feat(jest): coverage reports for js unit tests (openemr#6735)

* feat(jest): coverage reports for js unit tests

* test(ccdaservice): test data return for empty stack

.gitignore

@@ -26,3 +26,4 @@ ccdaservice/node_modules
 
 # testing
 .phpunit.result.cache
+coverage/js-unit

ccdaservice/data-stack/data-stack.spec.js

@@ -13,6 +13,7 @@ describe('DataStack', () => {
     });
 
     it('should store and return data', () => {
+        expect(stack.returnData()).toEqual(null);
         const hello = 'Hello';
         const world = 'World!';
         stack.push(hello + delimiter);

jest.config.js

@@ -3,6 +3,28 @@ const config = {
     modulePathIgnorePatterns: [
         'public/assets',
         'vendor'
+    ],
+    coverageDirectory: 'coverage/js-unit',
+    collectCoverageFrom: ['**/*.js'],
+    coveragePathIgnorePatterns: [
+        'gulpfile.js',
+        'jest.config.js',
+        'node_modules',
+        'ccdaservice/node_modules',
+        'coverage',
+        'interface/forms/eye_mag/js/jquery-1-10-2',
+        'interface/forms/eye_mag/js/jquery-panelslider',
+        'interface/forms/eye_mag/js/jquery-ui-1-11-4',
+        'interface/forms/eye_mag/js/jquery-1-10-2',
+        'interface/forms/questionnaire_assessments/lforms/fhir',
+        'interface/forms/questionnaire_assessments/lforms/webcomponent',
+        'interface/modules/zend_modules/public/js/lib',
+        'interface/super/rules/www/js/cdr-multiselect',
+        'portal/patient/scripts/libs',
+        'public/assets',
+        'swagger',
+        'tests',
+        'vendor'
     ]
 };
 

package.json

@@ -13,7 +13,8 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "lint:js": "eslint '**/*.js' --quiet",
     "lint:js-fix": "npm run lint:js -- --fix",
-    "test:js": "jest"
+    "test:js": "jest",
+    "test:js-coverage": "jest --coverage"
   },
   "keywords": [
     "openemr"