Added unit tests for API and Web App

Also updated backend to use .NET6

yaba-web/package.json

@@ -43,5 +43,8 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "devDependencies": {
+    "jest": "^27.5.1"
   }
 }

yaba-web/src/tests/utils/arrayHelper.test.js

@@ -0,0 +1,30 @@
+import { isSubset } from "../../utils/arrayHelper";
+
+describe("utils/arrayHelper", () => {
+    describe("isSubset", () => {
+        const testCases = [
+            {
+                parentArray: ["test1", "test2", "test3", "test4"],
+                subsetArray: ["test1"],
+                expected: true
+            },
+            {
+                parentArray: ["test1", "test2", "test3", "test4"],
+                subsetArray: ["test5"],
+                expected: false
+            },
+            {
+                parentArray: ["test1", "test2", "test3", "test4"],
+                subsetArray: ["test2", "test4"],
+                expected: true
+            }
+        ];
+
+        testCases.forEach(test => {
+            it(`[${test.subsetArray.join(", ")}] should be a subset of [${test.parentArray.join(", ")}] which is ${test.expected}`, () => {
+                const actual = isSubset(test.parentArray, test.subsetArray);
+                expect(actual).toEqual(test.expected);
+            });
+        });
+    });
+});