1 files changed, 86 insertions, 0 deletions
diff --git a/tests/test_backend_tosa_compat.py b/tests/test_backend_tosa_compat.py
new file mode 100644
index 0000000..4c4dc5a
--- /dev/null
+++ b/tests/test_backend_tosa_compat.py
@@ -0,0 +1,86 @@
+# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Tests for TOSA compatibility."""
+from __future__ import annotations
+
+from pathlib import Path
+from types import SimpleNamespace
+from typing import Any
+from unittest.mock import MagicMock
+
+import pytest
+
+from mlia.backend.tosa_checker.compat import get_tosa_compatibility_info
+from mlia.backend.tosa_checker.compat import Operator
+from mlia.backend.tosa_checker.compat import TOSACompatibilityInfo
+
+
+def replace_get_tosa_checker_with_mock(
+    monkeypatch: pytest.MonkeyPatch, mock: MagicMock | None
+) -> None:
+    """Replace TOSA checker with mock."""
+    monkeypatch.setattr(
+        "mlia.backend.tosa_checker.compat.get_tosa_checker",
+        MagicMock(return_value=mock),
+    )
+
+
+def test_compatibility_check_should_fail_if_checker_not_available(
+    monkeypatch: pytest.MonkeyPatch, test_tflite_model: Path
+) -> None:
+    """Test that compatibility check should fail if TOSA checker is not available."""
+    replace_get_tosa_checker_with_mock(monkeypatch, None)
+
+    with pytest.raises(Exception, match="TOSA checker is not available"):
+        get_tosa_compatibility_info(test_tflite_model)
+
+
+@pytest.mark.parametrize(
+    "is_tosa_compatible, operators, expected_result",
+    [
+        [
+            True,
+            [],
+            TOSACompatibilityInfo(True, []),
+        ],
+        [
+            True,
+            [
+                SimpleNamespace(
+                    location="op_location",
+                    name="op_name",
+                    is_tosa_compatible=True,
+                )
+            ],
+            TOSACompatibilityInfo(True, [Operator("op_location", "op_name", True)]),
+        ],
+        [
+            False,
+            [
+                SimpleNamespace(
+                    location="op_location",
+                    name="op_name",
+                    is_tosa_compatible=False,
+                )
+            ],
+            TOSACompatibilityInfo(False, [Operator("op_location", "op_name", False)]),
+        ],
+    ],
+)
+def test_get_tosa_compatibility_info(
+    monkeypatch: pytest.MonkeyPatch,
+    test_tflite_model: Path,
+    is_tosa_compatible: bool,
+    operators: Any,
+    expected_result: TOSACompatibilityInfo,
+) -> None:
+    """Test getting TOSA compatibility information."""
+    mock_checker = MagicMock()
+    mock_checker.is_tosa_compatible.return_value = is_tosa_compatible
+    mock_checker._get_tosa_compatibility_for_ops.return_value = (  # pylint: disable=protected-access
+        operators
+    )
+
+    replace_get_tosa_checker_with_mock(monkeypatch, mock_checker)
+
+    assert get_tosa_compatibility_info(test_tflite_model) == expected_result