public void SetLogLevel_UpdatesNamespaceDescendants()
{
// arrange (A* should log at Information)
var provider = new DynamicLoggerProvider(GetLoggerSettings());
// act I: with original setup
var childLogger = provider.CreateLogger("A.B.C");
var configurations = provider.GetLoggerConfigurations();
var tierOneNamespace = configurations.First(n => n.Name == "A");
// assert I: base namespace is in the response, correctly
Assert.Equal(LogLevel.Information, tierOneNamespace.EffectiveLevel);
// act II: set A.B* to log at Trace
provider.SetLogLevel("A.B", LogLevel.Trace);
configurations = provider.GetLoggerConfigurations();
tierOneNamespace = configurations.First(n => n.Name == "A");
var tierTwoNamespace = configurations.First(n => n.Name == "A.B");
// assert II: base hasn't changed but the one set at runtime and all descendants (including a concrete logger) have
Assert.Equal(LogLevel.Information, tierOneNamespace.EffectiveLevel);
Assert.Equal(LogLevel.Trace, tierTwoNamespace.EffectiveLevel);
Assert.True(childLogger.IsEnabled(LogLevel.Trace));
// act III: set A to something else, make sure it inherits down
provider.SetLogLevel("A", LogLevel.Error);
configurations = provider.GetLoggerConfigurations();
tierOneNamespace = configurations.First(n => n.Name == "A");
tierTwoNamespace = configurations.First(n => n.Name == "A.B");
var grandchildLogger = provider.CreateLogger("A.B.C.D");
// assert again
Assert.Equal(LogLevel.Error, tierOneNamespace.EffectiveLevel);
Assert.Equal(LogLevel.Error, tierTwoNamespace.EffectiveLevel);
Assert.False(childLogger.IsEnabled(LogLevel.Warning));
Assert.False(grandchildLogger.IsEnabled(LogLevel.Warning));
}
public void SetLogLevel_Can_Reset_to_Default()
{
// arrange (A* should log at Information)
var provider = new DynamicLoggerProvider(GetLoggerSettings());
// act I: with original setup
var firstLogger = provider.CreateLogger("A.B.C");
var configurations = provider.GetLoggerConfigurations();
var tierOneNamespace = configurations.First(n => n.Name == "A");
// assert I: base namespace is in the response, correctly
Assert.Equal(LogLevel.Information, tierOneNamespace.EffectiveLevel);
// act II: set A.B* to log at Trace
provider.SetLogLevel("A.B", LogLevel.Trace);
configurations = provider.GetLoggerConfigurations();
tierOneNamespace = configurations.First(n => n.Name == "A");
var tierTwoNamespace = configurations.First(n => n.Name == "A.B");
// assert II: base hasn't changed but the one set at runtime and all descendants (including a concrete logger) have
Assert.Equal(LogLevel.Information, tierOneNamespace.EffectiveLevel);
Assert.Equal(LogLevel.Trace, tierTwoNamespace.EffectiveLevel);
Assert.True(firstLogger.IsEnabled(LogLevel.Trace));
// act III: reset A.B
provider.SetLogLevel("A.B", null);
configurations = provider.GetLoggerConfigurations();
tierOneNamespace = configurations.First(n => n.Name == "A");
tierTwoNamespace = configurations.First(n => n.Name == "A.B");
var secondLogger = provider.CreateLogger("A.B.C.D");
// assert again
Assert.Equal(LogLevel.Information, tierOneNamespace.EffectiveLevel);
Assert.Equal(LogLevel.Information, tierTwoNamespace.EffectiveLevel);
Assert.True(firstLogger.IsEnabled(LogLevel.Information));
Assert.True(secondLogger.IsEnabled(LogLevel.Information));
}