Initial import
diff --git a/pkgs/coverage/.gitignore b/pkgs/coverage/.gitignore new file mode 100644 index 0000000..5cd143d --- /dev/null +++ b/pkgs/coverage/.gitignore
@@ -0,0 +1,2 @@ +packages +pubspec.lock
diff --git a/pkgs/coverage/AUTHORS b/pkgs/coverage/AUTHORS new file mode 100644 index 0000000..f21345f --- /dev/null +++ b/pkgs/coverage/AUTHORS
@@ -0,0 +1,6 @@ +# Below is a list of people and organizations that have contributed +# to the coverage project. Names should be added to the list like so: +# +# Name/Organization <email address> + +Google Inc.
diff --git a/pkgs/coverage/LICENSE b/pkgs/coverage/LICENSE new file mode 100644 index 0000000..7a4a3ea --- /dev/null +++ b/pkgs/coverage/LICENSE
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diff --git a/pkgs/coverage/PATENTS b/pkgs/coverage/PATENTS new file mode 100644 index 0000000..6954196 --- /dev/null +++ b/pkgs/coverage/PATENTS
@@ -0,0 +1,23 @@ +Additional IP Rights Grant (Patents) + +"This implementation" means the copyrightable works distributed by +Google as part of the Dart Project. + +Google hereby grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable (except as stated in this +section) patent license to make, have made, use, offer to sell, sell, +import, transfer, and otherwise run, modify and propagate the contents +of this implementation of Dart, where such license applies only to +those patent claims, both currently owned by Google and acquired in +the future, licensable by Google that are necessarily infringed by +this implementation of Dart. This grant does not include claims that +would be infringed only as a consequence of further modification of +this implementation. If you or your agent or exclusive licensee +institute or order or agree to the institution of patent litigation +against any entity (including a cross-claim or counterclaim in a +lawsuit) alleging that this implementation of Dart or any code +incorporated within this implementation of Dart constitutes direct or +contributory patent infringement, or inducement of patent +infringement, then any patent rights granted to you under this License +for this implementation of Dart shall terminate as of the date such +litigation is filed.
diff --git a/pkgs/coverage/README.md b/pkgs/coverage/README.md new file mode 100644 index 0000000..d944aa2 --- /dev/null +++ b/pkgs/coverage/README.md
@@ -0,0 +1,5 @@ +Coverage +======== + +Coverage provides coverage data manipulation and formatting for Dart. +
diff --git a/pkgs/coverage/bin/format_coverage.dart b/pkgs/coverage/bin/format_coverage.dart new file mode 100644 index 0000000..c44df8a --- /dev/null +++ b/pkgs/coverage/bin/format_coverage.dart
@@ -0,0 +1,502 @@ +// Copyright (c) 2013, 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. + +import "dart:async"; +import "dart:convert"; +import "dart:io"; +import "dart:isolate"; + +import "package:args/args.dart"; +import "package:path/path.dart"; + +/// [Environment] stores gathered arguments information. +class Environment { + String sdkRoot; + String pkgRoot; + var input; + var output; + int workers; + bool prettyPrint; + bool lcov; + bool expectMarkers; + bool verbose; +} + +/// [Resolver] resolves imports with respect to a given environment. +class Resolver { + static const DART_PREFIX = "dart:"; + static const PACKAGE_PREFIX = "package:"; + static const FILE_PREFIX = "file://"; + static const HTTP_PREFIX = "http://"; + + Map _env; + List failed = []; + + Resolver(this._env); + + /// Returns the absolute path wrt. to the given environment or null, if the + /// import could not be resolved. + resolve(String import) { + if (import.startsWith(DART_PREFIX)) { + if (_env["sdkRoot"] == null) { + // No sdk-root given, do not resolve dart: URIs. + return null; + } + var slashPos = import.indexOf("/"); + var filePath; + if (slashPos != -1) { + var path = import.substring(DART_PREFIX.length, slashPos); + // Drop patch files, since we don't have their source in the compiled + // SDK. + if (path.endsWith("-patch")) { + failed.add(import); + return null; + } + // Canonicalize path. For instance: _collection-dev => _collection_dev. + path = path.replaceAll("-", "_"); + filePath = "${_env["sdkRoot"]}" + "/${path}${import.substring(slashPos, import.length)}"; + } else { + // Resolve 'dart:something' to be something/something.dart in the SDK. + var lib = import.substring(DART_PREFIX.length, import.length); + filePath = "${_env["sdkRoot"]}/${lib}/${lib}.dart"; + } + return filePath; + } + if (import.startsWith(PACKAGE_PREFIX)) { + if (_env["pkgRoot"] == null) { + // No package-root given, do not resolve package: URIs. + return null; + } + var filePath = + "${_env["pkgRoot"]}" + "/${import.substring(PACKAGE_PREFIX.length, import.length)}"; + return filePath; + } + if (import.startsWith(FILE_PREFIX)) { + var filePath = fromUri(Uri.parse(import)); + return filePath; + } + if (import.startsWith(HTTP_PREFIX)) { + return import; + } + // We cannot deal with anything else. + failed.add(import); + return null; + } +} + +/// Converts the given hitmap to lcov format and appends the result to +/// env.output. +/// +/// Returns a [Future] that completes as soon as all map entries have been +/// emitted. +Future lcov(Map hitmap) { + var emitOne = (key) { + var v = hitmap[key]; + StringBuffer entry = new StringBuffer(); + entry.write("SF:${key}\n"); + v.keys.toList() + ..sort() + ..forEach((k) { + entry.write("DA:${k},${v[k]}\n"); + }); + entry.write("end_of_record\n"); + env.output.write(entry.toString()); + return new Future.value(null); + }; + + return Future.forEach(hitmap.keys, emitOne); +} + +/// Converts the given hitmap to a pretty-print format and appends the result +/// to env.output. +/// +/// Returns a [Future] that completes as soon as all map entries have been +/// emitted. +Future prettyPrint(Map hitMap, List failedLoads) { + var emitOne = (key) { + var v = hitMap[key]; + var c = new Completer(); + loadResource(key).then((lines) { + if (lines == null) { + failedLoads.add(key); + c.complete(); + return; + } + env.output.write("${key}\n"); + for (var line = 1; line <= lines.length; line++) { + String prefix = " "; + if (v.containsKey(line)) { + prefix = v[line].toString(); + StringBuffer b = new StringBuffer(); + for (int i = prefix.length; i < 7; i++) { + b.write(" "); + } + b.write(prefix); + prefix = b.toString(); + } + env.output.write("${prefix}|${lines[line-1]}\n"); + } + c.complete(); + }); + return c.future; + }; + + return Future.forEach(hitMap.keys, emitOne); +} + +/// Load an import resource and return a [Future] with a [List] of its lines. +/// Returns [null] instead of a list if the resource could not be loaded. +Future<List> loadResource(String import) { + if (import.startsWith("http")) { + Completer c = new Completer(); + HttpClient client = new HttpClient(); + client.getUrl(Uri.parse(import)) + .then((HttpClientRequest request) { + return request.close(); + }) + .then((HttpClientResponse response) { + response.transform(UTF8.decoder).toList().then((data) { + c.complete(data); + client.close(); + }); + }) + .catchError((e) { + c.complete(null); + }); + return c.future; + } else { + File f = new File(import); + return f.readAsLines() + .catchError((e) { + return new Future.value(null); + }); + } +} + +/// Creates a single hitmap from a raw json object. Throws away all entries that +/// are not resolvable. +Map createHitmap(String rawJson, Resolver resolver) { + Map<String, Map<int,int>> hitMap = {}; + + addToMap(source, line, count) { + if (!hitMap[source].containsKey(line)) { + hitMap[source][line] = 0; + } + hitMap[source][line] += count; + } + + JSON.decode(rawJson)['coverage'].forEach((Map e) { + String source = resolver.resolve(e["source"]); + if (source == null) { + // Couldnt resolve import, so skip this entry. + return; + } + if (!hitMap.containsKey(source)) { + hitMap[source] = {}; + } + var hits = e["hits"]; + // hits is a flat array of the following format: + // [ <line|linerange>, <hitcount>,...] + // line: number. + // linerange: "<line>-<line>". + for (var i = 0; i < hits.length; i += 2) { + var k = hits[i]; + if (k is num) { + // Single line. + addToMap(source, k, hits[i+1]); + } + if (k is String) { + // Linerange. We expand line ranges to actual lines at this point. + var splitPos = k.indexOf("-"); + int start = int.parse(k.substring(0, splitPos)); + int end = int.parse(k.substring(splitPos + 1, k.length)); + for (var j = start; j <= end; j++) { + addToMap(source, j, hits[i+1]); + } + } + } + }); + return hitMap; +} + +/// Merges [newMap] into [result]. +mergeHitmaps(Map newMap, Map result) { + newMap.forEach((String file, Map v) { + if (result.containsKey(file)) { + v.forEach((int line, int cnt) { + if (result[file][line] == null) { + result[file][line] = cnt; + } else { + result[file][line] += cnt; + } + }); + } else { + result[file] = v; + } + }); +} + +/// Given an absolute path absPath, this function returns a [List] of files +/// are contained by it if it is a directory, or a [List] containing the file if +/// it is a file. +List filesToProcess(String absPath) { + var filePattern = new RegExp(r"^dart-cov-\d+-\d+.json$"); + if (FileSystemEntity.isDirectorySync(absPath)) { + return new Directory(absPath).listSync(recursive: true) + .where((entity) => entity is File && + filePattern.hasMatch(basename(entity.path))) + .toList(); + } + + return [new File(absPath)]; +} + +worker(WorkMessage msg) { + final start = new DateTime.now().millisecondsSinceEpoch; + + var env = msg.environment; + List files = msg.files; + Resolver resolver = new Resolver(env); + var workerHitmap = {}; + files.forEach((File fileEntry) { + // Read file sync, as it only contains 1 object. + String contents = fileEntry.readAsStringSync(); + if (contents.length > 0) { + mergeHitmaps(createHitmap(contents, resolver), workerHitmap); + } + }); + + if (env["verbose"]) { + final end = new DateTime.now().millisecondsSinceEpoch; + print("${msg.workerName}: Finished processing ${files.length} files. " + "Took ${end - start} ms."); + } + + msg.replyPort.send(new ResultMessage(workerHitmap, resolver.failed)); +} + +class WorkMessage { + final String workerName; + final Map environment; + final List files; + final SendPort replyPort; + WorkMessage(this.workerName, this.environment, this.files, this.replyPort); +} + +class ResultMessage { + final hitmap; + final failedResolves; + ResultMessage(this.hitmap, this.failedResolves); +} + +final env = new Environment(); + +List<List> split(List list, int nBuckets) { + var buckets = new List(nBuckets); + var bucketSize = list.length ~/ nBuckets; + var leftover = list.length % nBuckets; + var taken = 0; + var start = 0; + for (int i = 0; i < nBuckets; i++) { + var end = (i < leftover) ? (start + bucketSize + 1) : (start + bucketSize); + buckets[i] = list.sublist(start, end); + taken += buckets[i].length; + start = end; + } + if (taken != list.length) throw "Error splitting"; + return buckets; +} + +Future<ResultMessage> spawnWorker(name, environment, files) { + RawReceivePort port = new RawReceivePort(); + var completer = new Completer(); + port.handler = ((ResultMessage msg) { + completer.complete(msg); + port.close(); + }); + var msg = new WorkMessage(name, environment, files, port.sendPort); + Isolate.spawn(worker, msg); + return completer.future; +} + +main(List<String> arguments) { + parseArgs(arguments); + + List files = filesToProcess(env.input); + + List failedResolves = []; + List failedLoads = []; + Map globalHitmap = {}; + int start = new DateTime.now().millisecondsSinceEpoch; + + if (env.verbose) { + print("Environment:"); + print(" # files: ${files.length}"); + print(" # workers: ${env.workers}"); + print(" sdk-root: ${env.sdkRoot}"); + print(" package-root: ${env.pkgRoot}"); + } + + Map sharedEnv = { + "sdkRoot": env.sdkRoot, + "pkgRoot": env.pkgRoot, + "verbose": env.verbose, + }; + + // Create workers. + int workerId = 0; + var results = split(files, env.workers).map((workerFiles) { + var result = spawnWorker("Worker ${workerId++}", sharedEnv, workerFiles); + return result.then((ResultMessage message) { + mergeHitmaps(message.hitmap, globalHitmap); + failedResolves.addAll(message.failedResolves); + }); + }); + + Future.wait(results).then((ignore) { + // All workers are done. Process the data. + if (env.verbose) { + final end = new DateTime.now().millisecondsSinceEpoch; + print("Done creating a global hitmap. Took ${end - start} ms."); + } + + Future out; + if (env.prettyPrint) { + out = prettyPrint(globalHitmap, failedLoads); + } + if (env.lcov) { + out = lcov(globalHitmap); + } + + out.then((_) { + env.output.close().then((_) { + if (env.verbose) { + final end = new DateTime.now().millisecondsSinceEpoch; + print("Done flushing output. Took ${end - start} ms."); + } + }); + + if (env.verbose) { + if (failedResolves.length > 0) { + print("Failed to resolve:"); + failedResolves.toSet().forEach((e) { + print(" ${e}"); + }); + } + if (failedLoads.length > 0) { + print("Failed to load:"); + failedLoads.toSet().forEach((e) { + print(" ${e}"); + }); + } + } + }); + }); +} + +/// Checks the validity of the provided arguments. Does not initialize actual +/// processing. +parseArgs(List<String> arguments) { + var parser = new ArgParser(); + + parser.addOption("sdk-root", abbr: "s", + help: "path to the SDK root"); + parser.addOption("package-root", abbr: "p", + help: "path to the package root"); + parser.addOption("in", abbr: "i", + help: "input(s): may be file or directory"); + parser.addOption("out", abbr: "o", + help: "output: may be file or stdout", + defaultsTo: "stdout"); + parser.addOption("workers", abbr: "j", + help: "number of workers", + defaultsTo: "1"); + parser.addFlag("pretty-print", abbr: "r", + help: "convert coverage data to pretty print format", + negatable: false); + parser.addFlag("lcov", abbr :"l", + help: "convert coverage data to lcov format", + negatable: false); + parser.addFlag("verbose", abbr :"v", + help: "verbose output", + negatable: false); + parser.addFlag("help", abbr: "h", + help: "show this help", + negatable: false); + + var args = parser.parse(arguments); + + printUsage() { + print("Usage: dart full-coverage.dart [OPTION...]\n"); + print(parser.getUsage()); + } + + fail(String msg) { + print("\n$msg\n"); + printUsage(); + exit(1); + } + + if (args["help"]) { + printUsage(); + exit(0); + } + + env.sdkRoot = args["sdk-root"]; + if (env.sdkRoot == null) { + if (Platform.environment.containsKey("DART_SDK")) { + env.sdkRoot = + join(absolute(normalize(Platform.environment["DART_SDK"])), "lib"); + } + } else { + env.sdkRoot = join(absolute(normalize(env.sdkRoot)), "lib"); + } + if ((env.sdkRoot != null) && !FileSystemEntity.isDirectorySync(env.sdkRoot)) { + fail("Provided SDK root '${args["sdk-root"]}' is not a valid SDK " + "top-level directory"); + } + + env.pkgRoot = args["package-root"]; + if (env.pkgRoot != null) { + env.pkgRoot = absolute(normalize(args["package-root"])); + if (!FileSystemEntity.isDirectorySync(env.pkgRoot)) { + fail("Provided package root '${args["package-root"]}' is not directory."); + } + } + + if (args["in"] == null) { + fail("No input files given."); + } else { + env.input = absolute(normalize(args["in"])); + if (!FileSystemEntity.isDirectorySync(env.input) && + !FileSystemEntity.isFileSync(env.input)) { + fail("Provided input '${args["in"]}' is neither a directory, nor a file."); + } + } + + if (args["out"] == "stdout") { + env.output = stdout; + } else { + env.output = absolute(normalize(args["out"])); + env.output = new File(env.output).openWrite(); + } + + env.lcov = args["lcov"]; + if (args["pretty-print"] && env.lcov) { + fail("Choose one of pretty-print or lcov output"); + } else if (!env.lcov) { + // Use pretty-print either explicitly or by default. + env.prettyPrint = true; + } + + try { + env.workers = int.parse("${args["workers"]}"); + } catch (e) { + fail("Invalid worker count: $e"); + } + + env.verbose = args["verbose"]; +} \ No newline at end of file
diff --git a/pkgs/coverage/pubspec.yaml b/pkgs/coverage/pubspec.yaml new file mode 100644 index 0000000..d2bda76 --- /dev/null +++ b/pkgs/coverage/pubspec.yaml
@@ -0,0 +1,5 @@ +name: coverage +description: Coverage data manipulation and formatting +dependencies: + args: any + path: any