Add lazy loading for html tag use background-image

Signed-off-by: dab246 <tdvu@linagora.com> (cherry picked from commit 7f1a3b22ee8973c6756534a2c7da3cc1964ea9de)
2023-10-16 18:45:27 +07:00
parent 72ba6d4145
commit 967015d0df
6 changed files with 130 additions and 16 deletions
@@ -0,0 +1,34 @@
+import 'package:core/presentation/utils/html_transformer/dom/image_transformers.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  const imageTransformer = ImageTransformer();
+
+  group('findImageUrlFromStyleTag test', () {
+    test('Test findImageUrlFromStyleTag with valid input', () {
+      const style = 'background-image: url(\'example.com/image.jpg\');';
+      final result = imageTransformer.findImageUrlFromStyleTag(style);
+      expect(result!.value1, 'background-image: url(\'example.com/image.jpg\')');
+      expect(result.value2, 'example.com/image.jpg');
+    });
+
+    test('Test findImageUrlFromStyleTag with valid input and no quotation marks', () {
+      const style = 'background-image: url(example.com/image.jpg);';
+      final result = imageTransformer.findImageUrlFromStyleTag(style);
+      expect(result!.value1, 'background-image: url(example.com/image.jpg)');
+      expect(result.value2, 'example.com/image.jpg');
+    });
+
+    test('Test findImageUrlFromStyleTag with empty input', () {
+      const style = '';
+      final result = imageTransformer.findImageUrlFromStyleTag(style);
+      expect(result, null);
+    });
+
+    test('Test findImageUrlFromStyleTag with invalid input', () {
+      const style = 'background-image: invalid-url(\'example.com/image.jpg\');';
+      final result = imageTransformer.findImageUrlFromStyleTag(style);
+      expect(result, null);
+    });
+  });
+}