chore: import upstream snapshot with attribution

tests/core/test_config_utils.py

@@ -0,0 +1,137 @@
+# Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from dataclasses import dataclass
+from typing import Any
+
+import lightning.pytorch as ptl
+import pytest
+from lightning.pytorch.callbacks.early_stopping import EarlyStopping
+
+from nemo.core.config.pytorch_lightning import TrainerConfig
+from nemo.utils import config_utils
+from nemo.utils.exp_manager import EarlyStoppingParams
+
+
+@pytest.fixture()
+def cls():
+    class DummyClass:
+        def __init__(self, a, b=5, c: int = 0, d: 'ABC' = None):
+            pass
+
+    return DummyClass
+
+
+class TestConfigUtils:
+    @pytest.mark.unit
+    def test_all_args_exist(self, cls):
+        @dataclass
+        class DummyDataClass:
+            a: int = -1
+            b: int = 5
+            c: int = 0
+            d: Any = None
+
+        result = config_utils.assert_dataclass_signature_match(cls, DummyDataClass)
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert signatures_match
+        assert cls_subset is None
+        assert dataclass_subset is None
+
+    @pytest.mark.unit
+    def test_all_args_dont_exist(self, cls):
+        @dataclass
+        class DummyDataClass:
+            a: int = -1
+            b: int = 5
+            c: int = 0
+
+        result = config_utils.assert_dataclass_signature_match(cls, DummyDataClass)
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert not signatures_match
+        assert len(cls_subset) > 0
+        assert len(dataclass_subset) == 0
+
+    @pytest.mark.unit
+    def test_extra_args_exist(self, cls):
+        @dataclass
+        class DummyDataClass:
+            a: int = -1
+            b: int = 5
+            c: int = 0
+            d: Any = None
+            e: float = 0.0
+
+        result = config_utils.assert_dataclass_signature_match(cls, DummyDataClass)
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert not signatures_match
+        assert len(cls_subset) == 0
+        assert len(dataclass_subset) > 0
+
+    @pytest.mark.unit
+    def test_extra_args_exist_but_is_ignored(self, cls):
+        @dataclass
+        class DummyDataClass:
+            a: int = -1
+            b: int = 5
+            c: int = 0
+            d: Any = None
+            e: float = 0.0  # Assume ignored
+
+        result = config_utils.assert_dataclass_signature_match(cls, DummyDataClass, ignore_args=['e'])
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert signatures_match
+        assert cls_subset is None
+        assert dataclass_subset is None
+
+    @pytest.mark.unit
+    def test_args_exist_but_is_remapped(self, cls):
+        @dataclass
+        class DummyDataClass:
+            a: int = -1
+            b: int = 5
+            c: int = 0
+            e: Any = None  # Assume remapped
+
+        result = config_utils.assert_dataclass_signature_match(cls, DummyDataClass, remap_args={'e': 'd'})
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert signatures_match
+        assert cls_subset is None
+        assert dataclass_subset is None
+
+    @pytest.mark.unit
+    def test_ptl_config(self):
+        PTL_DEPRECATED = []
+        result = config_utils.assert_dataclass_signature_match(ptl.Trainer, TrainerConfig, PTL_DEPRECATED)
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert signatures_match
+        assert cls_subset is None
+        assert dataclass_subset is None
+
+    @pytest.mark.unit
+    def test_early_stopping_config(
+        self,
+    ):
+        result = config_utils.assert_dataclass_signature_match(EarlyStopping, EarlyStoppingParams)
+        signatures_match, cls_subset, dataclass_subset = result
+
+        assert signatures_match
+        assert cls_subset is None
+        assert dataclass_subset is None