[dart2js_info] Update tests to allow using dart test command

Makes local development a lot easier

Change-Id: I85c6911db313cc9842359b149405aedeb8243be7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/280407
Auto-Submit: Kevin Moore <kevmoo@google.com>
Reviewed-by: Mark Zhou <markzipan@google.com>
Commit-Queue: Mark Zhou <markzipan@google.com>

pkg/dart2js_info/test/binary_serialization_test.dart

@@ -3,13 +3,14 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:convert';
-import 'dart:io' show File, Platform;
 import 'dart:typed_data' show BytesBuilder;
 
 import 'package:dart2js_info/binary_serialization.dart' as binary;
 import 'package:dart2js_info/json_info_codec.dart';
 import 'package:test/test.dart';
 
+import 'test_shared.dart';
+
 class ByteSink implements Sink<List<int>> {
   BytesBuilder builder = BytesBuilder();
 
@@ -21,12 +22,9 @@ class ByteSink implements Sink<List<int>> {
 
 void main() {
   group('json to proto conversion with deferred files', () {
-    test('hello_world_deferred', () {
-      var uri = Platform.script
-          .resolve('hello_world_deferred/hello_world_deferred.js.info.json');
-      var helloWorld = File.fromUri(uri);
-      var contents = helloWorld.readAsStringSync();
-      var json = jsonDecode(contents);
+    test('hello_world_deferred', () async {
+      var helloWorld = await helloWorldDeferredDumpInfo();
+      var json = jsonDecode(helloWorld);
       // Clear toJsonDuration for consistency.
       json['program']['toJsonDuration'] = 0;
       var info = AllInfoJsonCodec().decode(json);

pkg/dart2js_info/test/json_to_proto_deferred_test.dart

@@ -3,19 +3,18 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:dart2js_info/json_info_codec.dart';
 import 'package:dart2js_info/proto_info_codec.dart';
 import 'package:test/test.dart';
 
+import 'test_shared.dart';
+
 void main() {
   group('json to proto conversion with deferred files', () {
-    test('hello_world_deferred', () {
-      var uri = Platform.script
-          .resolve('hello_world_deferred/hello_world_deferred.js.info.json');
-      final helloWorld = File.fromUri(uri);
-      final json = jsonDecode(helloWorld.readAsStringSync());
+    test('hello_world_deferred', () async {
+      final helloWorld = await helloWorldDeferredDumpInfo();
+      final json = jsonDecode(helloWorld);
       final decoded = AllInfoJsonCodec().decode(json);
       final proto = AllInfoProtoCodec().encode(decoded);
 

pkg/dart2js_info/test/json_to_proto_test.dart

@@ -3,19 +3,23 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:dart2js_info/info.dart';
 import 'package:dart2js_info/json_info_codec.dart';
 import 'package:dart2js_info/proto_info_codec.dart';
 import 'package:test/test.dart';
 
+import 'test_shared.dart';
+
 void main() {
+  late String content;
+  setUpAll(() async {
+    content = await helloWorldDumpInfo();
+  });
+
   group('json to proto conversion', () {
     test('hello_world', () {
-      var uri = Platform.script.resolve('hello_world/hello_world.js.info.json');
-      final helloWorld = File.fromUri(uri);
-      final json = jsonDecode(helloWorld.readAsStringSync());
+      final json = jsonDecode(content);
       final decoded = AllInfoJsonCodec().decode(json);
       final proto = AllInfoProtoCodec().encode(decoded);
 
@@ -32,9 +36,7 @@ void main() {
     });
 
     test('has proper id format', () {
-      var uri = Platform.script.resolve('hello_world/hello_world.js.info.json');
-      final helloWorld = File.fromUri(uri);
-      final json = jsonDecode(helloWorld.readAsStringSync());
+      final json = jsonDecode(content);
       final decoded = AllInfoJsonCodec().decode(json);
       final proto = AllInfoProtoCodec().encode(decoded);
 

pkg/dart2js_info/test/parse_test.dart

@@ -3,17 +3,17 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:dart2js_info/json_info_codec.dart';
 import 'package:test/test.dart';
 
+import 'test_shared.dart';
+
 void main() {
   group('parse', () {
-    test('hello_world', () {
-      var uri = Platform.script.resolve('hello_world/hello_world.js.info.json');
-      var helloWorld = File.fromUri(uri);
-      var json = jsonDecode(helloWorld.readAsStringSync());
+    test('hello_world', () async {
+      var content = await helloWorldDumpInfo();
+      var json = jsonDecode(content);
       var decoded = AllInfoJsonCodec().decode(json);
 
       final program = decoded.program;

pkg/dart2js_info/test/runtime_coverage_test.dart

@@ -11,24 +11,28 @@
 // --dump-info=binary
 // --packages=$PATH_TO_SDK/.dart_tool/package_config.json
 
-import 'dart:io';
-
 import 'package:dart2js_info/binary_serialization.dart';
+import 'package:dart2js_info/info.dart';
 import 'package:dart2js_info/src/runtime_coverage_utils.dart';
 import 'package:dart2js_info/src/util.dart';
-
 import 'package:test/test.dart';
 
+import 'test_shared.dart';
+
 void main() {
   group('runtime coverage', () {
     group('class filter (angular info)', () {
-      final infoBinaryFile =
-          File.fromUri(Platform.script.resolve('classes/classes.js.info.data'));
-      final allInfo = decode(infoBinaryFile.readAsBytesSync());
-      final classFilters =
-          File.fromUri(Platform.script.resolve('classes/class_filter.txt'))
-              .readAsLinesSync();
       final runtimeClassInfos = <String, RuntimeClassInfo>{};
+      late final List<String> classFilters;
+      late final AllInfo allInfo;
+
+      setUpAll(() async {
+        final infoBinaryFile =
+            await resolveTestFile('classes/classes.js.info.data');
+        allInfo = decode(infoBinaryFile.readAsBytesSync());
+        classFilters = (await resolveTestFile('classes/class_filter.txt'))
+            .readAsLinesSync();
+      });
 
       setUp(() {
         runtimeClassInfos.clear();

pkg/dart2js_info/test/test_shared.dart

@@ -0,0 +1,21 @@
+// Copyright (c) 2023, 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:io';
+import 'dart:isolate';
+
+Future<String> helloWorldDumpInfo() async =>
+    resolveTestFileContent('hello_world/hello_world.js.info.json');
+
+Future<String> helloWorldDeferredDumpInfo() async => resolveTestFileContent(
+    'hello_world_deferred/hello_world_deferred.js.info.json');
+
+Future<String> resolveTestFileContent(String filePath) async =>
+    (await resolveTestFile(filePath)).readAsStringSync();
+
+Future<File> resolveTestFile(String filePath) async {
+  final mainLibraryUri = await Isolate.resolvePackageUri(
+      Uri.parse('package:dart2js_info/info.dart'));
+  return File.fromUri(mainLibraryUri!.resolve('../test/$filePath'));
+}