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// 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.
library test_options_parser;
import "dart:io";
import "drt_updater.dart";
import "test_suite.dart";
import "path.dart";
import "compiler_configuration.dart" show CompilerConfiguration;
import "runtime_configuration.dart" show RuntimeConfiguration;
const List<String> defaultTestSelectors = const [
'samples',
'standalone',
'corelib',
'co19',
'language',
'isolate',
'vm',
'html',
'benchmark_smoke',
'utils',
'lib',
'analyze_library',
'service',
'kernel',
'observatory_ui'
];
/**
* Specification of a single test option.
*
* The name of the specification is used as the key for the option in
* the Map returned from the [TestOptionParser] parse method.
*/
class _TestOptionSpecification {
_TestOptionSpecification(
this.name, this.description, this.keys, this.values, this.defaultValue,
{this.type: 'string'});
String name;
String description;
List<String> keys;
List<String> values;
var defaultValue;
String type;
}
/**
* Parser of test options.
*/
class TestOptionsParser {
/**
* Creates a test options parser initialized with the known options.
*/
TestOptionsParser() {
_options = [
new _TestOptionSpecification('mode', 'Mode in which to run the tests',
['-m', '--mode'], ['all', 'debug', 'release', 'product'], 'debug'),
new _TestOptionSpecification(
'compiler',
'''Specify any compilation step (if needed).
none: Do not compile the Dart code (run native Dart code on the VM).
(only valid with the following runtimes: vm, flutter, drt)
dart2js: Compile dart code to JavaScript by running dart2js.
(only valid with the following runtimes: d8, drt, chrome,
safari, ie9, ie10, ie11, firefox, opera, chromeOnAndroid,
none (compile only)),
dart2analyzer: Perform static analysis on Dart code by running the analyzer
(only valid with the following runtimes: none)
dart2app:
dart2appjit: Compile the Dart code into an app snapshot before running test
(only valid with dart_app runtime)
dartk: Compile the Dart source into Kernel before running test.
dartkp: Compiler the Dart source into Kernel and then Kernel into AOT
snapshot before running the test.''',
['-c', '--compiler'],
[
'none',
'precompiler',
'dart2js',
'dart2analyzer',
'app_jit',
'dartk',
'dartkp'
],
'none'),
// TODO(antonm): fix the option drt.
new _TestOptionSpecification(
'runtime',
'''Where the tests should be run.
vm: Run Dart code on the standalone dart vm.
flutter: Run Dart code on the flutter engine.
dart_precompiled: Run a precompiled snapshot on a variant of the standalone
dart vm lacking a JIT.
d8: Run JavaScript from the command line using v8.
jsshell: Run JavaScript from the command line using firefox js-shell.
drt: Run Dart or JavaScript in the headless version of Chrome,
Content shell.
dartium: Run Dart or JavaScript in Dartium.
ContentShellOnAndroid: Run Dart or JavaScript in Dartium content shell
on Android.
DartiumOnAndroid: Run Dart or Javascript in Dartium on Android.
[ff | chrome | safari | ie9 | ie10 | ie11 | opera | chromeOnAndroid]:
Run JavaScript in the specified browser.
self_check: Pass each test or its compiled output to every file under
`pkg` whose name ends with `_self_check.dart`.
Each test is given to the self_check tester as a filename on stdin using
the batch-mode protocol.
none: No runtime, compile only (for example, used for dart2analyzer static
analysis tests).''',
['-r', '--runtime'],
[
'vm',
'flutter',
'dart_precompiled',
'd8',
'jsshell',
'drt',
'dartium',
'ff',
'firefox',
'chrome',
'safari',
'ie9',
'ie10',
'ie11',
'opera',
'chromeOnAndroid',
'safarimobilesim',
'ContentShellOnAndroid',
'DartiumOnAndroid',
'self_check',
'none'
],
'vm'),
new _TestOptionSpecification(
'arch',
'The architecture to run tests for',
['-a', '--arch'],
[
'all',
'ia32',
'x64',
'arm',
'armv6',
'armv5te',
'arm64',
'mips',
'simarm',
'simarmv6',
'simarmv5te',
'simarm64',
'simmips',
'simdbc',
'simdbc64',
],
'x64'),
new _TestOptionSpecification(
'system',
'The operating system to run tests on',
['-s', '--system'],
['linux', 'macos', 'windows', 'android'],
Platform.operatingSystem),
new _TestOptionSpecification(
'checked', 'Run tests in checked mode', ['--checked'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'strong', 'Run tests in strong mode', ['--strong'], [], false,
type: 'bool'),
new _TestOptionSpecification('host_checked',
'Run compiler in checked mode', ['--host-checked'], [], false,
type: 'bool'),
new _TestOptionSpecification('minified',
'Enable minification in the compiler', ['--minified'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'csp',
'Run tests under Content Security Policy restrictions',
['--csp'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'cps_ir',
'Run the compiler with the cps based backend',
['--cps-ir'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'fast_startup',
'Pass the --fast-startup flag to dart2js',
['--fast-startup'],
[],
false,
type: 'bool'),
new _TestOptionSpecification('hot_reload', 'Run hot reload stress tests',
['--hot-reload'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'hot_reload_rollback',
'Run hot reload rollback stress tests',
['--hot-reload-rollback'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'use_blobs',
'Use mmap instead of shared libraries for precompilation',
['--use-blobs'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'timeout', 'Timeout in seconds', ['-t', '--timeout'], [], -1,
type: 'int'),
new _TestOptionSpecification(
'progress',
'Progress indication mode',
['-p', '--progress'],
[
'compact',
'color',
'line',
'verbose',
'silent',
'status',
'buildbot',
'diff'
],
'compact'),
new _TestOptionSpecification('failure-summary',
'Print failure summary at the end', ['--failure-summary'], [], false,
type: 'bool'),
new _TestOptionSpecification('step_name',
'Step name for use by -pbuildbot', ['--step_name'], [], null),
new _TestOptionSpecification(
'report',
'Print a summary report of the number of tests, by expectation',
['--report'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'tasks',
'The number of parallel tasks to run',
['-j', '--tasks'],
[],
Platform.numberOfProcessors,
type: 'int'),
new _TestOptionSpecification(
'shards',
'The number of instances that the tests will be sharded over',
['--shards'],
[],
1,
type: 'int'),
new _TestOptionSpecification(
'shard',
'The index of this instance when running in sharded mode',
['--shard'],
[],
1,
type: 'int'),
new _TestOptionSpecification(
'help', 'Print list of options', ['-h', '--help'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'verbose', 'Verbose output', ['-v', '--verbose'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'verify-ir', 'Verify kernel IR', ['--verify-ir'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'list', 'List tests only, do not run them', ['--list'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'report_in_json',
'When doing list, output result summary in json only.',
['--report-in-json'],
[],
false,
type: 'bool'),
new _TestOptionSpecification('time',
'Print timing information after running tests', ['--time'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'dart', 'Path to dart executable', ['--dart'], [], ''),
new _TestOptionSpecification(
'flutter', 'Path to flutter executable', ['--flutter'], [], ''),
new _TestOptionSpecification(
'drt', // TODO(antonm): fix the option name.
'Path to content shell executable',
['--drt'],
[],
''),
new _TestOptionSpecification('dartium',
'Path to Dartium Chrome executable', ['--dartium'], [], ''),
new _TestOptionSpecification('firefox',
'Path to firefox browser executable', ['--firefox'], [], ''),
new _TestOptionSpecification(
'chrome', 'Path to chrome browser executable', ['--chrome'], [], ''),
new _TestOptionSpecification(
'safari', 'Path to safari browser executable', ['--safari'], [], ''),
new _TestOptionSpecification(
'use_sdk',
'''Use compiler or runtime from the SDK.
Normally, the compiler or runtimes in PRODUCT_DIR is tested, with this
option, the compiler or runtime in PRODUCT_DIR/dart-sdk/bin is tested.
Note: currently only implemented for dart2js.''',
['--use-sdk'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'use_public_packages',
'For tests using packages: Use pub.dartlang.org packages '
'instead the ones in the repository.',
['--use-public-packages'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'use_repository_packages',
'For tests using packages: Use pub.dartlang.org packages '
'but use overrides for the packages available in the '
'repository.',
['--use-repository-packages'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'build_directory',
'The name of the build directory, where products are placed.',
['--build-directory'],
[],
''),
new _TestOptionSpecification('noBatch', 'Do not run tests in batch mode',
['-n', '--nobatch'], [], false,
type: 'bool'),
new _TestOptionSpecification('dart2js_batch',
'Run dart2js tests in batch mode', ['--dart2js-batch'], [], false,
type: 'bool'),
new _TestOptionSpecification(
'append_logs',
'Do not delete old logs but rather append to them.',
['--append_logs'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'write_debug_log',
'Don\'t write debug messages to stdout but rather to a logfile.',
['--write-debug-log'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'write_test_outcome_log',
'Write the outcome of all tests executed to a '
'"${TestUtils.flakyFileName()}" file.',
['--write-test-outcome-log'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'reset_browser_configuration',
'Browser specific reset of configuration. '
'WARNING: Using this option may remove your bookmarks and '
'other settings.',
['--reset-browser-configuration'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'copy_coredumps',
'If we see a crash that we did not expect, copy the core dumps. '
'to /tmp',
['--copy-coredumps'],
[],
false,
type: 'bool'),
new _TestOptionSpecification(
'local_ip',
'IP address the http servers should listen on.'
'This address is also used for browsers to connect.',
['--local_ip'],
[],
'127.0.0.1'),
new _TestOptionSpecification('test_server_port',
'Port for test http server.', ['--test_server_port'], [], 0,
type: 'int'),
new _TestOptionSpecification(
'test_server_cross_origin_port',
'Port for test http server cross origin.',
['--test_server_cross_origin_port'],
[],
0,
type: 'int'),
new _TestOptionSpecification('test_driver_port',
'Port for http test driver server.', ['--test_driver_port'], [], 0,
type: 'int'),
new _TestOptionSpecification(
'test_driver_error_port',
'Port for http test driver server errors.',
['--test_driver_error_port'],
[],
0,
type: 'int'),
new _TestOptionSpecification(
'record_to_file',
'Records all the commands that need to be executed and writes it '
'out to a file.',
['--record_to_file'],
[],
null),
new _TestOptionSpecification(
'replay_from_file',
'Records all the commands that need to be executed and writes it '
'out to a file.',
['--replay_from_file'],
[],
null),
new _TestOptionSpecification(
'builder_tag',
'Machine specific options that is not captured by the regular '
'test options. Used to be able to make sane updates to the '
'status files.',
['--builder-tag'],
[],
''),
new _TestOptionSpecification(
'vm_options',
'Extra options to send to the vm when running',
['--vm-options'],
[],
null),
new _TestOptionSpecification(
'dart2js_options',
'Extra options for dart2js compilation step',
['--dart2js-options'],
[],
null),
new _TestOptionSpecification(
'suite_dir',
'Additional directory to add to the testing matrix',
['--suite-dir'],
[],
null),
new _TestOptionSpecification('package_root',
'The package root to use for testing.', ['--package-root'], [], null),
new _TestOptionSpecification(
'packages',
'The package spec file to use for testing.',
['--packages'],
[],
null),
new _TestOptionSpecification(
'exclude_suite',
'Exclude suites from default selector, only works when no'
' selector has been specified on the command line',
['--exclude-suite'],
[],
null),
new _TestOptionSpecification(
'skip-compilation',
'Skip the compilation step, using the compilation artifacts left in '
' the output folder from a previous run.'
'This flag will often cause false positves and negatives, but can be'
' useful for quick-and-dirty offline testing when not making changes'
' that affect the compiler.',
['--skip-compilation'],
[],
false,
type: 'bool')
];
}
/**
* Parse a list of strings as test options.
*
* Returns a list of configurations in which to run the
* tests. Configurations are maps mapping from option keys to
* values. When encountering the first non-option string, the rest
* of the arguments are stored in the returned Map under the 'rest'
* key.
*/
List<Map> parse(List<String> arguments) {
var configuration = new Map();
// Fill in configuration with arguments passed to the test script.
var numArguments = arguments.length;
for (var i = 0; i < numArguments; i++) {
// Extract name and value for options.
String arg = arguments[i];
String name = '';
String value = '';
_TestOptionSpecification spec;
if (arg.startsWith('--')) {
if (arg == '--help') {
_printHelp();
return null;
}
var split = arg.indexOf('=');
if (split == -1) {
name = arg;
spec = _getSpecification(name);
// Boolean options do not have a value.
if (spec.type != 'bool') {
if ((i + 1) >= arguments.length) {
print('No value supplied for option $name');
return null;
}
value = arguments[++i];
}
} else {
name = arg.substring(0, split);
spec = _getSpecification(name);
value = arg.substring(split + 1, arg.length);
}
} else if (arg.startsWith('-')) {
if (arg == '-h') {
_printHelp();
return null;
}
if (arg.length > 2) {
name = arg.substring(0, 2);
spec = _getSpecification(name);
value = arg.substring(2, arg.length);
} else {
name = arg;
spec = _getSpecification(name);
// Boolean options do not have a value.
if (spec.type != 'bool') {
if ((i + 1) >= arguments.length) {
print('No value supplied for option $name');
return null;
}
value = arguments[++i];
}
}
} else {
// The argument does not start with '-' or '--' and is
// therefore not an option. We use it as a test selection
// pattern.
configuration.putIfAbsent('selectors', () => []);
var patterns = configuration['selectors'];
patterns.add(arg);
continue;
}
// Multiple uses of a flag are an error, because there is no
// naturally correct way to handle conflicting options.
if (configuration.containsKey(spec.name)) {
print('Error: test.dart disallows multiple "--${spec.name}" flags');
exit(1);
}
// Parse the value for the option.
if (spec.type == 'bool') {
if (!value.isEmpty) {
print('No value expected for bool option $name');
exit(1);
}
configuration[spec.name] = true;
} else if (spec.type == 'int') {
try {
configuration[spec.name] = int.parse(value);
} catch (e) {
print('Integer value expected for int option $name');
exit(1);
}
} else {
assert(spec.type == 'string');
if (!spec.values.isEmpty) {
for (var v in value.split(',')) {
if (spec.values.lastIndexOf(v) == -1) {
print('Unknown value ($v) for option $name');
exit(1);
}
}
}
configuration[spec.name] = value;
}
}
// Apply default values for unspecified options.
for (var option in _options) {
if (!configuration.containsKey(option.name)) {
configuration[option.name] = option.defaultValue;
}
}
List<Map> expandedConfigs = _expandConfigurations(configuration);
List<Map> result = expandedConfigs.where(_isValidConfig).toList();
for (var config in result) {
config['_reproducing_arguments_'] =
_constructReproducingCommandArguments(config);
}
return result.isEmpty ? null : result;
}
// For printing out reproducing command lines, we don't want to add these
// options.
Set<String> _blacklistedOptions = new Set<String>.from([
'append_logs',
'build_directory',
'chrome',
'copy_coredumps',
'dart',
'flutter',
'dartium',
'drt',
'exclude_suite',
'failure-summary',
'firefox',
'local_ip',
'progress',
'report',
'safari',
'shard',
'shards',
'step_name',
'tasks',
'time',
'verbose',
'write_debug_log',
'write_test_outcome_log',
]);
List<String> _constructReproducingCommandArguments(Map config) {
var arguments = new List<String>();
for (var option in _options) {
var name = option.name;
if (!config.containsKey(name) || _blacklistedOptions.contains(name)) {
continue;
}
var value = config[name];
if (config[name] == option.defaultValue ||
(name == 'packages' &&
value ==
TestUtils.dartDirUri.resolve('.packages').toFilePath())) {
continue;
}
shortest(String a, String b) => a.length <= b.length ? a : b;
var key = option.keys.reduce(shortest);
if (option.type == 'bool') {
arguments.add(key);
} else if (key.startsWith('--')) {
// long version
arguments.add(key);
arguments.add("$value");
} else {
// short version
assert(key.startsWith('-'));
arguments.add("$key$value");
}
}
return arguments;
}
/**
* Determine if a particular configuration has a valid combination of compiler
* and runtime elements.
*/
bool _isValidConfig(Map config) {
bool isValid = true;
List<String> validRuntimes;
switch (config['compiler']) {
case 'dart2js':
// Note: by adding 'none' as a configuration, if the user
// runs test.py -c dart2js -r drt,none the dart2js_none and
// dart2js_drt will be duplicating work. If later we don't need 'none'
// with dart2js, we should remove it from here.
validRuntimes = const [
'd8',
'jsshell',
'drt',
'none',
'dartium',
'ff',
'chrome',
'safari',
'ie9',
'ie10',
'ie11',
'opera',
'chromeOnAndroid',
'safarimobilesim'
];
break;
case 'dart2analyzer':
validRuntimes = const ['none'];
break;
case 'app_jit':
case 'dartk':
validRuntimes = const ['vm', 'self_check', 'none'];
break;
case 'precompiler':
case 'dartkp':
validRuntimes = const ['dart_precompiled'];
break;
case 'none':
validRuntimes = const [
'vm',
'flutter',
'drt',
'dartium',
'ContentShellOnAndroid',
'DartiumOnAndroid'
];
break;
}
if (!validRuntimes.contains(config['runtime'])) {
isValid = false;
print("Warning: combination of compiler '${config['compiler']}' and "
"runtime '${config['runtime']}' is invalid. "
"Skipping this combination.");
}
if (config['ie'] && Platform.operatingSystem != 'windows') {
isValid = false;
print("Warning: cannot run Internet Explorer on non-Windows operating"
" system.");
}
if (config['shard'] < 1 || config['shard'] > config['shards']) {
isValid = false;
print("Error: shard index is ${config['shard']} out of "
"${config['shards']} shards");
}
if (config['use_repository_packages'] && config['use_public_packages']) {
isValid = false;
print("Cannot have both --use-repository-packages and "
"--use-public-packages");
}
if ((config['runtime'] == 'flutter') && (config['flutter'] == '')) {
isValid = false;
print("-rflutter requires the flutter engine executable to "
"be specified using --flutter=");
}
if ((config['runtime'] == 'flutter') && (config['arch'] != 'x64')) {
isValid = false;
print("-rflutter is applicable only for --arch=x64");
}
return isValid;
}
/**
* Recursively expand a configuration with multiple values per key
* into a list of configurations with exactly one value per key.
*/
List<Map> _expandConfigurations(Map configuration) {
// Expand the pseudo-values such as 'all'.
if (configuration['arch'] == 'all') {
configuration['arch'] = 'ia32,x64,simarm,simarm64,simmips,simdbc64';
}
if (configuration['mode'] == 'all') {
configuration['mode'] = 'debug,release,product';
}
if (configuration['report_in_json']) {
configuration['list'] = true;
configuration['report'] = true;
}
// Use verbose progress indication for verbose output unless buildbot
// progress indication is requested.
if (configuration['verbose'] && configuration['progress'] != 'buildbot') {
configuration['progress'] = 'verbose';
}
// Create the artificial negative options that test status files
// expect.
configuration['unchecked'] = !configuration['checked'];
configuration['host_unchecked'] = !configuration['host_checked'];
configuration['unminified'] = !configuration['minified'];
configuration['nocsp'] = !configuration['csp'];
String runtime = configuration['runtime'];
if (runtime == 'firefox') {
configuration['runtime'] == 'ff';
}
String compiler = configuration['compiler'];
configuration['browser'] = TestUtils.isBrowserRuntime(runtime);
configuration['analyzer'] = TestUtils.isCommandLineAnalyzer(compiler);
// Set the javascript command line flag for less verbose status files.
configuration['jscl'] = TestUtils.isJsCommandLineRuntime(runtime);
// Allow suppression that is valid for all ie versions
configuration['ie'] = runtime.startsWith('ie');
// Expand the test selectors into a suite name and a simple
// regular expressions to be used on the full path of a test file
// in that test suite. If no selectors are explicitly given use
// the default suite patterns.
var selectors = configuration['selectors'];
if (selectors is! Map) {
if (selectors == null) {
if (configuration['suite_dir'] != null) {
var suite_path = new Path(configuration['suite_dir']);
selectors = [suite_path.filename];
} else {
selectors = new List.from(defaultTestSelectors);
}
var exclude_suites = configuration['exclude_suite'] != null
? configuration['exclude_suite'].split(',')
: [];
for (var exclude in exclude_suites) {
if (selectors.contains(exclude)) {
selectors.remove(exclude);
} else {
print("Warning: default selectors does not contain $exclude");
}
}
}
Map<String, RegExp> selectorMap = new Map<String, RegExp>();
for (var i = 0; i < selectors.length; i++) {
var pattern = selectors[i];
var suite = pattern;
var slashLocation = pattern.indexOf('/');
if (slashLocation != -1) {
suite = pattern.substring(0, slashLocation);
pattern = pattern.substring(slashLocation + 1);
pattern = pattern.replaceAll('*', '.*');
} else {
pattern = ".?";
}
if (selectorMap.containsKey(suite)) {
print("Error: '$suite/$pattern'. Only one test selection"
" pattern is allowed to start with '$suite/'");
exit(1);
}
selectorMap[suite] = new RegExp(pattern);
}
configuration['selectors'] = selectorMap;
}
// Put observatory_ui in a configuration with its own packages override.
// Only one value in the configuration map is mutable:
selectors = configuration['selectors'];
if (selectors.containsKey('observatory_ui')) {
if (selectors.length == 1) {
configuration['packages'] = TestUtils.dartDirUri
.resolve('runtime/observatory/.packages')
.toFilePath();
} else {
// Make a new configuration whose selectors map only contains
// observatory_ui, and remove the key from the original selectors.
// The only mutable value in the map is the selectors, so a
// shallow copy is safe.
var observatoryConfiguration = new Map.from(configuration);
observatoryConfiguration['selectors'] = {
'observatory_ui': selectors['observatory_ui']
};
selectors.remove('observatory_ui');
// Set the packages flag.
observatoryConfiguration['packages'] = TestUtils.dartDirUri
.resolve('runtime/observatory/.packages')
.toFilePath();
// Return the expansions of both configurations. Neither will reach
// this line in the recursive call to _expandConfigurations.
return _expandConfigurations(configuration)
..addAll(_expandConfigurations(observatoryConfiguration));
}
}
// Set the default package spec explicitly.
if (configuration['package_root'] == null &&
configuration['packages'] == null) {
configuration['packages'] =
TestUtils.dartDirUri.resolve('.packages').toFilePath();
}
// Expand the architectures.
if (configuration['arch'].contains(',')) {
return _expandHelper('arch', configuration);
}
// Expand modes.
if (configuration['mode'].contains(',')) {
return _expandHelper('mode', configuration);
}
// Expand compilers.
if (configuration['compiler'].contains(',')) {
return _expandHelper('compiler', configuration);
}
// Expand runtimes.
var runtimes = configuration['runtime'];
if (runtimes.contains(',')) {
return _expandHelper('runtime', configuration);
} else {
// All runtimes eventually go through this path, after expansion.
var updater = runtimeUpdater(configuration);
if (updater != null) {
updater.update();
}
}
// Adjust default timeout based on mode, compiler, and sometimes runtime.
if (configuration['timeout'] == -1) {
var isReload =
configuration['hot_reload'] || configuration['hot_reload_rollback'];
int compilerMulitiplier =
new CompilerConfiguration(configuration).computeTimeoutMultiplier();
int runtimeMultiplier = new RuntimeConfiguration(configuration)
.computeTimeoutMultiplier(
mode: configuration['mode'],
isChecked: configuration['checked'],
isReload: isReload,
arch: configuration['arch']);
configuration['timeout'] = 60 * compilerMulitiplier * runtimeMultiplier;
}
return [configuration];
}
/**
* Helper for _expandConfigurations. Creates a new configuration and adds it
* to a list, for use in a case when a particular configuration has multiple
* results (separated by a ',').
* Arguments:
* option: The particular test option we are expanding.
* configuration: The map containing all test configuration information
* specified.
*/
List<Map> _expandHelper(String option, Map configuration) {
var result = new List<Map>();
var configs = configuration[option];
for (var config in configs.split(',')) {
var newConfiguration = new Map.from(configuration);
newConfiguration[option] = config;
result.addAll(_expandConfigurations(newConfiguration));
}
return result;
}
/**
* Print out usage information.
*/
void _printHelp() {
print('usage: dart test.dart [options] [selector]');
print('');
print('The optional selector limits the tests that will be run.');
print('For example, the selector "language/issue", or equivalently');
print('"language/*issue*", limits to test files matching the regexp');
print('".*issue.*\\.dart" in the "tests/language" directory.');
print('');
print('Options:\n');
for (var option in _options) {
print('${option.name}: ${option.description}.');
for (var name in option.keys) {
assert(name.startsWith('-'));
var buffer = new StringBuffer();
;
buffer.write(name);
if (option.type == 'bool') {
assert(option.values.isEmpty);
} else {
buffer.write(name.startsWith('--') ? '=' : ' ');
if (option.type == 'int') {
assert(option.values.isEmpty);
buffer.write('n (default: ${option.defaultValue})');
} else {
buffer.write('[');
bool first = true;
for (var value in option.values) {
if (!first) buffer.write(", ");
if (value == option.defaultValue) buffer.write('*');
buffer.write(value);
first = false;
}
buffer.write(']');
}
}
print(buffer.toString());
}
print('');
}
}
/**
* Find the test option specification for a given option key.
*/
_TestOptionSpecification _getSpecification(String name) {
for (var option in _options) {
if (option.keys.contains(name)) {
return option;
}
}
print('Unknown test option $name');
exit(1);
return null; // Unreachable.
}
List<_TestOptionSpecification> _options;
}