diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b81f8c8..6bd8420 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -31,6 +31,8 @@ repos:
       rev: 1.7.10
       hooks:
           - id: bandit
+            args: [-c, pyproject.toml]
+            additional_dependencies: ['bandit[toml]']
     - repo: https://github.com/PyCQA/isort
       rev: 5.13.2
       hooks:
@@ -45,3 +47,11 @@ repos:
       hooks:
           - id: remove-crlf
           - id: remove-tabs
+    - repo: local
+      hooks:
+          - id: pytest-check
+            name: pytest-check
+            entry: pytest
+            language: system
+            pass_filenames: false
+            always_run: true
diff --git a/README.md b/README.md
index a488aa9..52ade0f 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,9 @@ source env/bin/activate
 pip3 install ".[dev]"
 pre-commit install
 ```
+
+Run tests
+
+```bash
+pytest -svv
+```
diff --git a/pyproject.toml b/pyproject.toml
index ff78742..97e851d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,4 +13,8 @@ description = "config generator for joj3"
 readme = "README.md"
 
 [project.optional-dependencies]
-dev = ["pre-commit>=3.7.1", "black>=24.4.2"]
+dev = ["pre-commit>=3.7.1", "black>=24.4.2", "pytest>=8.3.3"]
+
+[tool.bandit]
+exclude_dirs = ["tests"]
+skips = ["B101"]
diff --git a/tests/example_test.py b/tests/example_test.py
new file mode 100644
index 0000000..c2df768
--- /dev/null
+++ b/tests/example_test.py
@@ -0,0 +1,12 @@
+# from xxx import generate
+
+
+from typing import Any
+
+
+def test_generate() -> None:
+    generate = lambda x: x  # TODO: real generate function imported
+    data_input: dict[Any, Any] = {}  # TODO: load real input from some file
+    data_output: dict[Any, Any] = generate(data_input)
+    expected_output: dict[Any, Any] = {}  # TODO: load real output from some file
+    assert data_output == expected_output