Arm backend: Refactor Quantizer test to allow for TOSA 1.0 (#10905)

### Summary
Update quantizer unit tests to use the new test infrastructure pipeline.

Author: SaoirseARM

backends/arm/test/quantizer/test_generic_annotater.py

@@ -1,18 +1,21 @@
-# Copyright 2024 Arm Limited and/or its affiliates.
-# All rights reserved.
+# Copyright 2024-2025 Arm Limited and/or its affiliates.
 #
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 import itertools
-import unittest
+
+from typing import Tuple
 
 import torch
 from executorch.backends.arm.quantizer import is_annotated
-from executorch.backends.arm.test import common
-from executorch.backends.arm.test.tester.arm_tester import ArmTester
+from executorch.backends.arm.test.tester.test_pipeline import TosaPipelineBI
+
 from torch.fx.passes.utils.source_matcher_utils import get_source_partitions
 
 
+input_t1 = Tuple[torch.Tensor]  # Input x
+
+
 class SingleOpModel(torch.nn.Module):
     def __init__(self, op, example_input, **op_kwargs) -> None:
         super().__init__()
@@ -27,69 +30,74 @@ def example_inputs(self):
         return self._example_input
 
 
-class TestGenericAnnotator(unittest.TestCase):
-    def check_annotation(self, model):
-        tester = ArmTester(
-            model,
-            model.example_inputs(),
-            common.get_tosa_compile_spec("TOSA-0.80+BI"),
-        )
-        quant_model = tester.quantize().get_artifact()
-        partitions = get_source_partitions(quant_model.graph, [model.op])
-        partitions = list(itertools.chain.from_iterable(partitions.values()))
-
-        assert len(partitions) == 1
-        partition = partitions[0]
-        assert all(is_annotated(node) for node in partition.nodes)
-
-    def test_squeeze(self):
-        self.check_annotation(SingleOpModel(torch.squeeze, (torch.rand(8, 8, 1),)))
-        self.check_annotation(SingleOpModel(torch.squeeze_copy, (torch.rand(8, 8, 1),)))
-
-    def test_unsqueeze(self):
-        self.check_annotation(
-            SingleOpModel(torch.unsqueeze, (torch.rand(8, 8),), dim=0)
-        )
-        self.check_annotation(
-            SingleOpModel(torch.unsqueeze_copy, (torch.rand(8, 8),), dim=0)
-        )
-
-    def test_reshape(self):
-        self.check_annotation(
-            SingleOpModel(torch.reshape, (torch.randn(8, 8),), shape=(64,)),
-        )
-
-    def test_view(self):
-        self.check_annotation(
-            SingleOpModel(torch.view_copy, (torch.randn(4, 4),), size=(2, 8)),
-        )
-
-    def test_slice(self):
-        self.check_annotation(
-            SingleOpModel(torch.slice_copy, (torch.randn(3, 4),)),
-        )
-
-    def test_transpose(self):
-        self.check_annotation(
-            SingleOpModel(torch.transpose, (torch.randn(2, 3),), dim0=0, dim1=1),
-        )
-        self.check_annotation(
-            SingleOpModel(torch.transpose_copy, (torch.randn(2, 3),), dim0=0, dim1=1),
-        )
-
-    def test_tile(self):
-        self.check_annotation(
-            SingleOpModel(torch.tile, (torch.randn(4, 4),), dims=(2,)),
-        )
-
-    def test_flip(self):
-        self.check_annotation(
-            SingleOpModel(torch.flip, (torch.randn(2, 4),), dims=(0, 1)),
-        )
-
-    def test_concat(self):
-        self.check_annotation(
-            SingleOpModel(
-                torch.concatenate, ((torch.randn(2, 3), torch.randn(2, 3)),), dim=0
-            ),
-        )
+def check_annotation(model):
+    pipeline = TosaPipelineBI[input_t1](model, model.example_inputs(), [], [])
+    pipeline.pop_stage("check_count.exir")
+    pipeline.pop_stage("run_method_and_compare_outputs")
+    pipeline.run()
+
+    artifact = pipeline.tester.get_artifact("Quantize")
+
+    partitions = get_source_partitions(artifact.graph, [model.op])
+    partitions = list(itertools.chain.from_iterable(partitions.values()))
+
+    assert len(partitions) == 1
+    partition = partitions[0]
+    assert all(is_annotated(node) for node in partition.nodes)
+
+
+def test_squeeze():
+    check_annotation(SingleOpModel(torch.squeeze, (torch.rand(8, 8, 1),)))
+    check_annotation(SingleOpModel(torch.squeeze_copy, (torch.rand(8, 8, 1),)))
+
+
+def test_unsqueeze():
+    check_annotation(SingleOpModel(torch.unsqueeze, (torch.rand(8, 8),), dim=0))
+    check_annotation(SingleOpModel(torch.unsqueeze_copy, (torch.rand(8, 8),), dim=0))
+
+
+def test_reshape():
+    check_annotation(
+        SingleOpModel(torch.reshape, (torch.randn(8, 8),), shape=(64,)),
+    )
+
+
+def test_view():
+    check_annotation(
+        SingleOpModel(torch.view_copy, (torch.randn(4, 4),), size=(2, 8)),
+    )
+
+
+def test_slice():
+    check_annotation(
+        SingleOpModel(torch.slice_copy, (torch.randn(3, 4),)),
+    )
+
+
+def test_transpose():
+    check_annotation(
+        SingleOpModel(torch.transpose, (torch.randn(2, 3),), dim0=0, dim1=1),
+    )
+    check_annotation(
+        SingleOpModel(torch.transpose_copy, (torch.randn(2, 3),), dim0=0, dim1=1),
+    )
+
+
+def test_tile():
+    check_annotation(
+        SingleOpModel(torch.tile, (torch.randn(4, 4),), dims=(2,)),
+    )
+
+
+def test_flip():
+    check_annotation(
+        SingleOpModel(torch.flip, (torch.randn(2, 4),), dims=(0, 1)),
+    )
+
+
+def test_concat():
+    check_annotation(
+        SingleOpModel(
+            torch.concatenate, ((torch.randn(2, 3), torch.randn(2, 3)),), dim=0
+        ),
+    )