress/integration/collection-page.spec.ts

@@ -1,23 +1,15 @@
-import { Options } from "cypress-axe";
+import { TEST_COLLECTION } from 'cypress/support';
-import { TEST_COLLECTION } from "cypress/support";
+import { testA11y } from 'cypress/support/utils';
 
 describe('Collection Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit('/collections/' + TEST_COLLECTION);
-        cy.injectAxe();
 
         // <ds-collection-page> tag must be loaded
         cy.get('ds-collection-page').should('exist');
 
         // Analyze <ds-collection-page> for accessibility issues
-        // Disable color-contrast checks until it is fixed (see #1202 and #1178)
+        testA11y('ds-collection-page');
-        cy.checkA11y('ds-collection-page',
-            {
-                rules: {
-                    'color-contrast': { enabled: false }
-                }
-            } as Options
-        );
     });
 });

cypress/integration/collection-statistics.spec.ts

@@ -1,4 +1,5 @@
-import { TEST_COLLECTION } from "cypress/support";
+import { TEST_COLLECTION } from 'cypress/support';
+import { testA11y } from 'cypress/support/utils';
 
 describe('Collection Statistics Page', () => {
     const COLLECTIONSTATISTICSPAGE = '/statistics/collections/' + TEST_COLLECTION;
@@ -21,12 +22,11 @@ describe('Collection Statistics Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit(COLLECTIONSTATISTICSPAGE);
-        cy.injectAxe();
 
         // <ds-collection-statistics-page> tag must be loaded
         cy.get('ds-collection-statistics-page').should('exist');
 
         // Analyze <ds-collection-statistics-page> for accessibility issues
-        cy.checkA11y('ds-collection-statistics-page');
+        testA11y('ds-collection-statistics-page');
     });
 });

cypress/integration/community-list.spec.ts

@@ -1,10 +1,10 @@
-import { Options } from "cypress-axe";
+import { Options } from 'cypress-axe';
+import { testA11y } from 'cypress/support/utils';
 
 describe('Community List Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit('/community-list');
-        cy.injectAxe();
 
         // <ds-community-list-page> tag must be loaded
         cy.get('ds-community-list-page').should('exist');
@@ -14,7 +14,7 @@ describe('Community List Page', () => {
 
         // Analyze <ds-community-list-page> for accessibility issues
         // Disable heading-order checks until it is fixed
-        cy.checkA11y('ds-community-list-page',
+        testA11y('ds-community-list-page',
             {
                 rules: {
                     'heading-order': { enabled: false }

cypress/integration/community-page.spec.ts

@@ -1,23 +1,15 @@
-import { Options } from "cypress-axe";
+import { TEST_COMMUNITY } from 'cypress/support';
-import { TEST_COMMUNITY } from "cypress/support";
+import { testA11y } from 'cypress/support/utils';
 
 describe('Community Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit('/communities/' + TEST_COMMUNITY);
-        cy.injectAxe();
 
         // <ds-community-page> tag must be loaded
         cy.get('ds-community-page').should('exist');
 
         // Analyze <ds-community-page> for accessibility issues
-        // Disable color-contrast checks until it is fixed (see #1202 and #1178)
+        testA11y('ds-community-page',);
-        cy.checkA11y('ds-community-page',
-            {
-                rules: {
-                    'color-contrast': { enabled: false }
-                }
-            } as Options
-        );
     });
 });

cypress/integration/community-statistics.spec.ts

@@ -1,4 +1,5 @@
-import { TEST_COMMUNITY } from "cypress/support";
+import { TEST_COMMUNITY } from 'cypress/support';
+import { testA11y } from 'cypress/support/utils';
 
 describe('Community Statistics Page', () => {
     const COMMUNITYSTATISTICSPAGE = '/statistics/communities/' + TEST_COMMUNITY;
@@ -21,12 +22,11 @@ describe('Community Statistics Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit(COMMUNITYSTATISTICSPAGE);
-        cy.injectAxe();
 
         // <ds-community-statistics-page> tag must be loaded
         cy.get('ds-community-statistics-page').should('exist');
 
         // Analyze <ds-community-statistics-page> for accessibility issues
-        cy.checkA11y('ds-community-statistics-page');
+        testA11y('ds-community-statistics-page');
     });
 });

cypress/integration/footer.spec.ts

@@ -1,12 +1,13 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('Footer', () => {
     it('should pass accessibility tests', () => {
         cy.visit('/');
-        cy.injectAxe();
 
         // Footer must first be visible
         cy.get('ds-footer').should('be.visible');
 
         // Analyze <ds-footer> for accessibility
-        cy.checkA11y('ds-footer');
+        testA11y('ds-footer');
     });
 });

cypress/integration/header.spec.ts

@@ -1,13 +1,14 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('Header', () => {
     it('should pass accessibility tests', () => {
         cy.visit('/');
-        cy.injectAxe();
 
         // Header must first be visible
         cy.get('ds-header').should('be.visible');
 
         // Analyze <ds-header> for accessibility
-        cy.checkA11y({
+        testA11y({
             include: ['ds-header'],
             exclude: [
                 ['#search-navbar-container'], // search in navbar has duplicative ID. Will be fixed in #1174

cypress/integration/homepage-statistics.spec.ts

@@ -1,3 +1,5 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('Site Statistics Page', () => {
     it('should load if you click on "Statistics" from homepage', () => {
         cy.visit('/');
@@ -7,12 +9,11 @@ describe('Site Statistics Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit('/statistics');
-        cy.injectAxe();
 
         // <ds-site-statistics-page> tag must be loaded
         cy.get('ds-site-statistics-page').should('exist');
 
         // Analyze <ds-site-statistics-page> for accessibility issues
-        cy.checkA11y('ds-site-statistics-page');
+        testA11y('ds-site-statistics-page');
     });
 });

cypress/integration/homepage.spec.ts

@@ -1,3 +1,5 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('Homepage', () => {
   beforeEach(() => {
     // All tests start with visiting homepage
@@ -21,12 +23,10 @@ describe('Homepage', () => {
   });
 
   it('should pass accessibility tests', () => {
-    cy.injectAxe();
-
     // Wait for homepage tag to appear
     cy.get('ds-home-page').should('be.visible');
 
     // Analyze <ds-home-page> for accessibility issues
-    cy.checkA11y('ds-home-page');
+    testA11y('ds-home-page');
   });
 });

cypress/integration/item-page.spec.ts

@@ -1,5 +1,6 @@
-import { Options } from "cypress-axe";
+import { Options } from 'cypress-axe';
-import { TEST_ENTITY_PUBLICATION } from "cypress/support";
+import { TEST_ENTITY_PUBLICATION } from 'cypress/support';
+import { testA11y } from 'cypress/support/utils';
 
 describe('Item  Page', () => {
     const ITEMPAGE = '/items/' + TEST_ENTITY_PUBLICATION;
@@ -13,14 +14,13 @@ describe('Item  Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit(ENTITYPAGE);
-        cy.injectAxe();
 
         // <ds-item-page> tag must be loaded
         cy.get('ds-item-page').should('exist');
 
         // Analyze <ds-item-page> for accessibility issues
         // Disable heading-order checks until it is fixed
-        cy.checkA11y('ds-item-page',
+        testA11y('ds-item-page',
             {
                 rules: {
                     'heading-order': { enabled: false }

cypress/integration/item-statistics.spec.ts

@@ -1,4 +1,5 @@
-import { TEST_ENTITY_PUBLICATION } from "cypress/support";
+import { TEST_ENTITY_PUBLICATION } from 'cypress/support';
+import { testA11y } from 'cypress/support/utils';
 
 describe('Item Statistics Page', () => {
     const ITEMSTATISTICSPAGE = '/statistics/items/' + TEST_ENTITY_PUBLICATION;
@@ -27,12 +28,11 @@ describe('Item Statistics Page', () => {
 
     it('should pass accessibility tests', () => {
         cy.visit(ITEMSTATISTICSPAGE);
-        cy.injectAxe();
 
         // <ds-item-statistics-page> tag must be loaded
         cy.get('ds-item-statistics-page').should('exist');
 
         // Analyze <ds-item-statistics-page> for accessibility issues
-        cy.checkA11y('ds-item-statistics-page');
+        testA11y('ds-item-statistics-page');
     });
 });

cypress/plugins/index.ts

@@ -1,5 +1,16 @@
 // Plugins enable you to tap into, modify, or extend the internal behavior of Cypress
 // For more info, visit https://on.cypress.io/plugins-api
-/* tslint:disable:no-empty */
+module.exports = (on, config) => {
-module.exports = (on, config) => { };
+    // Define "log" and "table" tasks, used for logging accessibility errors during CI
-/* tslint:enable:no-empty */
+    // Borrowed from https://github.com/component-driven/cypress-axe#in-cypress-plugins-file
+    on('task', {
+        log(message: string) {
+            console.log(message);
+            return null;
+        },
+        table(message: string) {
+            console.table(message);
+            return null;
+        }
+    });
+};

cypress/support/utils.ts

@@ -0,0 +1,44 @@
+import { Result } from 'axe-core';
+import { Options } from 'cypress-axe';
+
+// Log violations to terminal/commandline in a table format.
+// Uses 'log' and 'table' tasks defined in ../plugins/index.ts
+// Borrowed from https://github.com/component-driven/cypress-axe#in-your-spec-file
+function terminalLog(violations: Result[]) {
+    cy.task(
+        'log',
+        `${violations.length} accessibility violation${violations.length === 1 ? '' : 's'} ${violations.length === 1 ? 'was' : 'were'} detected`
+    );
+    // pluck specific keys to keep the table readable
+    const violationData = violations.map(
+        ({ id, impact, description, helpUrl, nodes }) => ({
+            id,
+            impact,
+            description,
+            helpUrl,
+            nodes: nodes.length,
+            html: nodes.map(node => node.html)
+        })
+    );
+
+    // Print violations as an array, since 'node.html' above often breaks table alignment
+    cy.task('log', violationData);
+    // Optionally, uncomment to print as a table
+    // cy.task('table', violationData);
+
+}
+
+// Custom "testA11y()" method which checks accessibility using cypress-axe
+// while also ensuring any violations are logged to the terminal (see terminalLog above)
+// This method MUST be called after cy.visit(), as cy.injectAxe() must be called after page load
+export const testA11y = (context?: any, options?: Options) => {
+    cy.injectAxe();
+    cy.configureAxe({
+        rules: [
+            // Disable color contrast checks as they are inaccurate / result in a lot of false positives
+            // See also open issues in axe-core: https://github.com/dequelabs/axe-core/labels/color%20contrast
+            { id: 'color-contrast', enabled: false },
+        ]
+    });
+    cy.checkA11y(context, options, terminalLog);
+};

cypress/tsconfig.json

@@ -6,7 +6,8 @@
   "compilerOptions": {
     "types": [
       "cypress",
-      "cypress-axe"
+      "cypress-axe",
+      "node"
     ]
   }
 }