test pre-commit

Author: milk333445

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.4.0
+    hooks:
+      - id: ruff
+        args: [--fix]
+      - id: ruff-format
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.9.0
+    hooks:
+      - id: mypy

pyproject.toml

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+[tool.ruff]
+line-length = 88
+target-version = "py310"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "N", "W"]
+
+[tool.mypy]
+python_version = "3.10"
+ignore_missing_imports = true
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]

src/__init__.py

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+def add(a: int, b: int) -> int:
+    """兩數相加"""
+    return a + b
+
+
+def divide(a: int, b: int) -> float:
+    """兩數相除"""
+    if b == 0:
+        raise ValueError("除數不能為 0")
+    return a / b

src/calculator.py

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+import pytest
+
+from src.calculator import add, divide
+
+
+def test_add():
+    assert add(1, 2) == 3
+
+
+def test_divide():
+    assert divide(10, 2) == 5.0
+
+
+def test_divide_by_zero():
+    with pytest.raises(ValueError):
+        divide(1, 0)