test: add unit-test github action

.github/.editorconfig

@@ -0,0 +1,3 @@
+[*.yaml]
+indent_style = space
+indent_size = 2

.github/CODEOWNERS

@@ -0,0 +1,3 @@
+- @aws-amplify/amplify-ios
+
+/.github/CODEOWNERS @aws-amplify/amplify-ios-admins

.github/workflows/unit-test.yaml

@@ -0,0 +1,50 @@
+name: Unit Test
+
+on:
+  pull_request:
+
+permissions: {}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  unit-test:
+    name: "[${{ matrix.os }}] Unit Test"
+    environment: Unit Test # TODO(5d): remove this line after repo is marked as public
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - scheme: AWSAppSyncApolloExtensions
+            os: iOS
+            sdk: iphonesimulator
+            destination: platform=iOS Simulator,name=iPhone 15,OS=latest
+          - scheme: AWSAppSyncApolloExtensions
+            os: macOS
+            sdk: macosx
+            destination: platform=OS X,arch=x86_64
+          - scheme: AWSAppSyncApolloExtensions
+            os: watchOS
+            sdk: watchsimulator
+            destination: platform=watchOS Simulator,name=Apple Watch Series 9 (45mm),OS=latest
+          - scheme: AWSAppSyncApolloExtensions
+            os: tvOS
+            sdk: appletvsimulator
+            destination: platform=tvOS Simulator,name=Apple TV 4K (3rd generation),OS=latest
+
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        with:
+          persist-credentials: false
+          token: ${{ secrets.PAT }} # TODO(5d): remove this line after repo is marked as public
+
+      - name: ${{ matrix.os }}
+        run: |
+          xcodebuild test \
+          -scheme ${{ matrix.scheme }} \
+          -destination "${{ matrix.destination }}" \
+          -sdk ${{ matrix.sdk }} \
+          -only-testing:"${{ matrix.scheme }}Tests" | xcpretty --simple --color --report junit && exit ${PIPESTATUS[0]}

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 /.build
+build/
 /Packages
 xcuserdata/
 DerivedData/

Tests/AWSAppSyncApolloExtensionsTests/Utilities/PackageInfoTests.swift

@@ -11,19 +11,17 @@ import XCTest
 
 class PackageInfoTests: XCTestCase {
 
-    @available(iOS 16.0, *)
     /// user agent header has format of:
     /// UA/2.0 lang/swift/x.x(.x) os/[iOS, macOS, watchOS]/x.x(.x) lib/aws-appsync-apollo-extensions-swift/x.x.x
     func testUserAgentHasCorrectFormat() async throws {
-        let format = try Regex(
-            "^UA/2\\.0 " +
+        let pattern = "^UA/2\\.0 " +
             "lang/swift#\\d+\\.\\d+(?:\\.\\d+)? " +
-            "os/(?:iOS|macOS|watchOS)#\\d+\\.\\d+(?:\\.\\d+)? " +
+            "os/(?:iOS|macOS|watchOS|tvOS)#\\d+\\.\\d+(?:\\.\\d+)? " +
             "lib/aws-appsync-apollo-extensions-swift#\\d+\\.\\d+\\.\\d+ " +
             "md/apollo#\\d+\\.\\d+\\.\\d+$"
-        )
+        let regex = try NSRegularExpression(pattern: pattern)
         let userAgent = await PackageInfo.userAgent
-        let matches = userAgent.ranges(of: format)
-        XCTAssertTrue(!matches.isEmpty)
+        let matches = regex.numberOfMatches(in: userAgent, options: [], range: NSRange(location: 0, length: userAgent.utf8.count))
+        XCTAssertTrue(matches > 0)
     }
 }

Tests/AWSAppSyncApolloExtensionsTests/Websocket/LocalWebSocketServer.swift

@@ -96,7 +96,7 @@ class LocalWebSocketServer {
 
     func sendTransientFailureToConnections() {
         self.connections.forEach {
-            var metadata = NWProtocolWebSocket.Metadata(opcode: .close)
+            let metadata = NWProtocolWebSocket.Metadata(opcode: .close)
             metadata.closeCode = .protocolCode(NWProtocolWebSocket.CloseCode.Defined.internalServerError)
             $0.send(
                 content: nil,