1 files changed, 33 insertions, 0 deletions
diff --git a/tests/test_nn_rewrite_core_utils.py b/tests/test_nn_rewrite_core_utils.py
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+++ b/tests/test_nn_rewrite_core_utils.py
@@ -0,0 +1,33 @@
+# SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Tests for module mlia.nn.rewrite.utils."""
+from pathlib import Path
+
+import pytest
+import tensorflow as tf
+from tensorflow.lite.python.schema_py_generated import ModelT
+
+from mlia.nn.rewrite.core.utils.utils import load
+from mlia.nn.rewrite.core.utils.utils import save
+from tests.utils.rewrite import models_are_equal
+
+
+def test_load_save(test_tflite_model: Path, tmp_path: Path) -> None:
+    """Test the load/save functions for TensorFlow Lite models."""
+    with pytest.raises(FileNotFoundError):
+        load("THIS_IS_NOT_A_REAL_FILE")
+
+    model = load(test_tflite_model)
+    assert isinstance(model, ModelT)
+    assert model.subgraphs
+
+    output_file = tmp_path / "test.tflite"
+    assert not output_file.is_file()
+    save(model, output_file)
+    assert output_file.is_file()
+
+    model_copy = load(str(output_file))
+    assert models_are_equal(model, model_copy)
+
+    # Double check that the TensorFlow Lite Interpreter can still load the file.
+    tf.lite.Interpreter(model_path=str(output_file))