structure gardening tool

tools/gardening/lib/status_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 configurations for all status files in the 'tests' folder that
-/// mention one of the test names given as argument.
-
-import 'dart:async';
-import 'dart:math' hide log;
-import 'dart:io';
-
-import 'src/util.dart';
-
-main(List<String> args) async {
-  if (args.length == 0) {
-    print('Usage: status_summary <test-name1> [<test-name2> ...]');
-    exit(1);
-  }
-  int maxStatusWidth = 0;
-  int maxConfigWidth = 0;
-
-  List<Uri> statusFiles = await findStatusFiles('tests');
-  Map<String, List<StatusFile>> statusMap = <String, List<StatusFile>>{};
-  for (Uri uri in statusFiles) {
-    Map<String, StatusFile> currentMap = <String, StatusFile>{};
-    log('Scanning $uri');
-    String currentConfig = '';
-    for (String line in new File.fromUri(uri).readAsLinesSync()) {
-      if (line.startsWith('[')) {
-        currentConfig = line;
-      } else {
-        int colonIndex = line.indexOf(':');
-        if (colonIndex != -1) {
-          String testName = line.substring(0, colonIndex).trim();
-          int hashIndex = line.indexOf('#', colonIndex + 1);
-          String status;
-          String comment;
-          if (hashIndex != -1) {
-            status = line.substring(colonIndex + 1, hashIndex).trim();
-            comment = line.substring(hashIndex + 1).trim();
-          } else {
-            status = line.substring(colonIndex + 1).trim();
-            comment = '';
-          }
-
-          for (String arg in args) {
-            if (testName.contains(arg) || arg.contains(testName)) {
-              StatusFile statusFile =
-                  currentMap.putIfAbsent(testName, () => new StatusFile(uri));
-              statusFile.entries
-                  .add(new StatusEntry(currentConfig, status, comment));
-
-              maxStatusWidth = max(maxStatusWidth, status.length);
-              maxConfigWidth = max(maxConfigWidth, currentConfig.length);
-            }
-          }
-        }
-      }
-    }
-    currentMap.forEach((String testName, StatusFile configFile) {
-      statusMap.putIfAbsent(testName, () => <StatusFile>[]).add(configFile);
-    });
-  }
-  statusMap.forEach((String arg, List<StatusFile> statusFiles) {
-    print('$arg');
-    for (StatusFile statusFile in statusFiles) {
-      print('  ${statusFile.uri}');
-      statusFile.entries.forEach((StatusEntry entry) {
-        print('    ${padRight(entry.status, maxStatusWidth)}'
-            ' ${padRight(entry.config, maxConfigWidth)} ${entry.comment}');
-      });
-    }
-  });
-}
-
-/// Returns the [Uri]s for all `.status` files in [path] and subdirectories.
-Future<List<Uri>> findStatusFiles(String path) async {
-  List<Uri> statusFiles = <Uri>[];
-  await for (FileSystemEntity entity
-      in new Directory(path).list(recursive: true)) {
-    if (entity.path.endsWith('.status')) {
-      statusFiles.add(entity.uri);
-    }
-  }
-  return statusFiles;
-}
-
-/// The entries collected for a single status file.
-class StatusFile {
-  final Uri uri;
-  final List<StatusEntry> entries = <StatusEntry>[];
-
-  StatusFile(this.uri);
-}
-
-/// A single entry in a status file.
-class StatusEntry {
-  /// The preceding config line, if any. I.e. the `[...]` line that contained
-  /// this entry, or the empty string otherwise.
-  final String config;
-
-  /// The status of the entry, e.g. `Pass, Slow`.
-  final String status;
-
-  /// The comment after the status, if any.
-  final String comment;
-
-  StatusEntry(this.config, this.status, this.comment);
-
-  String toString() => '$status $config $comment';
-}