Move model building function to test_onnx_utils

Signed-off-by: gcunhase <[email protected]>

Author: gcunhase

tests/unit/onnx/test_onnx_utils.py

@@ -18,7 +18,6 @@
 import numpy as np
 import onnx
 import pytest
-from _test_utils.onnx_quantization.lib_test_models import build_matmul_relu_model
 from _test_utils.torch_model.vision_models import get_tiny_resnet_and_input
 from onnx.helper import (
     make_graph,
@@ -257,8 +256,67 @@ def test_remove_node_extra_training_outputs():
     assert "saved_inv_std" not in value_info_names
 
 
+def _make_matmul_relu_model(ir_version=12):
+    # Define your model inputs and outputs
+    input_names = ["input_0"]
+    output_names = ["output_0"]
+    input_shapes = [(1, 1024, 1024)]
+    output_shapes = [(1, 1024, 16)]
+
+    inputs = [
+        make_tensor_value_info(input_name, onnx.TensorProto.FLOAT, input_shape)
+        for input_name, input_shape in zip(input_names, input_shapes)
+    ]
+    outputs = [
+        make_tensor_value_info(output_name, onnx.TensorProto.FLOAT, output_shape)
+        for output_name, output_shape in zip(output_names, output_shapes)
+    ]
+
+    # Create the ONNX graph with the nodes
+    nodes = [
+        make_node(
+            op_type="MatMul",
+            inputs=["input_0", "weights_1"],
+            outputs=["matmul1_matmul/MatMul:0"],
+            name="matmul1_matmul/MatMul",
+        ),
+        make_node(
+            op_type="Relu",
+            inputs=["matmul1_matmul/MatMul:0"],
+            outputs=["output_0"],
+            name="relu1_relu/Relu",
+        ),
+    ]
+
+    # Create the ONNX initializers
+    initializers = [
+        make_tensor(
+            name="weights_1",
+            data_type=onnx.TensorProto.FLOAT,
+            dims=(1024, 16),
+            vals=np.random.uniform(low=0.5, high=1.0, size=1024 * 16),
+        ),
+    ]
+
+    # Create the ONNX graph with the nodes and initializers
+    graph = make_graph(
+        nodes, f"matmul_relu_ir_{ir_version}", inputs, outputs, initializer=initializers
+    )
+
+    # Create the ONNX model
+    model = make_model(graph)
+    model.opset_import[0].version = 13
+    model.ir_version = ir_version
+
+    # Check the ONNX model
+    model_inferred = onnx.shape_inference.infer_shapes(model)
+    onnx.checker.check_model(model_inferred)
+
+    return model_inferred
+
+
 def test_ir_version_support(tmp_path):
-    model = build_matmul_relu_model(ir_version=12)
+    model = _make_matmul_relu_model(ir_version=12)
     model_path = os.path.join(tmp_path, "test_matmul_relu.onnx")
     onnx.save(model, model_path)
     model_reload, _, _, _, _ = load_onnx_model(model_path, intermediate_generated_files=[])