[tool] find_builders.dart

A script to find all try jobs for a set of tests.

Usage:

```
$ tools/find_builders.dart ffi/regress_51504_test ffi/regress_51913_test
Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64,...
```

Change-Id: I85abd3ca2b2adf4e184a38f5ef821d40fbd97bf2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/314800
Auto-Submit: Daco Harkes <[email protected]>
Reviewed-by: William Hesse <[email protected]>
Commit-Queue: William Hesse <[email protected]>
Commit-Queue: Daco Harkes <[email protected]>

Author: dcharkes

tools/find_builders.dart

@@ -0,0 +1,121 @@
+#!/usr/bin/env dart
+// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// A script to find all try jobs for a set of tests.
+//
+// Usage:
+//
+// ```
+// $ tools/find_builders.dart ffi/regress_51504_test ffi/regress_51913_test
+// Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64,...
+// ```
+
+import 'dart:convert';
+import 'dart:io';
+
+// TODO(dacoharkes): Be able to use test full paths instead of test names.
+// TODO(dacoharkes): Be able to use different filters.
+Future<void> main(List<String> args) async {
+  if (args.contains('--help')) {
+    return printHelp();
+  }
+  final testNames = args;
+
+  final configurations = _filterConfigurations({
+    for (final testName in testNames) ...await _testGetConfigurations(testName),
+  });
+  final configurationBuilders = await _configurationBuilders();
+  final builders = [
+    for (final config in configurations) configurationBuilders[config]
+  ]..sort();
+
+  print('Cq-Include-Trybots: luci.dart.try:${builders.join(',')}');
+}
+
+Future<List<String>> _testGetConfigurations(String testName) async {
+  final requestUrl = Uri.parse(
+      'https://current-results-qvyo5rktwa-uc.a.run.app/v1/results?filter=$testName');
+  final response = await _get(requestUrl);
+  final object = jsonDecode(response) as Map<String, dynamic>;
+  final results = (object['results'] as List).cast<Map<String, dynamic>>();
+  return [for (final result in results) result['configuration'] as String];
+}
+
+Future<String> _get(Uri requestUrl) async {
+  final client = HttpClient();
+  final request = await client.getUrl(requestUrl);
+  final response = await request.close();
+  final responseString =
+      await response.cast<List<int>>().transform(const Utf8Decoder()).join();
+  client.close();
+  return responseString;
+}
+
+Iterable<String> _filterConfigurations(Set<String> configs) {
+  final result = <String>[];
+  for (final config in configs) {
+    if (config.contains('debug')) {
+      result.add(config);
+    } else if (config.contains('release') &&
+        !configs.contains(config.replaceFirst('release', 'debug'))) {
+      result.add(config);
+    } else if (config.contains('profile') &&
+        !configs.contains(config.replaceFirst('profile', 'debug')) &&
+        !configs.contains(config.replaceFirst('profile', 'release'))) {
+      result.add(config);
+    }
+  }
+  return result..sort();
+}
+
+Stream<Map<String, dynamic>> _configurationDocuments() async* {
+  String? nextPageToken;
+  while (true) {
+    final requestUrl = Uri(
+      scheme: 'https',
+      host: 'firestore.googleapis.com',
+      path: 'v1/projects/dart-ci/databases/(default)/documents/configurations',
+      queryParameters: {
+        'pageSize': '300',
+        if (nextPageToken != null) 'pageToken': nextPageToken,
+      },
+    );
+    final response = await _get(requestUrl);
+    final object = jsonDecode(response) as Map<String, dynamic>;
+    final documents =
+        (object['documents'] as List).cast<Map<String, dynamic>>();
+    for (final d in documents) {
+      yield d;
+    }
+
+    nextPageToken = object['nextPageToken'] as String?;
+    if (nextPageToken == null) {
+      break;
+    }
+  }
+}
+
+Future<Map<String, String>> _configurationBuilders() async {
+  final result = <String, String>{};
+  await for (final document in _configurationDocuments()) {
+    final fullName = document['name'] as String;
+    final name = fullName.split('/').last;
+    final builder = document['fields']['builder']['stringValue'] as String?;
+    if (builder != null) {
+      result[name] = builder;
+    }
+  }
+  return result;
+}
+
+void printHelp() {
+  print(r'''
+A script to find all try jobs for a set of tests.
+
+  Usage: tools/find_builders.dart [selector] [selector2] [...]
+
+Sample output: Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64,...
+''');
+}