mirror of
https://github.com/flutter/flutter
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85 lines
2.2 KiB
Dart
85 lines
2.2 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:convert';
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import 'dart:io';
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import 'package:args/args.dart';
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import 'package:flutter_devicelab/framework/ab.dart';
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import 'package:flutter_devicelab/framework/utils.dart';
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String kRawSummaryOpt = 'raw-summary';
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String kTabTableOpt = 'tsv-table';
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String kAsciiTableOpt = 'ascii-table';
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void _usage(String error) {
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stderr.writeln(error);
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stderr.writeln('Usage:\n');
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stderr.writeln(_argParser.usage);
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exitCode = 1;
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}
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Future<void> main(List<String> rawArgs) async {
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ArgResults args;
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try {
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args = _argParser.parse(rawArgs);
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} on FormatException catch (error) {
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_usage('${error.message}\n');
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return;
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}
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final List<String> jsonFiles = args.rest.isNotEmpty ? args.rest : <String>[ 'ABresults.json' ];
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for (final String filename in jsonFiles) {
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final File file = File(filename);
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if (!file.existsSync()) {
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_usage('File "$filename" does not exist');
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return;
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}
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ABTest test;
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try {
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test = ABTest.fromJsonMap(
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const JsonDecoder().convert(await file.readAsString()) as Map<String, dynamic>
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);
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} catch (error) {
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_usage('Could not parse json file "$filename"');
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return;
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}
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if (args[kRawSummaryOpt] as bool) {
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section('Raw results for "$filename"');
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print(test.rawResults());
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}
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if (args[kTabTableOpt] as bool) {
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section('A/B comparison for "$filename"');
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print(test.printSummary());
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}
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if (args[kAsciiTableOpt] as bool) {
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section('Formatted summary for "$filename"');
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print(test.asciiSummary());
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}
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}
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}
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/// Command-line options for the `summarize.dart` command.
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final ArgParser _argParser = ArgParser()
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..addFlag(
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kAsciiTableOpt,
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defaultsTo: true,
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help: 'Prints the summary in a table formatted nicely for terminal output.',
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)
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..addFlag(
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kTabTableOpt,
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defaultsTo: true,
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help: 'Prints the summary in a table with tabs for easy spreadsheet entry.',
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)
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..addFlag(
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kRawSummaryOpt,
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defaultsTo: true,
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help: 'Prints all per-run data collected by the A/B test formatted with\n'
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'tabs for easy spreadsheet entry.',
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);
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