add front end tests to ci

Author: ncclementi

.github/workflows/pr.yaml

@@ -15,6 +15,7 @@ jobs:
       - checks
       - conda-python-build
       - conda-python-tests
+      - conda-frontend-tests
       - wheel-build
       - wheel-tests
     secrets: inherit
@@ -40,6 +41,14 @@ jobs:
       # This selects "ARCH=amd64 + the latest supported Python".
       matrix_filter: map(select(.ARCH == "amd64")) | max_by([(.PY_VER|split(".")|map(tonumber))]) | [.]
       script: ci/test_python.sh
+  conda-frontend-tests:
+    needs: conda-python-build
+    secrets: inherit
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-25.10
+    with:
+      build_type: pull-request
+      matrix_filter: map(select(.ARCH == "amd64")) | max_by([(.PY_VER|split(".")|map(tonumber))]) | [.]
+      script: ci/test_frontend.sh
   wheel-build:
     needs: checks
     secrets: inherit

ci/test_frontend.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+# Copyright (c) 2023-2025, NVIDIA CORPORATION.
+# Run frontend (Jest) tests. Does not require GPU.
+
+set -euo pipefail
+
+. /opt/conda/etc/profile.d/conda.sh
+
+rapids-logger "Generate frontend testing dependencies"
+rapids-dependency-file-generator \
+  --output conda \
+  --file-key checks \
+  --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch);py=${RAPIDS_PY_VERSION}" | tee env.yaml
+
+rapids-mamba-retry env create --yes -f env.yaml -n test_frontend
+
+# Temporarily allow unbound variables for conda activation.
+set +u
+conda activate test_frontend
+set -u
+
+rapids-print-env
+
+rapids-logger "Install JS dependencies"
+jlpm install
+
+EXITCODE=0
+trap "EXITCODE=1" ERR
+set +e
+
+rapids-logger "Run frontend tests (Jest)"
+jlpm test
+
+rapids-logger "Frontend test script exiting with value: $EXITCODE"
+exit ${EXITCODE}