Robert Nystrom
6c88c6f2ba
Change-Id: I5f17f4a7eddd5dd839b2061f5d4a1f33c40703a9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/506661 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Paul Berry <paulberry@google.com>
82 lines
2.9 KiB
Dart
82 lines
2.9 KiB
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:convert';
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import 'dart:io';
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import 'builder.dart';
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import 'configuration.dart';
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/// The manifest that defines the set of supported test [Configuration]s and
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/// how they are run on the [Builders]s.
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class TestMatrix {
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final List<Configuration> configurations;
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final List<Builder> builders;
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final List<String> branches;
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/// Reads a test matrix from the file at [path].
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static TestMatrix fromPath(String path) {
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var json = jsonDecode(File(path).readAsStringSync());
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return fromJson(json as Map<String, dynamic>);
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}
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static TestMatrix fromJson(Map<String, dynamic> json) {
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var configurationsJson =
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json["configurations"] as Map<String, dynamic>? ?? <String, dynamic>{};
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// Keep track of the configurations and which templates they were expanded
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// from.
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var configurations = <Configuration>[];
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configurationsJson.forEach((template, configurationJson) {
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var options = configurationJson["options"] ?? const <String, dynamic>{};
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for (var configuration in Configuration.expandTemplate(
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template, options as Map<String, dynamic>)) {
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for (var existing in configurations) {
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// Make sure the names don't collide.
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if (configuration.name == existing.name) {
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throw FormatException(
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'Configuration "${configuration.name}" already exists.');
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}
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// Make sure we don't have two equivalent configurations.
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if (configuration.optionsEqual(existing)) {
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throw FormatException(
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'Configuration "${configuration.name}" is identical to '
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'"${existing.name}".');
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}
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}
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configurations.add(configuration);
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}
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});
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var builderConfigurations = [
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...?(json["builder_configurations"] as List<Object?>?)
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?.cast<Map<Object?, Object?>>()
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];
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var builders = parseBuilders(builderConfigurations, configurations);
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var branchesValue = json["branches"] as List?;
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var branches = [...?branchesValue?.cast<String>()];
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// Check that each configuration is tested on at most one builder.
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var testedOn = <Configuration, Builder>{};
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for (var builder in builders) {
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for (var configuration in builder.testedConfigurations) {
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var other = testedOn[configuration];
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if (other != null) {
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throw FormatException('Configuration "${configuration.name}" is '
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'tested on both "${builder.name}" and "${other.name}"');
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} else {
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testedOn[configuration] = builder;
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}
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}
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}
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return TestMatrix._(configurations, builders, branches);
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}
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new _(this.configurations, this.builders, this.branches);
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}
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