Run integration tests against Android emulator

.github/workflows/pipeline.yml

@@ -1,15 +1,26 @@
 on:
   push:
 
+env:
+  SCRIPT: ./example/integration_test/execute.sh
+
 jobs:
   android:
-    name: Android APKs
+    name: Android integration tests
     strategy:
+      fail-fast: false
       matrix:
-        flutter-version:
-          - 3.x
-          - 3.0.0
-    runs-on: ubuntu-latest
+        include:
+          - avd-api-level: 21
+            avd-target: google_apis
+            flutter-version: 3.0.0
+            macos-version: macos-11
+          - avd-api-level: 34
+            avd-target: google_apis
+            flutter-version: any
+            macos-version: macos-latest
+    runs-on: ${{ matrix.macos-version }}
+
     steps:
       - uses: actions/checkout@v3
 
@@ -22,47 +33,64 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ${{ env.PUB_CACHE }}
-          key: pub-cache-ubuntu-latest-${{ steps.flutter-action.outputs.VERSION }}-${{ hashFiles('example/pubspec.lock') }}
+          key: pub-cache-${{ steps.flutter-action.outputs.VERSION }}-${{ hashFiles('example/pubspec.lock') }}
 
-      - name: Setup Java 11
-        uses: actions/setup-java@v3
-        with:
-          cache: gradle
-          distribution: temurin
-          java-version: "11"
+      # pre-build the app to (hopefully) speed up the test execution time,
+      # avoiding the `Test timed out after 12 minutes.` error.
+      # Apparently the timeout could not be configured, see https://github.com/flutter/flutter/issues/105913
+      - name: Run flutter build apk
+        run: |
+          set -e
 
-      - run: flutter build apk --split-per-abi
+          # use pre-installed Java 11
+          export JAVA_HOME=$JAVA_HOME_11_X64
+          echo "JAVA_HOME=$JAVA_HOME" >> $GITHUB_ENV
+
+          flutter build apk --debug --target=integration_test/app_test.dart
         working-directory: example
 
-      - uses: actions/upload-artifact@v3
+      - name: AVD cache
+        uses: actions/cache@v3
+        id: avd-cache
         with:
-          name: ${{ steps.flutter-action.outputs.VERSION }}-arm64-v8a
-          path: example/build/app/outputs/flutter-apk/app-arm64-v8a-release.apk
-      - uses: actions/upload-artifact@v3
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-${{ matrix.avd-api-level }}-${{ matrix.avd-target }}
+      - name: Create AVD and generate snapshot for caching
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: reactivecircus/android-emulator-runner@v2
         with:
-          name: ${{ steps.flutter-action.outputs.VERSION }}-armeabi-v7a
-          path: example/build/app/outputs/flutter-apk/app-armeabi-v7a-release.apk
-      - uses: actions/upload-artifact@v3
+          api-level: ${{ matrix.avd-api-level }}
+          arch: x86_64
+          disk-size: 2G
+          target: ${{ matrix.avd-target }}
+          force-avd-creation: false
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: false
+          script: echo "Generated AVD snapshot for caching."
+      - name: RUN ${{ env.SCRIPT }}
+        uses: reactivecircus/android-emulator-runner@v2
         with:
-          name: ${{ steps.flutter-action.outputs.VERSION }}-x86_64
-          path: example/build/app/outputs/flutter-apk/app-x86_64-release.apk
+          api-level: ${{ matrix.avd-api-level }}
+          arch: x86_64
+          disk-size: 2G
+          target: ${{ matrix.avd-target }}
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          script: ${{ env.SCRIPT }}
 
   ios:
     name: iOS integration tests
     strategy:
+      fail-fast: false
       matrix:
         include:
-          # oldest available macOS version on GitHub Actions with latest Flutter version
-          - flutter-version: 3.x
-            macos-version: macos-11
-            skip-tests: true # flakiness
-          # latest available macOS version on GitHub Actions with latest Flutter version
-          - flutter-version: 3.x
-            macos-version: macos-12
-          # oldest supported combination
           - flutter-version: 3.0.0
             macos-version: macos-11
-            skip-tests: true # flakiness
+          - flutter-version: any
+            macos-version: macos-latest
     runs-on: ${{ matrix.macos-version }}
 
     steps:
@@ -77,7 +105,7 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ${{ env.PUB_CACHE }}
-          key: pub-cache-${{ matrix.macos-version }}-${{ steps.flutter-action.outputs.VERSION }}-${{ hashFiles('example/pubspec.lock') }}
+          key: pub-cache-${{ steps.flutter-action.outputs.VERSION }}-${{ hashFiles('example/pubspec.lock') }}
       - name: Cache CocoaPods
         uses: actions/cache@v3
         with:
@@ -99,11 +127,8 @@ jobs:
 
           xcrun simctl create "$_deviceTypeName" "$_deviceTypeId" "$_runtimeId" | xargs xcrun simctl boot
 
-      # pre-build the app to (hopefully) speed up the test execution time,
-      # avoiding the `Test timed out after 12 minutes.` error.
-      # Apparently the timeout could not be configured, see https://github.com/flutter/flutter/issues/105913
+      # https://github.com/flutter/flutter/issues/105913
       - run: flutter build ios --simulator --target=integration_test/app_test.dart
         working-directory: example
 
-      - run: ./example/integration_test/execute.sh
-        if: ${{ !matrix.skip-tests }}
+      - run: ${{ env.SCRIPT }}

example/lib/main.dart

@@ -1,9 +1,15 @@
 import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
 import 'package:stockfish/stockfish.dart';
 
 import 'src/output_widget.dart';
 
 void main() {
+  Logger.root.level = Level.ALL;
+  Logger.root.onRecord.listen((record) {
+    debugPrint('${record.level.name}: ${record.time}: ${record.message}');
+  });
+
   runApp(const MyApp());
 }
 

example/pubspec.lock

@@ -1,22 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      sha256: "80e5141fafcb3361653ce308776cfd7d45e6e9fbb429e14eec571382c0c5fecb"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.3.2"
   async:
     dependency: transitive
     description:
       name: async
-      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
       url: "https://pub.dev"
     source: hosted
-    version: "2.10.0"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -29,10 +21,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
@@ -45,18 +37,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.17.0"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "1.17.2"
   fake_async:
     dependency: transitive
     description:
@@ -114,14 +98,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.5"
   lints:
     dependency: transitive
     description:
@@ -130,38 +106,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
+  logging:
+    dependency: "direct main"
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.13"
+    version: "0.12.16"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.5.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.3"
   platform:
     dependency: transitive
     description:
@@ -187,10 +171,10 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.1"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
@@ -205,7 +189,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.2.0"
+    version: "1.3.0"
   stream_channel:
     dependency: transitive
     description:
@@ -242,18 +226,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.4.16"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "0.6.0"
   vector_math:
     dependency: transitive
     description:
@@ -266,18 +242,26 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: e7fb6c2282f7631712b69c19d1bff82f3767eea33a2321c14fa59ad67ea391c7
+      sha256: c620a6f783fa22436da68e42db7ebbf18b8c44b9a46ab911f666ff09ffd9153f
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.7.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
       url: "https://pub.dev"
     source: hosted
-    version: "9.4.0"
+    version: "0.1.4-beta"
   webdriver:
     dependency: transitive
     description:
       name: webdriver
-      sha256: ef67178f0cc7e32c1494645b11639dd1335f1d18814aa8435113a92e9ef9d841
+      sha256: "3c923e918918feeb90c4c9fdf1fe39220fa4c0e8e2c0fffaded174498ef86c49"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
 sdks:
-  dart: ">=2.18.0 <3.0.0"
+  dart: ">=3.1.0-185.0.dev <4.0.0"
   flutter: ">=3.0.0"

example/pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  logging: ^1.0.0
   stockfish:
     path: ../
 

lib/src/stockfish.dart

@@ -27,6 +27,7 @@ class Stockfish {
         _mainPort.listen((message) => _cleanUp(message is int ? message : 1));
     _stdoutSubscription = _stdoutPort.listen((message) {
       if (message is String) {
+        _logger.finest('The stdout isolate sent $message');
         _stdoutController.sink.add(message);
       } else {
         _logger.fine('The stdout isolate sent $message');
@@ -35,6 +36,7 @@ class Stockfish {
     compute(_spawnIsolates, [_mainPort.sendPort, _stdoutPort.sendPort]).then(
       (success) {
         final state = success ? StockfishState.ready : StockfishState.error;
+        _logger.fine('The init isolate reported $state');
         _state._setValue(state);
         if (state == StockfishState.ready) {
           completer?.complete(this);
@@ -100,7 +102,7 @@ class Stockfish {
 
 /// Creates a C++ engine asynchronously.
 ///
-/// This method is different from the factory method [new Stockfish] that
+/// This method is different from the factory method [Stockfish.new] that
 /// it will wait for the engine to be ready before returning the instance.
 Future<Stockfish> stockfishAsync() {
   if (Stockfish._instance != null) {