test ci

Author: Aurashk

.github/workflows/ci.yml

@@ -1,5 +1,4 @@
 name: Test and build
-
 on:
   push:
     branches: [main]
@@ -9,28 +8,94 @@ on:
 
 jobs:
   test:
-    runs-on: ${{matrix.os}}
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os:
-          - ubuntu-latest
-          - windows-latest
-          - macos-latest
-        python-version: ['3.14']
+        include:
+          - os: ubuntu-latest
+            python-version: "3.14"
+            muse2_asset: muse2_linux.tar.gz
+            muse2_exe: muse2
+          - os: windows-latest
+            python-version: "3.14"
+            muse2_asset: muse2_windows.zip
+            muse2_exe: muse2.exe
+          - os: macos-latest
+            python-version: "3.14"
+            muse2_asset: muse2_macos_arm.tar.gz
+            muse2_exe: muse2
 
     steps:
-      - uses: actions/checkout@v6
-      - uses: astral-sh/setup-uv@v7
+      - uses: actions/checkout@v4
+
+      - uses: astral-sh/setup-uv@v5
         with:
           enable-cache: true
           prune-cache: false
-          activate-environment: true
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: uv sync
 
+      # Query the GitHub API for the latest MUSE2 release tag (e.g. "v2.0.0").
+      # The tag is written to GITHUB_OUTPUT so subsequent steps can reference it.
+      - name: Get latest MUSE2 release tag
+        id: muse2_release
+        shell: bash
+        run: |
+          TAG=$(curl -sSf \
+            -H "Accept: application/vnd.github+json" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/EnergySystemsModellingLab/MUSE2/releases/latest \
+            | jq -r '.tag_name')
+
+          if [[ -z "$TAG" || "$TAG" == "null" ]]; then
+            echo "::error::Failed to retrieve latest MUSE2 release tag."
+            exit 1
+          fi
+
+          echo "Resolved latest MUSE2 release: $TAG"
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      # Download the platform-appropriate MUSE2 release asset.
+      # 'shell: bash' is used on all platforms
+      - name: Download MUSE2 release asset
+        shell: bash
+        run: |
+          curl -sSfL \
+            "https://github.com/EnergySystemsModellingLab/MUSE2/releases/download/${{ steps.muse2_release.outputs.tag }}/${{ matrix.muse2_asset }}" \
+            --output "muse2_asset_download"
+
+      - name: Extract MUSE2 and set environment variable (Linux / macOS)
+        if: runner.os == 'Linux' || runner.os == 'macOS'
+        shell: bash
+        run: |
+          mkdir -p muse2_bin
+          tar -xf muse2_asset_download -C muse2_bin
+          chmod +x "muse2_bin/${{ matrix.muse2_exe }}"
+          echo "MUSE2_PATH=${{ github.workspace }}/muse2_bin/${{ matrix.muse2_exe }}" >> "$GITHUB_ENV"
+
+      - name: Extract MUSE2 and set environment variable (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          New-Item -ItemType Directory -Force -Path muse2_bin | Out-Null
+          Rename-Item -Path "muse2_asset_download" -NewName "muse2_asset_download.zip"
+          Expand-Archive -Path "muse2_asset_download.zip" -DestinationPath muse2_bin -Force
+          $exePath = "${{ github.workspace }}\muse2_bin\${{ matrix.muse2_exe }}"
+          echo "MUSE2_PATH=$exePath" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+
+      # Confirm the muse2 executable is present and the environment variable is set correctly.
+      - name: Verify MUSE2 installation
+        shell: bash
+        run: |
+          if [[ ! -f "$MUSE2_PATH" ]]; then
+            echo "::error::MUSE2 executable not found at: $MUSE2_PATH"
+            exit 1
+          fi
+          echo "MUSE2_PATH is set to: $MUSE2_PATH"
+
       - name: Run mypy
         run: mypy .