public virtual void TestNestedException()
{
Exception e = new NoRouteToHostException("that box caught fire 3 years ago");
Exception ioe = new IOException("Datacenter problems", e);
ThrowableInformation ti = new ThrowableInformation(ioe);
Log4Json l4j = new Log4Json();
long timeStamp = Time.Now();
string outcome = l4j.ToJson(new StringWriter(), "testNestedException", timeStamp,
"INFO", "quoted\"", "new line\n and {}", ti).ToString();
Println("testNestedException", outcome);
ContainerNode rootNode = Log4Json.Parse(outcome);
AssertEntryEquals(rootNode, Log4Json.Level, "INFO");
AssertEntryEquals(rootNode, Log4Json.Name, "testNestedException");
AssertEntryEquals(rootNode, Log4Json.Time, timeStamp);
AssertEntryEquals(rootNode, Log4Json.ExceptionClass, ioe.GetType().FullName);
JsonNode node = AssertNodeContains(rootNode, Log4Json.Stack);
Assert.True("Not an array: " + node, node.IsArray());
node = AssertNodeContains(rootNode, Log4Json.Date);
Assert.True("Not a string: " + node, node.IsTextual());
//rather than try and make assertions about the format of the text
//message equalling another ISO date, this test asserts that the hypen
//and colon characters are in the string.
string dateText = node.GetTextValue();
Assert.True("No '-' in " + dateText, dateText.Contains("-"));
Assert.True("No '-' in " + dateText, dateText.Contains(":"));
}
/// <summary>Convert an event to JSON</summary>
/// <param name="writer">the destination writer</param>
/// <param name="event">the event -must not be null</param>
/// <returns>the writer</returns>
/// <exception cref="System.IO.IOException">on problems generating the JSON</exception>
public virtual TextWriter ToJson(TextWriter writer, LoggingEvent @event)
{
ThrowableInformation ti = @event.GetThrowableInformation();
ToJson(writer, @event.GetLoggerName(), @event.GetTimeStamp(), @event.GetLevel().ToString
(), @event.GetThreadName(), @event.GetRenderedMessage(), ti);
return(writer);
}
public virtual void TestException()
{
Exception e = new NoRouteToHostException("that box caught fire 3 years ago");
ThrowableInformation ti = new ThrowableInformation(e);
Log4Json l4j = new Log4Json();
long timeStamp = Time.Now();
string outcome = l4j.ToJson(new StringWriter(), "testException", timeStamp, "INFO"
, "quoted\"", "new line\n and {}", ti).ToString();
Println("testException", outcome);
}
public virtual int CountExceptionsWithMessage(string text)
{
int count = 0;
foreach (LoggingEvent e in GetLog())
{
ThrowableInformation t = e.GetThrowableInformation();
if (t != null)
{
string m = t.GetThrowable().Message;
if (m.Contains(text))
{
count++;
}
}
}
return(count);
}
/// <summary>Build a JSON entry from the parameters.</summary>
/// <remarks>Build a JSON entry from the parameters. This is public for testing.</remarks>
/// <param name="writer">destination</param>
/// <param name="loggerName">logger name</param>
/// <param name="timeStamp">time_t value</param>
/// <param name="level">level string</param>
/// <param name="threadName">name of the thread</param>
/// <param name="message">rendered message</param>
/// <param name="ti">nullable thrown information</param>
/// <returns>the writer</returns>
/// <exception cref="System.IO.IOException">on any problem</exception>
public virtual TextWriter ToJson(TextWriter writer, string loggerName, long timeStamp
, string level, string threadName, string message, ThrowableInformation ti)
{
JsonGenerator json = factory.CreateJsonGenerator(writer);
json.WriteStartObject();
json.WriteStringField(Name, loggerName);
json.WriteNumberField(Time, timeStamp);
DateTime date = Extensions.CreateDate(timeStamp);
json.WriteStringField(Date, dateFormat.Format(date));
json.WriteStringField(Level, level);
json.WriteStringField(Thread, threadName);
json.WriteStringField(Message, message);
if (ti != null)
{
//there is some throwable info, but if the log event has been sent over the wire,
//there may not be a throwable inside it, just a summary.
Exception thrown = ti.GetThrowable();
string eclass = (thrown != null) ? thrown.GetType().FullName : string.Empty;
json.WriteStringField(ExceptionClass, eclass);
string[] stackTrace = ti.GetThrowableStrRep();
json.WriteArrayFieldStart(Stack);
foreach (string row in stackTrace)
{
json.WriteString(row);
}
json.WriteEndArray();
}
json.WriteEndObject();
json.Flush();
json.Close();
return(writer);
}
