public void WhenConfigUpdated_VariablesAreRetained()
{
Directory.CreateDirectory("../logs.config");
File.WriteAllText("../logs.config/nlog.web.config", "<nlog xmlns=\"http://www.nlog-project.org/schemas/NLog.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
+ "<variable name=\"name2\" value=\"server_secret\" />"
+ "</nlog>");
File.WriteAllText("nlog.config", "<nlog xmlns=\"http://www.nlog-project.org/schemas/NLog.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
+ "<variable name=\"name1\" value=\"value1\" />"
+ "<variable name=\"name2\" value=\"value2\" />"
+ "<variable name=\"name3\" value=\"value3\" />"
+ "</nlog>");
var old = DateTime.UtcNow - TimeSpan.FromHours(3);
File.SetLastWriteTimeUtc("../logs.config/nlog.web.config", old);
var file = LogConfig.PrepareConfigFile();
var values = LogConfig.ReadVariables("../logs.config/nlog.web.config");
values.Should().BeEquivalentTo(new Dictionary <string, string>()
{
{ "name1", "value1" },
{ "name2", "server_secret" },
{ "name3", "value3" },
});
}
public void MultipleChanges_AreHandled()
{
File.WriteAllText("nlog.config", "<nlog>newer</nlog>");
LogConfig.PrepareConfigFile();
File.WriteAllText("nlog.config", "<nlog>newer</nlog>");
LogConfig.PrepareConfigFile();
}
public void WhenConfigDoesNotExists_ConfigFileIsCreated()
{
File.WriteAllText("nlog.config", "<nlog/>");
var file = LogConfig.PrepareConfigFile();
Path.IsPathFullyQualified(file).Should().BeTrue($"{file} should be fully qualified");
File.Exists(file).Should().BeTrue("config should be created (in parent of app folder) if it does not already exist");
}
public void WhenTargetConfigIsOlder_ItIsOverwritten()
{
Directory.CreateDirectory("../logs.config");
File.WriteAllText("../logs.config/nlog.web.config", "<nlog>older</nlog>");
File.WriteAllText("nlog.config", "<nlog>newer</nlog>");
var old = DateTime.UtcNow - TimeSpan.FromHours(3);
File.SetLastWriteTimeUtc("../logs.config/nlog.web.config", old);
var file = LogConfig.PrepareConfigFile();
File.ReadAllText(file).Should().EndWith("<nlog>newer</nlog>");
}
public static void Main(string[] args)
{
_startupTimer = new Stopwatch();
_startupTimer.Start();
IList <string> logSetupMessages = new List <string>();
var logConfigFile = LogConfig.PrepareConfigFile(logSetupMessages);
if (logConfigFile != null)
{
NLogBuilder.ConfigureNLog(logConfigFile);
}
var logger = LogManager.GetCurrentClassLogger();
foreach (var logSetupMessage in logSetupMessages)
{
logger.Debug($"log setup: {logSetupMessage}");
}
logger.Info($"Logging configured using '{logConfigFile}'");
try
{
CreateWebHostBuilder(args).Build().Run();
}
catch (Exception e)
{
logger.Fatal(e, $"error from web host");
throw;
}
finally
{
logger.Info($"Shutting down logging");
LogManager.Shutdown();
}
}