private async Task ValidateLogEntriesAsync(LogLevel logLevel, Dictionary <int, string> truth)
{
using (var provider = new SimpleFileLoggerProvider(new SimpleFileLoggerOptions
{
RootFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
Filter = level => level >= logLevel && level != LogLevel.None
}))
{
var logger = provider.CreateLogger(CategoryName);
logger.LogTrace("Trace");
logger.LogDebug("Debug");
logger.LogInformation("Information");
logger.LogWarning("Warning");
logger.LogError("Error");
logger.LogCritical("Critical");
logger.Log(LogLevel.None, "None");
var entries = await File.ReadAllLinesAsync(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), SimpleFileLoggerOptions.DefaultLogFilename));
Assert.AreEqual((truth.Count - 1) * 2, entries.Length);
foreach (var kvp in truth)
{
Assert.IsTrue(entries[kvp.Key].Contains(kvp.Value));
}
} // using log provider.
}
public async Task ArchiveCheck()
{
using (var provider = new SimpleFileLoggerProvider(new SimpleFileLoggerOptions
{
RootFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
MaxFileSizeBytes = 1024
}))
{
var logger = provider.CreateLogger(CategoryName);
for (var i = 1; i <= 10; i++)
{
for (var j = 1; j <= 15; j++)
{
logger.LogInformation($"{i}-{j}");
}
// It appears as though we can write files too quickly so that sorting them later by LastWriteTime
// doesn't work properly. Based on the docs there is some caching going on. This seems to fix it.
// In real life these log files won't be archived this quickly anyway.
// https://docs.microsoft.com/en-us/dotnet/api/system.io.filesysteminfo.lastwritetimeutc?view=netframework-4.7.2
await Task.Delay(500);
} // file for loop
} // using log provider.
Assert.AreEqual(6, Directory.GetFiles(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), $"*{Path.GetExtension(SimpleFileLoggerOptions.DefaultLogFilename)}").Length);
}
