Merge branch 'grundid/master'

# Conflicts:
#	packages/form_builder_extra_fields/test/form_builder_tester.dart

Author: danvick

packages/flutter_form_builder/test/form_builder_filter_chips_test.dart

@@ -30,4 +30,45 @@ void main() {
     expect(formSave(), isTrue);
     expect(formValue(widgetName), equals(<num>[1, 3]));
   });
+  testWidgets('FormBuilderCheckboxGroup -- didChange',
+      (WidgetTester tester) async {
+    const fieldName = 'cbg1';
+    final testWidget = FormBuilderCheckboxGroup<int>(
+      name: fieldName,
+      options: const [
+        FormBuilderFieldOption(key: ValueKey('1'), value: 1),
+        FormBuilderFieldOption(key: ValueKey('2'), value: 2),
+        FormBuilderFieldOption(key: ValueKey('3'), value: 3),
+      ],
+    );
+    await tester.pumpWidget(buildTestableFieldWidget(testWidget));
+
+    expect(formSave(), isTrue);
+    expect(formValue(fieldName), isNull);
+    formFieldDidChange(fieldName, [1, 3]);
+    await tester.pumpAndSettle();
+    expect(formSave(), isTrue);
+    expect(formValue(fieldName), [1, 3]);
+
+    Checkbox checkbox1 = tester
+        .element(find.byKey(const ValueKey('1')))
+        .findAncestorWidgetOfExactType<Row>()!
+        .children
+        .first as Checkbox;
+    Checkbox checkbox2 = tester
+        .element(find.byKey(const ValueKey('2')))
+        .findAncestorWidgetOfExactType<Row>()!
+        .children
+        .first as Checkbox;
+    Checkbox checkbox3 = tester
+        .element(find.byKey(const ValueKey('3')))
+        .findAncestorWidgetOfExactType<Row>()!
+        .children
+        .first as Checkbox;
+
+    // checkboxes should represent the state of the didChange value
+    expect(checkbox1.value, true);
+    expect(checkbox2.value, false);
+    expect(checkbox3.value, true);
+  });
 }

packages/form_builder_extra_fields/test/form_builder_tester.dart

@@ -15,4 +15,8 @@ Widget buildTestableFieldWidget(Widget widget) {
 }
 
 bool formSave() => _formKey.currentState!.saveAndValidate();
+void formFieldDidChange(String fieldName, dynamic value) {
+  _formKey.currentState!.fields[fieldName]!.didChange(value);
+}
+
 dynamic formFieldValue(String name) => _formKey.currentState!.value[name];