public void AddNewTracerConfigToSameWriterAfterStarting()
{
var setupTracerFactory = new SetupLog();
var logWriter = new ListLogWriter <TraceEntry>(setupTracerFactory);
var config = new TraceManagerConfig();
config.UseLogWriter(logWriter, "A"); // Only logs for tracer A
TraceManager traceManager;
using (traceManager = new TraceManager(config, setupTracerFactory))
{
var tracerA = traceManager.GetTracer("A");
var tracerB = traceManager.GetTracer("B");
Assert.True(traceManager.IsStarted);
Assert.True(tracerA.IsInfoEnabled());
Assert.False(tracerB.IsInfoEnabled());
// For option 1, see the previous test: ConfigCanBeChangedAfterStarting
// Option 2: Add a new TraceWriterConfig, and restart, to enable B
config.UseLogWriter(logWriter, "B", new OnOffTraceSwitch(true));
Assert.False(tracerB.IsInfoEnabled()); // before the restart, tracerB is disabled
traceManager.Start();
Assert.True(tracerB.IsInfoEnabled());
Assert.True(tracerB.IsDebugEnabled());
}
}
public void ConfigCanBeChangedAfterStarting()
{
var setupTracerFactory = new SetupLog();
var logWriter = new ListLogWriter <TraceEntry>(setupTracerFactory);
var config = new TraceManagerConfig();
// TODO: Rename to tracerConfig?
var traceWriterConfig = config.UseLogWriter(logWriter, "A"); // Only logs for tracer A
TraceManager traceManager;
using (traceManager = new TraceManager(config, setupTracerFactory))
{
var tracerA = traceManager.GetTracer("A");
var tracerB = traceManager.GetTracer("B");
Assert.True(traceManager.IsStarted);
Assert.True(traceManager.LogManager.IsStarted);
Assert.True(tracerA.IsInfoEnabled());
Assert.False(tracerB.IsInfoEnabled());
// Option 1: Change the config
traceWriterConfig.Switches.Add("B", new OnOffTraceSwitch(true));
traceManager.Start(); // Explicit restart required
Assert.True(tracerB.IsInfoEnabled());
Assert.True(tracerB.IsDebugEnabled());
// For option 2, see the next test: AddNewTracerConfigToSameWriterAfterStarting
}
}
public void UnitTestTracingWithGlobalTraceManager(ConfigForm configForm, int iteration)
{
// It can occur that the Tracer was obtained before the test starts
Tracer tracer = TraceManager.Instance.TracerFor(this);
// In a real app you probably don't have to reset the LogManager + TraceManager before configuring.
// However for unit testing it can be a good idea to clear configuration from previous tests.
LogManager.Instance.Reset(true);
TraceManager.Instance.Reset(true);
Assert.Same(LogManager.Instance, TraceManager.Instance.LogManager);
// Traces sent to this list
var setupTracerFactory = TraceManager.Instance.SetupTracerFactory;
var listWriter = new ListLogWriter <TraceEntry>(setupTracerFactory);
// Add the list TraceWriter only for this class
TraceManagerConfig config = TraceManager.Instance.Config;
TraceWriterConfig listTraceConfig;
if (configForm == ConfigForm.ObjectGraph)
{
listTraceConfig = new TraceWriterConfig(listWriter)
{
Switches =
{
{ GetType(), new OnOffTraceSwitch(true) }
}
};
config.Writers.Add(listTraceConfig);
}
else if (configForm == ConfigForm.Fluent)
{
listTraceConfig = config.UseLogWriter(listWriter, GetType(), new OnOffTraceSwitch(true));
}
else
{
throw new NotImplementedException();
}
// restart to load config and assign writers
TraceManager.Instance.Start();
// Ensure start didn't result in any errors
Assert.True(TraceManager.Instance.IsHealthy);
tracer.Info("Info message");
tracer.Debug("Debug message");
Assert.Equal(2, listWriter.Count);
// Remove the TraceWriterConfig just to ensure that everything returns to normal
Assert.True(TraceManager.Instance.Config.Writers.Remove(listTraceConfig));
// restart to reset config
TraceManager.Instance.Start();
LogJam.Internal.UnitTests.Trace.TraceManagerConfigTests.AssertEquivalentToDefaultTraceManagerConfig(TraceManager.Instance);
// Now tracing goes to the debug window only, but not to the list
tracer.Info("Not logged to list, but logged to debug out.");
Assert.Equal(2, listWriter.Count);
}