Move test_compute_matrix_product.py to cpp/tests (#1836)

Follow-up to #1812 (comment)

Authors:
  - Kyle Edwards (https://github.com/KyleFromNVIDIA)

Approvers:
  - James Lamb (https://github.com/jameslamb)
  - Divye Gala (https://github.com/divyegala)

URL: #1836

Author: KyleFromNVIDIA

.pre-commit-config.yaml

@@ -31,7 +31,8 @@ repos:
                 additional_dependencies: [types-cachetools]
                 args: ["--config-file=pyproject.toml",
                        "python/cuvs/cuvs",
-                       "cpp/cmake/modules"]
+                       "cpp/cmake/modules",
+                       "cpp/tests/python"]
                 pass_filenames: false
       - repo: https://github.com/PyCQA/pydocstyle
         rev: 6.1.1

ci/test_cpp.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# SPDX-FileCopyrightText: Copyright (c) 2022-2025, NVIDIA CORPORATION.
+# SPDX-FileCopyrightText: Copyright (c) 2022-2026, NVIDIA CORPORATION.
 # SPDX-License-Identifier: Apache-2.0
 
 set -euo pipefail
@@ -43,9 +43,15 @@ EXITCODE=0
 trap "EXITCODE=1" ERR
 set +e
 
+# Run Python build utilities tests
+rapids-logger "Run libcuvs Python build utilities tests"
+pytest cpp/tests/python
+
 # Run libcuvs gtests from libcuvs-tests package
-cd "$CONDA_PREFIX"/bin/gtests/libcuvs
+rapids-logger "Run libcuvs tests"
+pushd "$CONDA_PREFIX"/bin/gtests/libcuvs
 ctest -j8 --output-on-failure
+popd
 
 rapids-logger "Test script exiting with value: $EXITCODE"
 exit ${EXITCODE}

…uvs/tests/test_compute_matrix_product.py …ts/python/test_compute_matrix_product.pypython/cuvs/cuvs/tests/test_compute_matrix_product.py renamed to cpp/tests/python/test_compute_matrix_product.py python/cuvs/cuvs/tests/test_compute_matrix_product.py renamed to cpp/tests/python/test_compute_matrix_product.py

@@ -17,7 +17,7 @@
 compute_matrix_product_script = runpy.run_path(
     str(
         pathlib.Path(__file__).parent
-        / "../../../../cpp/cmake/modules/compute_matrix_product.py"
+        / "../../cmake/modules/compute_matrix_product.py"
     )
 )
 

dependencies.yaml

@@ -382,6 +382,7 @@ dependencies:
         packages:
           - *cmake_ver
           - openblas
+          - &pytest pytest<9.0.0
   docs:
     common:
       - output_types: [conda]
@@ -444,7 +445,7 @@ dependencies:
     common:
       - output_types: [conda, requirements, pyproject]
         packages:
-          - pytest<9.0.0
+          - *pytest
           - pytest-cov
   test_py_cuvs:
     common: