Add initial unit test

web/package.json.in

@@ -18,7 +18,7 @@
     "sanitize-html": "^2.11.0"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "mocha"
   },
   "repository": {
     "type": "git",
@@ -34,5 +34,12 @@
   "bugs": {
     "url": "https://github.com/ORNL/DataFed/issues"
   },
-  "homepage": "https://github.com/ORNL/DataFed#readme"
+  "homepage": "https://github.com/ORNL/DataFed#readme",
+  "devDependencies": {
+    "chai": "^4",
+    "esm": "^3.2.25",
+    "mocha": "^10.8.2",
+    "pug": "^3.0.3"
+  },
+  "type": "module"
 }

web/test/util.test.js

@@ -0,0 +1,23 @@
+import { expect } from 'chai';
+import { isObjEmpty } from '../static/util.js';
+
+describe('isObjEmpty', function () {
+  it('should return true for an empty object', function () {
+    const emptyObj = {};
+    expect(isObjEmpty(emptyObj)).to.be.true;
+  });
+
+  it('should return false for an object with properties', function () {
+    const objWithProps = { key: 'value' };
+    expect(isObjEmpty(objWithProps)).to.be.false;
+  });
+
+  it('should return true if a non-object is passed (like null)', function () {
+    expect(isObjEmpty(null)).to.be.true;
+  });
+
+  it('should return true if a non-object is passed (like undefined)', function () {
+    expect(isObjEmpty(undefined)).to.be.true;
+  });
+});
+