ci: add coverage to pr action

.github/scripts/parse_coverage.sh

@@ -0,0 +1,21 @@
+
+lcov --capture --directory coverage --output-file coverage/lcov.info &> /dev/null
+
+# Remove unnecessary files from the report
+lcov --remove coverage/lcov.info 'lib/*/*.g.dart' 'lib/*/*.freezed.dart' -o coverage/lcov.info &> /dev/null
+
+# Generate the HTML report
+genhtml coverage/lcov.info --output-directory coverage/html &> /dev/null
+
+# Save output of coverage
+output="$(lcov --summary coverage/lcov.info )"
+
+# Trim to only return what we want
+IFS=':';
+output=($output);
+output=${output[3]};
+output=${output%'functions...'};
+
+unset IFS;
+
+echo $output

.github/workflows/code-quality.yml

@@ -43,20 +43,22 @@ jobs:
         id: test
         run: |
 
-          cd example
-
           # Allows code to run after an error.
           set -e
 
           # Runs flutter test; saves output and if it fails.
-          out=$(flutter test) || failed='true'
+          out=$(flutter test --coverage) || failed='true'
 
           echo "$out"
 
           # Saves output to either success or failure variables.
           if [ "$failed" == "true" ]; then
             echo "FAILURE=true" >> $GITHUB_OUTPUT
+            exit 1
           fi
+      - name: Check test coverage
+        id: coverage
+        run: echo "coverage=$(sh .github/scripts/parse_coverage.sh)" >> $GITHUB_OUTPUT
       - name: Check for modified files
         id: git-check
         run: echo "modified=$(if [ -n "$(git status --porcelain)" ]; then echo "true"; else echo "false"; fi)" >>  $GITHUB_ENV
@@ -68,8 +70,8 @@ jobs:
           git add -A
           git commit -m '[automated commit] lint format and import sort'
           git push
-
       - name: Print outputs
+        if: always()
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
@@ -87,6 +89,12 @@ jobs:
             template="$template ✅ - All tests passed</br>"
           fi
 
+          if [ -n "${{steps.coverage.outputs.coverage}}" ]; then
+            echo 'Coverage does not work'
+          else 
+            template="$template   🧪 ${{steps.coverage.outputs.coverage}}</br>"
+          fi
+
           # Add / amend comment on PR.
           gh pr comment ${{github.event.pull_request.number}} --body="${template}" --edit-last -R ${{github.repository}} || gh pr comment ${{github.event.pull_request.number}} --body="${template}" -R ${{github.repository}} || echo 'Token not working' 
 

.github/workflows/pull-request.yml

@@ -1,6 +1,7 @@
 name: CI - Pull Request
 on:
   pull_request_target:
+  pull_request:
 
 jobs:
   up-to-date:

example/lib/pages/components/button_example.dart

@@ -14,7 +14,6 @@ class ButtonExample extends StatefulWidget {
 class _ButtonExampleState extends State<ButtonExample> {
   Widget? fab;
   late ScrollController _scrollController;
-  bool expanded = false;
 
   @override
   void initState() {

lib/src/components/fabs/fab.dart

@@ -106,7 +106,7 @@ class ZetaFAB extends StatefulWidget {
 class _ZetaFABState extends State<ZetaFAB> {
   @override
   Widget build(BuildContext context) {
-    bool _isExpanded = (widget.initiallyExpanded != null ? widget.initiallyExpanded! : widget.label != null);
+    final bool isExpanded = (widget.initiallyExpanded != null ? widget.initiallyExpanded! : widget.label != null);
     final colors = widget.type.colors(context);
     final backgroundColor = widget.type == ZetaFabType.inverse ? colors.shade80 : colors.shade60;
 
@@ -115,7 +115,7 @@ class _ZetaFABState extends State<ZetaFAB> {
       focusNode: widget.focusNode,
       style: ButtonStyle(
         padding: const WidgetStatePropertyAll(EdgeInsets.zero),
-        shape: WidgetStatePropertyAll(widget.shape.buttonShape(isExpanded: _isExpanded, size: widget.size)),
+        shape: WidgetStatePropertyAll(widget.shape.buttonShape(isExpanded: isExpanded, size: widget.size)),
         backgroundColor: WidgetStateProperty.resolveWith((states) {
           if (states.contains(WidgetState.disabled)) return Zeta.of(context).colors.surfaceDisabled;
           if (states.contains(WidgetState.hovered)) return colors.hover;
@@ -135,14 +135,14 @@ class _ZetaFABState extends State<ZetaFAB> {
       child: AnimatedContainer(
         duration: ZetaAnimationLength.normal,
         child: Padding(
-          padding: _isExpanded
+          padding: isExpanded
               ? const EdgeInsets.symmetric(horizontal: ZetaSpacingBase.x3_5, vertical: ZetaSpacing.medium)
               : EdgeInsets.all(widget.size.padding),
           child: Row(
             mainAxisSize: MainAxisSize.min,
             children: [
               Icon(widget.icon, size: widget.size.iconSize),
-              if (_isExpanded && widget.label != null)
+              if (isExpanded && widget.label != null)
                 Row(
                   mainAxisSize: MainAxisSize.min,
                   children: [Text(widget.label!, style: ZetaTextStyles.labelLarge)],

test/src/components/badge/indicator_test.dart

@@ -4,9 +4,14 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('badge'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
   testWidgets('Default constructor initializes with correct parameters', (WidgetTester tester) async {
     await tester.pumpWidget(const TestApp(home: ZetaIndicator()));
 

test/src/components/badge/label_test.dart

@@ -4,9 +4,14 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('badge'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
   testWidgets('Initializes with correct parameters', (WidgetTester tester) async {
     await tester.pumpWidget(const TestApp(home: ZetaLabel(label: 'Test Label')));
 

test/src/components/badge/priority_pill_test.dart

@@ -6,9 +6,14 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('badge'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
   testWidgets('Initializes with correct label and index', (WidgetTester tester) async {
     await tester.pumpWidget(
       const TestApp(

test/src/components/badge/status_label_test.dart

@@ -5,9 +5,14 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('badge'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
   group('ZetaStatusLabel Tests', () {
     testWidgets('Initializes with correct properties', (WidgetTester tester) async {
       await tester.pumpWidget(

test/src/components/badge/tag_test.dart

@@ -4,9 +4,14 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('badge'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
   group('ZetaTag', () {
     testWidgets('Initializes right with correct parameters', (WidgetTester tester) async {
       await tester.pumpWidget(

test/src/components/button/button_test.dart

@@ -7,9 +7,15 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('button'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaButton Tests', () {
     testWidgets('Initializes with correct Label', (WidgetTester tester) async {
       await tester.pumpWidget(

test/src/components/checkbox/checkbox_test.dart

@@ -7,9 +7,15 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('checkbox'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaCheckbox Tests', () {
     testWidgets('Initializes with correct parameters', (WidgetTester tester) async {
       await tester.pumpWidget(

test/src/components/dialpad/dialpad_test.dart

@@ -7,9 +7,15 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('dialpad'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaDialPad Tests', () {
     testWidgets('Initializes with correct parameters and is enabled', (WidgetTester tester) async {
       String number = '';

test/src/components/fabs/fab_test.dart

@@ -6,9 +6,15 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('fabs'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaFAB Tests', () {
     testWidgets('Initializes with correct parameters', (WidgetTester tester) async {
       final scrollController = ScrollController();

test/src/components/in_page_banner/in_page_banner_test.dart

@@ -4,9 +4,15 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('in_page_banner'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaInPageBanner Tests', () {
     testWidgets('ZetaInPageBanner creation', (WidgetTester tester) async {
       await tester.pumpWidget(

test/src/components/tooltip/tooltip_test.dart

@@ -7,9 +7,15 @@ import 'package:path/path.dart';
 import 'package:zeta_flutter/zeta_flutter.dart';
 
 import '../../../test_utils/test_app.dart';
+import '../../../test_utils/tolerant_comparator.dart';
 import '../../../test_utils/utils.dart';
 
 void main() {
+  setUpAll(() {
+    final testUri = Uri.parse(getCurrentPath('tooltip'));
+    goldenFileComparator = TolerantComparator(testUri, tolerance: 0.01);
+  });
+
   group('ZetaTooltip Widget Tests', () {
     testWidgets('renders with default properties', (WidgetTester tester) async {
       await tester.pumpWidget(

test/test_utils/test_app.dart

@@ -25,7 +25,6 @@ class TestApp extends StatelessWidget {
       initialThemeData: ZetaThemeData(rounded: rounded ?? true),
       builder: (context, themeData, themeMode) {
         return MaterialApp(
-          // debugShowCheckedModeBanner: false,
           theme: ThemeData(
             fontFamily: themeData.fontFamily,
             colorScheme: themeData.colorsLight.toScheme(),

test/test_utils/tolerant_comparator.dart

@@ -0,0 +1,67 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:image/image.dart' as img;
+
+class TolerantComparator extends LocalFileComparator {
+  TolerantComparator(super.testFile, {this.tolerance = 0.0});
+
+  final double tolerance;
+
+  @override
+  Future<bool> compare(Uint8List imageBytes, Uri golden) async {
+    final goldenFile = File.fromUri(golden);
+    if (!goldenFile.existsSync()) {
+      goldenFile
+        ..createSync(recursive: true)
+        ..writeAsBytesSync(imageBytes);
+      return true;
+    }
+
+    final goldenBytes = goldenFile.readAsBytesSync();
+    final testImage = img.decodeImage(imageBytes);
+    final goldenImage = img.decodeImage(goldenBytes);
+
+    if (testImage == null || goldenImage == null) {
+      return false;
+    }
+
+    return _compareImages(testImage, goldenImage);
+  }
+
+  bool _compareImages(img.Image testImage, img.Image goldenImage) {
+    if (testImage.width != goldenImage.width || testImage.height != goldenImage.height) {
+      return false;
+    }
+
+    int diffPixels = 0;
+    for (int y = 0; y < testImage.height; y++) {
+      for (int x = 0; x < testImage.width; x++) {
+        final testPixel = testImage.getPixel(x, y);
+        final goldenPixel = goldenImage.getPixel(x, y);
+
+        if (!_isPixelWithinTolerance(testPixel, goldenPixel)) {
+          diffPixels++;
+        }
+      }
+    }
+
+    final diffPercentage = diffPixels / (testImage.width * testImage.height);
+    return diffPercentage <= tolerance;
+  }
+
+  bool _isPixelWithinTolerance(img.Pixel testPixel, img.Pixel goldenPixel) {
+    final tr = testPixel.r;
+    final tg = testPixel.g;
+    final tb = testPixel.b;
+
+    final gr = goldenPixel.r;
+    final gg = goldenPixel.g;
+    final gb = goldenPixel.b;
+
+    return (tr - gr).abs() <= 255 * tolerance &&
+        (tg - gg).abs() <= 255 * tolerance &&
+        (tb - gb).abs() <= 255 * tolerance;
+  }
+}