Fix fixture lookup in pytest_generate_tests

Signed-off-by: Kirill Sosnovskikh <k.sosnovskikh@yadro.com>

README.md

@@ -20,15 +20,12 @@ Additionally, `allure-validator` can be added to pre-commit hooks:
 ```yaml
 # .pre-commit-config.yaml
 repos:
-  - repo: local
+  - repo: https://git.frostfs.info/TrueCloudLab/allure-validator
+    rev:  1.0.0
     hooks:
       - id: allure-validator
-        name: allure-validator
-        entry: allure-validator
-        language: system
-        args: ["pytest_tests/"] # folder with tests
+        args: ["pytest_tests/"]
         pass_filenames: false
-        types: [python]
 ```
 
 ### Ignore mechanism

src/allure_validator/collect.py

@@ -133,21 +133,25 @@ def fixtures(ast_fixtures: list[ast.FunctionDef], ast_hooks: list[ast.FunctionDe
 
     for ast_hook in ast_hooks:
         path = getattr(ast_hook, ATTR_PATH)
-        for node in ast_hook.body:
-            if isinstance(node, ast.Expr):
-                if parse.decorator(node.value) == PYTEST_METAFUNC_PARAMETRIZE:
-                    fixture_names = parse.param_names(node.value.args[0])
-                    for name in fixture_names:
-                        # Dynamic fake fixture
-                        fixture = Fixture(
-                            name,
-                            path,
-                            node.lineno,
-                            node.col_offset,
-                            args=[],
-                            params=["parametrized"],
-                        )
-                        fixtures[fixture] = fixture
+        for node in ast.walk(ast_hook):
+            if not isinstance(node, ast.Expr):
+                continue
+
+            if parse.decorator(node.value) != PYTEST_METAFUNC_PARAMETRIZE:
+                continue
+
+            fixture_names = parse.param_names(node.value.args[0])
+            for name in fixture_names:
+                # Dynamic fake fixture
+                fixture = Fixture(
+                    name,
+                    path,
+                    node.lineno,
+                    node.col_offset,
+                    args=[],
+                    params=["parametrized"],
+                )
+                fixtures[fixture] = fixture
 
     for fixture in fixtures.values():
         for arg in fixture.args: