diff --git a/.github/workflows/auto_pr_assign.yml b/.github/workflows/auto_pr_assign.yml
new file mode 100644
index 0000000..cb2714e
--- /dev/null
+++ b/.github/workflows/auto_pr_assign.yml
@@ -0,0 +1,20 @@
+name: Auto PR Assign
+
+on:
+  pull_request:
+    types: [opened, unassigned]
+
+permissions:
+  pull-requests: write
+  repository-projects: read
+
+jobs:
+  assign:
+    name: Assign
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set assignees
+        run: gh pr edit ${{ github.event.number }} --add-assignee ${{ github.actor }} --repo ${{ github.repository }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+        if: ${{ github.event.pull_request.user.type != 'Bot' && toJSON(github.event.pull_request.assignees) == '[]' }}
\ No newline at end of file
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..11f5d07
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,58 @@
+name: Lint
+
+on:
+  pull_request:
+    paths:
+      - .github/workflows/lint.yml
+      - "**/*.py"
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  pull-requests: write
+  contents: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    if: ${{ !contains(github.event.commits.*.message, '[skip lint]') }}
+    timeout-minutes: 10
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up reviewdog
+        uses: reviewdog/action-setup@v1
+        with:
+          reviewdog_version: latest
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12.2'
+
+      - run: |
+          python -m pip install --upgrade pip
+          pip install poetry
+          poetry install --no-interaction
+
+      - name: flake8
+        uses: reviewdog/action-flake8@v3
+        with:
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review
+          level: warning
+          fail_level: warning
+          filter_mode: nofilter
+          workdir: src
+
+      - name: mypy
+        uses: tsuyoshicho/action-mypy@v4
+        with:
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review
+          level: warning
+          filter_mode: nofilter
+          workdir: src
+          execute_command: 'poetry run mypy'
\ No newline at end of file
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
new file mode 100644
index 0000000..0077f55
--- /dev/null
+++ b/.github/workflows/pytest.yml
@@ -0,0 +1,33 @@
+name: Test
+
+on:
+  push:
+    paths:
+      - .github/workflows/pytest.yml
+      - "**/*.py"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    if: ${{ !contains(github.event.commits.*.message, '[skip test]') }}
+    timeout-minutes: 10
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12.2'
+
+      - run: |
+          python -m pip install --upgrade pip
+          pip install poetry
+          poetry install --no-interaction
+
+      - name: pytest
+        run: poetry run pytest
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 65f608a..d931486 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,4 +18,5 @@ logs/
 
 # プログラムで自動生成されるファイル
 src/generated_map/
-*.map
\ No newline at end of file
+src/__pycache__/
+*.map
diff --git a/pyproject.toml b/pyproject.toml
index 7aadb84..4c7e4b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,3 +35,4 @@ profile = "black"
 [tool.mypy]
 python_version = 3.9
 strict = true
+exclude = ['.venv', '__pycache__', '.git', '.mypy_cache', 'tests']
diff --git a/src/tests/RandomMapGenerator_test.py b/src/tests/RandomMapGenerator_test.py
new file mode 100644
index 0000000..25bcbbe
--- /dev/null
+++ b/src/tests/RandomMapGenerator_test.py
@@ -0,0 +1,11 @@
+import numpy as np
+import pytest
+
+import src.RandomMapGenerator
+
+
+def test_rotateMap():
+    small_map = np.array([[1, 2], [3, 4]])
+    expected_result = np.array([[2, 4], [1, 3]])
+    result = src.RandomMapGenerator.rotateMap(small_map)
+    assert np.array_equal(result, expected_result)