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// 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.',
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,
);
}