test: add tests

Author: xsahil03x

packages/stream_chat_flutter/test/src/ai_assistant/ai_typing_indicator_view_test.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:stream_chat_flutter/src/ai_assistant/ai_typing_indicator_view.dart';
+
+void main() {
+  group('AITypingIndicatorView', () {
+    testWidgets('displays the provided text', (WidgetTester tester) async {
+      const dotCount = 5;
+      const testText = 'AI is thinking';
+
+      await tester.pumpWidget(
+        const MaterialApp(
+          home: Scaffold(
+            body: AITypingIndicatorView(
+              text: testText,
+              dotCount: dotCount,
+            ),
+          ),
+        ),
+      );
+
+      await tester.pump(const Duration(milliseconds: 200 * dotCount));
+
+      expect(find.text(testText), findsOneWidget);
+    });
+
+    testWidgets('applies the provided textStyle', (WidgetTester tester) async {
+      const dotCount = 5;
+      const testText = 'AI is thinking';
+      const textStyle = TextStyle(fontSize: 20, color: Colors.blue);
+
+      await tester.pumpWidget(
+        const MaterialApp(
+          home: Scaffold(
+            body: AITypingIndicatorView(
+              text: testText,
+              textStyle: textStyle,
+              dotCount: dotCount,
+            ),
+          ),
+        ),
+      );
+
+      await tester.pump(const Duration(milliseconds: 200 * dotCount));
+
+      final textWidget = tester.widget<Text>(find.text(testText));
+      expect(textWidget.style?.fontSize, equals(20));
+      expect(textWidget.style?.color, equals(Colors.blue));
+    });
+  });
+}

packages/stream_chat_flutter/test/src/ai_assistant/streaming_message_view_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:stream_chat_flutter/src/ai_assistant/stream_typewriter_builder.dart';
+import 'package:stream_chat_flutter/src/ai_assistant/streaming_message_view.dart';
+import 'package:stream_chat_flutter/src/misc/markdown_message.dart';
+
+void main() {
+  group('StreamingMessageView Tests', () {
+    testWidgets(
+      'displays initial text',
+      (WidgetTester tester) async {
+        const testText = 'Hello, world!';
+
+        await tester.pumpWidget(
+          const MaterialApp(
+            home: Scaffold(
+              body: StreamingMessageView(text: testText),
+            ),
+          ),
+        );
+
+        expect(find.text(testText), findsOneWidget);
+      },
+    );
+
+    testWidgets(
+      'updates text progressively like a typewriter',
+      (WidgetTester tester) async {
+        const testText = 'Hello, world!';
+        const typingSpeed = Duration(milliseconds: 20);
+
+        await tester.pumpWidget(
+          const MaterialApp(
+            home: Scaffold(
+              body: StreamingMessageView(
+                text: testText,
+                typingSpeed: typingSpeed,
+              ),
+            ),
+          ),
+        );
+
+        expect(find.text(testText), findsOneWidget);
+
+        const updatedText = 'Hello, world! How are you?';
+        await tester.pumpWidget(
+          const MaterialApp(
+            home: Scaffold(
+              body: StreamingMessageView(
+                text: updatedText,
+                typingSpeed: typingSpeed,
+              ),
+            ),
+          ),
+        );
+
+        await tester.pump(typingSpeed * updatedText.length);
+
+        expect(find.text(updatedText), findsOneWidget);
+      },
+    );
+
+    testWidgets(
+      'handles links correctly',
+      (WidgetTester tester) async {
+        const testText = '[Click me](https://example.com)';
+        const typingSpeed = Duration(milliseconds: 20);
+        String? tappedLink;
+
+        await tester.pumpWidget(
+          MaterialApp(
+            home: Scaffold(
+              body: StreamingMessageView(
+                text: testText,
+                typingSpeed: typingSpeed,
+                onTapLink: (String link, String? href, String title) {
+                  tappedLink = href;
+                },
+              ),
+            ),
+          ),
+        );
+
+        await tester.pump(typingSpeed * testText.length);
+
+        final linkFinder = find.text('Click me');
+        expect(linkFinder, findsOneWidget);
+        await tester.tap(linkFinder);
+
+        expect(tappedLink, equals('https://example.com'));
+      },
+    );
+  });
+}