Migrate existing tests to pytest

.github/workflows/main.yml

@@ -30,4 +30,4 @@ jobs:
             run: uvx --with pre-commit pre-commit run --all-files
 
           - name: Run tests
-            run: uv run python -m unittest discover
+            run: uv run pytest

README.md

@@ -8,7 +8,7 @@ A [pre-commit hook](https://pre-commit.com/) implementation of the Linux kernel
 
 Uses Linux kernel `checkpatch.pl` to check for coding style errors in C code, Makefiles, etc.
 
-See the docs for the script itself [here](https://docs.kernel.org/dev-tools/checkpatch.html)
+See the docs for the script itself [here](https://docs.kernel.org/dev-tools/checkpatch.html).
 
 ### Custom configuration file
 

checkpatch_hook/__init__.py

@@ -102,7 +102,8 @@ def pre_process_dir_config(self, dconfig: dict, config: dict) -> dict:
         for key, value in self.magic_error_keys.items():
             if key in dconfig and value in dconfig[key]:
                 if value not in config.keys():
-                    raise RuntimeError(f"Unknown key {value} in {self.config_file_path}")
+                    logger.error(f"Unknown key {value} in {self.config_file_path}")
+                    sys.exit(1)
                 dconfig[key].extend(config[value])
                 dconfig[key].remove(value)
         return dconfig

pyproject.toml

@@ -13,12 +13,14 @@ dependencies = [
 
 [tool.uv]
 dev-dependencies = [
-    "tox>=4.18.0",
     "pytest>=8.3.2",
     "coverage>=7.6.1",
     "pytest-cov>=5.0.0",
 ]
 
+[tool.pytest.ini_options]
+addopts = "--cov=checkpatch_hook --cov-branch"
+
 [build-system]
 requires = ["hatchling", "hatch-vcs"]
 build-backend = "hatchling.build"