public void GetFormatter_Returns_Null_If_Key_Predicate_Returns_True()
{
//Given
var options = new TracingMiddlewareOptions().Ignore(key => key.StartsWith("nasty"));
//When
var result = options.GetFormatter("nastykey", typeof(string));
//Then
Assert.Null(result);
}
public void GetFormatter_Returns_Null_If_Key_In_Ignore_List()
{
//Given
var options = new TracingMiddlewareOptions().Ignore("nastykey");
//When
var result = options.GetFormatter("nastykey", typeof (string));
//Then
Assert.Null(result);
}
public void GetFormatter_Returns_Specified_Formatter()
{
//Given
var options = new TracingMiddlewareOptions().ForType<int>(i => "custom formatter " + i);
//When
var formatter = options.GetFormatter("key", typeof(int));
var result = formatter(1);
//Then
Assert.Equal("custom formatter 1", result);
}
public void GetFormatter_Returns_Default_Type_Formatter_If_None_Found()
{
//Given
var options = new TracingMiddlewareOptions();
//When
var formatter = options.GetFormatter("key", typeof(string));
var result = formatter("stringvalue");
//Then
Assert.Equal("stringvalue",result);
}
public void GetTrace_Returns_Default_Trace_If_Key_Not_Found()
{
//Given
var list = new Dictionary<string,string>();
var options = new TracingMiddlewareOptions((id, message) => list.Add(id,message));
//When
var trace = options.GetTrace("unknownkey");
trace("requestid123", "this is a default trace hopefully");
//Then
Assert.True(list.ContainsKey("requestid123"));
}
public void Configuration(IAppBuilder app)
{
//You can use defaultoptions
var defaultOptions = TracingMiddlewareOptions.Default;
//You can use custom options
Func<IDictionary<string, object>, bool> internalexceptionfilter = environment =>
{
var owinkvp = environment.FirstOrDefault(x => x.Key == "owin.ResponseStatusCode" && (int)x.Value == 500);
return !owinkvp.Equals(default(KeyValuePair<string, object>));
};
var filters = new[] { internalexceptionfilter };
var otheroptions =
new TracingMiddlewareOptions(
TracingMiddlewareOptions.DefaultTrace, //Console.WriteLine or overwrite with own trace handler
MessageFormat,
TracingMiddlewareOptions.DefaultTypeFormat, //object.ToString()
filters)
.ForType<IDictionary<string, string[]>>(
headers => string.Join(",",
headers.Select(
header => string.Format("[{0}:{1}]", header.Key, string.Join(",", header.Value))))) //Make nice with OWIN headers
.ForKey("owin.ResponseStatusCode", (requestId,value) => Console.WriteLine(requestId + " : *****" + value + "*****")) //Display status code differently
.Ignore<Stream>() //Ignore OWIN keys that are Stream types
.Ignore(key => key.StartsWith("")) //Ignore blank keys
.Include(key => key.StartsWith("owin.")); //Trace only keys that start with OWIN
var alt = TracingMiddlewareOptions.Default.AddFilter(internalexceptionfilter);
//Pass to your App
app
.Use(TracingMiddleware.Tracing(alt))
.UseNancy();
}
public static MidFunc Tracing(TracingMiddlewareOptions options = null)
{
options = options ?? TracingMiddlewareOptions.Default;
return Tracing(() => options);
}
public AppFunc CreateTracingOwinPipeline(AppFunc nextFunc, TracingMiddlewareOptions tracingMiddlewareOptions = null)
{
tracingMiddlewareOptions = tracingMiddlewareOptions ?? GetTracingMiddlewareOptions((s, s1) => TracingMiddlewareOptions.DefaultTrace(s, s1));
return TracingMiddleware.Tracing(tracingMiddlewareOptions)(nextFunc);
}
