Update CI script to dynamically select the latest available simulator

Author: tokijh

.github/workflows/ci.yml

@@ -9,31 +9,48 @@ on:
 jobs:
   test:
     runs-on: macOS-latest
+
+    env:
+      SCHEME: WeakMapTable
+      CODECOV_PACKAGE_NAME: WeakMapTable
+
     strategy:
+      fail-fast: false
       matrix:
         env:
           - sdk: iphonesimulator
-            destination: platform=iOS Simulator,name=iPhone 12 Pro,OS=latest
-
           - sdk: macosx
-            destination: arch=x86_64
-
           - sdk: appletvsimulator
-            destination: platform=tvOS Simulator,name=Apple TV,OS=latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+
+      - name: List SDKs and Devices
+        run: xcodebuild -showsdks; xcrun xctrace list devices
+
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: latest-stable
+
+      - name: Select iOS Simulator dynamically
+        if: matrix.env.sdk == 'iphonesimulator'
+        run: |
+          OS_VERSION=$(xcrun simctl list runtimes | grep 'iOS' | grep -oE '[0-9]+\.[0-9]+' | sort -Vr | head -n1)
+          DEVICE_NAME=$(xcrun simctl list devices | grep -A 20 "^-- iOS $OS_VERSION --" | grep -E '^ *iPhone [0-9]+ \(' | grep -v 'Pro\|Plus\|SE\|unavailable' | sed -E 's/^[[:space:]]*([^()]+) \(.*/\1/' | sort -t' ' -k2 -n -r | head -n1)
+          echo "Using simulator: $DEVICE_NAME (iOS $OS_VERSION)"
+          echo "DESTINATION=platform=iOS Simulator,name=$DEVICE_NAME,OS=$OS_VERSION" >> $GITHUB_ENV
 
-      - name: Select Xcode 12.4
-        run: sudo xcode-select -s /Applications/Xcode_12.4.app
+      - name: Set macOS destination
+        if: matrix.env.sdk == 'macosx'
+        run: echo "DESTINATION=arch=x86_64" >> $GITHUB_ENV
 
-      - name: Generate Xcode Project
-        run: swift package generate-xcodeproj --enable-code-coverage
+      - name: Set tvOS destination
+        if: matrix.env.sdk == 'appletvsimulator'
+        run: echo "DESTINATION=platform=tvOS Simulator,name=Apple TV,OS=latest" >> $GITHUB_ENV
 
       - name: Build and Test
         run: |
-          set -o pipefail && xcodebuild clean build test \
-            -project "$PROJECT" \
+          set -o pipefail && xcodebuild build test \
             -scheme "$SCHEME" \
             -sdk "$SDK" \
             -destination "$DESTINATION" \
@@ -42,10 +59,8 @@ jobs:
             -resultBundlePath "./${{ matrix.env.sdk }}.xcresult" \
             CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO | xcpretty -c;
         env:
-          PROJECT: WeakMapTable.xcodeproj
-          SCHEME: WeakMapTable-Package
           SDK: ${{ matrix.env.sdk }}
-          DESTINATION: ${{ matrix.env.destination }}
+          DESTINATION: ${{ env.DESTINATION }}
 
       - name: Upload coverage to Codecov
         uses: codecov/[email protected]