Akka.Streams.Tests.Dsl.FlowLogSpec.A_Log_on_source_must_allow_configuring_log_levels_via_Attributes C# (CSharp) Method

        public void A_Log_on_source_must_allow_configuring_log_levels_via_Attributes()
        {
            var logAttributes = Attributes.CreateLogLevels(LogLevel.WarningLevel, LogLevel.InfoLevel,
                LogLevel.DebugLevel);

            Source.Single(42)
                .Log("flow-6")
                .WithAttributes(Attributes.CreateLogLevels(LogLevel.WarningLevel, LogLevel.InfoLevel,
                    LogLevel.DebugLevel))
                .RunWith(Sink.Ignore<int>(), Materializer);

            LogProbe.ExpectMsg<Warning>().Message.ToString().Should().Be("[flow-6] Element: 42");
            LogProbe.ExpectMsg<Info>().Message.ToString().Should().Be("[flow-6] Upstream finished.");

            var cause = new TestException("test");
            Source.Failed<int>(cause)
                .Log("flow-6e")
                .WithAttributes(logAttributes)
                .RunWith(Sink.Ignore<int>(), Materializer);

            var error = LogProbe.ExpectMsg<Debug>();
            error.Message.ToString().Should().Be("[flow-6e] Upstream failed, cause: Akka.Streams.TestKit.Tests.TestException test");
        }