// 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. import 'dart:io'; import 'package:args/args.dart'; import 'package:file/local.dart'; import 'package:glob/glob.dart'; import 'package:path/path.dart' as path; import 'lib/runner.dart'; Future<void> main(List<String> arguments) async { exit(await run(arguments) ? 0 : 1); } // Return true if successful, false if failed. Future<bool> run(List<String> arguments) async { final ArgParser argParser = ArgParser( allowTrailingOptions: false, usageLineLength: 72, ) ..addOption( 'repeat', defaultsTo: '1', help: 'How many times to run each test. Set to a high value to look for flakes. If a test specifies a number of iterations, the lower of the two values is used.', valueHelp: 'count', ) ..addOption( 'shards', defaultsTo: '1', help: 'How many shards to split the tests into. Used in continuous integration.', valueHelp: 'count', ) ..addOption( 'shard-index', defaultsTo: '0', help: 'The current shard to run the tests with the range [0 .. shards - 1]. Used in continuous integration.', valueHelp: 'count', ) ..addFlag( 'skip-on-fetch-failure', help: 'Whether to skip tests that we fail to download.', ) ..addFlag( 'skip-template', help: 'Whether to skip tests named "template.test".', ) ..addFlag( 'verbose', help: 'Describe what is happening in detail.', ) ..addFlag( 'help', negatable: false, help: 'Print this help message.', ); void printHelp() { print('run_tests.dart [options...] path/to/file1.test path/to/file2.test...'); print('For details on the test registry format, see:'); print(' https://github.com/flutter/tests/blob/master/registry/template.test'); print(''); print(argParser.usage); print(''); } ArgResults parsedArguments; try { parsedArguments = argParser.parse(arguments); } on ArgParserException catch (error) { printHelp(); print('Error: ${error.message} Use --help for usage information.'); exit(1); } final int? repeat = int.tryParse(parsedArguments['repeat'] as String); final bool skipOnFetchFailure = parsedArguments['skip-on-fetch-failure'] as bool; final bool skipTemplate = parsedArguments['skip-template'] as bool; final bool verbose = parsedArguments['verbose'] as bool; final bool help = parsedArguments['help'] as bool; final int? numberShards = int.tryParse(parsedArguments['shards'] as String); final int? shardIndex = int.tryParse(parsedArguments['shard-index'] as String); final List<File> files = parsedArguments .rest .expand((String path) => Glob(path).listFileSystemSync(const LocalFileSystem())) .whereType<File>() .where((File file) => !skipTemplate || path.basename(file.path) != 'template.test') .toList(); if (help || repeat == null || files.isEmpty || numberShards == null || numberShards <= 0 || shardIndex == null || shardIndex < 0) { printHelp(); if (verbose) { if (repeat == null) { print('Error: Could not parse repeat count ("${parsedArguments['repeat']}")'); } if (numberShards == null) { print('Error: Could not parse shards count ("${parsedArguments['shards']}")'); } else if (numberShards < 1) { print('Error: The specified shards count ($numberShards) is less than 1. It must be greater than zero.'); } if (shardIndex == null) { print('Error: Could not parse shard index ("${parsedArguments['shard-index']}")'); } else if (shardIndex < 0) { print('Error: The specified shard index ($shardIndex) is negative. It must be in the range [0 .. shards - 1].'); } if (parsedArguments.rest.isEmpty) { print('Error: No file arguments specified.'); } else if (files.isEmpty) { print('Error: File arguments ("${parsedArguments.rest.join('", "')}") did not identify any real files.'); } } return help; } if (shardIndex > numberShards - 1) { print( 'Error: The specified shard index ($shardIndex) is more than the specified number of shards ($numberShards). ' 'It must be in the range [0 .. shards - 1].' ); return false; } if (files.length < numberShards) { print('Warning: There are more shards than tests. Some shards will not run any tests.'); } return runTests( repeat: repeat, skipOnFetchFailure: skipOnFetchFailure, verbose: verbose, numberShards: numberShards, shardIndex: shardIndex, files: files, ); }