structure gardening tool

tools/gardening/lib/current_summary.dart

-// Copyright (c) 2017, 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.
-
-/// Collects the test results for all build bots in [buildGroups] for tests
-/// that mention one of the test names given as argument.
-///
-/// The results are currently pulled from the second to last build since the
-/// last build might not have completed yet.
-
-import 'dart:math';
-import 'dart:io';
-import 'compare_failures.dart';
-import 'src/buildbot_data.dart';
-import 'src/buildbot_structures.dart';
-import 'src/util.dart';
-
-main(List<String> args) async {
-  if (args.length == 0) {
-    print('Usage: current_summary <test-name1> [<test-name2> ...]');
-    exit(1);
-  }
-  int maxStatusWidth = 0;
-  int maxConfigWidth = 0;
-
-  HttpClient client = new HttpClient();
-  Map<String, Map<BuildUri, TestStatus>> resultMap =
-      <String, Map<BuildUri, TestStatus>>{};
-  for (BuildGroup group in buildGroups) {
-    // TODO(johnniwinther): Support reading a partially completed shard, i.e.
-    // use build number `-1`.
-    for (BuildUri buildUri in group.createUris(-2)) {
-      print('Reading $buildUri');
-      String text = await readUriAsText(client, buildUri.toUri());
-      for (String line in text.split('\n')) {
-        if (line.startsWith('Done ')) {
-          List<String> parts = split(line, ['Done ', ' ', ' ', ': ']);
-          String testName = parts[3];
-          String configName = parts[1];
-          String archName = parts[2];
-          String status = parts[4];
-          TestStatus testStatus = new TestStatus(
-              new TestConfiguration(configName, archName, testName), status);
-          for (String arg in args) {
-            if (testName.contains(arg) || arg.contains(testName)) {
-              resultMap.putIfAbsent(testName, () => {})[buildUri] = testStatus;
-              maxStatusWidth = max(maxStatusWidth, status.length);
-              maxConfigWidth = max(maxConfigWidth, configName.length);
-            }
-          }
-        }
-      }
-    }
-  }
-  print('');
-  resultMap.forEach((String testName, Map<BuildUri, TestStatus> statusMap) {
-    print(testName);
-    statusMap.forEach((BuildUri buildUri, TestStatus status) {
-      print('  ${padRight(status.status, maxStatusWidth)}: '
-          '${padRight(status.config.configName, maxConfigWidth)} '
-          '${buildUri.shortBuildName}');
-    });
-  });
-  client.close();
-}
-
-/// The result of a single test for a single test step.
-class TestStatus {
-  final TestConfiguration config;
-  final String status;
-
-  TestStatus(this.config, this.status);
-
-  String toString() => '$config: $status';
-}