Test Geti integration (#4188)

* geti interaction sketch

* test model meta data

* mapi inference

* code quality and rename

* replace data, support all cls tasks

* reformat configs

* fix comments

* mapi model construct

Author: Evgeny Tsykunov

tests/assets/geti_config_arrow/classification/h_label_cls/config.json

@@ -0,0 +1,208 @@
+# Copyright (C) 2025 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import annotations
+
+import shutil
+import zipfile
+from pathlib import Path
+from tempfile import TemporaryDirectory
+from typing import TYPE_CHECKING, Any
+
+import cv2
+import pytest
+from model_api.models import Model
+from otx.core.data.module import OTXDataModule
+from otx.core.model.base import OTXModel
+from otx.core.types.export import OTXExportFormatType
+from otx.core.types.precision import OTXPrecisionType
+from otx.core.types.task import OTXTaskType
+from otx.tools.converter import ConfigConverter
+
+if TYPE_CHECKING:
+    from otx.engine.engine import Engine
+
+TEST_PATH = Path(__file__).parent.parent.parent
+DEFAULT_GETI_CONFIG_PER_TASK = {
+    OTXTaskType.MULTI_CLASS_CLS: TEST_PATH / "assets" / "geti_config_arrow" / "classification" / "multi_class_cls",
+    OTXTaskType.MULTI_LABEL_CLS: TEST_PATH / "assets" / "geti_config_arrow" / "classification" / "multi_label_cls",
+    OTXTaskType.H_LABEL_CLS: TEST_PATH / "assets" / "geti_config_arrow" / "classification" / "h_label_cls",
+}
+
+
+def unzip_exportable_code(
+    work_dir: Path,
+    exported_path: Path,
+    dst_dir: Path,
+) -> Path:
+    """
+    Unzip exportable code.
+    Copied from Geti.
+    """
+    with zipfile.ZipFile(exported_path, mode="r") as zfp, TemporaryDirectory(prefix=str(work_dir)) as tmpdir:
+        zfp.extractall(tmpdir)
+        dirpath = Path(tmpdir)
+
+        shutil.move(dirpath / "model" / "model.xml", dst_dir / "exported_model.xml")
+        shutil.move(dirpath / "model" / "model.bin", dst_dir / "exported_model.bin")
+
+    shutil.move(exported_path, dst_dir / exported_path.name)
+
+
+class TestEngineAPI:
+    def __init__(
+        self,
+        tmp_path: Path,
+        geti_config_path: Path,
+        arrow_file_path: Path,
+        image_path: Path,
+    ):
+        self.tmp_path = tmp_path
+        self.geti_config_path = geti_config_path
+        self.arrow_file_path = arrow_file_path
+        self.otx_config = self._convert_config()
+        self.engine, self.train_kwargs = self._instantiate_engine()
+        self.image = cv2.imread(str(image_path))
+
+    def _convert_config(self) -> dict:
+        otx_config = ConfigConverter.convert(config_path=self.geti_config_path)
+        otx_config["data"]["data_format"] = "arrow"
+        otx_config["data"]["train_subset"]["subset_name"] = "TRAINING"
+        otx_config["data"]["val_subset"]["subset_name"] = "VALIDATION"
+        otx_config["data"]["test_subset"]["subset_name"] = "TESTING"
+        return otx_config
+
+    def _instantiate_engine(self) -> tuple[Engine, dict[str, Any]]:
+        return ConfigConverter.instantiate(
+            config=self.otx_config,
+            work_dir=self.tmp_path,
+            data_root=self.arrow_file_path,
+        )
+
+    def test_model_and_data_module(self):
+        """Test the instance type of the model and the datamodule."""
+        assert isinstance(self.engine.model, OTXModel)
+        assert isinstance(self.engine.datamodule, OTXDataModule)
+
+    def test_training(self):
+        """Test the training process."""
+        max_epochs = 2
+        self.train_kwargs["max_epochs"] = max_epochs
+        train_metric = self.engine.train(**self.train_kwargs)
+        assert len(train_metric) > 0
+        assert self.engine.checkpoint
+
+    def test_predictions(self):
+        """Test the prediction process. This is way to check that the model is valid."""
+        predictions = self.engine.predict()
+        assert predictions is not None
+        assert len(predictions) > 0
+
+    def test_export_and_infer_onnx(self):
+        """Test exporting the model to ONNX."""
+        for precision in [OTXPrecisionType.FP16, OTXPrecisionType.FP32]:
+            exported_path = self.engine.export(
+                export_format=OTXExportFormatType.ONNX,
+                export_precision=precision,
+                explain=(precision == OTXPrecisionType.FP32),
+                export_demo_package=False,
+            )
+            export_dir = exported_path.parent
+            assert export_dir.exists()
+
+            # Test Model API
+            onnx_path = export_dir / "exported_model.onnx"
+            mapi_model = Model.create_model(onnx_path)
+            assert mapi_model is not None
+
+            predictions = mapi_model(self.image)
+            assert predictions is not None
+            assert len(predictions.top_labels) > 0
+
+            exported_path.unlink(missing_ok=True)
+
+    def test_export_and_infer_openvino(self):
+        """Test exporting the model to OpenVINO."""
+        for precision in [OTXPrecisionType.FP16, OTXPrecisionType.FP32]:
+            exported_path = self.engine.export(
+                export_format=OTXExportFormatType.OPENVINO,
+                export_precision=precision,
+                explain=(precision == OTXPrecisionType.FP32),
+                export_demo_package=True,
+            )
+            export_dir = exported_path.parent
+            assert export_dir.exists()
+
+            # Test Model API
+            ov_export_dir = self.tmp_path / "ov_export"
+            ov_export_dir.mkdir(parents=True, exist_ok=True)
+            unzip_exportable_code(
+                work_dir=self.tmp_path,
+                exported_path=exported_path,
+                dst_dir=ov_export_dir,
+            )
+            xml_path = ov_export_dir / "exported_model.xml"
+            mapi_model = Model.create_model(xml_path)
+            assert mapi_model is not None
+
+            predictions = mapi_model(self.image)
+            assert predictions is not None
+            assert len(predictions.top_labels) > 0
+
+            exported_path.unlink(missing_ok=True)
+
+    def test_optimize_and_infer_openvino_fp32(self):
+        """Test optimizing the OpenVINO model with FP32 precision."""
+        fp32_export_dir = self.tmp_path / "fp32_export"
+        fp32_export_dir.mkdir(parents=True, exist_ok=True)
+        exported_path = self.engine.export(
+            export_format=OTXExportFormatType.OPENVINO,
+            export_precision=OTXPrecisionType.FP32,
+            explain=True,
+            export_demo_package=True,
+        )
+        unzip_exportable_code(
+            work_dir=self.tmp_path,
+            exported_path=exported_path,
+            dst_dir=fp32_export_dir,
+        )
+        optimized_path = self.engine.optimize(
+            checkpoint=fp32_export_dir / "exported_model.xml",
+            export_demo_package=True,
+        )
+        assert optimized_path.exists()
+
+        # Test Model API
+        ov_optimized_dir = self.tmp_path / "ov_optimize"
+        ov_optimized_dir.mkdir(parents=True, exist_ok=True)
+        unzip_exportable_code(
+            work_dir=self.tmp_path,
+            exported_path=optimized_path,
+            dst_dir=ov_optimized_dir,
+        )
+        xml_path = ov_optimized_dir / "exported_model.xml"
+        mapi_model = Model.create_model(xml_path)
+        assert mapi_model is not None
+
+        predictions = mapi_model(self.image)
+        assert predictions is not None
+        assert len(predictions.top_labels) > 0
+
+
+@pytest.mark.parametrize("task", pytest.TASK_LIST)
+def test_engine_api(task: OTXTaskType, tmp_path: Path):
+    if task not in DEFAULT_GETI_CONFIG_PER_TASK:
+        pytest.skip("Only the Geti Tasks are tested to reduce unnecessary resource waste.")
+
+    config_arrow_path = DEFAULT_GETI_CONFIG_PER_TASK[task]
+    geti_config_path = config_arrow_path / "config.json"
+    arrow_file_path = config_arrow_path / "datum-0-of-1.arrow"
+    image_path = config_arrow_path / "image.jpg"
+
+    tester = TestEngineAPI(tmp_path, geti_config_path, arrow_file_path, image_path)
+    tester.test_model_and_data_module()
+    tester.test_training()
+    tester.test_predictions()
+    tester.test_export_and_infer_onnx()
+    tester.test_export_and_infer_openvino()
+    tester.test_optimize_and_infer_openvino_fp32()