diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 0f0fc05..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.env.dev b/.env.dev
index e54bc46..fbd7247 100644
--- a/.env.dev
+++ b/.env.dev
@@ -4,6 +4,7 @@ export DB_HOSTNAME="localhost"
 export DB_PORT="3306"
 export DB_DATABASE="world"
 export RUST_LOG="debug"
+export DATABASE_URL="mariadb://$DB_USERNAME:$DB_PASSWORD@$DB_HOSTNAME:$DB_PORT/$DB_DATABASE"
 
 export MAIL_ADDRESS="test@gmail.com"
 export MAIL_PASSWORD="**** **** **** ****"
diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index b0ef64e..39120ca 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -14,6 +14,16 @@ env:
 jobs:
  test:
     runs-on: ubuntu-latest
+    services:
+      mariadb:
+        image: mariadb:latest
+        env:
+          MYSQL_ROOT_PASSWORD: password
+          MYSQL_DATABASE: world
+          TZ: Asia/Tokyo
+        ports:
+          - 3306:3306
+        options: --health-cmd="mariadb-admin ping" --health-interval=10s --health-timeout=5s --health-retries=3
     steps:
     - name: Checkout
       uses: actions/checkout@v4
@@ -32,7 +42,7 @@ jobs:
     - name: Build test
       run: cargo build --release --verbose
     - name: Run test
-      run: cargo test --verbose
+      run: source .env.dev && cargo test --verbose
     - name: Lint with clippy
       run: cargo clippy --all-targets --all-features
     - name: Check formatting
diff --git a/Cargo.toml b/Cargo.toml
index c7b3618..25c6c97 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,11 +7,12 @@ edition = "2021"
 
 [dependencies]
 axum = "0.7"
+http-body-util = "0.1.0"
 axum-extra = { version = "0.9", features = [ "typed-header" ] }
 tokio = { version = "1.0", features = ["full"] }
 serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
-tower = "0.4"
+tower = { version = "0.4", features = ["full"] }
 tower-http = { version = "0.5.0", features = ["add-extension", "trace", "fs"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
diff --git a/src/handler/users.rs b/src/handler/users.rs
index b50ac34..0cb40a9 100644
--- a/src/handler/users.rs
+++ b/src/handler/users.rs
@@ -178,14 +178,18 @@ pub async fn put_me(
         self_introduction: body.self_introduction.unwrap_or(user.self_introduction),
     };
 
-    let icon_url = new_body.icon_url.clone();
-
     state
         .update_user(user.display_id, new_body)
         .await
         .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
 
-    Ok(Json(serde_json::json!({"iconUrl": icon_url})))
+    let new_user = state
+        .get_user_by_display_id(display_id)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
+        .ok_or(StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    Ok(Json(new_user))
 }
 
 pub async fn get_user(
diff --git a/src/repository.rs b/src/repository.rs
index 5d90f1a..9f515ed 100644
--- a/src/repository.rs
+++ b/src/repository.rs
@@ -34,6 +34,18 @@ impl Repository {
 
         Ok(())
     }
+
+    pub async fn create_by_pool(pool: sqlx::MySqlPool) -> anyhow::Result<Self> {
+        let session_store =
+            MySqlSessionStore::from_client(pool.clone()).with_table_name("user_sessions");
+        session_store.migrate().await?;
+
+        Ok(Self {
+            pool,
+            session_store,
+            bcrypt_cost: bcrypt::DEFAULT_COST,
+        })
+    }
 }
 
 fn get_option_from_env() -> anyhow::Result<MySqlConnectOptions> {
diff --git a/src/repository/users.rs b/src/repository/users.rs
index 72b57ec..dc12e5a 100644
--- a/src/repository/users.rs
+++ b/src/repository/users.rs
@@ -12,7 +12,9 @@ use super::Repository;
 #[derive(Debug, Clone, PartialEq, sqlx::Type, Serialize)]
 #[repr(i32)]
 pub enum UserRole {
+    #[serde(rename = "commonUser")]
     common_user = 0,
+    #[serde(rename = "traPUser")]
     traP_user = 1,
     admin = 2,
 }
diff --git a/tests/test.rs b/tests/test.rs
new file mode 100644
index 0000000..5975988
--- /dev/null
+++ b/tests/test.rs
@@ -0,0 +1 @@
+mod users;
diff --git a/tests/users/common/check.rs b/tests/users/common/check.rs
new file mode 100644
index 0000000..b2caa6f
--- /dev/null
+++ b/tests/users/common/check.rs
@@ -0,0 +1,50 @@
+use super::remove_field;
+use serde_json::{json, Value};
+
+pub fn users_check_by_id(id: i64, resp_json: &mut Value) -> anyhow::Result<()> {
+    let users_json = match id {
+        1 => json!({
+            "id": "11111111-1111-1111-1111-111111111111",
+            "displayId": 1,
+            "name": "test_user_1",
+            "traqId": null,
+            "githubId": "test_github_id_1",
+            "iconUrl": null,
+            "githubLink": "https://github.com/test_user_1",
+            "xLink": null,
+            "selfIntroduction": "test_self_introduction_1",
+            "role": "commonUser",
+        }),
+        2 => json!({
+            "id": "22222222-2222-2222-2222-222222222222",
+            "displayId": 2,
+            "name": "test_user_2",
+            "traqId": "test_traq_id_2",
+            "githubId": null,
+            "iconUrl": null,
+            "githubLink": null,
+            "xLink": "https://x.com/test_user_2",
+            "selfIntroduction": "",
+            "role": "traPUser",
+        }),
+        3 => json!({
+            "id": "33333333-3333-3333-3333-333333333333",
+            "displayId": 3,
+            "name": "test_user_3",
+            "traqId": null,
+            "githubId": null,
+            "iconUrl": "https://icon.com/test_user_3",
+            "githubLink": null,
+            "xLink": null,
+            "selfIntroduction": "",
+            "role": "admin",
+        }),
+        _ => return Err(anyhow::anyhow!("Invalid id")),
+    };
+    let ignore_field = vec!["createdAt", "updatedAt"];
+
+    remove_field(resp_json, &ignore_field);
+    assert_eq!(resp_json, &users_json);
+
+    Ok(())
+}
diff --git a/tests/users/common/mod.rs b/tests/users/common/mod.rs
new file mode 100644
index 0000000..ee044ba
--- /dev/null
+++ b/tests/users/common/mod.rs
@@ -0,0 +1,31 @@
+use axum::{
+    body::Body,
+    http::{request, Request},
+};
+
+pub mod check;
+
+pub trait RequestBuilderExt {
+    fn json(self, json: serde_json::Value) -> Request<Body>;
+}
+
+impl RequestBuilderExt for request::Builder {
+    fn json(self, json: serde_json::Value) -> Request<Body> {
+        self.header("Content-Type", "application/json")
+            .body(Body::from(json.to_string()))
+            .unwrap()
+    }
+}
+
+pub fn remove_field(json: &mut serde_json::Value, ignore_fields: &Vec<&str>) {
+    match json {
+        serde_json::Value::Object(obj) => {
+            for field in ignore_fields {
+                obj.remove(*field);
+            }
+        }
+        _ => {
+            panic!("Invalid JSON format");
+        }
+    }
+}
diff --git a/tests/users/fixtures/common.sql b/tests/users/fixtures/common.sql
new file mode 100644
index 0000000..5d32597
--- /dev/null
+++ b/tests/users/fixtures/common.sql
@@ -0,0 +1,41 @@
+INSERT INTO users 
+(id, name, role, github_id, github_link, self_introduction, email) 
+VALUES 
+(
+    UNHEX(REPLACE('11111111-1111-1111-1111-111111111111','-','')), 
+    'test_user_1', 
+    0,
+    "test_github_id_1",
+    "https://github.com/test_user_1",
+    "test_self_introduction_1",
+    "test1@test.com"
+);
+
+INSERT INTO users_passwords
+(user_id, password)
+VALUES
+(
+    UNHEX(REPLACE('11111111-1111-1111-1111-111111111111','-','')),
+    "test_password_1"
+);
+
+INSERT INTO 
+users (id, name, role, traq_id, x_link) 
+VALUES 
+(
+    UNHEX(REPLACE('22222222-2222-2222-2222-222222222222','-','')), 
+    'test_user_2', 
+    1,
+    "test_traq_id_2",
+    "https://x.com/test_user_2"
+);
+
+INSERT INTO users 
+(id, name, role, icon_url) 
+VALUES 
+(
+    UNHEX(REPLACE('33333333-3333-3333-3333-333333333333','-','')),
+    'test_user_3', 
+    2,
+    "https://icon.com/test_user_3"
+);
\ No newline at end of file
diff --git a/tests/users/get_users.rs b/tests/users/get_users.rs
new file mode 100644
index 0000000..0ad263c
--- /dev/null
+++ b/tests/users/get_users.rs
@@ -0,0 +1,116 @@
+use std::borrow::BorrowMut;
+
+use super::common::check::users_check_by_id;
+use axum::{
+    body::Body,
+    http::{self, Request},
+};
+use http_body_util::BodyExt;
+use serde_json::Value;
+use tower::ServiceExt;
+use trao_judge_backend::{make_router, Repository};
+
+#[sqlx::test(fixtures("common"))]
+async fn get_user_by_id(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state);
+
+    let tests = vec![1, 2, 3];
+
+    for id in tests {
+        let response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::GET)
+                    .uri(format!("/users/{}", id))
+                    .body(Body::empty())?,
+            )
+            .await?;
+
+        assert_eq!(response.status(), 200);
+
+        let mut resp_json: Value =
+            serde_json::from_slice(&response.into_body().collect().await?.to_bytes())?;
+
+        users_check_by_id(id, &mut resp_json)?;
+    }
+
+    Ok(())
+}
+
+#[sqlx::test(fixtures("common"))]
+async fn get_user_by_id_not_found(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state);
+
+    let not_found_case = vec![0, 4, 10, 1000000];
+    for id in not_found_case {
+        let response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::GET)
+                    .uri(format!("/users/{}", id))
+                    .body(Body::empty())?,
+            )
+            .await?;
+
+        assert_eq!(response.status(), 404);
+    }
+
+    Ok(())
+}
+
+#[sqlx::test(fixtures("common"))]
+async fn get_user_me(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state.clone());
+
+    let tests = vec![1, 2, 3];
+
+    for id in tests {
+        let session_id = state
+            .create_session(state.get_user_by_display_id(id).await?.unwrap())
+            .await?;
+
+        let response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::GET)
+                    .uri("/users/me")
+                    .header("Cookie", format!("session_id={}", session_id))
+                    .body(Body::empty())?,
+            )
+            .await?;
+        assert_eq!(response.status(), 200);
+
+        let mut resp_json: Value =
+            serde_json::from_slice(&response.into_body().collect().await?.to_bytes())?;
+
+        users_check_by_id(id, &mut resp_json)?;
+    }
+
+    Ok(())
+}
+
+#[sqlx::test(fixtures("common"))]
+async fn get_user_me_unauthorized(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state.clone());
+
+    // Test unauthorized case
+    let response = app
+        .borrow_mut()
+        .oneshot(
+            Request::builder()
+                .method(http::Method::GET)
+                .uri("/users/me")
+                .body(Body::empty())?,
+        )
+        .await?;
+    assert_eq!(response.status(), 401);
+
+    Ok(())
+}
diff --git a/tests/users/mod.rs b/tests/users/mod.rs
new file mode 100644
index 0000000..fd15c35
--- /dev/null
+++ b/tests/users/mod.rs
@@ -0,0 +1,4 @@
+pub mod common;
+
+mod get_users;
+mod put_users;
diff --git a/tests/users/put_users.rs b/tests/users/put_users.rs
new file mode 100644
index 0000000..6ba0c1e
--- /dev/null
+++ b/tests/users/put_users.rs
@@ -0,0 +1,153 @@
+use std::borrow::BorrowMut;
+
+use super::common::RequestBuilderExt;
+use axum::{
+    body::Body,
+    http::{self, Request},
+};
+use http_body_util::BodyExt;
+use serde_json::{json, Value};
+use tower::ServiceExt;
+use trao_judge_backend::{make_router, Repository};
+
+#[sqlx::test(fixtures("common"))]
+async fn put_user_me(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state.clone());
+
+    let tests = vec![
+        (
+            1,
+            json!({
+                "userName": "tt",
+                "selfIntroduction": "hello",
+            }),
+            vec![("name", "tt"), ("selfIntroduction", "hello")],
+        ),
+        (
+            2,
+            json!({
+                "userName": "t-t",
+                "xLink": "https://x.com/test",
+            }),
+            vec![("name", "t-t"), ("xLink", "https://x.com/test")],
+        ),
+        (
+            3,
+            json!({
+                "userName": "t-t",
+                "xLink": "https://x.com/tester/t",
+                "selfIntroduction": "hello",
+            }),
+            vec![
+                ("name", "t-t"),
+                ("xLink", "https://x.com/tester/t"),
+                ("selfIntroduction", "hello"),
+            ],
+        ),
+    ];
+
+    for (id, req_json, changes) in tests {
+        let session_id = state
+            .create_session(state.get_user_by_display_id(id).await?.unwrap())
+            .await?;
+
+        let response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::PUT)
+                    .uri("/users/me")
+                    .header("Cookie", format!("session_id={}", session_id))
+                    .json(req_json),
+            )
+            .await?;
+
+        assert_eq!(response.status(), 200);
+
+        let resp_json: Value =
+            serde_json::from_slice(&response.into_body().collect().await?.to_bytes())?;
+
+        for (key, value) in changes {
+            assert_eq!(resp_json[key], value);
+        }
+
+        // get_users/me との比較
+        let get_user_response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::GET)
+                    .uri("/users/me")
+                    .header("Cookie", format!("session_id={}", session_id))
+                    .body(Body::empty())?,
+            )
+            .await?;
+
+        assert_eq!(get_user_response.status(), 200);
+        let resp_json2: Value =
+            serde_json::from_slice(&get_user_response.into_body().collect().await?.to_bytes())?;
+
+        assert_eq!(resp_json, resp_json2);
+    }
+    Ok(())
+}
+
+#[sqlx::test(fixtures("common"))]
+async fn put_user_me_invalid(pool: sqlx::MySqlPool) -> anyhow::Result<()> {
+    let state = Repository::create_by_pool(pool).await?;
+    let mut app = make_router(state.clone());
+
+    let response = app
+        .borrow_mut()
+        .oneshot(
+            Request::builder()
+                .method(http::Method::PUT)
+                .uri("/users/me")
+                .json(json!({
+                    "userName": "test",
+                    "xLink": "https://x.com/tester/t",
+                    "selfIntroduction": "hello",
+                })),
+        )
+        .await?;
+
+    assert_eq!(response.status(), 401);
+
+    let session_id = state
+        .create_session(state.get_user_by_display_id(1).await?.unwrap())
+        .await?;
+
+    let tests = vec![
+        json!({
+            "userName": "t-",
+            "xLink": "https://x.com/tester/t",
+            "selfIntroduction": "hello",
+        }),
+        json!({
+            "userName": "t-t",
+            "xLink": "https://x.com",
+        }),
+        json!({
+            "userName": "Test/Test",
+            "selfIntroduction": "hello",
+        }),
+    ];
+
+    for req_json in tests {
+        let response = app
+            .borrow_mut()
+            .oneshot(
+                Request::builder()
+                    .method(http::Method::PUT)
+                    .uri("/users/me")
+                    .header("Cookie", format!("session_id={}", session_id))
+                    .json(req_json),
+            )
+            .await?;
+
+        assert_eq!(response.status(), 400);
+    }
+
+    Ok(())
+}