Merge branch 'release/26.04' into setppc-presolve

Author: aliceb-nv

ci/test_wheel_cuopt.sh

@@ -77,4 +77,6 @@ timeout 30m ./ci/run_cuopt_pytests.sh --verbose --capture=no
 if [[ "${RAPIDS_BUILD_TYPE}" == "nightly" ]]; then
     ./ci/thirdparty-testing/run_jump_tests.sh
     ./ci/thirdparty-testing/run_cvxpy_tests.sh
+    ./ci/thirdparty-testing/run_pulp_tests.sh
+    ./ci/thirdparty-testing/run_pyomo_tests.sh
 fi

ci/thirdparty-testing/run_pulp_tests.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+set -e -u -o pipefail
+
+rapids-logger "building 'pulp' from source and running cuOpt tests"
+
+if [ -z "${PIP_CONSTRAINT:-}" ]; then
+    rapids-logger "PIP_CONSTRAINT is not set; ensure ci/test_wheel_cuopt.sh (or equivalent) has set it so cuopt wheels are used."
+    exit 1
+fi
+
+git clone --depth 1 https://github.com/coin-or/pulp.git
+pushd ./pulp || exit 1
+
+# Install PuLP in editable form so it uses the environment's cuopt (from PIP_CONSTRAINT)
+python -m pip install \
+    --constraint "${PIP_CONSTRAINT}" \
+    --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple \
+    pytest \
+    -e .
+
+pip check
+
+rapids-logger "running PuLP tests (cuOpt-related)"
+# PuLP uses pytest; run only tests that reference cuopt/CUOPT
+# Exit code 5 = no tests collected; then try run_tests.py which detects solvers (including cuopt)
+pytest_rc=0
+timeout 5m python -m pytest \
+    --verbose \
+    --capture=no \
+    -k "cuopt or CUOPT" \
+    pulp/tests/ || pytest_rc=$?
+
+if [ "$pytest_rc" -eq 5 ]; then
+    rapids-logger "No pytest -k cuopt tests found; running PuLP run_tests.py (solver auto-detection, includes cuopt)"
+    timeout 5m python pulp/tests/run_tests.py
+    pytest_rc=$?
+fi
+
+popd || exit 1
+exit "$pytest_rc"

ci/thirdparty-testing/run_pyomo_tests.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+set -e -u -o pipefail
+
+rapids-logger "building 'pyomo' from source and running cuOpt tests"
+
+if [ -z "${PIP_CONSTRAINT:-}" ]; then
+    rapids-logger "PIP_CONSTRAINT is not set; ensure ci/test_wheel_cuopt.sh (or equivalent) has set it so cuopt wheels are used."
+    exit 1
+fi
+
+git clone --depth 1 https://github.com/Pyomo/pyomo.git
+pushd ./pyomo || exit 1
+
+# Install Pyomo in editable form so it uses the environment's cuopt (from PIP_CONSTRAINT)
+python -m pip install \
+    --constraint "${PIP_CONSTRAINT}" \
+    --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple \
+    pytest \
+    -e .
+
+pip check
+
+rapids-logger "running Pyomo tests (cuopt_direct / cuOpt-related)"
+# Run only tests that reference cuopt (cuopt_direct solver)
+timeout 5m python -m pytest \
+    --verbose \
+    --capture=no \
+    -k "cuopt or CUOPT" \
+    pyomo/solvers/tests/
+
+popd || exit 1