feat: setup unit tests, improve test coverage

.github/workflows/ci.yml

@@ -63,6 +63,29 @@ jobs:
 #          cache: true
 #      - run: flutter pub get
 #      - run: flutter test integration_test --no-pub -r expanded
+  unit-test-android:
+    name: "[Android] Unit tests"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sdk: [ '3.24.3', '' ]
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - name: "Setup Flutter SDK"
+        uses: subosito/flutter-action@v2
+        with:
+          cache: true
+      - name: "Get Flutter dependencies"
+        run: flutter pub get
+      - name: "Run unit tests"
+        run: flutter test --timeout=600s --coverage
+      - name: "Run Codecov"
+        uses: codecov/codecov-action@v4
+        if: ${{ matrix.sdk == '' }}
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
   integration-test-android:
     name: "[Android] Integration tests"
     runs-on: ubuntu-latest
@@ -71,9 +94,6 @@ jobs:
       matrix:
         api-level: [ 23, 34 ] # TODO: add 21
     timeout-minutes: 30
-    defaults:
-      run:
-        working-directory: example
     steps:
       - uses: actions/checkout@v4
       - name: "Setup Flutter SDK"
@@ -99,7 +119,7 @@ jobs:
           api-level: ${{ matrix.api-level }}
           arch: x86_64
           emulator-boot-timeout: 1800 # 30 minutes
-          script: cd example && flutter test integration_test -r expanded --timeout=none --coverage --coverage-package maplibre
+          script: cd example && flutter test integration_test/main.dart --timeout=1800s -r expanded --coverage --coverage-package maplibre
       - name: "Run Codecov"
         uses: codecov/codecov-action@v4
         if: ${{ matrix.api-level == '34' }}

codecov.yml

@@ -1,3 +1,12 @@
+comment:
+  # this posts no PR comment if there are no coverage changes
+  require_changes: true
+  status:
+    project:
+      default:
+        target: 0%
+        threshold: 0%
+
 ignore:
   - "**/*.g.dart"
   - "lib/src/native/jni"

example/integration_test/controller_test.dart

@@ -1,5 +1,8 @@
 import 'dart:async';
+import 'dart:convert';
 
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 import 'package:maplibre/maplibre.dart';
@@ -8,135 +11,165 @@ import 'app.dart';
 
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
-
   group('controller', () {
-    testWidgets(
-      'render map',
-      (tester) async {
-        await tester.pumpWidget(const App());
-        await tester.pumpAndSettle();
-        expect(tester.allWidgets.any((w) => w is MapLibreMap), isTrue);
-      },
+    testWidgets('getCamera', (tester) async {
+      final ctrlCompleter = Completer<MapController>();
+      final app = App(
+        onMapCreated: ctrlCompleter.complete,
+        options: MapOptions(initCenter: Position(1, 2)),
+      );
+      await tester.pumpWidget(app);
+      final ctrl = await ctrlCompleter.future;
+      await ctrl.moveCamera(
+        center: Position(1, 1),
+        bearing: 1,
+        zoom: 1,
+        pitch: 1,
+      );
+      await tester.pumpAndSettle();
+      final camera = ctrl.getCamera();
+      expect(camera.center.lng, closeTo(1, 0.00001));
+      expect(camera.center.lat, closeTo(1, 0.00001));
+      expect(camera.zoom, closeTo(1, 0.00001));
+      expect(camera.bearing, closeTo(1, 0.00001));
+      expect(camera.pitch, closeTo(1, 0.00001));
+    });
+
+    testWidgets('toScreenLocation', (tester) async {
+      final ctrlCompleter = Completer<MapController>();
+      final app = App(
+        onMapCreated: ctrlCompleter.complete,
+        options: MapOptions(initCenter: Position(1, 2)),
+      );
+      await tester.pumpWidget(app);
+      final ctrl = await ctrlCompleter.future;
+      final offset = await ctrl.toScreenLocation(Position(1, 2));
+      // Different devices have different screen sizes.
+      expect(offset.dx, greaterThanOrEqualTo(0));
+      expect(offset.dy, greaterThanOrEqualTo(0));
+    });
+
+    testWidgets('moveCamera', (tester) async {
+      final ctrlCompleter = Completer<MapController>();
+      final app = App(onMapCreated: ctrlCompleter.complete);
+      await tester.pumpWidget(app);
+      final ctrl = await ctrlCompleter.future;
+      await ctrl.moveCamera(
+        center: Position(1, 2),
+        bearing: 1,
+        zoom: 1,
+        pitch: 1,
+      );
+      await tester.pumpAndSettle();
+      final camera = ctrl.getCamera();
+      expect(camera.center.lng, closeTo(1, 0.00001));
+      expect(camera.center.lat, closeTo(2, 0.00001));
+      expect(camera.zoom, closeTo(1, 0.00001));
+      expect(camera.bearing, closeTo(1, 0.00001));
+      expect(camera.pitch, closeTo(1, 0.00001));
+    });
+  });
+
+  testWidgets('add ImageSource', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    final source = ImageSource(
+      id: '1',
+      url:
+          'https://raw.githubusercontent.com/josxha/flutter-maplibre/57396548693857a80083303f56aa83b4901dad48/docs/static/img/favicon-32x32.png',
+      coordinates: [Position(0, 0), Position(1, 1)],
     );
-    testWidgets(
-      'getCamera',
-      (tester) async {
-        final ctrlCompleter = Completer<MapController>();
-        final app = App(
-          onMapCreated: ctrlCompleter.complete,
-          options: MapOptions(initCenter: Position(1, 2)),
-        );
-        await tester.pumpWidget(app);
-        final ctrl = await ctrlCompleter.future;
-        await ctrl.moveCamera(
-          center: Position(1, 1),
-          bearing: 1,
-          zoom: 1,
-          pitch: 1,
-        );
-        await tester.pumpAndSettle();
-        final camera = ctrl.getCamera();
-        expect(camera.center.lng, closeTo(1, 0.00001));
-        expect(camera.center.lat, closeTo(1, 0.00001));
-        expect(camera.zoom, closeTo(1, 0.00001));
-        expect(camera.bearing, closeTo(1, 0.00001));
-        expect(camera.pitch, closeTo(1, 0.00001));
-      },
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add GeoJsonSource', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    final source = GeoJsonSource(
+      id: '1',
+      data: jsonEncode(
+        GeometryCollection(
+          geometries: [Point(coordinates: Position(12, 2))],
+        ).toJson(),
+      ),
+    );
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add VideoSource', (tester) async {
+    if (!kIsWeb) return; // VideoSource is only supported on web.
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    final source = VideoSource(
+      id: '1',
+      coordinates: [Position(0, 0), Position(10, 10)],
+      urls: [
+        'https://file-examples.com/storage/fefd65c2506728a13a07e72/2017/04/file_example_MP4_480_1_5MG.mp4',
+      ],
     );
-    testWidgets(
-      'moveCamera',
-      (tester) async {
-        final ctrlCompleter = Completer<MapController>();
-        final app = App(onMapCreated: ctrlCompleter.complete);
-        await tester.pumpWidget(app);
-        final ctrl = await ctrlCompleter.future;
-        await ctrl.moveCamera(
-          center: Position(1, 2),
-          bearing: 1,
-          zoom: 1,
-          pitch: 1,
-        );
-        await tester.pumpAndSettle();
-        final camera = ctrl.getCamera();
-        expect(camera.center.lng, closeTo(1, 0.00001));
-        expect(camera.center.lat, closeTo(2, 0.00001));
-        expect(camera.zoom, closeTo(1, 0.00001));
-        expect(camera.bearing, closeTo(1, 0.00001));
-        expect(camera.pitch, closeTo(1, 0.00001));
-      },
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add RasterDemSource', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    const source = RasterDemSource(
+      id: '1',
+      url: 'https://demotiles.maplibre.org/terrain-tiles/tiles.json',
+      tileSize: 256,
     );
-    /*testWidgets(
-      'animateCamera',
-      (tester) async {
-        final ctrlCompleter = Completer<MapController>();
-        final app = App(onMapCreated: ctrlCompleter.complete);
-        await tester.pumpWidget(app);
-        final ctrl = await ctrlCompleter.future;
-        await ctrl.animateCamera(
-          center: Position(2, 1),
-          bearing: 2,
-          zoom: 2,
-          pitch: 2,
-          webSpeed: 100,
-          nativeDuration: Duration.zero,
-        );
-        await tester.pumpAndSettle();
-        final camera = ctrl.getCamera();
-        expect(camera.center.lng, closeTo(2, 0.00001));
-        expect(camera.center.lat, closeTo(1, 0.00001));
-        expect(camera.zoom, closeTo(2, 0.00001));
-        expect(camera.bearing, closeTo(2, 0.00001));
-        expect(camera.pitch, closeTo(2, 0.00001));
-      },
-    );*/
-    /*testWidgets(
-      'animateCamera cancel',
-      (tester) async {
-        late final MapController ctrl;
-        final app = App(onMapCreated: (controller) => ctrl = controller);
-        await tester.pumpWidget(app);
-        await tester.pumpAndSettle();
-        final future = ctrl.flyTo(
-          center: Position(2, 2),
-          bearing: 2,
-          zoom: 2,
-          pitch: 2,
-          webSpeed: 0.1,
-          nativeDuration: const Duration(days: 1),
-        );
-        // TODO perform gesture
-        await expectLater(
-          future,
-          throwsA(isA<PlatformException>()),
-        );
-      },
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add RasterSource', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    const source = RasterSource(
+      id: '1',
+      tiles: ['https://tile.openstreetmap.org/{z}/{x}/{y}.png'],
+      maxZoom: 20,
+      tileSize: 256,
+      attribution:
+          '<a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
     );
-    testWidgets(
-      'getMetersPerPixelAtLatitude',
-      (tester) async {
-        late final MapController ctrl;
-        final app = App(onMapCreated: (controller) => ctrl = controller);
-        await tester.pumpWidget(app);
-        await tester.pumpAndSettle();
-        final meters = await ctrl.getMetersPerPixelAtLatitude(23);
-        // TODO adjust value
-        expect(meters, closeTo(12345, 0.00001));
-      },
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add VectorSource', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    const source = VectorSource(
+      id: '1',
+      url: 'https://demotiles.maplibre.org/tiles/tiles.json',
     );
-    testWidgets(
-      'getVisibleRegion',
-      (tester) async {
-        late final MapController ctrl;
-        final app = App(onMapCreated: (controller) => ctrl = controller);
-        await tester.pumpWidget(app);
-        await tester.pumpAndSettle();
-        final region = await ctrl.getVisibleRegion();
-        // TODO adjust values
-        expect(region.latitudeNorth, closeTo(85.05112862791722, 0.00001));
-        expect(region.latitudeSouth, closeTo(12345, 0.00001));
-        expect(region.longitudeEast, closeTo(12345, 0.00001));
-        expect(region.longitudeWest, closeTo(12345, 0.00001));
-      },
-    );*/
+    await ctrl.addSource(source);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('add BackgroundLayer', (tester) async {
+    final ctrlCompleter = Completer<MapController>();
+    final app = App(onMapCreated: ctrlCompleter.complete);
+    await tester.pumpWidget(app);
+    final ctrl = await ctrlCompleter.future;
+    const layer = BackgroundLayer(id: '1', color: Colors.black);
+    await ctrl.addLayer(layer);
+    await tester.pumpAndSettle();
   });
 }