import 'package:pipe/pipe.dart';
import 'package:test/test.dart';

void main() {
  test('omits the by-type clause when the app declares no providers', () {
    // Before this was fixed, a project with notifiers but no provider
    // declarations rendered `... notify path. Provider declarations by type: .`
    // - a dangling colon and full stop that reads as a truncated sentence
    // rather than as "this app declares none". Observed on word_alive.
    final note = providerRuleNote(
      notifiers: 10,
      consumed: 0,
      mutators: 36,
      byKind: const {},
    );

    expect(note, isNot(contains('by type')));
    expect(note, isNot(contains(': .')));
    expect(note, endsWith('notify path.'));
  });

  test('lists declaration kinds, most common first, when there are some', () {
    final note = providerRuleNote(
      notifiers: 8,
      consumed: 6,
      mutators: 30,
      byKind: const {'ChangeNotifierProvider': 6, 'Provider': 107},
    );

    expect(
      note,
      endsWith(
        'Provider declarations by type: Provider 107, '
        'ChangeNotifierProvider 6.',
      ),
    );
  });
}