precacheAllImages function
Helper method to precache All Image widgets.
Image widget fire a asynchronized task to load the image without waiting for its future. There is no direct way to wait for image.
Source:
Implementation
Future<void> precacheAllImages(
WidgetTester tester,
) async {
await tester.runAsync(() async {
for (Element element in find.byType(Image).evaluate()) {
final Image widget = element.widget as Image;
final ImageProvider image = widget.image;
await precacheImage(image, element);
}
});
await tester.pumpAndSettle();
}