public void FileIsWrittenIfNonexistent()
{
using (var tmp = TempFolder.ForCaller())
{
var nonexistent = tmp.AllocateFilename("txt");
var evt = Some.LogEvent("Hello, world!");
using (var sink = new SharedFileSink(nonexistent, new JsonFormatter(), null))
{
sink.Emit(evt);
}
var lines = System.IO.File.ReadAllLines(nonexistent);
Assert.Contains("Hello, world!", lines[0]);
}
}
public void WhenLimitIsNotSpecifiedFileSizeIsNotRestricted()
{
const int maxBytes = 5000;
const int eventsToLimit = 10;
using (var tmp = TempFolder.ForCaller())
{
var path = tmp.AllocateFilename("txt");
var evt = Some.LogEvent(new string('n', maxBytes / eventsToLimit));
using (var sink = new SharedFileSink(path, new JsonFormatter(), null))
{
for (var i = 0; i < eventsToLimit * 2; i++)
{
sink.Emit(evt);
}
}
var size = new FileInfo(path).Length;
Assert.True(size > maxBytes * 2);
}
}
public void FileIsAppendedToWhenAlreadyCreated()
{
using (var tmp = TempFolder.ForCaller())
{
var path = tmp.AllocateFilename("txt");
var evt = Some.LogEvent("Hello, world!");
using (var sink = new SharedFileSink(path, new JsonFormatter(), null))
{
sink.Emit(evt);
}
using (var sink = new SharedFileSink(path, new JsonFormatter(), null))
{
sink.Emit(evt);
}
var lines = System.IO.File.ReadAllLines(path);
Assert.Contains("Hello, world!", lines[0]);
Assert.Contains("Hello, world!", lines[1]);
}
}