feat: add widget tests and GitHub Actions CI

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+    branches: [master, develop]
+  pull_request:
+    branches: [master, develop]
+
+jobs:
+  test:
+    name: Analyze, format, test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+          flutter-version: '3.27.0'
+          cache: true
+
+      - name: Print Flutter version
+        run: flutter --version
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Verify formatting
+        run: dart format --output=none --set-exit-if-changed lib/ test/
+
+      - name: Static analysis
+        run: dart analyze --fatal-infos --fatal-warnings lib/ test/
+
+      - name: Run tests
+        run: flutter test
+
+      - name: Dry-run publish (catches packaging issues)
+        run: flutter pub publish --dry-run

README.md

@@ -1,6 +1,7 @@
 # chat_bubbles plugin
 
 ![Pub Version](https://img.shields.io/pub/v/chat_bubbles?color=blue)
+[![CI](https://github.com/prahack/chat_bubbles/actions/workflows/ci.yml/badge.svg)](https://github.com/prahack/chat_bubbles/actions/workflows/ci.yml)
 ![GitHub](https://img.shields.io/github/license/prahack/chat_bubbles)
 ![GitHub forks](https://img.shields.io/github/forks/prahack/chat_bubbles)
 ![GitHub Repo stars](https://img.shields.io/github/stars/prahack/chat_bubbles)

lib/algo/date_chip_text.dart

@@ -20,8 +20,7 @@ class DateChipText {
     final now = DateTime.now();
     if (_formatter.format(now) == _formatter.format(date)) {
       return 'Today';
-    } else if (_formatter
-            .format(DateTime(now.year, now.month, now.day - 1)) ==
+    } else if (_formatter.format(DateTime(now.year, now.month, now.day - 1)) ==
         _formatter.format(date)) {
       return 'Yesterday';
     } else {

lib/bubbles/bubble_link_preview.dart

@@ -36,82 +36,82 @@ const double defaultBubbleRadiusLinkPreview = 16;
 class BubbleLinkPreview extends StatelessWidget {
   /// the URL being previewed
   final String url;
-  
+
   /// the title of the link preview
   final String? title;
-  
+
   /// the description of the link preview
   final String? description;
-  
+
   /// the preview image URL
   final String? imageUrl;
-  
+
   /// optional message text accompanying the link
   final String? text;
-  
+
   /// chat bubble [BorderRadius]
   final double bubbleRadius;
-  
+
   /// message sender
   final bool isSender;
-  
+
   /// chat bubble color
   final Color color;
-  
+
   /// link preview card background color
   final Color? previewBackgroundColor;
-  
+
   /// chat bubble tail
   final bool tail;
-  
+
   /// message state - whether the message has been sent
   final bool sent;
-  
+
   /// message state - whether the message has been delivered
   final bool delivered;
-  
+
   /// message state - whether the message has been seen
   final bool seen;
-  
+
   /// text style for the message text
   final TextStyle textStyle;
-  
+
   /// text style for the link preview title
   final TextStyle? titleTextStyle;
-  
+
   /// text style for the link preview description
   final TextStyle? descriptionTextStyle;
-  
+
   /// text style for the URL
   final TextStyle? urlTextStyle;
-  
+
   /// constraints for the chat bubble
   final BoxConstraints? constraints;
-  
+
   /// widget displayed before the bubble for non-senders
   final Widget? leading;
-  
+
   /// widget displayed after the bubble for senders
   final Widget? trailing;
-  
+
   /// outer margin of the bubble
   final EdgeInsets margin;
-  
+
   /// inner padding of the bubble
   final EdgeInsets padding;
-  
+
   /// callback function when the bubble is tapped
   final VoidCallback? onTap;
-  
+
   /// callback function when the bubble is long pressed
   final VoidCallback? onLongPress;
-  
+
   /// callback function when the link preview is tapped
   final VoidCallback? onLinkTap;
-  
+
   /// height of the preview image
   final double? imageHeight;
-  
+
   /// whether to show the preview image
   final bool showImage;
 
@@ -170,7 +170,7 @@ class BubbleLinkPreview extends StatelessWidget {
   Widget build(BuildContext context) {
     bool stateTick = false;
     Icon? stateIcon;
-    
+
     if (sent) {
       stateTick = true;
       stateIcon = Icon(
@@ -279,12 +279,14 @@ class BubbleLinkPreview extends StatelessWidget {
                         color: previewBackgroundColor ??
                             Colors.grey.withValues(alpha: 0.1),
                         borderRadius: BorderRadius.only(
-                          topLeft: (text == null || text!.isEmpty) && !isForwarded
-                              ? Radius.circular(bubbleRadius)
-                              : Radius.zero,
-                          topRight: (text == null || text!.isEmpty) && !isForwarded
-                              ? Radius.circular(bubbleRadius)
-                              : Radius.zero,
+                          topLeft:
+                              (text == null || text!.isEmpty) && !isForwarded
+                                  ? Radius.circular(bubbleRadius)
+                                  : Radius.zero,
+                          topRight:
+                              (text == null || text!.isEmpty) && !isForwarded
+                                  ? Radius.circular(bubbleRadius)
+                                  : Radius.zero,
                           bottomLeft: Radius.circular(tail
                               ? isSender
                                   ? bubbleRadius
@@ -301,13 +303,17 @@ class BubbleLinkPreview extends StatelessWidget {
                         crossAxisAlignment: CrossAxisAlignment.start,
                         children: [
                           // Preview image
-                          if (showImage && imageUrl != null && imageUrl!.isNotEmpty)
+                          if (showImage &&
+                              imageUrl != null &&
+                              imageUrl!.isNotEmpty)
                             ClipRRect(
                               borderRadius: BorderRadius.only(
-                                topLeft: (text == null || text!.isEmpty) && !isForwarded
+                                topLeft: (text == null || text!.isEmpty) &&
+                                        !isForwarded
                                     ? Radius.circular(bubbleRadius)
                                     : Radius.zero,
-                                topRight: (text == null || text!.isEmpty) && !isForwarded
+                                topRight: (text == null || text!.isEmpty) &&
+                                        !isForwarded
                                     ? Radius.circular(bubbleRadius)
                                     : Radius.zero,
                               ),
@@ -344,11 +350,13 @@ class BubbleLinkPreview extends StatelessWidget {
                                     overflow: TextOverflow.ellipsis,
                                   ),
                                 // Description
-                                if (description != null && description!.isNotEmpty) ...[
+                                if (description != null &&
+                                    description!.isNotEmpty) ...[
                                   SizedBox(height: 4),
                                   Text(
                                     description!,
-                                    style: descriptionTextStyle ?? defaultDescriptionStyle,
+                                    style: descriptionTextStyle ??
+                                        defaultDescriptionStyle,
                                     maxLines: 3,
                                     overflow: TextOverflow.ellipsis,
                                   ),
@@ -383,7 +391,8 @@ class BubbleLinkPreview extends StatelessWidget {
                   // Message status row
                   if (showStatusArea)
                     Padding(
-                      padding: const EdgeInsets.only(right: 8, bottom: 6, top: 4),
+                      padding:
+                          const EdgeInsets.only(right: 8, bottom: 6, top: 4),
                       child: Align(
                         alignment: Alignment.centerRight,
                         child: BubbleStatusRow(

lib/bubbles/bubble_normal.dart

@@ -50,44 +50,64 @@ const double defaultBubbleRadius = 16;
 class BubbleNormal extends StatelessWidget {
   /// chat bubble [BorderRadius]
   final double bubbleRadius;
+
   /// message sender
   final bool isSender;
+
   /// chat bubble color
   final Color color;
+
   /// message text
   final String text;
+
   /// chat bubble tail
   final bool tail;
+
   /// message state - whether the message has been sent
   final bool sent;
+
   /// message state - whether the message has been delivered
   final bool delivered;
+
   /// message state - whether the message has been seen
   final bool seen;
+
   /// text style for the message
   final TextStyle textStyle;
+
   /// constraints for the chat bubble
   final BoxConstraints? constraints;
+
   /// widget displayed before the bubble for non-senders
   final Widget? leading;
+
   /// widget displayed after the bubble for senders
   final Widget? trailing;
+
   /// outer margin of the bubble
   final EdgeInsets margin;
+
   /// inner padding of the bubble
   final EdgeInsets padding;
+
   /// callback function when the bubble is tapped
   final VoidCallback? onTap;
+
   /// callback function when the bubble is double tapped
   final VoidCallback? onDoubleTap;
+
   /// callback function when the bubble is long pressed
   final VoidCallback? onLongPress;
+
   /// optional timestamp string shown at the bottom-right (e.g. "12:34 PM")
   final String? timestamp;
+
   /// shows an "Edited" label next to the status area when true
   final bool isEdited;
+
   /// shows a "Forwarded" banner at the top of the bubble when true
   final bool isForwarded;
+
   /// optional identifier for tracking the message
   final String? messageId;