toReportSection method

String toReportSection(List<InteractionResult> results)

Implementation

String toReportSection(List<InteractionResult> results) {
  final buffer = StringBuffer();
  buffer.writeln('INTERACTION TEST RESULTS:');

  final executed = results.where((r) => r.executed).toList();
  final skipped = results.where((r) => !r.executed).toList();
  final janky =
      executed.where((r) => (r.performance?.jankyFrames ?? 0) > 0).toList();

  buffer.writeln('- Total interactions: ${results.length}');
  buffer.writeln('- Executed: ${executed.length}');
  buffer.writeln('- Skipped (risky): ${skipped.length}');
  buffer.writeln('- Interactions with jank: ${janky.length}');

  if (janky.isNotEmpty) {
    buffer.writeln('');
    buffer.writeln('JANKY INTERACTIONS (worst first):');
    janky.sort((a, b) => (b.performance?.jankyFrames ?? 0)
        .compareTo(a.performance?.jankyFrames ?? 0));
    for (final r in janky.take(5)) {
      buffer.writeln(
        '  - ${r.interaction.widgetType} at '
        '${r.interaction.file}:${r.interaction.line} — '
        '${r.performance?.jankyFrames} janky frames',
      );
    }
  }

  if (skipped.isNotEmpty) {
    buffer.writeln('');
    buffer.writeln('SKIPPED (manual testing needed):');
    for (final r in skipped.take(5)) {
      buffer.writeln('  - ${r.interaction.widgetType}: ${r.outcome}');
    }
  }

  return buffer.toString();
}