import 'dart:convert';
import 'dart:io';

import 'package:test/test.dart';

void main() {
  test('check --format json --write-baseline keeps stdout pure JSON', () async {
    // The "wrote baseline" status line used to follow the JSON document on
    // stdout, so `pipe check --format json --write-baseline b.json | jq` failed.
    final temp = Directory.systemTemp.createTempSync('pipe-json-stdout');
    final baseline = '${temp.path}/baseline.json';
    final result = await Process.run(Platform.resolvedExecutable, [
      'bin/pipe.dart',
      'check',
      'test/fixtures/stuck_loading',
      '--format',
      'json',
      '--write-baseline',
      baseline,
      '-c',
      '1',
    ]);
    expect(result.exitCode, 0, reason: '${result.stderr}');
    expect(() => jsonDecode(result.stdout as String), returnsNormally);
    expect(result.stderr as String, contains('wrote baseline'));
  });
}