runtime/observatory/tests/service/logging_test.dart

// Copyright (c) 2015, 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:developer' as developer;
import 'package:observatory/service_io.dart';
import 'package:unittest/unittest.dart';
import 'package:logging/logging.dart';
import 'service_test_common.dart';
import 'test_helper.dart';

void init() {
  Logger.root.level = Level.ALL;
  Logger.root.onRecord.listen((logRecord) {
    developer.log(logRecord.message,
        time: logRecord.time,
        sequenceNumber: logRecord.sequenceNumber,
        level: logRecord.level.value,
        name: logRecord.loggerName,
        zone: null,
        error: logRecord.error,
        stackTrace: logRecord.stackTrace);
  });
}

void run() {
  developer.debugger();
  Logger.root.fine('Hey Buddy!');
  developer.debugger();
  Logger.root.info('YES');
}

var tests = <IsolateTest>[
  hasStoppedAtBreakpoint,
  resumeIsolateAndAwaitEvent(Isolate.kLoggingStream, (ServiceEvent event) {
    expect(event.kind, equals(ServiceEvent.kLogging));
    expect(event.logRecord['sequenceNumber'], equals(0));
    expect(event.logRecord['message'].valueAsString, equals('Hey Buddy!'));
    expect(event.logRecord['level'], equals(Level.FINE));
    expect(event.logRecord['time'], new isInstanceOf<DateTime>());
  }),
  hasStoppedAtBreakpoint,
  resumeIsolateAndAwaitEvent(Isolate.kLoggingStream, (ServiceEvent event) {
    expect(event.kind, equals(ServiceEvent.kLogging));
    expect(event.logRecord['sequenceNumber'], equals(1));
    expect(event.logRecord['level'], equals(Level.INFO));
    expect(event.logRecord['message'].valueAsString, equals('YES'));
    expect(event.logRecord['time'], new isInstanceOf<DateTime>());
  }),
];

main(args) =>
    runIsolateTests(args, tests, testeeBefore: init, testeeConcurrent: run);