chore: Parallelize CI builds to reduce wall clock time

.github/actions/build-ios/action.yml

@@ -0,0 +1,24 @@
+name: Build & Test iOS
+description: 'Build for iOS device and run tests on iOS Simulator.'
+inputs:
+  ios-sim:
+    description: 'iOS Simulator to use for testing'
+    required: true
+
+runs:
+  using: composite
+  steps:
+    # Workaround for intermittent macos-15 runner issue where simulator
+    # runtimes aren't loaded. Listing devices forces the simulator service
+    # to initialize. See https://github.com/actions/runner-images/issues/12948
+    - name: Prepare iOS Simulator runtime
+      shell: bash
+      run: xcrun simctl list devices available
+
+    - name: Build Tests for iOS device
+      shell: bash
+      run: xcodebuild build-for-testing -scheme 'LDSwiftEventSource' -sdk iphoneos CODE_SIGN_IDENTITY= | xcpretty
+
+    - name: Build & Test on iOS Simulator
+      shell: bash
+      run: xcodebuild test -scheme 'LDSwiftEventSource' -sdk iphonesimulator -destination '${{ inputs.ios-sim }}' CODE_SIGN_IDENTITY= | xcpretty

.github/actions/build-macos/action.yml

@@ -0,0 +1,13 @@
+name: Build & Test macOS
+description: 'Build and test for macOS.'
+
+runs:
+  using: composite
+  steps:
+    - name: Build & Test on macOS
+      shell: bash
+      run: xcodebuild test -scheme 'LDSwiftEventSource' -sdk macosx -destination 'platform=macOS' | xcpretty
+
+    - name: Build for ARM64 macOS
+      shell: bash
+      run: xcodebuild build -scheme 'LDSwiftEventSource' -arch arm64e -sdk macosx | xcpretty

.github/actions/build-tvos/action.yml

@@ -0,0 +1,20 @@
+name: Build & Test tvOS
+description: 'Build for tvOS device and run tests on tvOS Simulator.'
+
+runs:
+  using: composite
+  steps:
+    # Workaround for intermittent macos-15 runner issue where simulator
+    # runtimes aren't loaded. Listing devices forces the simulator service
+    # to initialize. See https://github.com/actions/runner-images/issues/12948
+    - name: Prepare tvOS Simulator runtime
+      shell: bash
+      run: xcrun simctl list devices available
+
+    - name: Build Tests for tvOS device
+      shell: bash
+      run: xcodebuild build-for-testing -scheme 'LDSwiftEventSource' -sdk appletvos CODE_SIGN_IDENTITY= | xcpretty
+
+    - name: Build & Test on tvOS Simulator
+      shell: bash
+      run: xcodebuild test -scheme 'LDSwiftEventSource' -sdk appletvsimulator -destination 'platform=tvOS Simulator,name=Apple TV' | xcpretty

.github/actions/build-watchos/action.yml

@@ -0,0 +1,20 @@
+name: Build watchOS
+description: 'Build for watchOS device and simulator.'
+
+runs:
+  using: composite
+  steps:
+    # Workaround for intermittent macos-15 runner issue where simulator
+    # runtimes aren't loaded. Listing devices forces the simulator service
+    # to initialize. See https://github.com/actions/runner-images/issues/12948
+    - name: Prepare watchOS Simulator runtime
+      shell: bash
+      run: xcrun simctl list devices available
+
+    - name: Build for watchOS simulator
+      shell: bash
+      run: xcodebuild build -scheme 'LDSwiftEventSource' -sdk watchsimulator | xcpretty
+
+    - name: Build for watchOS device
+      shell: bash
+      run: xcodebuild build -scheme 'LDSwiftEventSource' -sdk watchos | xcpretty

.github/actions/contract-tests/action.yml

@@ -0,0 +1,29 @@
+name: Contract Tests
+description: 'Build and run SDK contract tests.'
+inputs:
+  token:
+    description: 'GH token used to download SDK test harness.'
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Build contract test service
+      shell: bash
+      run: make build-contract-tests
+
+    - name: Start contract test service
+      shell: bash
+      run: make start-contract-test-service-bg
+
+    - name: Run contract tests
+      uses: launchdarkly/gh-actions/actions/contract-tests@main
+      with:
+        repo: sse-contract-tests
+        branch: main
+        version: v2
+        token: ${{ inputs.token }}
+        test_service_port: '8000'
+        debug_logging: 'true'
+        enable_persistence_tests: 'false'
+        extra_params: "-skip 'basic parsing/large message in one chunk' -skip 'basic parsing/large message in two chunks'"

.github/actions/lint/action.yml

@@ -0,0 +1,22 @@
+name: Lint
+description: 'Run podspec and swiftlint checks.'
+
+runs:
+  using: composite
+  steps:
+    - name: Install swiftlint
+      shell: bash
+      run: brew install swiftlint
+
+    - name: Install cocoapods
+      shell: bash
+      run: gem install cocoapods
+
+    - name: Lint the podspec
+      shell: bash
+      # --quick skips building since dedicated build jobs already compile all platforms
+      run: pod lib lint LDSwiftEventSource.podspec --allow-warnings --quick
+
+    - name: Run swiftlint
+      shell: bash
+      run: swiftlint lint

.github/actions/test-swiftpm/action.yml

@@ -0,0 +1,9 @@
+name: Test SwiftPM
+description: 'Build and test using Swift Package Manager.'
+
+runs:
+  using: composite
+  steps:
+    - name: Build & Test with SwiftPM
+      shell: bash
+      run: swift test -v 2>&1 | xcpretty

.github/workflows/ci.yml

@@ -10,26 +10,104 @@ on:
       - '**.md'
 
 jobs:
-  macos-build:
-    runs-on: ${{ matrix.os }}
+  lint:
+    runs-on: macos-15
 
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - xcode-version: 16.4
-            ios-sim: 'platform=iOS Simulator,name=iPhone 16'
-            os: macos-15
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/lint
+
+  build-ios:
+    runs-on: macos-15
 
     steps:
       - uses: actions/checkout@v4
 
-      - uses: ./.github/actions/ci
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/build-ios
+        with:
+          ios-sim: 'platform=iOS Simulator,name=iPhone 16'
+
+  build-macos:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/build-macos
+
+  build-tvos:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/build-tvos
+
+  build-watchos:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/build-watchos
+
+  test-swiftpm:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/test-swiftpm
+
+  contract-tests:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
+      - uses: ./.github/actions/contract-tests
         with:
-          xcode-version: ${{ matrix.xcode-version }}
-          ios-sim: ${{ matrix.ios-sim }}
           token: ${{ secrets.GITHUB_TOKEN }}
 
+  build-docs:
+    runs-on: macos-15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
+        with:
+          xcode-version: 16.4
+
       - uses: ./.github/actions/build-docs
 
   linux-build:

.github/workflows/manual-publish-docs.yml

@@ -13,11 +13,26 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Build and Test
-        uses: ./.github/actions/ci
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
         with:
           xcode-version: 16.4
+
+      - uses: ./.github/actions/lint
+
+      - uses: ./.github/actions/build-ios
+        with:
           ios-sim: 'platform=iOS Simulator,name=iPhone 16'
+
+      - uses: ./.github/actions/build-macos
+
+      - uses: ./.github/actions/build-tvos
+
+      - uses: ./.github/actions/build-watchos
+
+      - uses: ./.github/actions/test-swiftpm
+
+      - uses: ./.github/actions/contract-tests
+        with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/build-docs

.github/workflows/manual-publish.yml

@@ -25,10 +25,26 @@ jobs:
           aws_assume_role: ${{ vars.AWS_ROLE_ARN }}
           ssm_parameter_pairs: '/production/common/releasing/cocoapods/token = COCOAPODS_TRUNK_TOKEN'
 
-      - uses: ./.github/actions/ci
+      - uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
         with:
           xcode-version: 16.4
+
+      - uses: ./.github/actions/lint
+
+      - uses: ./.github/actions/build-ios
+        with:
           ios-sim: 'platform=iOS Simulator,name=iPhone 16'
+
+      - uses: ./.github/actions/build-macos
+
+      - uses: ./.github/actions/build-tvos
+
+      - uses: ./.github/actions/build-watchos
+
+      - uses: ./.github/actions/test-swiftpm
+
+      - uses: ./.github/actions/contract-tests
+        with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/publish