test_integration/test/translate_test.dart

// Copyright 2021 Google LLC
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

import 'package:googleapis/translate/v3.dart';
import 'package:test/test.dart';
import 'package:test_integration/shared.dart';
import 'package:test_integration/test_integration.dart';

void main() {
  test('translate test', () async {
    await withClientFromDefaultCredentials(
      [TranslateApi.cloudTranslationScope],
      (client) async {
        final api = TranslateApi(client).projects;

        final input = [
          'Hello, world!',
          'Where is the bathroom?',
          'Nice to meet you.',
        ];

        final result = await api.translateText(
          TranslateTextRequest()
            ..contents = input
            ..targetLanguageCode = 'es',
          'projects/${readConfig('project_name')}',
        );

        print(prettyJsonEncode(result));

        expect(
          result.translations!.map((e) => e.detectedLanguageCode!),
          everyElement('en'),
        );

        expect(result.translations, hasLength(input.length));

        for (var i = 0; i < result.translations!.length; i++) {
          print(
            [
              input[i].padRight(25),
              result.translations![i].translatedText,
            ].join(' '),
          );
        }
      },
    );
  });
}