public void ThrowsNull()
{
var logsRecorded = new List<(string, LogLevel)>();
var backTrackSink = new BacktrackSink(null, LogLevel.Trace, LogLevel.Critical, TimeSpan.FromMilliseconds(50));
Assert.Throws<NullReferenceException>(() => backTrackSink.Emit("entry 1", LogLevel.Critical));
}
public void TestIfChangingTriggeringLevelWorks()
{
var logsRecorded = new List<(string, LogLevel)>();
var innerSink = new Mock<ISink>();
innerSink.Setup(s => s.Emit(It.IsAny<string>(), It.IsAny<LogLevel>()))
.Callback((string str, LogLevel level) => logsRecorded.Add((str, level)));
var backTrackSink = new BacktrackSink(innerSink.Object, LogLevel.Info, LogLevel.Fatal, TimeSpan.FromSeconds(30));
backTrackSink.Emit("entry 1", LogLevel.Trace);
backTrackSink.Emit("entry 2", LogLevel.Info);
Assert.Empty(logsRecorded);
backTrackSink.Emit("entry 3", LogLevel.Critical);
Assert.Empty(logsRecorded);
}
public void InvertedLevelsDontThrow()
{
var logsRecorded = new List<(string, LogLevel)>();
var innerSink = new Mock<ISink>();
innerSink.Setup(s => s.Emit(It.IsAny<string>(), It.IsAny<LogLevel>()))
.Callback((string str, LogLevel level) => logsRecorded.Add((str, level)));
var backTrackSink = new BacktrackSink(innerSink.Object, LogLevel.Critical, LogLevel.Info, TimeSpan.FromSeconds(30));
backTrackSink.Emit("entry 1", LogLevel.Trace);
backTrackSink.Emit("entry 2", LogLevel.Trace);
Assert.Empty(logsRecorded);
backTrackSink.Emit("entry 3", LogLevel.Critical);
Assert.Single(logsRecorded);
Assert.Equal("entry 3", logsRecorded[0].Item1);
}
public async Task DeleteOldUnrecordedLogs()
{
var logsRecorded = new List<(string, LogLevel)>();
var innerSink = new Mock<ISink>();
innerSink.Setup(s => s.Emit(It.IsAny<string>(), It.IsAny<LogLevel>()))
.Callback((string str, LogLevel level) => logsRecorded.Add((str, level)));
var backTrackSink = new BacktrackSink(innerSink.Object, LogLevel.Trace, LogLevel.Critical, TimeSpan.FromMilliseconds(50));
backTrackSink.Emit("entry 1", LogLevel.Trace);
await Task.Delay(100);
backTrackSink.Emit("entry 2", LogLevel.Trace);
Assert.Empty(logsRecorded);
backTrackSink.Emit("entry 3", LogLevel.Critical);
Assert.Equal(2, logsRecorded.Count);
Assert.Equal("entry 2", logsRecorded[0].Item1);
Assert.Equal("entry 3", logsRecorded[1].Item1);
}
