mirror of
https://github.com/dart-lang/sdk
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ab789de75b
Change-Id: I0333b41298c5556d6ce72e339c9eec061b620866 Fixes: https://github.com/dart-lang/sdk/issues/43684 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/181861 Reviewed-by: Anna Gringauze <annagrin@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>
141 lines
4.8 KiB
Dart
141 lines
4.8 KiB
Dart
// Copyright (c) 2020, 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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// @dart = 2.9
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import 'dart:convert';
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import 'dart:io';
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import 'package:dev_compiler/src/kernel/module_metadata.dart';
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import 'package:test/test.dart';
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// Test creating, reading and writing debugger metadata
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void main() {
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group('Module metadata', () {
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Directory tempDir;
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File file;
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setUpAll(() {
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var systemTempDir = Directory.systemTemp;
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tempDir = systemTempDir.createTempSync('foo bar');
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var input = tempDir.uri.resolve('module.metadata');
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file = File.fromUri(input)..createSync();
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});
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tearDownAll(() {
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tempDir.delete(recursive: true);
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});
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test('create, write, and read', () async {
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// create metadata
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var version = ModuleMetadataVersion.current.version;
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var module = createMetadata(version);
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testMetadataFields(module, version);
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// write metadata
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file.writeAsBytesSync(utf8.encode(json.encode(module)));
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expect(file.existsSync(), true);
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// read metadata
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var moduleJson = json.decode(utf8.decode(file.readAsBytesSync()));
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var newModule =
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ModuleMetadata.fromJson(moduleJson as Map<String, dynamic>);
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testMetadataFields(newModule, version);
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});
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test('read later backward-compatible patch version', () async {
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// create metadata with next patch version
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var version = ModuleMetadataVersion(
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ModuleMetadataVersion.current.majorVersion,
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ModuleMetadataVersion.current.minorVersion,
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ModuleMetadataVersion.current.patchVersion + 1)
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.version;
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var module = createMetadata(version);
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// write metadata
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file.writeAsBytesSync(utf8.encode(json.encode(module)));
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expect(file.existsSync(), true);
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// read metadata
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var moduleJson = json.decode(utf8.decode(file.readAsBytesSync()));
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var newModule =
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ModuleMetadata.fromJson(moduleJson as Map<String, dynamic>);
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testMetadataFields(newModule, version);
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});
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test('read later backward-compatible minor version', () async {
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// create metadata with next minor version
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var version = ModuleMetadataVersion(
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ModuleMetadataVersion.current.majorVersion,
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ModuleMetadataVersion.current.minorVersion + 1,
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ModuleMetadataVersion.current.patchVersion + 1)
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.version;
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var module = createMetadata(version);
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// write metadata
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file.writeAsBytesSync(utf8.encode(json.encode(module)));
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expect(file.existsSync(), true);
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// read metadata
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var moduleJson = json.decode(utf8.decode(file.readAsBytesSync()));
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var newModule =
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ModuleMetadata.fromJson(moduleJson as Map<String, dynamic>);
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testMetadataFields(newModule, version);
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});
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test('fail to read later non-backward-compatible major version', () async {
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// create metadata with next minor version
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var version = ModuleMetadataVersion(
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ModuleMetadataVersion.current.majorVersion + 1,
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ModuleMetadataVersion.current.minorVersion + 1,
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ModuleMetadataVersion.current.patchVersion + 1)
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.version;
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var module = createMetadata(version);
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// write metadata
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file.writeAsBytesSync(utf8.encode(json.encode(module)));
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expect(file.existsSync(), true);
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// try read metadata, expect to fail
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var moduleJson = json.decode(utf8.decode(file.readAsBytesSync()));
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ModuleMetadata newModule;
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try {
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newModule = ModuleMetadata.fromJson(moduleJson as Map<String, dynamic>);
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} catch (e) {
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expect(
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e.toString(), 'Exception: Unsupported metadata version $version');
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}
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expect(newModule, null);
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});
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});
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}
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ModuleMetadata createMetadata(String version) => ModuleMetadata(
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'module', 'closure', 'module.map', 'module.js', 'module.full.dill', true,
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version: version)
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..addLibrary(LibraryMetadata('library', 'package:library/test.dart',
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'file:///source/library/lib/test.dart', ['src/test2.dart']));
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void testMetadataFields(ModuleMetadata module, String version) {
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// reader always creates current metadata version
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expect(module.version, version);
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expect(module.name, 'module');
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expect(module.closureName, 'closure');
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expect(module.sourceMapUri, 'module.map');
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expect(module.moduleUri, 'module.js');
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expect(module.fullDillUri, 'module.full.dill');
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expect(module.soundNullSafety, true);
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var libUri = module.libraries.keys.first;
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var lib = module.libraries[libUri];
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expect(libUri, 'package:library/test.dart');
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expect(lib.name, 'library');
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expect(lib.importUri, 'package:library/test.dart');
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expect(lib.fileUri, 'file:///source/library/lib/test.dart');
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expect(lib.partUris[0], 'src/test2.dart');
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}
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