public void LogDisplay_uses_a_circular_list_with_maximum_of_10_000_entries()
{
var logEntries = LogDisplayEx.LogStrings;
using (var sink = new ExcelDnaLogDisplaySink(Some.TextFormatter()))
{
var counter = 0;
LogEvent evt;
do
{
counter++;
evt = Some.LogEvent($"Event {counter:##,###}");
sink.Emit(evt);
} while (counter < 10_000);
Assert.True(logEntries.Count == 10_000, $"logEntries.Count = {logEntries.Count}, but should be 10,000");
Assert.Equal("Event 1", logEntries[0]);
Assert.Equal("Event 10,000", logEntries[9999]);
evt = Some.LogEvent("Event 10,001");
sink.Emit(evt);
Assert.Equal("Event 2", logEntries[0]);
Assert.Equal("Event 10,000", logEntries[9998]);
Assert.Equal("Event 10,001", logEntries[9999]);
}
}
public void Events_are_written_to_LogDisplay()
{
var evt = Some.LogEvent("Hello, world!");
using (var sink = new ExcelDnaLogDisplaySink(Some.TextFormatter()))
{
sink.Emit(evt);
}
var logEntries = LogDisplayEx.LogStrings;
Assert.Single(logEntries);
Assert.Equal("Hello, world!", logEntries[0]);
}
public void LogDisplaySink_uses_ITextFormatter_given_to_it_when_emitting_messages()
{
var evt = Some.LogEvent("Hello");
using (var sink = new ExcelDnaLogDisplaySink(new ReverseLogEventFormatter()))
{
sink.Emit(evt);
}
var logEntries = LogDisplayEx.LogStrings;
Assert.Single(logEntries);
Assert.Equal("olleH", logEntries[0]);
}
public void LogDisplay_can_be_cleared_up_if_we_want_when_the_sink_is_disposed()
{
var evt = Some.LogEvent("Hello, world!");
var logEntries = LogDisplayEx.LogStrings;
using (var sink = new ExcelDnaLogDisplaySink(Some.TextFormatter(), clearLogOnDispose: true))
{
sink.Emit(evt);
Assert.Single(logEntries);
Assert.Equal("Hello, world!", logEntries[0]);
}
Assert.Empty(logEntries);
}
public void Events_can_be_written_to_LogDisplay_in_NewestFirst_DisplayOrder()
{
var evt1 = Some.LogEvent("Event1");
var evt2 = Some.LogEvent("Event2");
using (var sink = new ExcelDnaLogDisplaySink(Some.TextFormatter(), DisplayOrder.NewestFirst))
{
sink.Emit(evt1);
sink.Emit(evt2);
}
var logEntries = LogDisplayEx.LogStrings;
Assert.True(logEntries.Count == 2);
Assert.Equal("Event2", logEntries[0]);
Assert.Equal("Event1", logEntries[1]);
}