Nested groups and test cases example.

main.dart

class DartTestGroup {
  String name = '';
  List<DartTestCase> tests = [];
  List<DartTestGroup> groups = [];

  DartTestGroup({
    required this.name,
    this.tests = const [],
    this.groups = const [],
  });
}

class DartTestCase {
  String name = '';s

  DartTestCase({
    required this.name,
  });
}

void main() {
  DartTestGroup topGroup = DartTestGroup(
    name: 'top',
    groups: [
      DartTestGroup(
        name: 'example_test.dart',
        tests: [
          DartTestCase(name: 'direct descendant 1'),
          DartTestCase(name: 'direct descendant 2'),
        ],
        groups: [
          DartTestGroup(
            name: 'dummy tests',
            tests: [
              DartTestCase(name: 'dummy test 1'),
              DartTestCase(name: 'dummy test 2'),
            ],
          ),
          DartTestGroup(
            name: 'maps apps',
            tests: [
              DartTestCase(name: 'run Google maps'),
              DartTestCase(name: 'run Waze maps'),
            ],
          ),
        ],
      ),
    ],
  );

  printGroupStructure(topGroup, 0);
}

void printGroupStructure(DartTestGroup group, int indentation) {
  String indent = ' ' * indentation;
  print('$indent-- group: \'${group.name}\'');

  for (var testCase in group.tests) {
    print('$indent     -- test: \'${testCase.name}\'');
  }

  for (var subgroup in group.groups) {
    printGroupStructure(subgroup, indentation + 5);
  }
}