diff --git a/backend/package-lock.json b/backend/package-lock.json
index 82bb9da..afc8224 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -12,6 +12,7 @@
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         "bcrypt": "^5.1.1",
         "body-parser": "^1.20.2",
+        "chai": "^5.1.0",
         "cors": "^2.8.5",
         "dotenv": "^16.1.4",
         "express": "^4.18.2",
@@ -22,10 +23,14 @@
         "toastr": "^2.1.4"
       },
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         "@types/express": "^4.17.21",
         "@types/jsonwebtoken": "^9.0.5",
+        "@types/mocha": "^10.0.6",
         "@types/node": "^20.10.7",
         "@types/toastr": "^2.1.43",
+        "esm": "^3.2.25",
+        "mocha": "^10.3.0",
         "ts-node": "^10.9.2",
         "typescript": "^5.3.3"
       }
@@ -141,6 +146,12 @@
         "@types/node": "*"
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+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.11.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -217,6 +228,12 @@
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       "dev": true
     },
+    "node_modules/@types/mocha": {
+      "version": "10.0.6",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.6.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.17.tgz",
@@ -356,6 +373,15 @@
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+    "node_modules/ansi-colors": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
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       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -364,6 +390,21 @@
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+    "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"
+      }
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@@ -399,11 +440,25 @@
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       "dev": true
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+    "node_modules/argparse": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+      "dev": true
+    },
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+    "node_modules/assertion-error": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
+      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
+      "engines": {
+        "node": ">=12"
+      }
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@@ -481,6 +536,12 @@
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+      "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
+    },
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@@ -519,6 +580,78 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "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/chai": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-5.1.0.tgz",
+      "integrity": "sha512-kDZ7MZyM6Q1DhR9jy7dalKohXQ2yrlXkk59CR52aRKxJrobmlBNqnFQxX9xOX8w+4mz8SYlKJa/7D7ddltFXCw==",
+      "dependencies": {
+        "assertion-error": "^2.0.1",
+        "check-error": "^2.0.0",
+        "deep-eql": "^5.0.1",
+        "loupe": "^3.1.0",
+        "pathval": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "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"
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+    "node_modules/chalk/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/chalk/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/check-error": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.0.0.tgz",
+      "integrity": "sha512-tjLAOBHKVxtPoHe/SA7kNOMvhCRdCJ3vETdeY0RuAc9popf+hyaSV6ZEg9hr4cpWF7jmo/JSWEnLDrnijS9Tog==",
+      "engines": {
+        "node": ">= 16"
+      }
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     "node_modules/chokidar": {
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       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz",
@@ -550,6 +683,35 @@
         "node": ">=10"
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+    "node_modules/cliui": {
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+      "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
+      "dev": true,
+      "dependencies": {
+        "string-width": "^4.2.0",
+        "strip-ansi": "^6.0.0",
+        "wrap-ansi": "^7.0.0"
+      }
+    },
+    "node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dev": true,
+      "dependencies": {
+        "color-name": "~1.1.4"
+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
+    "node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+      "dev": true
+    },
     "node_modules/color-support": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
@@ -626,6 +788,26 @@
         "ms": "2.0.0"
       }
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+    "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-eql": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.1.tgz",
+      "integrity": "sha512-nwQCf6ne2gez3o1MxWifqkciwt0zhl0LO1/UwVu4uMBuPmflWM4oQ70XMqHqnBJA+nhzncaqL9HVL6KkHJ28lw==",
+      "engines": {
+        "node": ">=6"
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@@ -781,11 +963,29 @@
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+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.2.tgz",
+      "integrity": "sha512-ErCHMCae19vR8vQGe50xIsVomy19rg6gFu3+r3jkEO46suLMWBksvVyoGgQV+jOfl84ZSOSlmv6Gxa89PmTGmA==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
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     "node_modules/escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
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     },
+    "node_modules/esm": {
+      "version": "3.2.25",
+      "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
+      "integrity": "sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
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       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -900,6 +1100,31 @@
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+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
+      "integrity": "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==",
+      "dev": true,
+      "dependencies": {
+        "locate-path": "^6.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "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/forwarded": {
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       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -983,6 +1208,23 @@
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+      "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-func-name": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
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+      "engines": {
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@@ -1099,6 +1341,15 @@
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+      "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
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+      "dev": true,
+      "bin": {
+        "he": "bin/he"
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@@ -1231,11 +1482,44 @@
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+      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
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+      "dev": true,
+      "engines": {
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+    "node_modules/is-unicode-supported": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-0.1.0.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
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+      "dev": true,
+      "dependencies": {
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+      },
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+        "js-yaml": "bin/js-yaml.js"
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@@ -1289,6 +1573,21 @@
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+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
+      "integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -1324,6 +1623,30 @@
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+    "node_modules/log-symbols": {
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+          "dev": true,
+          "requires": {
+            "anymatch": "~3.1.2",
+            "braces": "~3.0.2",
+            "fsevents": "~2.3.2",
+            "glob-parent": "~5.1.2",
+            "is-binary-path": "~2.1.0",
+            "is-glob": "~4.0.1",
+            "normalize-path": "~3.0.0",
+            "readdirp": "~3.6.0"
+          }
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+          "dev": true,
+          "requires": {
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+          },
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+            "ms": {
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+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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+              "dev": true
+            }
+          }
+        },
+        "diff": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
+          "integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
+          "dev": true
+        },
+        "escape-string-regexp": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+          "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
+          "dev": true
+        },
+        "glob": {
+          "version": "8.1.0",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-8.1.0.tgz",
+          "integrity": "sha512-r8hpEjiQEYlF2QU0df3dS+nxxSIreXQS1qRhMJM0Q5NDdR386C7jb7Hwwod8Fgiuex+k0GFjgft18yvxm5XoCQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^5.0.1",
+            "once": "^1.3.0"
+          }
+        },
+        "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
+        },
+        "minimatch": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.0.1.tgz",
+          "integrity": "sha512-nLDxIFRyhDblz3qMuq+SoRZED4+miJ/G+tdDrjkkkRnjAsBexeGpgjLEQ0blJy7rHhR2b93rhQY4SvyWu9v03g==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^2.0.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "8.1.1",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
+          "integrity": "sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        }
+      }
+    },
     "mongodb": {
       "version": "6.3.0",
       "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-6.3.0.tgz",
@@ -3776,11 +4798,35 @@
         "wrappy": "1"
       }
     },
+    "p-limit": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
+      "integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+      "dev": true,
+      "requires": {
+        "yocto-queue": "^0.1.0"
+      }
+    },
+    "p-locate": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
+      "integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+      "dev": true,
+      "requires": {
+        "p-limit": "^3.0.2"
+      }
+    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
       "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
+    "path-exists": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
+      "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -3791,6 +4837,11 @@
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
     },
+    "pathval": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
+      "integrity": "sha512-vE7JKRyES09KiunauX7nd2Q9/L7lhok4smP9RZTDeD4MVs72Dp2qNFVz39Nz5a0FVEW0BJR6C0DYrq6unoziZA=="
+    },
     "picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -3823,6 +4874,15 @@
         "side-channel": "^1.0.4"
       }
     },
+    "randombytes": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
+      "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "^5.1.0"
+      }
+    },
     "range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -3857,6 +4917,12 @@
         "picomatch": "^2.2.1"
       }
     },
+    "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
+    },
     "rimraf": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
@@ -3910,6 +4976,15 @@
         }
       }
     },
+    "serialize-javascript": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.0.tgz",
+      "integrity": "sha512-Qr3TosvguFt8ePWqsvRfrKyQXIiW+nGbYpy8XK24NQHE83caxWt+mIymTT19DGFbNWNLfEwsrkSmN64lVWB9ag==",
+      "dev": true,
+      "requires": {
+        "randombytes": "^2.1.0"
+      }
+    },
     "serve-static": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
@@ -4073,6 +5148,12 @@
         "ansi-regex": "^5.0.1"
       }
     },
+    "strip-json-comments": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
+      "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==",
+      "dev": true
+    },
     "supports-color": {
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -4235,6 +5316,23 @@
         "string-width": "^1.0.2 || 2 || 3 || 4"
       }
     },
+    "workerpool": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.2.1.tgz",
+      "integrity": "sha512-ILEIE97kDZvF9Wb9f6h5aXK4swSlKGUcOEGiIYb2OOu/IrDU9iwj0fD//SsA6E5ibwJxpEvhullJY4Sl4GcpAw==",
+      "dev": true
+    },
+    "wrap-ansi": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -4246,16 +5344,61 @@
       "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==",
       "requires": {}
     },
+    "y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true
+    },
     "yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
+    "yargs": {
+      "version": "16.2.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
+      "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
+      "dev": true,
+      "requires": {
+        "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"
+      }
+    },
+    "yargs-parser": {
+      "version": "20.2.4",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
+      "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
+      "dev": true
+    },
+    "yargs-unparser": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-2.0.0.tgz",
+      "integrity": "sha512-7pRTIA9Qc1caZ0bZ6RYRGbHJthJWuakf+WmHK0rVeLkNrrGhfoabBNdue6kdINI6r4if7ocq9aD/n7xwKOdzOA==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^6.0.0",
+        "decamelize": "^4.0.0",
+        "flat": "^5.0.2",
+        "is-plain-obj": "^2.1.0"
+      }
+    },
     "yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
       "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
       "dev": true
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index c67483d..c4c1f27 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -6,9 +6,10 @@
   "type": "module",
   "scripts": {
     "start": "nodemon",
-    "start:prod": "tsc && cp -r src/cert dist/cert && node dist/index.js",
+    "start:prod": "tsc && node dist/index.js",
     "build": "tsc",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "pretest": "tsc",
+    "test": "mocha 'dist/**/*.test.js'"
   },
   "author": "",
   "license": "ISC",
@@ -16,6 +17,7 @@
     "@types/bcrypt": "^5.0.2",
     "bcrypt": "^5.1.1",
     "body-parser": "^1.20.2",
+    "chai": "^5.1.0",
     "cors": "^2.8.5",
     "dotenv": "^16.1.4",
     "express": "^4.18.2",
@@ -26,10 +28,14 @@
     "toastr": "^2.1.4"
   },
   "devDependencies": {
+    "@types/chai": "^4.3.11",
     "@types/express": "^4.17.21",
     "@types/jsonwebtoken": "^9.0.5",
+    "@types/mocha": "^10.0.6",
     "@types/node": "^20.10.7",
     "@types/toastr": "^2.1.43",
+    "esm": "^3.2.25",
+    "mocha": "^10.3.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.3.3"
   }
diff --git a/backend/src/tests/socket.test.ts b/backend/src/tests/socket.test.ts
new file mode 100644
index 0000000..3f2cdd7
--- /dev/null
+++ b/backend/src/tests/socket.test.ts
@@ -0,0 +1,32 @@
+import { expect } from "chai";
+import { Message } from "../models/messages";
+
+describe("Socket Routes", () => {
+  describe("Message", () => {
+    it("should create a new message object", () => {
+      const data = {
+        text: "Hello, world!",
+        name: "John Doe",
+        id: "123",
+        socketId: "abc",
+        roomId: "456",
+        image: "image.jpg",
+        userId: "789",
+        date: new Date(),
+        systemMessage: false,
+      };
+
+      const message = new Message(data);
+
+      expect(message.text).to.equal(data.text);
+      expect(message.name).to.equal(data.name);
+      expect(message.id).to.equal(data.id);
+      expect(message.socketId).to.equal(data.socketId);
+      expect(message.roomId).to.equal(data.roomId);
+      expect(message.image).to.equal(data.image);
+      expect(message.userId).to.equal(data.userId);
+      expect(message.date).to.equal(data.date);
+      expect(message.systemMessage).to.equal(data.systemMessage);
+    });
+  });
+});
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 4f26385..3b3f592 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -3,7 +3,7 @@
   "compilerOptions": {
     "target": "es2020",
     "lib": ["es2020"],
-    "types": ["node"],
+    "types": ["node", "mocha"],
     "module": "ESNext",
     "moduleResolution": "node",
     "esModuleInterop": true,
diff --git a/playbook.yml b/playbook.yml
index a72c2d5..25ef027 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -142,10 +142,10 @@
         dest: /var/deployment/backend/src/cert/kuramacert.pem
         content: "{{ kuramacert }}"
 
-    - name: kurakey
+    - name: kuramakey
       copy:
-        dest: /var/deployment/backend/src/cert/kurakey.pem
-        content: "{{ kurakey }}"
+        dest: /var/deployment/backend/src/cert/kurama.key
+        content: "{{ kuramakey }}"
 
     - name: Set correct permissions for acme.json
       file: