ci(framework) Add PowerShell test

.github/workflows/e2e.yml

@@ -399,3 +399,45 @@ jobs:
           ${{ matrix.engine }} 
         working-directory: e2e/${{ matrix.directory }}
         run: ./../test_exec_api.sh "${{ matrix.connection }}" "${{ matrix.authentication}}" "${{ matrix.engine }}"
+
+  windows-compatibility:
+    runs-on: windows-latest
+    env:
+      PYTHONIOENCODING: utf-8
+    timeout-minutes: 10
+    needs: wheel
+
+    name: Windows compatibility test
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+      - name: Install build tools
+        run: python -m pip install -U pip==23.3.1
+      - name: Install dependencies
+        run: python -m pip install --upgrade .
+      - name: Run test
+        working-directory: ./e2e
+        run: ./test_windows.sh
+        shell: bash
+
+  windows-pwsh-compatibility:
+    runs-on: windows-latest
+    env:
+      PYTHONIOENCODING: utf-8
+    timeout-minutes: 10
+    needs: wheel
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+      - name: Run test
+        working-directory: ./e2e
+        run: ./test_windows.ps1
+        shell: powershell

e2e/test_windows.ps1

@@ -0,0 +1,59 @@
+python -m pip install -U pip==23.3.1
+python -m pip install --upgrade ..
+
+# Create and install Flower app
+flwr new e2e-tmp-test --framework numpy --username flwrlabs
+Set-Location e2e-tmp-test
+
+# Modify the config file
+Add-Content -Path pyproject.toml -Value ""
+Add-Content -Path pyproject.toml -Value "[tool.flwr.federations.e2e]"
+Add-Content -Path pyproject.toml -Value "address = '127.0.0.1:9093'"
+Add-Content -Path pyproject.toml -Value "insecure = true"
+
+# Start Flower processes in the background
+Start-Process -NoNewWindow -FilePath flower-superlink -ArgumentList "--insecure" -RedirectStandardOutput flwr_output.log
+Start-Sleep -Seconds 2
+
+$cl1 = Start-Process -NoNewWindow -PassThru -FilePath flower-supernode -ArgumentList "--insecure --superlink 127.0.0.1:9092 --clientappio-api-address localhost:9094 --node-config `"partition-id=0 num-partitions=2`" --max-retries 0"
+Start-Sleep -Seconds 2
+
+Start-Process -NoNewWindow -FilePath flower-supernode -ArgumentList "--insecure --superlink 127.0.0.1:9092 --clientappio-api-address localhost:9095 --node-config `"partition-id=1 num-partitions=2`" --max-retries 0"
+Start-Sleep -Seconds 2
+
+# Run the Flower command
+flwr run --run-config num-server-rounds=1 . e2e
+
+# Function to clean up processes on exit
+function Cleanup {
+    Write-Output "Stopping Flower processes..."
+    Get-Process | Where-Object { $_.ProcessName -like "flower*" } | ForEach-Object { Stop-Process -Id $_.Id -Force }
+}
+
+# Register cleanup on exit
+$cleanupScript = { Cleanup }
+Register-EngineEvent PowerShell.Exiting -Action $cleanupScript
+
+# Initialize a flag to track if training is successful
+$found_success = $false
+$timeout = 120  # Timeout after 120 seconds
+$elapsed = 0
+
+# Check for "Run finished" in a loop with a timeout
+while (-not $found_success -and $elapsed -lt $timeout) {
+    if (Select-String -Path flwr_output.log -Pattern "Run finished" -Quiet) {
+        Write-Output "Training worked correctly!"
+        $found_success = $true
+        exit 0
+    } else {
+        Write-Output "Waiting for training ... ($elapsed seconds elapsed)"
+    }
+    # Sleep for a short period and increment the elapsed time
+    Start-Sleep -Seconds 2
+    $elapsed += 2
+}
+
+if (-not $found_success) {
+    Write-Output "Training did not finish within timeout."
+    exit 1
+}

e2e/test_windows.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Create and install Flower app
+flwr new e2e-tmp-test --framework numpy --username flwrlabs
+cd e2e-tmp-test
+
+# Modify the config file
+echo -e $"\n[tool.flwr.federations.e2e]\naddress = \"127.0.0.1:9093\"\ninsecure = true" >> pyproject.toml
+
+# Start Flower processes in the background
+flower-superlink --insecure 2>&1 | tee flwr_output.log &
+sleep 2
+
+flower-supernode --insecure --superlink 127.0.0.1:9092 \
+    --clientappio-api-address localhost:9094 \
+    --node-config "partition-id=0 num-partitions=2" --max-retries 0 &
+cl1_pid=$!
+sleep 2
+
+flower-supernode --insecure --superlink 127.0.0.1:9092 \
+    --clientappio-api-address localhost:9095 \
+    --node-config "partition-id=1 num-partitions=2" --max-retries 0 &
+sleep 2
+
+flwr run --run-config num-server-rounds=1 . e2e
+
+# Trap to clean up on exit
+cleanup() {
+    echo "Stopping Flower processes..."
+    taskkill //F //FI "IMAGENAME eq flower*" //T
+}
+trap cleanup EXIT
+
+# Initialize a flag to track if training is successful
+found_success=false
+timeout=120  # Timeout after 120 seconds
+elapsed=0
+
+# Check for "Run finished" in a loop with a timeout
+while [ "$found_success" = false ] && [ $elapsed -lt $timeout ]; do
+    if grep -q "Run finished" flwr_output.log; then
+        echo "Training worked correctly!"
+        found_success=true
+        exit 0;
+    else
+        echo "Waiting for training ... ($elapsed seconds elapsed)"
+    fi
+    # Sleep for a short period and increment the elapsed time
+    sleep 2
+    elapsed=$((elapsed + 2))
+done
+
+if [ "$found_success" = false ]; then
+    echo "Training did not finish within timeout."
+    exit 1;
+fi