| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This is a CLI library; we use prints as part of the interface. |
| // ignore_for_file: avoid_print |
| |
| import 'dart:async'; |
| import 'dart:convert'; |
| import 'dart:io'; |
| |
| import 'package:flutter_driver/flutter_driver.dart'; |
| import 'package:path/path.dart' as path; |
| |
| import 'common.dart'; |
| |
| /// Flutter Driver test output directory. |
| /// |
| /// Tests should write any output files to this directory. Defaults to the path |
| /// set in the FLUTTER_TEST_OUTPUTS_DIR environment variable, or `build` if |
| /// unset. |
| String testOutputsDirectory = |
| Platform.environment['FLUTTER_TEST_OUTPUTS_DIR'] ?? 'build'; |
| |
| /// The callback type to handle [Response.data] after the test |
| /// succeeds. |
| typedef ResponseDataCallback = FutureOr<void> Function(Map<String, dynamic>?); |
| |
| /// Writes a json-serializable data to |
| /// [testOutputsDirectory]/`testOutputFilename.json`. |
| /// |
| /// This is the default `responseDataCallback` in [integrationDriver]. |
| Future<void> writeResponseData( |
| Map<String, dynamic>? data, { |
| String testOutputFilename = 'integration_response_data', |
| String? destinationDirectory, |
| }) async { |
| destinationDirectory ??= testOutputsDirectory; |
| await fs.directory(destinationDirectory).create(recursive: true); |
| final File file = fs.file(path.join( |
| destinationDirectory, |
| '$testOutputFilename.json', |
| )); |
| final String resultString = _encodeJson(data, true); |
| await file.writeAsString(resultString); |
| } |
| |
| /// Adaptor to run an integration test using `flutter drive`. |
| /// |
| /// To run an integration test `<test_name>.dart` using `flutter drive`, put a file named |
| /// `<test_name>_test.dart` in the app's `test_driver` directory: |
| /// |
| /// ```dart |
| /// import 'dart:async'; |
| /// |
| /// import 'package:integration_test/integration_test_driver.dart'; |
| /// |
| /// Future<void> main() async => integrationDriver(); |
| /// |
| /// ``` |
| /// |
| /// ## Parameters: |
| /// |
| /// `timeout` controls the longest time waited before the test ends. |
| /// It is not necessarily the execution time for the test app: the test may |
| /// finish sooner than the `timeout`. |
| /// |
| /// `responseDataCallback` is the handler for processing [Response.data]. |
| /// The default value is `writeResponseData`. |
| Future<void> integrationDriver({ |
| Duration timeout = const Duration(minutes: 20), |
| ResponseDataCallback? responseDataCallback = writeResponseData, |
| }) async { |
| final FlutterDriver driver = await FlutterDriver.connect(); |
| final String jsonResult = await driver.requestData(null, timeout: timeout); |
| final Response response = Response.fromJson(jsonResult); |
| |
| await driver.close(); |
| |
| if (response.allTestsPassed) { |
| print('All tests passed.'); |
| if (responseDataCallback != null) { |
| await responseDataCallback(response.data); |
| } |
| exit(0); |
| } else { |
| print('Failure Details:\n${response.formattedFailureDetails}'); |
| exit(1); |
| } |
| } |
| |
| const JsonEncoder _prettyEncoder = JsonEncoder.withIndent(' '); |
| |
| String _encodeJson(Map<String, dynamic>? jsonObject, bool pretty) { |
| return pretty ? _prettyEncoder.convert(jsonObject) : json.encode(jsonObject); |
| } |