diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c889216..521b646 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,3 +22,16 @@ jobs:
       - run: npm ci
       - run: npm run build
       - run: npm run lint
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+      - run: npm ci
+      - run: npm run build
+      - run: npm run test
diff --git a/backend/package.json b/backend/package.json
index 2103b19..b4a2823 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -20,7 +20,8 @@
   },
   "scripts": {
     "build": "node -e \"fs.rmSync('./dist',{force:true,recursive:true})\" && tsc",
-    "lint": "tsc --noEmit -p tsconfig.lint.json && eslint --ignore-path .gitignore ."
+    "lint": "tsc --noEmit -p tsconfig.lint.json && eslint --ignore-path .gitignore .",
+    "test": "mocha --require tsx --recursive \"test/**/*.ts\""
   },
   "dependencies": {
     "pino-pretty": "11.2.1",
diff --git a/backend/test/util/mutex.test.ts b/backend/test/util/mutex.test.ts
new file mode 100644
index 0000000..e6c4a07
--- /dev/null
+++ b/backend/test/util/mutex.test.ts
@@ -0,0 +1,40 @@
+import { Mutex } from '../../src/util/mutex.js'
+import assert from 'node:assert'
+
+describe('util/mutex.ts', () => {
+  describe('Mutex', () => {
+    it('serializes access to a critical section', async () => {
+      let locked = false
+      const mutex = new Mutex()
+      const unlock = await mutex.lock()
+      locked = true
+      setTimeout(() => {
+        unlock()
+        locked = false
+      }, 100)
+      const unlock2 = await mutex.lock()
+      assert.strictEqual(locked, false)
+      unlock2()
+    })
+
+    it('resolves in the order of lock calls', async () => {
+      const mutex = new Mutex()
+      let order = ''
+      const promises: Array<Promise<any>> = []
+      promises.push(mutex.lock().then((unlock) => {
+        order += '1'
+        setTimeout(unlock, 50)
+      }))
+      promises.push(mutex.lock().then((unlock) => {
+        order += '2'
+        setTimeout(unlock, 50)
+      }))
+      promises.push(mutex.lock().then((unlock) => {
+        order += '3'
+        setTimeout(unlock, 50)
+      }))
+      await Promise.all(promises)
+      assert.strictEqual(order, '123')
+    })
+  })
+})
diff --git a/package-lock.json b/package-lock.json
index e5a66fd..d8a3b05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,6 +31,7 @@
       },
       "devDependencies": {
         "@meyfa/eslint-config": "6.0.0",
+        "@types/mocha": "10.0.7",
         "@types/ms": "0.7.34",
         "@types/node": "20.14.10",
         "@types/passport-local": "1.0.38",
@@ -38,6 +39,8 @@
         "eslint-plugin-jsx-a11y": "6.9.0",
         "eslint-plugin-react": "7.34.3",
         "eslint-plugin-react-hooks": "4.6.2",
+        "mocha": "10.6.0",
+        "tsx": "4.16.2",
         "typescript": "5.5.3"
       },
       "engines": {
@@ -469,6 +472,32 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@cspotcode/source-map-support": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
+      "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "@jridgewell/trace-mapping": "0.3.9"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@cspotcode/source-map-support/node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
+      "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "@jridgewell/resolve-uri": "^3.0.3",
+        "@jridgewell/sourcemap-codec": "^1.4.10"
+      }
+    },
     "node_modules/@emnapi/runtime": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.2.0.tgz",
@@ -2243,6 +2272,38 @@
         "url": "https://github.com/sponsors/tannerlinsley"
       }
     },
+    "node_modules/@tsconfig/node10": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
+      "integrity": "sha512-DcRjDCujK/kCk/cUe8Xz8ZSpm8mS3mNNpta+jGCA6USEDfktlNvm1+IuZ9eTcDbNk41BHwpHHeW+N1lKCz4zOw==",
+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
+    "node_modules/@tsconfig/node12": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz",
+      "integrity": "sha512-cqefuRsh12pWyGsIoBKJA9luFu3mRxCA+ORZvA4ktLSzIuCUtWVxGIuXigEwO5/ywWFMZ2QEGKWvkZG1zDMTag==",
+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
+    "node_modules/@tsconfig/node14": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz",
+      "integrity": "sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==",
+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
+    "node_modules/@tsconfig/node16": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz",
+      "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -2383,6 +2444,12 @@
       "integrity": "sha512-/pyBZWSLD2n0dcHE3hq8s8ZvcETHtEuF+3E7XVt0Ig2nvsVQXdghHVcEkIWjy9A0wKfTn97a/PSDYohKIlnP/w==",
       "dev": true
     },
+    "node_modules/@types/mocha": {
+      "version": "10.0.7",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.7.tgz",
+      "integrity": "sha512-GN8yJ1mNTcFcah/wKEFIJckJx9iJLoMSzWcfRRuxz/Jk+U6KQNnml+etbtxFK8lPjzOw3zp4Ha/kjSst9fsHYw==",
+      "dev": true
+    },
     "node_modules/@types/ms": {
       "version": "0.7.34",
       "resolved": "https://registry.npmjs.org/@types/ms/-/ms-0.7.34.tgz",
@@ -2783,6 +2850,20 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
+    "node_modules/acorn-walk": {
+      "version": "8.3.3",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.3.tgz",
+      "integrity": "sha512-MxXdReSRhGO7VlFe1bRG/oI7/mdLV9B9JJT0N8vZOhF7gFRR5l3M8W9G8JxmKV+JC5mGqJ0QvqfSOLsCPa4nUw==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "acorn": "^8.11.0"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/ajv": {
       "version": "8.16.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.16.0.tgz",
@@ -2814,6 +2895,15 @@
         }
       }
     },
+    "node_modules/ansi-colors": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.3.tgz",
+      "integrity": "sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.0.1.tgz",
@@ -3250,6 +3340,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/browser-stdout": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
+      "dev": true
+    },
     "node_modules/browserslist": {
       "version": "4.23.1",
       "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.1.tgz",
@@ -3362,6 +3458,18 @@
         "node": ">=6"
       }
     },
+    "node_modules/camelcase": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz",
+      "integrity": "sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/camelcase-css": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/camelcase-css/-/camelcase-css-2.0.1.tgz",
@@ -3646,6 +3754,14 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha512-3lqz5YjWTYnW6dlDa5TLaTCcShfar1e40rmcJVwCBJC6mWlFuj0eCHIElmG1g5kyuJ/GD+8Wn4FFCcz4gJPfaQ=="
     },
+    "node_modules/create-require": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
+      "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
     "node_modules/cron-parser": {
       "version": "4.9.0",
       "resolved": "https://registry.npmjs.org/cron-parser/-/cron-parser-4.9.0.tgz",
@@ -3795,6 +3911,18 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
+    "node_modules/decamelize": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-4.0.0.tgz",
+      "integrity": "sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/deep-equal": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-2.2.3.tgz",
@@ -3906,6 +4034,15 @@
       "integrity": "sha512-gxtyfqMg7GKyhQmb056K7M3xszy/myH8w+B4RT+QXBQsvAOdc3XymqDDPHx1BgPgsdAA5SIifona89YtRATDzw==",
       "dev": true
     },
+    "node_modules/diff": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
+      "integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "node_modules/dir-glob": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
@@ -5494,6 +5631,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/flat": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
+      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==",
+      "dev": true,
+      "bin": {
+        "flat": "cli.js"
+      }
+    },
     "node_modules/flat-cache": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-3.2.0.tgz",
@@ -5708,6 +5854,15 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/get-caller-file": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+      "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
+      "dev": true,
+      "engines": {
+        "node": "6.* || 8.* || >= 10.*"
+      }
+    },
     "node_modules/get-intrinsic": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.4.tgz",
@@ -5983,6 +6138,15 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/he": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
+      "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==",
+      "dev": true,
+      "bin": {
+        "he": "bin/he"
+      }
+    },
     "node_modules/help-me": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/help-me/-/help-me-5.0.0.tgz",
@@ -6401,6 +6565,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/is-plain-obj": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
+      "integrity": "sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/is-regex": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.4.tgz",
@@ -6494,6 +6667,18 @@
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
       "integrity": "sha512-cyA56iCMHAh5CdzjJIa4aohJyeO1YbwLi3Jc35MmRU6poroFjIGZzUzupGiRPOjgHg9TLu43xbpwXk523fMxKA=="
     },
+    "node_modules/is-unicode-supported": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-0.1.0.tgz",
+      "integrity": "sha512-knxG2q4UC3u8stRGyAVJCOdxFmv5DZiRcdlIaAQXAbSfJya+OhopNotLQrstBhququ4ZpuKbDc/8S6mgXgPFPw==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-weakmap": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/is-weakmap/-/is-weakmap-2.0.2.tgz",
@@ -6835,6 +7020,74 @@
       "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
       "dev": true
     },
+    "node_modules/log-symbols": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-4.1.0.tgz",
+      "integrity": "sha512-8XPvpAA8uyhfteu8pIvQxpJZ7SYYdpUivZpGy6sFsBuKRY/7rQGavedeB8aK+Zkyq6upMFVL/9AW6vOYzfRyLg==",
+      "dev": true,
+      "dependencies": {
+        "chalk": "^4.1.0",
+        "is-unicode-supported": "^0.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/log-symbols/node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "dev": true,
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/log-symbols/node_modules/chalk": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
+      "dev": true,
+      "dependencies": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    },
+    "node_modules/log-symbols/node_modules/has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/log-symbols/node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/loose-envify": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
@@ -6865,6 +7118,14 @@
         "node": ">=12"
       }
     },
+    "node_modules/make-error": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
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+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/supports-color?sponsor=1"
+      }
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+        "string-width": "^4.1.0",
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+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
+    "node_modules/mocha/node_modules/yargs": {
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+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "cliui": "^7.0.2",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.0",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^20.2.2"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/mocha/node_modules/yargs-parser": {
+      "version": "20.2.9",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
+      "integrity": "sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==",
+      "dev": true,
+      "engines": {
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+      }
+    },
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       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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     },
+    "node_modules/randombytes": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
+      "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
+      "dev": true,
+      "dependencies": {
+        "safe-buffer": "^5.1.0"
+      }
+    },
     "node_modules/react": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
@@ -8158,6 +8642,15 @@
         "node": ">= 0.12"
       }
     },
+    "node_modules/require-directory": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
+      "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==",
+      "dev": true,
+      "engines": {
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+      }
+    },
     "node_modules/require-from-string": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
@@ -8408,6 +8901,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/serialize-javascript": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.2.tgz",
+      "integrity": "sha512-Saa1xPByTTq2gdeFZYLLo+RFE35NHZkAbqZeWNd3BpzppeVisAqpDjcp8dyf6uIvEqJRd46jemmyA4iFIeVk8g==",
+      "dev": true,
+      "dependencies": {
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+      }
+    },
     "node_modules/set-cookie-parser": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.6.0.tgz",
@@ -9139,6 +9641,70 @@
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       "dev": true
     },
+    "node_modules/ts-node": {
+      "version": "10.9.2",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
+      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "@cspotcode/source-map-support": "^0.8.0",
+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "v8-compile-cache-lib": "^3.0.1",
+        "yn": "3.1.1"
+      },
+      "bin": {
+        "ts-node": "dist/bin.js",
+        "ts-node-cwd": "dist/bin-cwd.js",
+        "ts-node-esm": "dist/bin-esm.js",
+        "ts-node-script": "dist/bin-script.js",
+        "ts-node-transpile-only": "dist/bin-transpile.js",
+        "ts-script": "dist/bin-script-deprecated.js"
+      },
+      "peerDependencies": {
+        "@swc/core": ">=1.2.50",
+        "@swc/wasm": ">=1.2.50",
+        "@types/node": "*",
+        "typescript": ">=2.7"
+      },
+      "peerDependenciesMeta": {
+        "@swc/core": {
+          "optional": true
+        },
+        "@swc/wasm": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/ts-node/node_modules/arg": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
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+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
+    "node_modules/ts-node/node_modules/diff": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "engines": {
+        "node": ">=0.3.1"
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       "resolved": "https://registry.npmjs.org/tsconfig-paths/-/tsconfig-paths-3.15.0.tgz",
@@ -9189,6 +9755,25 @@
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       "dev": true
     },
+    "node_modules/tsx": {
+      "version": "4.16.2",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.16.2.tgz",
+      "integrity": "sha512-C1uWweJDgdtX2x600HjaFaucXTilT7tgUZHbOE4+ypskZ1OP8CRCSDkCxG6Vya9EwaFIVagWwpaVAn5wzypaqQ==",
+      "dev": true,
+      "dependencies": {
+        "esbuild": "~0.21.5",
+        "get-tsconfig": "^4.7.5"
+      },
+      "bin": {
+        "tsx": "dist/cli.mjs"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.3"
+      }
+    },
     "node_modules/tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -9385,6 +9970,14 @@
         "uuid": "bin/uuid"
       }
     },
+    "node_modules/v8-compile-cache-lib": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
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+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
     "node_modules/validate-npm-package-license": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
@@ -9584,6 +10177,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/workerpool": {
+      "version": "6.5.1",
+      "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.5.1.tgz",
+      "integrity": "sha512-Fs4dNYcsdpYSAfVxhnl1L5zTksjvOJxtC5hzMNl+1t9B8hTJTdKDyZ5ju7ztgPy+ft9tBFXoOlDNiOT9WUXZlA==",
+      "dev": true
+    },
     "node_modules/wrap-ansi": {
       "version": "8.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
@@ -9715,6 +10314,15 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
@@ -9731,6 +10339,32 @@
         "node": ">= 14"
       }
     },
+    "node_modules/yargs-unparser": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-2.0.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "camelcase": "^6.0.0",
+        "decamelize": "^4.0.0",
+        "flat": "^5.0.2",
+        "is-plain-obj": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=10"
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+    },
+    "node_modules/yn": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
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+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "engines": {
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       "version": "0.1.0",
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diff --git a/package.json b/package.json
index 1f29ecf..def5ab0 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
   "scripts": {
     "build": "npm run build --workspaces && node -e \"fs.rmSync('./dist',{force:true,recursive:true})\" && tsc",
     "lint": "npm run lint --workspaces && tsc --noEmit -p tsconfig.lint.json && eslint --ignore-path .gitignore src",
+    "test": "npm run test --workspaces --if-present && mocha --require tsx --recursive \"test/**/*.ts\"",
     "start": "node --disable-proto=delete dist/server.js"
   },
   "repository": {
@@ -30,6 +31,7 @@
   },
   "devDependencies": {
     "@meyfa/eslint-config": "6.0.0",
+    "@types/mocha": "10.0.7",
     "@types/ms": "0.7.34",
     "@types/node": "20.14.10",
     "@types/passport-local": "1.0.38",
@@ -37,6 +39,8 @@
     "eslint-plugin-jsx-a11y": "6.9.0",
     "eslint-plugin-react": "7.34.3",
     "eslint-plugin-react-hooks": "4.6.2",
+    "mocha": "10.6.0",
+    "tsx": "4.16.2",
     "typescript": "5.5.3"
   },
   "dependencies": {
diff --git a/test/config.test.ts b/test/config.test.ts
new file mode 100644
index 0000000..63975f4
--- /dev/null
+++ b/test/config.test.ts
@@ -0,0 +1,10 @@
+import { createConfig } from '../src/config.js'
+import assert from 'node:assert'
+
+describe('config.ts', () => {
+  describe('createConfig()', () => {
+    it('creates a valid config object', () => {
+      assert.doesNotThrow(() => createConfig())
+    })
+  })
+})