DRAFT: Refactor test.utils.tag

test/pt2_to_circle_test/builder.py

@@ -32,7 +32,7 @@
 )
 from test.utils.base_builders import TestDictBuilderBase, TestRunnerBase
 
-from test.utils.tag import is_tagged
+from test.utils.tag import TestTag
 
 
 class NNModuleTest(TestRunnerBase):
@@ -41,9 +41,11 @@ def __init__(self, test_name: str, nnmodule: torch.nn.Module):
         self.test_dir = Path(os.path.dirname(os.path.abspath(__file__))) / "artifacts"
 
         # Get tags
-        self.test_without_pt2: bool = is_tagged(self.nnmodule, "test_without_pt2")
-        self.test_without_inference: bool = is_tagged(
-            self.nnmodule, "test_without_inference"
+        self.test_without_pt2: bool = TestTag.get(
+            self.nnmodule, "test_without_pt2", False
+        )
+        self.test_without_inference: bool = TestTag.get(
+            self.nnmodule, "test_without_inference", False
         )
 
         # Set tolerance

test/utils/base_builders.py

@@ -16,10 +16,10 @@
 import inspect
 import pkgutil
 from abc import abstractmethod
+from typing import Optional
 
 import torch
-
-from test.utils.tag import is_tagged
+from test.utils.tag import get_tag, has_tag, TestTag
 
 
 class TestRunnerBase:
@@ -31,12 +31,17 @@ def __init__(self, test_name: str, nnmodule: torch.nn.Module):
         self.nnmodule = nnmodule
         self.example_inputs = nnmodule.get_example_inputs()  # type: ignore[operator]
 
-        # Get tags
-        self.skip: bool = is_tagged(self.nnmodule, "skip")
-        self.skip_reason: str = getattr(self.nnmodule, "__tag_skip_reason", "")
-        self.test_negative: bool = is_tagged(self.nnmodule, "test_negative")
-        self.expected_err: str = getattr(self.nnmodule, "__tag_expected_err", "")
-        self.use_onert: bool = is_tagged(self.nnmodule, "use_onert")
+        skip: Optional[object] = TestTag.get(type(self.nnmodule), "skip")
+        self.skip: bool = skip is not None
+        self.skip_reason: str = skip.get("reason") if skip else ""
+
+        test_negative: Optional[object] = TestTag.get(
+            type(self.nnmodule), "test_negative"
+        )
+        self.test_negative: bool = test_negative is not None
+        self.expected_err: str = test_negative.get("reason") if test_negative else ""
+
+        self.use_onert: bool = TestTag.get(type(self.nnmodule), "use_onert", False)
 
     @abstractmethod
     def make(self):
@@ -79,16 +84,17 @@ def _get_nnmodules(self, submodule: str):
             )
         )
 
-        # If any of the nnmodule_classes has a tag `__tag_target`, only those nnmodule_classes will be added
+        # If any of the nnmodule_classes is marked as target, only those will be added
         target_only: bool = any(
-            hasattr(nnmodule_cls, "__tag_target") for nnmodule_cls in nnmodule_classes
+            TestTag.get(nnmodule_cls, "target", False)
+            for nnmodule_cls in nnmodule_classes
         )
 
         if target_only:
             nnmodule_classes = [
                 nnmodule_cls
                 for nnmodule_cls in nnmodule_classes
-                if hasattr(nnmodule_cls, "__tag_target")
+                if TestTag.get(nnmodule_cls, "target", False)
             ]
 
         return nnmodule_classes

test/utils/tag.py

@@ -12,95 +12,113 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from typing import Any, Dict, Type
 
-def skip(reason):
-    def __inner_skip(orig_class):
-        setattr(orig_class, "__tag_skip", True)
-        setattr(orig_class, "__tag_skip_reason", reason)
 
-        def __init__(self, *args_, **kwargs_):
-            pass
+class TestTag:
+    """Central registry for managing test tag"""
 
-        # Ignore initialization of skipped modules
-        orig_class.__init__ = __init__
+    _registry: Dict[Type, Dict[str, Any]] = {}
 
-        return orig_class
+    @classmethod
+    def add(cls, test_class: Type, tag_key: str, tag_value: Any = None) -> None:
+        """Add test tag object to a class
 
-    return __inner_skip
+        Args:
+            test_class: The test class to add tag to
+            tag_key: Name of Tag object to add
+            tag_value: Tag object to add
+        """
+        if test_class not in cls._registry:
+            cls._registry[test_class] = {}
 
+        cls._registry[test_class][tag_key] = tag_value
 
-def skip_if(predicate, reason):
-    def __inner_skip(orig_class):
-        setattr(orig_class, "__tag_skip", True)
-        setattr(orig_class, "__tag_skip_reason", reason)
+    @classmethod
+    def has(cls, test_class: Type, tag_key: str) -> bool:
+        """Check if a class has specific tag type
 
-        def __init__(self, *args_, **kwargs_):
-            pass
+        Args:
+            test_class: The test class to check
+            tag_key: Type of tag object to check for
 
-        # Ignore initialization of skipped modules
-        orig_class.__init__ = __init__
+        Returns:
+            bool: True if the tag exists, False otherwise
+        """
+        return test_class in cls._registry and tag_key in cls._registry[test_class]
 
-        return orig_class
+    @classmethod
+    def get(cls, test_class: Type, tag_key: str, default: Any = None) -> Any:
+        """Get tag object for a class
 
-    if predicate:
-        return __inner_skip
-    else:
-        return lambda x: x
+        Args:
+            test_class: The test class to get tag from
+            tag_key: Type of tag object to retrieve
+            default: Default value to return if tag not found
 
+        Returns:
+            The tag object or default if not found
+        """
+        return cls._registry.get(test_class, {}).get(tag_key, default)
 
-def test_without_inference(orig_class):
-    setattr(orig_class, "__tag_test_without_inference", True)
-    return orig_class
 
+####################################################################
+##################        Add tag here            ##################
+####################################################################
 
-def test_without_pt2(orig_class):
-    setattr(orig_class, "__tag_test_without_pt2", True)
-    return orig_class
 
+def skip(reason):
+    """
+    Mark a test class to be skipped with a reason
 
-def test_negative(expected_err):
-    def __inner_test_negative(orig_class):
-        setattr(orig_class, "__tag_test_negative", True)
-        setattr(orig_class, "__tag_expected_err", expected_err)
+    e.g.
+      @skip(reason="Not implemented yet")
+      class MyTest(unittest.TestCase): # <-- This test will be skipped
+    """
 
-        return orig_class
+    def decorator(cls):
+        TestTag.add(cls, "skip", {"reason": reason})
+        return cls
 
-    return __inner_test_negative
+    return decorator
 
 
-def target(orig_class):
-    setattr(orig_class, "__tag_target", True)
-    return orig_class
+def skip_if(predicate, reason):
+    """Conditionally mark a test class to be skipped with a reason"""
+    if predicate:
+        return skip(reason)
+    return lambda cls: cls
 
 
-def use_onert(orig_class):
-    """
-    Decorator to mark a test class so that Circle models are executed
-     with the 'onert' runtime.
+def test_negative(expected_err):
+    """Mark a test class as negative test case with expected error"""
 
-    Useful when the default 'circle-interpreter' cannot run the model
-     under test.
-    """
-    setattr(orig_class, "__tag_use_onert", True)
-    return orig_class
+    def decorator(cls):
+        TestTag.add(cls, "test_negative", {"expected_err": expected_err})
+        return cls
+
+    return decorator
 
 
-def init_args(*args, **kwargs):
-    def __inner_init_args(orig_class):
-        orig_init = orig_class.__init__
-        # Make copy of original __init__, so we can call it without recursion
+def target(cls):
+    """Mark a test class as target test case"""
+    TestTag.add(cls, "target")
+    return cls
 
-        def __init__(self, *args_, **kwargs_):
-            args_ = (*args, *args_)
-            kwargs_ = {**kwargs, **kwargs_}
 
-            orig_init(self, *args_, **kwargs_)  # Call the original __init__
+def use_onert(cls):
+    """Mark a test class to use ONERT runtime"""
+    TestTag.add(cls, "use_onert")
+    return cls
 
-        orig_class.__init__ = __init__
-        return orig_class
 
-    return __inner_init_args
+def test_without_pt2(cls):
+    """Mark a test class to not convert along pt2 during test execution"""
+    TestTag.add(cls, "test_without_pt2")
+    return cls
 
 
-def is_tagged(cls, tag: str):
-    return hasattr(cls, f"__tag_{tag}")
+def test_without_inference(cls):
+    """Mark a test class to not run inference during test execution"""
+    TestTag.add(cls, "test_without_inference")
+    return cls