Update ci.yml to run iOS unit tests in CI (#17)

Also add a comment for the right command to successfully run tests.

Based on https://qualitycoding.org/github-actions-ci-xcode/
Uses git restore to clean up Podfile.lock changes after build completes.

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -37,7 +37,7 @@ jobs:
         with:
           java-version: 17
           distribution: 'temurin'
-      
+
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
 
@@ -62,6 +62,26 @@ jobs:
 
       - name: Run Android unit tests
         run: cd example/android && gradle test
+
+      - name: Install Dependencies
+        run: cd example/ios && pod install
+
+      - name: Run iOS unit tests
+        run: |
+          cd example/ios && \
+            xcodebuild test \
+              -workspace Runner.xcworkspace \
+              -scheme Runner \
+              -configuration Debug \
+              -sdk iphonesimulator \
+              -disableAutomaticPackageResolution \
+              -destination 'platform=iOS Simulator,name=iPhone 16,OS=latest' \
+              CODE_SIGNING_ALLOWED='NO'
+
+      # Revert the file that get's mutated by pod install
+      # to avoid angering flutter pub publish
+      - name: iOS Cleanup
+        run: git restore example/ios/Podfile.lock
 
       - name: Test docs generation
         run: dart doc --dry-run

example/ios/Podfile.lock

@@ -33,10 +33,10 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
   FullStory: 621fce986e63959bc29a8864dfc05ea6a3fe6403
-  fullstory_flutter: 76898492c1a251f9628bd52beca0b53db808f981
-  integration_test: 252f60fa39af5e17c3aa9899d35d908a0721b573
-  webview_flutter_wkwebview: 0982481e3d9c78fd5c6f62a002fcd24fc791f1e4
+  fullstory_flutter: 82276b0edaf3d683dc45991adb0c39c0196a2a9e
+  integration_test: 4a889634ef21a45d28d50d622cf412dc6d9f586e
+  webview_flutter_wkwebview: 44d4dee7d7056d5ad185d25b38404436d56c547c
 
 PODFILE CHECKSUM: 9c46fd01abff66081b39f5fa5767b3f1d0b11d76
 
-COCOAPODS: 1.15.2
+COCOAPODS: 1.16.2

example/ios/RunnerTests/RunnerTests.swift

@@ -8,7 +8,8 @@ import XCTest
 // This demonstrates a simple unit test of the Swift portion of this plugin's implementation.
 //
 // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
-
+// Run with:
+// xcodebuild test -workspace Runner.xcworkspace -scheme Runner -configuration Debug -destination 'platform=iOS Simulator,name=iPhone 16,OS=latest'
 class RunnerTests: XCTestCase {
 
   func testGetFsVersion() {