fix errors

Common/Types/Email.ts

@@ -21,7 +21,7 @@ export default class Email extends DatabaseProperty {
         this.email = email;
     }
 
-    public toString(): string {
+    public override toString(): string {
         return this.email;
     }
 }

CommonServer/Tests/Services/ProbeService.test.ts

@@ -0,0 +1,3 @@
+describe('Slug.getSlug()', () => {
+
+});

CommonServer/jest.config.json

@@ -0,0 +1,26 @@
+{
+    "preset": "ts-jest",
+    "verbose": true,
+    "globals": {
+        "ts-jest": {
+            "tsconfig": "tsconfig.json",
+            "babelConfig": false
+        }
+    },
+    "moduleFileExtensions": ["ts", "js", "json"],
+    "transform": {
+        ".(ts|tsx)": "ts-jest"
+    },
+    "testEnvironment": "node",
+    "collectCoverage": true,
+    "coverageReporters": ["text"],
+    "collectCoverageFrom": ["./**/*.(tsx||ts)"],
+    "coverageThreshold": {
+        "global": {
+            "lines": 0,
+            "functions": 0,
+            "branches": 0,
+            "statements": 0
+        }
+    }
+}

CommonServer/package.json

@@ -5,7 +5,7 @@
     "main": "index.ts",
     "scripts": {
         "compile": "tsc",
-        "test": "echo \"Error: no test specified\" && exit 1"
+        "test": "jest"
     },
     "author": "",
     "license": "MIT",
@@ -32,7 +32,10 @@
     "devDependencies": {
         "@types/cors": "^2.8.12",
         "@types/express": "^4.17.13",
+        "@types/jest": "^27.4.1",
         "@types/jsonwebtoken": "^8.5.8",
-        "@types/node": "^17.0.22"
+        "@types/node": "^17.0.22",
+        "jest": "^27.5.1",
+        "ts-jest": "^27.1.4"
     }
 }

CommonServer/tsconfig.json

@@ -33,7 +33,7 @@
         "typeRoots": [
          
         ], /* Specify multiple folders that act like `./node_modules/@types`. */
-        "types": ["node"],                                      /* Specify type package names to be included without being referenced in a source file. */
+        "types": ["node", "jest"],                                      /* Specify type package names to be included without being referenced in a source file. */
         // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
         // "resolveJsonModule": true,                        /* Enable importing .json files */
         // "noResolve": true,                                /* Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project. */