Add unittest to Conda CUDA build workflow

.github/workflows/conda_cpu_build.yml

@@ -0,0 +1,49 @@
+name: Build Conda Package
+
+on:
+  workflow_call:
+    inputs:
+      os:
+        required: true
+        type: string
+      python-version:
+        required: true
+        type: string
+      artifact:
+        required: true
+        type: string
+
+jobs:
+  build:
+    runs-on:  ${{ inputs.os }}
+    defaults:
+      run:
+        shell: bash -el {0}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: ${{ inputs.python-version }}
+
+      - name: Install conda-build
+        run: conda install conda-build
+
+      - name: Build SPDL
+        run: |
+          mkdir ~/package
+          conda build \
+            ./packaging/conda \
+            --python=${{ inputs.python-version }} \
+            --output-folder ~/package
+      - uses: actions/upload-artifact@v4
+        name: Upload build artifact
+        with:
+          name: "${{ inputs.artifact }}"
+          path: ~/package
+          if-no-files-found: error
+          retention-days: 1
+          overwrite: true

.github/workflows/conda_cpu_test.yml

@@ -0,0 +1,48 @@
+name: Test Conda Package
+
+on:
+  workflow_call:
+    inputs:
+      os:
+        required: true
+        type: string
+      python-version:
+        required: true
+        type: string
+      artifact:
+        required: true
+        type: string
+
+jobs:
+  unit-test:
+    name: "Unit test (ffmpeg ${{ matrix.ffmpeg-version }})"
+    strategy:
+      fail-fast: false
+      matrix:
+        ffmpeg-version: ["5", "6", "7" ]
+    runs-on:  ${{ inputs.os }}
+    defaults:
+      run:
+        shell: bash -el {0}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: "${{ inputs.artifact }}"
+          path: ~/package
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: ${{ inputs.python-version }}
+
+      - name: Unit test
+        run: |
+          conda install -c file://${HOME}/package/ spdl
+          conda install -c conda-forge "ffmpeg==${{ matrix.ffmpeg-version}}"
+          conda install -c pytorch numpy pytest pytorch numba
+          pytest -v \
+              tests/spdl_unittest/io/ \
+              tests/spdl_unittest/dataloader/

.github/workflows/build_conda_cuda.yml → .github/workflows/conda_cuda_build.yml

@@ -1,31 +1,24 @@
-name: "Build Conda: CUDA"
+name: Build Conda Package
 
 on:
-  workflow_dispatch:
-  pull_request:
-    paths-ignore:
-      - "docs/**"
-      - "examples/**"
-      - "README.md"
-    branches:
-      - main
-  push:
-    paths-ignore:
-      - "docs/**"
-      - "examples/**"
-      - "README.md"
-    branches:
-      - main
+  workflow_call:
+    inputs:
+      os:
+        type: string
+        default: "32-core-ubuntu"
+      python-version:
+        required: true
+        type: string
+      cu-version:
+        required: true
+        type: string
+      artifact:
+        required: true
+        type: string
 
 jobs:
-  conda-build-cuda:
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ ubuntu-latest ]
-        python-version: [ "3.10", "3.11", "3.12" ]
-        cu_version: [ "11.8.0", "12.1.0" ]
-    runs-on: ${{ matrix.os }}
+  build:
+    runs-on: ${{ inputs.os }}
     defaults:
       run:
         shell: bash -el {0}
@@ -46,13 +39,14 @@ jobs:
         run: |
           mkdir ~/package
           conda build \
-            -c nvidia/label/cuda-${{ matrix.cu_version }} \
+            -c nvidia/label/cuda-${{ inputs.cu-version }} \
             ./packaging/conda \
-            --python=${{ matrix.python-version }} \
+            --python=${{ inputs.python-version }} \
             --output-folder ~/package
         env:
-          CU_VERSION: ${{ matrix.cu_version }}
-          CONDA_CUDATOOLKIT_CONSTRAINT: "- nvidia/label/cuda-${{ matrix.cu_version }}::cuda-toolkit"
+          CU_VERSION: ${{ inputs.cu-version }}
+          CONDA_CUDATOOLKIT_CONSTRAINT: "- nvidia/label/cuda-${{ inputs.cu-version }}::cuda-toolkit"
+          CONDA_CUDARUNTIME_CONSTRAINT: "- nvidia/label/cuda-${{ inputs.cu-version }}::cuda-runtime"
           SPDL_USE_CUDA: "1"
           SPDL_USE_NVCODEC: "1"
           SPDL_USE_NVJPEG: "1"
@@ -62,8 +56,9 @@ jobs:
           SPDL_BUILD_STUB: "0"
 
       - uses: actions/upload-artifact@v4
+        name: Upload build artifact
         with:
-          name: spdl.${{ matrix.os }}.${{ matrix.python-version }}.${{ matrix.cu_version }}
+          name: "${{ inputs.artifact }}"
           path: ~/package
           if-no-files-found: error
           retention-days: 1