Support Unsqueeze-13, Squeeze-13 in MO (#13391)

src/frontends/onnx/tests/models/squeeze_default_domain_opset13.prototxt

@@ -0,0 +1,78 @@
+
+ir_version: 8
+producer_name: "onnx-importer-test"
+graph {
+  node {
+    output: "AXIS"
+    op_type: "Constant"
+    attribute {
+      name: "value"
+      t {
+        dims: 1
+        data_type: 6
+        int32_data: 0
+        name: "const_tensor"
+      }
+      type: TENSOR
+    }
+  }
+  node {
+    input: "X"
+    input: "AXIS"
+    output: "Y"
+    op_type: "Squeeze"
+  }
+  name: "test-model-unsqueeze"
+  input {
+    name: "X"
+    type {
+      tensor_type {
+        elem_type: 1
+        shape {
+          dim {
+            dim_value: 1
+          }
+          dim {
+            dim_value: 4
+          }
+          dim {
+            dim_value: 5
+          }
+        }
+      }
+    }
+  }
+  input {
+    name: "AXIS"
+    type {
+      tensor_type {
+        elem_type: 6
+        shape {
+          dim {
+            dim_value: 1
+          }
+        }
+      }
+    }
+  }
+  output {
+    name: "Y"
+    type {
+      tensor_type {
+        elem_type: 1
+        shape {
+          dim {
+            dim_value: 4
+          }
+          dim {
+            dim_value: 5
+          }
+        }
+      }
+    }
+  }
+}
+opset_import {
+  domain: "ai.onnx"
+  version: 13
+}

src/frontends/onnx/tests/onnx_import.in.cpp

@@ -6062,3 +6062,19 @@ NGRAPH_TEST(${BACKEND_NAME}, onnx_is_nan) {
 
     // clang-format on
 }
+
+NGRAPH_TEST(${BACKEND_NAME}, onnx_model_squeeze_default_domain_opset13) {
+    auto function = onnx_import::import_onnx_model(file_util::path_join(CommonTestUtils::getExecutableDirectory(),
+                                                                        SERIALIZED_ZOO,
+                                                                        "onnx/squeeze_default_domain_opset13.onnx"));
+
+    auto input =
+        test::NDArray<float, 3>({{{1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}}}).get_vector();
+    auto expected_output =
+        test::NDArray<float, 2>({{1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}, {1, 1, 1, 1, 1}}).get_vector();
+
+    auto test_case = test::TestCase(function, s_device);
+    test_case.add_input(input);
+    test_case.add_expected_output(expected_output);
+    test_case.run();
+}

tools/mo/unit_tests/mo/front/onnx/unsqueeze_ext_test.py

@@ -17,6 +17,13 @@ from unit_tests.utils.extractors import PB
 class TestUnsqueezeONNXExt(unittest.TestCase):
     @staticmethod
     def _create_unsqueeze_node(axes):
+        if axes is None:
+            pb = onnx.helper.make_node(
+                'Unsqueeze',
+                inputs=['x'],
+                outputs=['y'],
+            )
+        else:
             pb = onnx.helper.make_node(
                 'Unsqueeze',
                 inputs=['x'],
@@ -31,7 +38,7 @@ class TestUnsqueezeONNXExt(unittest.TestCase):
     def setUpClass(cls):
         Op.registered_ops['Unsqueeze'] = Unsqueeze
 
-    @generate(*[[0, 1, 2, 3], [1]])
+    @generate(*[[0, 1, 2, 3], [1], []])
     def test_unsqueeze_ext(self, axes):
         node = self._create_unsqueeze_node(axes)
         UnsqueezeFrontExtractor.extract(node)