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Find element work for non hitTestable elements. #39

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Find element work for non hitTestable elements. #39

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48 changes: 45 additions & 3 deletions server/lib/src/utils/element_helper.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,27 @@ class ElementHelper {
static Future<Finder> findElement(Finder by, {String? contextId}) async {
List<Finder> elementList =
await findElements(by, contextId: contextId, evaluatePresence: true);
log("Element found ${elementList.first}");
final Finder? hitTestableElement =
getFirstHitTestableElementIfPresent(elementList);
if (hitTestableElement != null) {
log("The hitTestable element found $hitTestableElement");
return hitTestableElement;
}
log("The non-hitTestable element found ${elementList.first}");
return elementList.first;
}

static Finder? getFirstHitTestableElementIfPresent(List<Finder> elementList) {
for (Finder element in elementList) {
try {
if (element.hitTestable().tryEvaluate()) {
return element;
}
} catch (_) {}
}
return null;
}

static Future<List<Finder>> findElements(Finder by,
{String? contextId, bool evaluatePresence = false}) async {
Finder finder = by;
Expand All @@ -42,7 +59,6 @@ class ElementHelper {

finder = find.descendant(of: parent.by, matching: by);
}
finder = finder.hitTestable();
final FinderResult<Element> elements = finder.evaluate();
if (evaluatePresence) {
await waitForElementExist(FlutterElement.fromBy(finder),
Expand All @@ -57,11 +73,37 @@ class ElementHelper {

List<Finder> elementList = [];
for (int i = 0; i < elements.length; i++) {
elementList.add(finder.at(i));
if (isVisibleOnAppScreen(elements.elementAt(i))) {
elementList.add(finder.at(i));
}
}
return elementList;
}

static bool isVisibleOnAppScreen(Element finderElement) {
if (finderElement.renderObject is! RenderBox) {
return true;
}
final WidgetTester tester = _getTester();
final widgetRect =
tester.getRect(find.byElementPredicate((e) => e == finderElement));

final allWidgets = tester.allWidgets.toList();

for (final widget in allWidgets) {
final elements = find.byWidget(widget).evaluate();
for (final element in elements) {
if (element.renderObject is RenderBox) {
final rootRect = tester.getRect(
find.byElementPredicate((e) => e == element),
);
return widgetRect.overlaps(rootRect);
}
}
}
return false;
}

static Future<void> click(FlutterElement element) async {
WidgetTester tester = _getTester();
await tester.tap(element.by);
Expand Down