public void TestMultiplePatterns()
{
var dataSource = new FolderDataSource(_taskScheduler,
_logFileFactory,
_filesystem,
_settings,
TimeSpan.Zero);
var path = Path.Combine(_filesystem.Roots.First().FullName, "logs");
_filesystem.CreateDirectory(path);
_filesystem.WriteAllBytes(Path.Combine(path, "foo.log"), new byte[0]);
_filesystem.WriteAllBytes(Path.Combine(path, "foo.bar"), new byte[0]);
_filesystem.WriteAllBytes(Path.Combine(path, "foo.txt"), new byte[0]);
dataSource.Change(path, "*.log;*.txt", false);
_taskScheduler.RunOnce();
dataSource.Property(x => (IEnumerable <IDataSource>)x.OriginalSources).ShouldEventually().HaveCount(2);
dataSource.OriginalSources[0].FullFileName.Should().Be(Path.Combine(path, "foo.log"));
dataSource.OriginalSources[1].FullFileName.Should().Be(Path.Combine(path, "foo.txt"));
}
public void TestTooManySources()
{
var dataSource = new FolderDataSource(_taskScheduler,
_logFileFactory,
_filesystem,
_settings,
TimeSpan.Zero);
var path = Path.Combine(_filesystem.Roots.First().FullName, "logs");
_filesystem.CreateDirectory(path);
for (int i = 0; i < 257; ++i)
{
_filesystem.WriteAllBytes(Path.Combine(path, $"{i}.txt"), new byte[0]);
}
dataSource.Change(path, "*.log;*.txt", false);
_taskScheduler.RunOnce();
dataSource.Property(x => (IEnumerable <IDataSource>)x.OriginalSources).ShouldEventually().HaveCount(255,
"because merged log file cannot merge more than 256 logs");
dataSource.UnfilteredFileCount.Should().Be(257);
dataSource.FilteredFileCount.Should().Be(257);
}