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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:convert';
import 'dart:io';
import 'package:path/path.dart' as path;
import 'customer_test.dart';
Future<bool> runTests({
int repeat = 1,
bool skipOnFetchFailure = false,
bool verbose = false,
int numberShards = 1,
int shardIndex = 0,
required List<File> files,
}) async {
if (verbose) {
print('Starting run_tests.dart...');
}
// Best attempt at evenly splitting tests among the shards
final List<File> shardedFiles = <File>[];
for (int i = shardIndex; i < files.length; i += numberShards) {
shardedFiles.add(files[i]);
}
int testCount = 0;
int failures = 0;
if (verbose) {
final String s = files.length == 1 ? '' : 's';
if (numberShards > 1) {
final String ss = shardedFiles.length == 1 ? '' : 's';
print('${files.length} file$s specified. ${shardedFiles.length} test$ss in shard #$shardIndex ($numberShards shards total).');
} else {
print('${files.length} file$s specified.');
}
print('');
}
if (verbose) {
if (numberShards > 1) {
print('Tests in this shard:');
} else {
print('Tests:');
}
for (final File file in shardedFiles) {
print(file.path);
}
}
print('');
for (final File file in shardedFiles) {
if (verbose) {
print('Processing ${file.path}...');
}
void printHeader() {
if (!verbose) {
print('Processing ${file.path}...');
}
}
void failure(String message) {
printHeader();
print('ERROR: $message');
failures += 1;
}
CustomerTest instructions;
try {
instructions = CustomerTest(file);
} on FormatException catch (error) {
failure(error.message);
print('');
continue;
} on FileSystemException catch (error) {
failure(error.message);
print('');
continue;
}
bool success = true;
final Directory checkout = Directory.systemTemp.createTempSync('flutter_customer_testing.${path.basenameWithoutExtension(file.path)}.');
if (verbose) {
print('Created temporary directory: ${checkout.path}');
}
try {
assert(instructions.fetch.isNotEmpty);
for (final String fetchCommand in instructions.fetch) {
success = await shell(fetchCommand, checkout, verbose: verbose, silentFailure: skipOnFetchFailure, failedCallback: printHeader);
if (!success) {
if (skipOnFetchFailure) {
if (verbose) {
print('Skipping (fetch failed).');
} else {
print('Skipping ${file.path} (fetch failed).');
}
} else {
failure('Failed to fetch repository.');
}
break;
}
}
if (success) {
final Directory customerRepo = Directory(path.join(checkout.path, 'tests'));
for (final Directory updateDirectory in instructions.update) {
final Directory resolvedUpdateDirectory = Directory(path.join(customerRepo.path, updateDirectory.path));
if (verbose) {
print('Updating code in ${resolvedUpdateDirectory.path}...');
}
if (!File(path.join(resolvedUpdateDirectory.path, 'pubspec.yaml')).existsSync()) {
failure('The directory ${updateDirectory.path}, which was specified as an update directory, does not contain a "pubspec.yaml" file.');
success = false;
break;
}
success = await shell('flutter packages get', resolvedUpdateDirectory, verbose: verbose, failedCallback: printHeader);
if (!success) {
failure('Could not run "flutter pub get" in ${updateDirectory.path}, which was specified as an update directory.');
break;
}
success = await shell('dart fix --apply', resolvedUpdateDirectory, verbose: verbose, failedCallback: printHeader);
if (!success) {
failure('Could not run "dart fix" in ${updateDirectory.path}, which was specified as an update directory.');
break;
}
}
if (success) {
if (verbose) {
print('Running tests...');
}
for (int iteration = 0; iteration < repeat; iteration += 1) {
if (verbose && repeat > 1) {
print('Round ${iteration + 1} of $repeat.');
}
for (final String testCommand in instructions.tests) {
testCount += 1;
success = await shell(testCommand, customerRepo, verbose: verbose, failedCallback: printHeader);
if (!success) {
failure('One or more tests from ${path.basenameWithoutExtension(file.path)} failed.');
break;
}
}
}
if (verbose && success) {
print('Tests finished.');
}
}
}
} finally {
if (verbose) {
print('Deleting temporary directory...');
}
try {
checkout.deleteSync(recursive: true);
} on FileSystemException {
print('Failed to delete "${checkout.path}".');
}
}
if (!success) {
final String s = instructions.contacts.length == 1 ? '' : 's';
print('Contact$s: ${instructions.contacts.join(", ")}');
}
if (verbose || !success) {
print('');
}
}
if (failures > 0) {
final String s = failures == 1 ? '' : 's';
print('$failures failure$s.');
return false;
}
print('$testCount tests all passed!');
return true;
}
final RegExp _spaces = RegExp(r' +');
Future<bool> shell(String command, Directory directory, { bool verbose = false, bool silentFailure = false, void Function()? failedCallback }) async {
if (verbose) {
print('>> $command');
}
Process process;
if (Platform.isWindows) {
process = await Process.start('CMD.EXE', <String>['/S', '/C', command], workingDirectory: directory.path);
} else {
final List<String> segments = command.trim().split(_spaces);
process = await Process.start(segments.first, segments.skip(1).toList(), workingDirectory: directory.path);
}
final List<String> output = <String>[];
utf8.decoder.bind(process.stdout).transform(const LineSplitter()).listen(verbose ? printLog : output.add);
utf8.decoder.bind(process.stderr).transform(const LineSplitter()).listen(verbose ? printLog : output.add);
final bool success = await process.exitCode == 0;
if (success || silentFailure) {
return success;
}
if (!verbose) {
if (failedCallback != null) {
failedCallback();
}
print('>> $command');
output.forEach(printLog);
}
return success;
}
void printLog(String line) {
print('| $line'.trimRight());
}