parse options in test

flake8_idom_hooks/flake8_plugin.py

@@ -14,7 +14,7 @@ class Plugin:
     name = __name__
     version = __version__
 
-    options: Namespace = Namespace()
+    exhaustive_hook_deps: bool
 
     @classmethod
     def add_options(cls, option_manager: OptionManager) -> None:
@@ -28,15 +28,13 @@ def add_options(cls, option_manager: OptionManager) -> None:
 
     @classmethod
     def parse_options(cls, options: Namespace) -> None:
-        cls.options = options
+        cls.exhaustive_hook_deps = getattr(options, "exhaustive_hook_deps", False)
 
     def __init__(self, tree: ast.Module) -> None:
         self._tree = tree
 
     def run(self) -> list[tuple[int, int, str, type[Plugin]]]:
         return [
             error + (self.__class__,)
-            for error in run_checks(
-                self._tree, getattr(self.options, "exhaustive_hook_deps", False)
-            )
+            for error in run_checks(self._tree, self.exhaustive_hook_deps)
         ]

tests/test_flake8_idom_hooks.py

@@ -1,7 +1,13 @@
 import ast
 from pathlib import Path
 
-from flake8_idom_hooks import run_checks
+from flake8.options.manager import OptionManager
+
+from flake8_idom_hooks import Plugin
+
+
+options_manager = OptionManager("test", "0.0.0")
+Plugin.add_options(options_manager)
 
 
 def test_flake8_idom_hooks():
@@ -19,5 +25,9 @@ def test_flake8_idom_hooks():
                 lineno = index + 2  # use 2 since error should be on next line
                 col_offset = len(line) - len(lstrip_line)
                 message = line.replace("# error:", "", 1).strip()
-                expected_errors.add((lineno, col_offset, message))
-    assert set(run_checks(tree, exhaustive_hook_deps=True)) == expected_errors
+                expected_errors.add((lineno, col_offset, message, Plugin))
+
+    options, filenames = options_manager.parse_args(["--exhaustive-hook-deps"])
+    Plugin.parse_options(options)
+
+    assert set(Plugin(tree).run()) == expected_errors