diff --git a/src/app/mocks/browser.ts b/src/app/mocks/browser.ts
index 15e01d3..e4a9dcb 100644
--- a/src/app/mocks/browser.ts
+++ b/src/app/mocks/browser.ts
@@ -3,12 +3,16 @@ import { setupWorker } from 'msw/browser';
 import { commentHandlers } from './handler/comment';
 import { feedHandlers } from './handler/feed';
 import { likeHandlers } from './handler/like';
-import { userHandlers } from './handler/user';
+import { followHandler } from './handler/follow';
+import { searchHandler } from './handler/search';
+import { userHandler } from './handler/user';
 
 // 브라우저에서 실행하기 위한 mocking worker 초기화
 export const worker = setupWorker(
   ...commentHandlers,
   ...feedHandlers,
   ...likeHandlers,
-  ...userHandlers,
+  ...followHandler,
+  ...searchHandler,
+  ...userHandler,
 );
diff --git a/src/app/mocks/consts/likeUser.ts b/src/app/mocks/consts/likeUser.ts
new file mode 100644
index 0000000..686e2a1
--- /dev/null
+++ b/src/app/mocks/consts/likeUser.ts
@@ -0,0 +1,58 @@
+import { User } from '@/shared/consts';
+
+interface Users {
+  [userId: number]: User;
+}
+
+export const likeUsers: Users = {
+  1: {
+    id: 2,
+    profileImage: 'https://picsum.photos/200/200',
+    name: '이의찬',
+    content: 'Legitgoons',
+    locked: false,
+    feedCount: 124,
+    followingCount: 2,
+    followerCount: 5341,
+  },
+  2: {
+    id: 3,
+    profileImage: 'https://picsum.photos/200/200',
+    name: '양재서',
+    content: 'psychology50',
+    locked: true,
+    feedCount: 6,
+    followingCount: 35,
+    followerCount: 423,
+  },
+  3: {
+    id: 5,
+    profileImage: 'https://picsum.photos/200/200',
+    name: '신얀',
+    content: 'yanni13',
+    locked: true,
+    feedCount: 51,
+    followingCount: 7897,
+    followerCount: 7890,
+  },
+  4: {
+    id: 4,
+    profileImage: 'https://picsum.photos/200/200',
+    name: '이수민',
+    content: 'SSXXMM22',
+    locked: true,
+    feedCount: 24,
+    followingCount: 42,
+    followerCount: 53251,
+  },
+  5: {
+    id: 7,
+    profileImage: 'https://picsum.photos/200/200',
+    name: '안성윤',
+    content: 'asn6878',
+    locked: true,
+    feedCount: 87,
+    followingCount: 67,
+    followerCount: 4556,
+  },
+};
diff --git a/src/app/mocks/consts/profileFeed.ts b/src/app/mocks/consts/profileFeed.ts
index 58fa834..d965049 100644
--- a/src/app/mocks/consts/profileFeed.ts
+++ b/src/app/mocks/consts/profileFeed.ts
@@ -9,8 +9,7 @@ interface ProfileFeeds {
 export const profileFeeds: ProfileFeeds = {
   1: {
     id: 1,
-    title: 'Feed Title 1',
-    content: 'Feed Content 1',
+    content: 'Profile Feed Content 1',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[1].totalCount,
@@ -18,8 +17,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   2: {
     id: 2,
-    title: 'Feed Title 2',
-    content: 'Feed Content 2',
+    content: 'Profile Feed Content 2',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[2].totalCount,
@@ -27,7 +25,6 @@ export const profileFeeds: ProfileFeeds = {
   },
   3: {
     id: 3,
-    title: 'Feed Title 3',
     content: 'Feed Content 3',
     thubnailImage: 'https://picsum.photos/200/200',
 
@@ -36,8 +33,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   4: {
     id: 4,
-    title: 'Feed Title 4',
-    content: 'Feed Content 4',
+    content: 'Profile Feed Content 4',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[4].totalCount,
@@ -45,8 +41,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   5: {
     id: 5,
-    title: 'Feed Title 5',
-    content: 'Feed Content 5',
+    content: 'Profile Feed Content 5',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[5].totalCount,
@@ -54,8 +49,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   6: {
     id: 6,
-    title: 'Feed Title 5',
-    content: 'Feed Content 5',
+    content: 'Profile Feed Content 5',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[6].totalCount,
@@ -63,8 +57,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   7: {
     id: 7,
-    title: 'Feed Title 7',
-    content: 'Feed Content 7',
+    content: 'Profile Feed Content 7',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[7].totalCount,
@@ -72,8 +65,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   8: {
     id: 8,
-    title: 'Feed Title 8',
-    content: 'Feed Content 8',
+    content: 'Profile Feed Content 8',
     thubnailImage: 'https://picsum.photos/200/200',
 
     likeCount: likes[8].totalCount,
@@ -81,8 +73,7 @@ export const profileFeeds: ProfileFeeds = {
   },
   9: {
     id: 9,
-    title: 'Feed Title 9',
-    content: 'Feed Content 9',
+    content: 'Profile Feed Content 9',
     thubnailImage: '',
 
     likeCount: likes[9].totalCount,
diff --git a/src/app/mocks/consts/relationshipStatus.ts b/src/app/mocks/consts/relationshipStatus.ts
index e208f7f..0a0751c 100644
--- a/src/app/mocks/consts/relationshipStatus.ts
+++ b/src/app/mocks/consts/relationshipStatus.ts
@@ -14,5 +14,5 @@ export const relationshipStatus: Relationship = {
   6: 'pending',
   7: 'following',
   8: 'none',
-  9: 'pending',
+  9: 'none',
 };
diff --git a/src/app/mocks/consts/user.ts b/src/app/mocks/consts/user.ts
index b209313..1df37a4 100644
--- a/src/app/mocks/consts/user.ts
+++ b/src/app/mocks/consts/user.ts
@@ -10,6 +10,7 @@ export const users: Users = {
     profileImage: '',
     name: '강병준',
     content: 'bangdori',
+    locked: false,
     feedCount: 100,
     followingCount: 347,
     followerCount: 25,
@@ -19,6 +20,7 @@ export const users: Users = {
     profileImage: '',
     name: '이의찬',
     content: 'Legitgoons',
+    locked: false,
     feedCount: 124,
     followingCount: 2,
     followerCount: 5341,
@@ -28,6 +30,7 @@ export const users: Users = {
     profileImage: '',
     name: '양재서',
     content: 'psychology50',
+    locked: true,
     feedCount: 6,
     followingCount: 35,
     followerCount: 423,
@@ -37,6 +40,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '이수민',
     content: 'SSXXMM22',
+    locked: true,
     feedCount: 24,
     followingCount: 42,
     followerCount: 53251,
@@ -46,6 +50,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '신얀',
     content: 'yanni13',
+    locked: true,
     feedCount: 51,
     followingCount: 7897,
     followerCount: 7890,
@@ -55,6 +60,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '이주원',
     content: '2weeksone',
+    locked: false,
     feedCount: 97,
     followingCount: 98,
     followerCount: 8975,
@@ -64,6 +70,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '안성윤',
     content: 'asn6878',
+    locked: true,
     feedCount: 87,
     followingCount: 67,
     followerCount: 4556,
@@ -73,6 +80,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '이진우',
     content: 'jinlee1703',
+    locked: false,
     feedCount: 32,
     followingCount: 24,
     followerCount: 543,
@@ -82,6 +90,7 @@ export const users: Users = {
     profileImage: 'https://picsum.photos/32/32',
     name: '최희진',
     content: 'heejinnn',
+    locked: false,
     feedCount: 66,
     followingCount: 1,
     followerCount: 1,
diff --git a/src/app/mocks/handler/follow.ts b/src/app/mocks/handler/follow.ts
new file mode 100644
index 0000000..5bed3db
--- /dev/null
+++ b/src/app/mocks/handler/follow.ts
@@ -0,0 +1,87 @@
+import { http } from 'msw';
+
+import {
+  createHttpSuccessResponse,
+  createHttpErrorResponse,
+} from '../dir/response';
+
+import { relationshipStatus } from '../consts/relationshipStatus';
+import { users } from '../consts/user';
+
+export const followHandler = [
+  // 1️⃣ 팔로우 요청
+  http.post('/users/:user_id/follow', ({ params }) => {
+    const { user_id } = params;
+
+    if (isNaN(Number(user_id))) {
+      return createHttpErrorResponse('4220');
+    }
+
+    const formattedUserId = Number(user_id);
+    const followInfo = relationshipStatus[formattedUserId];
+
+    switch (followInfo) {
+      case 'self':
+        return createHttpErrorResponse('4220');
+      case 'none':
+        if (users[formattedUserId].locked) {
+          relationshipStatus[formattedUserId] = 'pending';
+        } else relationshipStatus[formattedUserId] = 'following';
+        break;
+      case 'following':
+        return createHttpErrorResponse('4220');
+      case 'pending':
+        return createHttpErrorResponse('4220');
+      default:
+        return createHttpErrorResponse('4040');
+    }
+
+    return createHttpSuccessResponse({});
+  }),
+  // 2️⃣ 언팔로우 & 팔로우 요청 취소
+  http.delete('/users/:user_id/follow', ({ params }) => {
+    const { user_id } = params;
+
+    if (isNaN(Number(user_id))) {
+      return createHttpErrorResponse('4220');
+    }
+
+    const formattedUserId = Number(user_id);
+    const followInfo = relationshipStatus[formattedUserId];
+
+    switch (followInfo) {
+      case 'self':
+        return createHttpErrorResponse('4220');
+      case 'none':
+        return createHttpErrorResponse('4220');
+      case 'following':
+        relationshipStatus[formattedUserId] = 'none';
+        break;
+      case 'pending':
+        relationshipStatus[formattedUserId] = 'none';
+        break;
+
+      default:
+        return createHttpErrorResponse('4040');
+    }
+
+    return createHttpSuccessResponse({});
+  }),
+  // 3️⃣ 팔로우 확인
+  http.get('/users/:user_id/follow', ({ params }) => {
+    const { user_id } = params;
+
+    if (isNaN(Number(user_id))) {
+      return createHttpErrorResponse('4220');
+    }
+
+    const formattedUserId = Number(user_id);
+    const followInfo = relationshipStatus[formattedUserId];
+
+    if (!followInfo) {
+      return createHttpErrorResponse('4040');
+    }
+
+    return createHttpSuccessResponse({ relationshipStatus: followInfo });
+  }),
+];
diff --git a/src/app/mocks/handler/search.ts b/src/app/mocks/handler/search.ts
new file mode 100644
index 0000000..badf040
--- /dev/null
+++ b/src/app/mocks/handler/search.ts
@@ -0,0 +1,42 @@
+import { http } from 'msw';
+import { User } from '@/shared/consts';
+
+import {
+  createHttpSuccessResponse,
+  createHttpErrorResponse,
+} from '../dir/response';
+
+import { users } from '../consts/user';
+import { likeUsers } from '../consts/likeUser';
+
+export const searchHandler = [
+  // 1️⃣ 사용자 검색
+  http.get('/users', ({ request }) => {
+    const url = new URL(request.url);
+    const query = url.searchParams.get('q');
+
+    if (!query) {
+      return createHttpErrorResponse('4220');
+    }
+
+    const filteredUsers: User[] = Object.values(users).filter((user) =>
+      user.name.includes(query),
+    );
+    return createHttpSuccessResponse({ users: filteredUsers });
+  }),
+  // 2️⃣ 좋아요 사용자 검색
+  http.get('/like', ({ request }) => {
+    const url = new URL(request.url);
+    const query = url.searchParams.get('q');
+
+    if (!query) {
+      return createHttpErrorResponse('4220');
+    }
+
+    const filteredUsers: User[] = Object.values(likeUsers).filter((user) =>
+      user.name.includes(query),
+    );
+
+    return createHttpSuccessResponse({ likeUsers: filteredUsers });
+  }),
+];
diff --git a/src/app/mocks/handler/user.ts b/src/app/mocks/handler/user.ts
index 08e00ee..744d2e8 100644
--- a/src/app/mocks/handler/user.ts
+++ b/src/app/mocks/handler/user.ts
@@ -1,51 +1,17 @@
 import { http } from 'msw';
 
-import { users } from '../consts/user';
-import { profileFeeds } from '../consts/profileFeed';
 import {
   createHttpSuccessResponse,
   createHttpErrorResponse,
 } from '../dir/response';
-import { reports } from '../consts/report';
-import { relationshipStatus } from '../consts/relationshipStatus';
-
-export const userHandlers = [
-  // 1️⃣ 팔로우 요청
-  http.post('/users/:user_id/follow', async ({ params }) => {
-    const { user_id } = params;
-
-    if (isNaN(Number(user_id))) {
-      return createHttpErrorResponse('4220');
-    }
-
-    const formattedUserId = Number(user_id);
-    const followInfo = relationshipStatus[formattedUserId];
-
-    if (followInfo !== 'none') {
-      return createHttpErrorResponse('4220');
-    }
-
-    return createHttpSuccessResponse({});
-  }),
-  // 2️⃣ 언팔로우 & 팔로우 요청 취소
-  http.delete('/users/:user_id/follow', ({ params }) => {
-    const { user_id } = params;
-
-    if (isNaN(Number(user_id))) {
-      return createHttpErrorResponse('4220');
-    }
-
-    const formattedUserId = Number(user_id);
-    const followInfo = relationshipStatus[formattedUserId];
 
-    if (followInfo === 'self' || followInfo === 'none') {
-      return createHttpErrorResponse('4220');
-    }
+import { users } from '../consts/user';
+import { profileFeeds } from '../consts/profileFeed';
+import { reports } from '../consts/report';
 
-    return createHttpSuccessResponse({});
-  }),
-  // 3️⃣ 팔로우 확인
-  http.get('/users/:user_id/follow', ({ params }) => {
+export const userHandler = [
+  // 1️⃣ 사용자 조회
+  http.get('/users/:user_id', ({ params }) => {
     const { user_id } = params;
 
     if (isNaN(Number(user_id))) {
@@ -53,47 +19,20 @@ export const userHandlers = [
     }
 
     const formattedUserId = Number(user_id);
-    const followInfo = relationshipStatus[formattedUserId];
+    const user = users[formattedUserId];
 
-    if (!followInfo) {
+    if (!user) {
       return createHttpErrorResponse('4040');
     }
 
-    return createHttpSuccessResponse({ relationshipStatus: followInfo });
+    return createHttpSuccessResponse({ user: user });
   }),
-  // 4️⃣ 사용자 검색
-  http.get('/users', ({ request }) => {
-    const url = new URL(request.url);
-    const query = url.searchParams.get('q');
-
-    if (!query) {
-      return createHttpErrorResponse('4220');
-    }
-
-    const filteredUsers = Object.values(users).filter((user) =>
-      user.name.includes(query),
-    );
+  // 2️⃣ 사용자 프로필 피드 조회
+  http.get('/profile/:user_id', ({ request, params }) => {
+    const { user_id } = params;
 
-    return createHttpSuccessResponse({ users: filteredUsers });
-  }),
-  // 5️⃣ 좋아요 사용자 검색
-  http.get('/like', ({ request }) => {
     const url = new URL(request.url);
-    const query = url.searchParams.get('q');
-
-    if (!query) {
-      return createHttpErrorResponse('4220');
-    }
-
-    const filteredUsers = Object.values(users).filter((user) =>
-      user.name.includes(query),
-    );
-
-    return createHttpSuccessResponse({ users: filteredUsers });
-  }),
-  // 6️⃣ 사용자 프로필 조회
-  http.get('/users/:user_id', ({ params }) => {
-    const { user_id } = params;
+    const page = url.searchParams.get('page') || 1;
 
     if (isNaN(Number(user_id))) {
       return createHttpErrorResponse('4220');
@@ -106,19 +45,6 @@ export const userHandlers = [
       return createHttpErrorResponse('4040');
     }
 
-    return createHttpSuccessResponse({ user: user });
-  }),
-  // 7️⃣ 사용자 프로필 피드
-  http.get('/users/:user_id', ({ request, params }) => {
-    const { user_id } = params;
-
-    const url = new URL(request.url);
-    const page = url.searchParams.get('page') || 1;
-
-    if (isNaN(Number(user_id))) {
-      return createHttpErrorResponse('4220');
-    }
-
     if (isNaN(Number(page)) || page === '0') {
       return createHttpErrorResponse('4220');
     }
@@ -135,7 +61,7 @@ export const userHandlers = [
     const hasNextPage = endOfPageRange < totalFeeds;
 
     return createHttpSuccessResponse({
-      feeds: profileFeeds,
+      feeds: profileFeedsData,
       currentPageNumber: pageCount,
       pageSize: formattedPage,
       numberOfElements: profileFeedsData.length,
diff --git a/src/app/mocks/test/follow/follow.error.test.ts b/src/app/mocks/test/follow/follow.error.test.ts
new file mode 100644
index 0000000..e6bfcf8
--- /dev/null
+++ b/src/app/mocks/test/follow/follow.error.test.ts
@@ -0,0 +1,36 @@
+import axios from 'axios';
+import { describe, expect, it } from 'vitest';
+
+const testCases = [
+  ['GET', '팔로우 조회 API'],
+  ['POST', '팔로우 신청 API'],
+  ['DELETE', '언팔로우 & 팔로우 요청 취소 API'],
+];
+
+describe.each(testCases)('[%s] %s', (method) => {
+  it('유저 아이디가 정수 타입이 아니라면 에러가 발생한다.', async () => {
+    const userIds = ['hello', undefined, '[]', '{}'];
+
+    for (const userId of userIds) {
+      const response = await axios({
+        method,
+        url: `/users/${userId}/follow`,
+      });
+      const { code } = response.data;
+
+      expect(code).toBe('4220');
+    }
+  });
+
+  it('유저 아이디에 해당하는 유저가 존재하지 않는다면 에러가 발생한다.', async () => {
+    const userId = 5389532104234901;
+
+    const response = await axios({
+      method,
+      url: `/users/${userId}/follow`,
+    });
+    const { code } = response.data;
+
+    expect(code).toBe('4040');
+  });
+});
diff --git a/src/app/mocks/test/follow/follow.test.ts b/src/app/mocks/test/follow/follow.test.ts
new file mode 100644
index 0000000..acb19af
--- /dev/null
+++ b/src/app/mocks/test/follow/follow.test.ts
@@ -0,0 +1,135 @@
+import axios from 'axios';
+import { describe, expect, it } from 'vitest';
+import { RelationshipStatus } from '@/shared/consts';
+
+async function getUserById(userId: number) {
+  const followInfo = await axios.get(`/users/${userId}/follow`);
+  const relationshipStatus: RelationshipStatus =
+    followInfo.data.data.relationshipStatus;
+  return { relationshipStatus };
+}
+
+describe('팔로우가 되어있지 않은 상태에서', () => {
+  it('공개 계정에 팔로우 신청을 클릭하면, 팔로잉으로 상태가 변경된다.', async () => {
+    const userId = 8;
+
+    // 팔로우 신청
+    await axios.post(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: relationshipStatus } =
+      await getUserById(userId);
+
+    expect(relationshipStatus).toBe('following');
+  });
+
+  it('비공개 계정에 팔로우 신청을 클릭하면, 요청됨으로 상태가 변경된다.', async () => {
+    const userId = 4;
+
+    // 팔로우 신청
+    await axios.post(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: relationshipStatus } =
+      await getUserById(userId);
+
+    expect(relationshipStatus).toBe('pending');
+  });
+
+  it('언팔로우를 클릭하면, 팔로우 상태가 변경되지 않는다.', async () => {
+    const userId = 9;
+    const { relationshipStatus: prevStatus } = await getUserById(userId);
+
+    // 팔로우 취소 클릭
+    await axios.delete(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: newStatus } = await getUserById(userId);
+
+    expect(newStatus).toBe(prevStatus);
+  });
+});
+
+describe('팔로우 된 상태에서', () => {
+  it('팔로우 신청을 클릭하면, 팔로우 상태가 변동되지 않는다.', async () => {
+    const userId = 2;
+    const { relationshipStatus: prevStatus } = await getUserById(userId);
+
+    // 팔로우 신청
+    await axios.post(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: newStatus } = await getUserById(userId);
+
+    expect(newStatus).toBe(prevStatus);
+  });
+
+  it('언팔로우를 클릭하면, 상태가 none으로 변경된다.', async () => {
+    const userId = 2;
+
+    // 팔로우 취소 클릭
+    await axios.delete(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: relationshipStatus } =
+      await getUserById(userId);
+
+    expect(relationshipStatus).toBe('none');
+  });
+});
+
+describe('팔로우 요청 중 상태에서', () => {
+  it('팔로우 신청을 클릭하면, 팔로우 상태가 변동되지 않는다.', async () => {
+    const userId = 3;
+    const { relationshipStatus: prevStatus } = await getUserById(userId);
+
+    // 팔로우 신청
+    await axios.post(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: newStatus } = await getUserById(userId);
+
+    expect(newStatus).toBe(prevStatus);
+  });
+
+  it('팔로우 요청 취소를 클릭하면, 상태가 none으로 변경된다.', async () => {
+    const userId = 3;
+
+    // 팔로우 취소
+    await axios.delete(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: relationshipStatus } =
+      await getUserById(userId);
+
+    expect(relationshipStatus).toBe('none');
+  });
+});
+
+describe('목표 유저가 본인이라면', () => {
+  it('팔로우 신청을 클릭하면, 상태가 변동되지 않는다.', async () => {
+    const userId = 1;
+    const { relationshipStatus: prevStatus } = await getUserById(userId);
+
+    // 팔로우 신청
+    await axios.post(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: newStatus } = await getUserById(userId);
+
+    expect(newStatus).toBe(prevStatus);
+  });
+
+  it('언팔로우를 클릭하면, 상태가 변동되지 않는다.', async () => {
+    const userId = 1;
+    const { relationshipStatus: prevStatus } = await getUserById(userId);
+
+    // 팔로우 취소
+    await axios.delete(`/users/${userId}/follow`);
+
+    // 업데이트 된 팔로우 상태
+    const { relationshipStatus: newStatus } = await getUserById(userId);
+
+    expect(newStatus).toBe(prevStatus);
+  });
+});
diff --git a/src/app/mocks/test/search/search.test.ts b/src/app/mocks/test/search/search.test.ts
new file mode 100644
index 0000000..553c16b
--- /dev/null
+++ b/src/app/mocks/test/search/search.test.ts
@@ -0,0 +1,70 @@
+import axios from 'axios';
+import { describe, expect, it } from 'vitest';
+
+async function getUsersByName(userName: string) {
+  const users = await axios.get(`/users?q=${userName}`);
+  const searchedUsers = users.data.data.users;
+  return { searchedUsers };
+}
+
+async function getLikeUsersByName(userName: string) {
+  const likeusers = await axios.get(`/like?q=${userName}`);
+  const searchedLikeUsers = likeusers.data.data.likeUsers;
+  return { searchedLikeUsers };
+}
+
+describe('유저 검색 시, ', () => {
+  it('이름이 일치하는 유저가 있다면 해당 사용자들을 반환한다.', async () => {
+    const userName = '강병';
+
+    // 검색
+    await axios.get(`/users?q=${userName}`);
+
+    // 검색 결과
+    const { searchedUsers: searchedUsers } = await getUsersByName(userName);
+
+    expect(searchedUsers).toHaveLength(1);
+    expect(searchedUsers[0].name).toBe('강병준');
+  });
+
+  it('이름이 일치하는 유저가 없다면 빈 배열을 반환한다.', async () => {
+    const userName = '김가상의유저이름';
+
+    // 검색
+    await axios.get(`/users?q=${userName}`);
+
+    // 검색 결과
+    const { searchedUsers: searchedUsers } = await getUsersByName(userName);
+
+    expect(searchedUsers).toHaveLength(0);
+  });
+});
+
+describe('좋아요 유저 검색 시, ', () => {
+  it('이름이 일치하는 유저가 있다면 해당 사용자들을 반환한다.', async () => {
+    const userName = '이';
+
+    // 검색
+    await axios.get(`/like?q=${userName}`);
+
+    // 검색 결과
+    const { searchedLikeUsers: searchedLikeUsers } =
+      await getLikeUsersByName(userName);
+
+    expect(searchedLikeUsers).toHaveLength(2);
+    expect(searchedLikeUsers[1].name).toBe('이수민');
+  });
+
+  it('이름이 일치하는 유저가 없다면 빈 배열을 반환한다.', async () => {
+    const userName = '김가상의유저이름';
+
+    // 검색
+    await axios.get(`/like?q=${userName}`);
+
+    // 검색 결과
+    const { searchedLikeUsers: searchedLikeUsers } =
+      await getLikeUsersByName(userName);
+
+    expect(searchedLikeUsers).toHaveLength(0);
+  });
+});
diff --git a/src/app/mocks/test/user/user.error.test.ts b/src/app/mocks/test/user/user.error.test.ts
new file mode 100644
index 0000000..4b0b3b7
--- /dev/null
+++ b/src/app/mocks/test/user/user.error.test.ts
@@ -0,0 +1,72 @@
+import axios from 'axios';
+import { describe, expect, it } from 'vitest';
+
+describe('[GET] 유저 조회 API', () => {
+  it('유저 아이디가 정수 타입이 아니라면 에러가 발생한다.', async () => {
+    const userIds = ['hello', undefined, '[]', '{}'];
+
+    for (const userId of userIds) {
+      const response = await axios({
+        method: 'GET',
+        url: `/users/${userId}`,
+      });
+      const { code } = response.data;
+
+      expect(code).toBe('4220');
+    }
+  });
+
+  it('유저 아이디에 해당하는 유저가 존재하지 않는다면 에러가 발생한다.', async () => {
+    const userId = 5389532104234901;
+
+    const response = await axios({
+      method: 'GET',
+      url: `/users/${userId}`,
+    });
+    const { code } = response.data;
+
+    expect(code).toBe('4040');
+  });
+});
+
+describe('[GET] 프로필 피드 조회 API', () => {
+  it('유저 아이디가 정수 타입이 아니라면 에러가 발생한다.', async () => {
+    const userIds = ['hello', undefined, '[]', '{}'];
+
+    for (const userId of userIds) {
+      const response = await axios({
+        method: 'GET',
+        url: `/profile/${userId}`,
+      });
+      const { code } = response.data;
+
+      expect(code).toBe('4220');
+    }
+  });
+
+  it('유저 아이디에 해당하는 유저가 존재하지 않는다면 에러가 발생한다.', async () => {
+    const userId = 5389532104234901;
+
+    const response = await axios({
+      method: 'GET',
+      url: `/profile/${userId}`,
+    });
+    const { code } = response.data;
+
+    expect(code).toBe('4040');
+  });
+
+  it('page가 정수 타입이 아니라면 에러가 발생한다.', async () => {
+    const pages = ['hello', undefined, '[]', '{}'];
+    const userId = 1;
+    for (const page of pages) {
+      const response = await axios({
+        method: 'GET',
+        url: `/profile/${userId}&p=${page}`,
+      });
+      const { code } = response.data;
+
+      expect(code).toBe('4220');
+    }
+  });
+});
diff --git a/src/app/mocks/test/user/user.test.ts b/src/app/mocks/test/user/user.test.ts
new file mode 100644
index 0000000..0ee1b38
--- /dev/null
+++ b/src/app/mocks/test/user/user.test.ts
@@ -0,0 +1,37 @@
+import axios from 'axios';
+import { expect, it } from 'vitest';
+import { User } from '@/shared/consts';
+
+async function getUserById(userId: number) {
+  const user = await axios.get(`/users/${userId}`);
+  const userData: User = user.data.data.user;
+  return { userData };
+}
+
+async function getProfileFeedById(userId: number, page: number) {
+  const profileFeed = await axios.get(`/profile/${userId}?page=${page}`);
+  const profileFeedData = profileFeed.data.data;
+  return { profileFeedData };
+}
+
+it('유저 정보 조회 시, id에 일치하는 유저 정보를 반환한다.', async () => {
+  const userId = 8;
+
+  // 유저 정보 가져오기
+  const { userData: user } = await getUserById(userId);
+
+  expect(user.name).toBe('이진우');
+});
+
+it('유저의 ProfileFeed 조회 시, 해당 유저의 ProfileFeed를 반환한다.', async () => {
+  const userId = 4;
+  let page = 1;
+
+  // ProfileFeed 가져오기
+  const { profileFeedData: profileFeedData } = await getProfileFeedById(
+    userId,
+    page,
+  );
+
+  expect(profileFeedData.currentPageNumber).toBe(5);
+});
diff --git a/src/setupTest.ts b/src/setupTest.ts
index 47b587b..0aaa4f0 100644
--- a/src/setupTest.ts
+++ b/src/setupTest.ts
@@ -4,12 +4,20 @@ import * as matchers from '@testing-library/jest-dom/matchers';
 import { setupServer } from 'msw/node';
 import { beforeAll, afterAll, afterEach, expect } from 'vitest';
 
+import { followHandler } from './app/mocks/handler/follow';
 import { likeHandlers } from './app/mocks/handler/like';
+import { searchHandler } from './app/mocks/handler/search';
+import { userHandler } from './app/mocks/handler/user';
 
 expect.extend(matchers);
 
-export const server = setupServer(...likeHandlers);
+export const server = setupServer(
+  ...likeHandlers,
+  ...followHandler,
+  ...searchHandler,
+  ...userHandler,
+);
 
 beforeAll(() => server.listen({ onUnhandledRequest: 'error' }));
 afterAll(() => server.close());
-afterEach(() => server.resetHandlers());
\ No newline at end of file
+afterEach(() => server.resetHandlers());
diff --git a/src/shared/consts/types/profileFeed.ts b/src/shared/consts/types/profileFeed.ts
index 2d873b4..4fbd2f9 100644
--- a/src/shared/consts/types/profileFeed.ts
+++ b/src/shared/consts/types/profileFeed.ts
@@ -1,6 +1,5 @@
 export interface ProfileFeed {
   id: number;
-  title: string;
   content: string;
   thubnailImage: string;
 
diff --git a/src/shared/consts/types/user.ts b/src/shared/consts/types/user.ts
index d582c3a..62c8962 100644
--- a/src/shared/consts/types/user.ts
+++ b/src/shared/consts/types/user.ts
@@ -3,6 +3,7 @@ export interface User {
   profileImage: string;
   name: string;
   content: string;
+  locked: boolean;
 
   feedCount: number;
   followingCount: number;