diff --git a/components/organisms/Wallet/Balance.test.js b/components/organisms/Wallet/Balance.test.js
new file mode 100644
index 00000000..36710f88
--- /dev/null
+++ b/components/organisms/Wallet/Balance.test.js
@@ -0,0 +1,71 @@
+import '@testing-library/jest-dom';
+import { render, screen } from "@testing-library/react";
+import WalletBalance from "./Balance";
+import { SessionProvider } from "next-auth/react";
+
+describe("WalletBalance", () => {
+    test("renders loading message when data is loading", () => {
+        render(
+            <SessionProvider session={{ data: { userId: "12345678" } }}>
+                <WalletBalance data={{ isLoading: true }} />
+            </SessionProvider>);
+        const loadingMessage = screen.getByText("Loading...");
+        expect(loadingMessage).toBeInTheDocument();
+    });
+
+    test("renders wallet balance details when data is loaded", () => {
+        const sessionData = {
+            user: {
+                data: {
+                    userId: "1234567890abcdef",
+                },
+            },
+        };
+        const data = {
+            isLoading: false,
+            data: [
+                {
+                    type: "MOI",
+                    amount: 100,
+                    currency: "USD",
+                    operations: [],
+                },
+                {
+                    type: "Other",
+                    amount: 200,
+                    currency: "EUR",
+                    operations: [],
+                },
+            ],
+        };
+
+        render(
+            <SessionProvider session={sessionData}>
+                <WalletBalance data={data} />
+            </SessionProvider>
+        );
+
+        // Check if wallet balance details are rendered correctly
+        const walletId = screen.getByText("#12345678...0abcdef");
+        expect(walletId).toBeInTheDocument();
+
+        const walletType = screen.getByText("POUR MOI");
+        expect(walletType).toBeInTheDocument();
+
+        const walletAmount = screen.getByText("$100.00");
+        expect(walletAmount).toBeInTheDocument();
+
+    });
+
+    // test("renders 'No savings currently in progress' message when data is loaded but no savings are available", () => {
+    //     const data = {
+    //         isLoading: false,
+    //         data: [],
+    //     };
+
+    //     render(<WalletBalance data={data} />);
+
+    //     const noSavingsMessage = screen.getByText("Aucun épargne actuellement en cours...");
+    //     expect(noSavingsMessage).toBeInTheDocument();
+    // });
+});
\ No newline at end of file
diff --git a/hooks/useLocalStorage.test.js b/hooks/useLocalStorage.test.js
new file mode 100644
index 00000000..d25d6a4c
--- /dev/null
+++ b/hooks/useLocalStorage.test.js
@@ -0,0 +1,33 @@
+import { renderHook, act } from "@testing-library/react";
+import { useLocalStorage } from "./useLocalStorage";
+
+describe("useLocalStorage", () => {
+    beforeEach(() => {
+        localStorage.clear();
+    });
+
+    it("should initialize with fallback value if no stored value exists", () => {
+        const { result } = renderHook(() => useLocalStorage("testKey", "fallback"));
+
+        expect(result.current[0]).toBe("fallback");
+    });
+
+    it("should initialize with stored value if it exists", () => {
+        localStorage.setItem("testKey", JSON.stringify("storedValue"));
+
+        const { result } = renderHook(() => useLocalStorage("testKey", "fallback"));
+
+        expect(result.current[0]).toBe("storedValue");
+    });
+
+    it("should update stored value when setValue is called", () => {
+        const { result } = renderHook(() => useLocalStorage("testKey", "fallback"));
+
+        act(() => {
+            result.current[1]("newValue");
+        });
+
+        expect(result.current[0]).toBe("newValue");
+        expect(JSON.parse(localStorage.getItem("testKey"))).toBe("newValue");
+    });
+});
\ No newline at end of file
diff --git a/lib/helper.test.js b/lib/helper.test.js
index d08afc7a..07e23ae9 100644
--- a/lib/helper.test.js
+++ b/lib/helper.test.js
@@ -14,6 +14,8 @@ import {
   sendMessage,
   sendOtp,
   sendSMSHash,
+  setKyc,
+  checkKyc,
 } from './helper';
 
 describe('Helper functions', () => {
@@ -133,6 +135,18 @@ describe('Helper functions', () => {
 
     expect(response).toEqual({ hello: 'world' });
   });
+
+  it('setKyc', async () => {
+    const response = await setKyc({ test: 'payload' });
+
+    expect(response).toEqual({ hello: 'world' });
+  });
+
+  it('checkKyc', async () => {
+    const response = await checkKyc({ test: 'payload' });
+
+    expect(response).toEqual({ hello: 'world' });
+  });
 });
 
 describe('Helper functions errors', () => {
@@ -240,4 +254,16 @@ describe('Helper functions errors', () => {
 
     expect(response).toEqual(new Error('test'));
   });
+
+  it('setKyc', async () => {
+    const response = await setKyc({ test: 'payload' });
+
+    expect(response).toEqual(new Error('test'));
+  });
+
+  it('checkKyc', async () => {
+    const response = await checkKyc({ test: 'payload' });
+
+    expect(response).toEqual(new Error('test'));
+  });
 });
diff --git a/lib/validate.test.js b/lib/validate.test.js
new file mode 100644
index 00000000..cbd3e16f
--- /dev/null
+++ b/lib/validate.test.js
@@ -0,0 +1,165 @@
+import { registerValidate, emailValidate, loginValidate } from "./validate";
+
+
+describe("loginValidate", () => {
+    it("should return errors for missing email", async () => {
+        const values = {
+            password: "password123",
+        };
+        const errors = await loginValidate(values);
+        expect(errors.email).toEqual("Adresse email ou numéro de téléphone est requis ");
+    });
+
+    it("should return errors for missing password", async () => {
+        const values = {
+            email: "joe@example.com"
+        };
+        const errors = await loginValidate(values);
+        expect(errors.password).toEqual("Mot de passe est requis");
+    });
+
+    it("should return errors for password with spaces", async () => {
+        const values = {
+            email: "joe@example.com",
+            password: "password with spaces",
+        };
+        const errors = await loginValidate(values);
+        expect(errors.password).toEqual("Mot de passe invalide");
+    });
+});
+
+
+describe("registerValidate", () => {
+    it("should return errors for missing email", async () => {
+        const values = {
+            password: "password123",
+            cpassword: "password123",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.email).toEqual("Adresse email est requis");
+    });
+
+    it("should return errors for invalid email", async () => {
+        const values = {
+            email: "invalidemail",
+            password: "password123",
+            cpassword: "password123",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.email).toEqual("Adresse email invalide");
+    });
+
+    it("should return errors for missing password", async () => {
+        const values = {
+            email: "john@example.com",
+            cpassword: "password123",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.password).toEqual("Mot de passe est requis");
+    });
+
+    it("should return errors for short password", async () => {
+        const values = {
+            email: "john@example.com",
+            password: "pass",
+            cpassword: "password123",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.password).toEqual("Mot de passe trop court");
+    });
+
+    it("should return errors for password with spaces", async () => {
+        const values = {
+            email: "john@example.com",
+            password: "password with spaces",
+            cpassword: "password123",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.password).toEqual("Mot de passe invalide");
+    });
+
+    it("should return errors for mismatched passwords", async () => {
+        const values = {
+            email: "john@example.com",
+            password: "password123",
+            cpassword: "differentpassword",
+            username: "john",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.cpassword).toEqual("Mot de passe de confirmation différent");
+    });
+
+    it("should return errors for missing username", async () => {
+        const values = {
+            email: "john@example.com",
+            password: "password123",
+            cpassword: "password123",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.username).toEqual("Nom d'utilisateur est requis");
+    });
+
+    it("should return errors for short username", async () => {
+        const values = {
+            email: "john@example.com",
+            password: "password123",
+            cpassword: "password123",
+            username: "jo",
+        };
+
+        const errors = await registerValidate(values);
+
+        expect(errors.username).toEqual(
+            "Le nom d'utilisateur doit avoir au délà de 3 caractères"
+        );
+    });
+});
+
+describe("emailValidate", () => {
+    it("should return errors for missing email", async () => {
+        const values = {};
+
+        const errors = await emailValidate(values);
+
+        expect(errors.email).toEqual("Adresse email est requis");
+    });
+
+    it("should return errors for invalid email", async () => {
+        const values = {
+            email: "invalidemail",
+        };
+
+        const errors = await emailValidate(values);
+
+        expect(errors.email).toEqual("Adresse email invalide");
+    });
+
+    it("should not return errors for valid email", async () => {
+        const values = {
+            email: "john@example.com",
+        };
+
+        const errors = await emailValidate(values);
+
+        expect(errors.email).toBeUndefined();
+    });
+});
\ No newline at end of file