diff --git a/Server/controllers/inviteController.js b/Server/controllers/inviteController.js
index 56d6b08f6..b22f9b2cc 100644
--- a/Server/controllers/inviteController.js
+++ b/Server/controllers/inviteController.js
@@ -8,17 +8,7 @@ require("dotenv").config();
 const jwt = require("jsonwebtoken");
 const { handleError, handleValidationError } = require("./controllerUtils");
 const SERVICE_NAME = "inviteController";
-
-const getTokenFromHeaders = (headers) => {
-  const authorizationHeader = headers.authorization;
-  if (!authorizationHeader) throw new Error("No auth headers");
-
-  const parts = authorizationHeader.split(" ");
-  if (parts.length !== 2 || parts[0] !== "Bearer")
-    throw new Error("Invalid auth headers");
-
-  return parts[1];
-};
+const { getTokenFromHeaders } = require("../utils/utils");
 
 /**
  * Issues an invitation to a new user. Only admins can invite new users. An invitation token is created and sent via email.
@@ -93,6 +83,6 @@ const inviteVerifyController = async (req, res, next) => {
 };
 
 module.exports = {
-  inviteController: issueInvitation,
+  issueInvitation,
   inviteVerifyController,
 };
diff --git a/Server/routes/inviteRoute.js b/Server/routes/inviteRoute.js
index 17744bf82..93e77e068 100644
--- a/Server/routes/inviteRoute.js
+++ b/Server/routes/inviteRoute.js
@@ -3,7 +3,7 @@ const { verifyJWT } = require("../middleware/verifyJWT");
 const { isAllowed } = require("../middleware/isAllowed");
 
 const {
-  inviteController,
+  issueInvitation,
   inviteVerifyController,
 } = require("../controllers/inviteController");
 
@@ -11,8 +11,8 @@ router.post(
   "/",
   isAllowed(["admin", "superadmin"]),
   verifyJWT,
-  inviteController
+  issueInvitation
 );
-router.post("/verify", inviteVerifyController);
+router.post("/verify", issueInvitation);
 
 module.exports = router;
diff --git a/Server/tests/controllers/inviteController.test.js b/Server/tests/controllers/inviteController.test.js
new file mode 100644
index 000000000..31085c40f
--- /dev/null
+++ b/Server/tests/controllers/inviteController.test.js
@@ -0,0 +1,202 @@
+const {
+  issueInvitation,
+  inviteVerifyController,
+} = require("../../controllers/inviteController");
+const jwt = require("jsonwebtoken");
+const { errorMessages, successMessages } = require("../../utils/messages");
+const sinon = require("sinon");
+const joi = require("joi");
+describe("inviteController - issueInvitation", () => {
+  beforeEach(() => {
+    req = {
+      headers: { authorization: "Bearer token" },
+      body: {
+        email: "test@test.com",
+        role: ["admin"],
+        teamId: "123",
+      },
+      db: { requestInviteToken: sinon.stub() },
+      settingsService: { getSettings: sinon.stub() },
+      emailService: { buildAndSendEmail: sinon.stub() },
+    };
+    res = {
+      status: sinon.stub().returnsThis(),
+      json: sinon.stub(),
+    };
+    next = sinon.stub();
+  });
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  it("should reject with an error if role validation fails", async () => {
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return { role: ["bad_role"], firstname: "first_name", teamId: "1" };
+    });
+    await issueInvitation(req, res, next);
+    expect(next.firstCall.args[0]).to.be.an("error");
+    expect(next.firstCall.args[0]).to.be.instanceOf(joi.ValidationError);
+    expect(next.firstCall.args[0].status).to.equal(422);
+    stub.restore();
+  });
+
+  it("should reject with an error if body validation fails", async () => {
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return { role: ["admin"], firstname: "first_name", teamId: "1" };
+    });
+    req.body = {};
+    await issueInvitation(req, res, next);
+    expect(next.firstCall.args[0]).to.be.an("error");
+    expect(next.firstCall.args[0].status).to.equal(422);
+    stub.restore();
+  });
+
+  it("should reject with an error if DB operations fail", async () => {
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return { role: ["admin"], firstname: "first_name", teamId: "1" };
+    });
+    req.db.requestInviteToken.throws(new Error("DB error"));
+    await issueInvitation(req, res, next);
+    expect(next.firstCall.args[0]).to.be.an("error");
+    expect(next.firstCall.args[0].message).to.equal("DB error");
+    stub.restore();
+  });
+
+  it("should send an invite successfully", async () => {
+    const token = "token";
+    const decodedToken = {
+      role: "admin",
+      firstname: "John",
+      teamId: "team123",
+    };
+    const inviteToken = { token: "inviteToken" };
+    const clientHost = "http://localhost";
+
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return decodedToken;
+    });
+    req.db.requestInviteToken.resolves(inviteToken);
+    req.settingsService.getSettings.returns({ clientHost });
+    req.emailService.buildAndSendEmail.resolves();
+    await issueInvitation(req, res, next);
+    expect(res.status.calledWith(200)).to.be.true;
+    expect(
+      res.json.calledWith({
+        success: true,
+        msg: "Invite sent",
+        data: inviteToken,
+      })
+    ).to.be.true;
+    stub.restore();
+  });
+
+  it("should send an email successfully", async () => {
+    const token = "token";
+    const decodedToken = {
+      role: "admin",
+      firstname: "John",
+      teamId: "team123",
+    };
+    const inviteToken = { token: "inviteToken" };
+    const clientHost = "http://localhost";
+
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return decodedToken;
+    });
+    req.db.requestInviteToken.resolves(inviteToken);
+    req.settingsService.getSettings.returns({ clientHost });
+    req.emailService.buildAndSendEmail.resolves();
+
+    await issueInvitation(req, res, next);
+    expect(req.emailService.buildAndSendEmail.calledOnce).to.be.true;
+    expect(
+      req.emailService.buildAndSendEmail.calledWith(
+        "employeeActivationTemplate",
+        {
+          name: "John",
+          link: "http://localhost/register/inviteToken",
+        },
+        "test@test.com",
+        "Welcome to Uptime Monitor"
+      )
+    ).to.be.true;
+    stub.restore();
+  });
+
+  it("should continue executing if sending an email fails", async () => {
+    const token = "token";
+    req.emailService.buildAndSendEmail.rejects(new Error("Email error"));
+    const decodedToken = {
+      role: "admin",
+      firstname: "John",
+      teamId: "team123",
+    };
+    const inviteToken = { token: "inviteToken" };
+    const clientHost = "http://localhost";
+
+    stub = sinon.stub(jwt, "decode").callsFake(() => {
+      return decodedToken;
+    });
+    req.db.requestInviteToken.resolves(inviteToken);
+    req.settingsService.getSettings.returns({ clientHost });
+    await issueInvitation(req, res, next);
+    expect(res.status.calledWith(200)).to.be.true;
+    expect(
+      res.json.calledWith({
+        success: true,
+        msg: "Invite sent",
+        data: inviteToken,
+      })
+    ).to.be.true;
+    stub.restore();
+  });
+});
+
+describe("inviteController - inviteVerifyController", () => {
+  beforeEach(() => {
+    req = {
+      body: { token: "token" },
+      db: {
+        getInviteToken: sinon.stub(),
+      },
+    };
+    res = {
+      status: sinon.stub().returnsThis(),
+      json: sinon.stub(),
+    };
+    next = sinon.stub();
+  });
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  it("should reject with an error if body validation fails", async () => {
+    req.body = {};
+    await inviteVerifyController(req, res, next);
+    expect(next.firstCall.args[0]).to.be.an("error");
+    expect(next.firstCall.args[0].status).to.equal(422);
+  });
+
+  it("should reject with an error if DB operations fail", async () => {
+    req.db.getInviteToken.throws(new Error("DB error"));
+    await inviteVerifyController(req, res, next);
+    expect(next.firstCall.args[0]).to.be.an("error");
+    expect(next.firstCall.args[0].message).to.equal("DB error");
+  });
+
+  it("should return 200 and invite data when validation and invite retrieval are successful", async () => {
+    req.db.getInviteToken.resolves({ invite: "data" });
+    await inviteVerifyController(req, res, next);
+    expect(res.status.calledWith(200)).to.be.true;
+    expect(
+      res.json.calledWith({
+        status: "success",
+        msg: "Invite verified",
+        data: { invite: "data" },
+      })
+    ).to.be.true;
+    expect(next.called).to.be.false;
+  });
+});
diff --git a/Server/validation/joi.js b/Server/validation/joi.js
index 3133da80a..9e36c2135 100644
--- a/Server/validation/joi.js
+++ b/Server/validation/joi.js
@@ -10,8 +10,8 @@ const { start } = require("repl");
 const roleValidatior = (role) => (value, helpers) => {
   const hasRole = role.some((role) => value.includes(role));
   if (!hasRole) {
-    throw new Joi.ValidationError(
-      `You do not have the required authorization. Required roles: ${roles.join(", ")}`
+    throw new joi.ValidationError(
+      `You do not have the required authorization. Required roles: ${role.join(", ")}`
     );
   }
   return value;