pkg/vm_service/test/get_isolate_rpc_test.dart

// Copyright (c) 2020, 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 'package:test/test.dart';
import 'package:vm_service/vm_service.dart';

import 'common/service_test_common.dart';
import 'get_isolate_rpc_lib.dart' as testee_lib;

void main([args = const <String>[]]) =>
    IsolateTestHarness('get_isolate_rpc_lib.dart', args)
        .hasPausedAtStart()
        .addCustomTest((VmService service, IsolateRef isolateRef) async {
      final result = await service.getIsolate(isolateRef.id!);
      expect(result.id, startsWith('isolates/'));
      expect(result.number, isNotNull);
      expect(result.isolateFlags, isNotNull);
      expect(result.isolateFlags!.length, isPositive);
      expect(result.isSystemIsolate, isFalse);
      expect(result.startTime, isPositive);
      expect(result.livePorts, isPositive);
      expect(result.pauseOnExit, isFalse);
      expect(result.pauseEvent!.type, 'Event');
      expect(result.error, isNull);
      expect(
          result.libraries!
              .firstWhere((l) => l.uri!.contains('get_isolate_rpc_lib')),
          isNotNull);
      expect(result.libraries!.length, isPositive);
      expect(result.libraries![0], isNotNull);
      expect(result.breakpoints!.length, isZero);
      expect(result.json!['_heaps']['new']['type'], 'HeapSpace');
      expect(result.json!['_heaps']['old']['type'], 'HeapSpace');
    }).addCustomTest((VmService service, IsolateRef _) async {
      bool caughtException = false;
      try {
        await service.getIsolate('badid');
        expect(false, isTrue, reason: 'Unreachable');
      } on RPCError catch (e) {
        caughtException = true;
        expect(e.code, equals(RPCErrorKind.kInvalidParams.code));
        expect(e.details, "getIsolate: invalid 'isolateId' parameter: badid");
      }
      expect(caughtException, isTrue);
    })
        // Plausible isolate id, not found.
        .addCustomTest((VmService service, IsolateRef _) async {
      try {
        await service.getIsolate('isolates/9999999999');
        fail('successfully got isolate with bad ID');
      } on SentinelException catch (e) {
        expect(e.sentinel.kind, 'Collected');
        expect(e.sentinel.valueAsString, '<collected>');
      }
    }).run(testeeMain: testee_lib.main, pauseOnStart: true);