public void TryRemoveFile_should_never_throw_exceptions()
{
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (System.IO.File.Create(file))
fileSystem.TryRemoveFile(file).Should().Be(!RuntimeInformation.IsOSPlatform(OSPlatform.Windows));
}
}
public void TryRemoveFile_should_never_throw_exceptions()
{
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (System.IO.File.Create(file))
fileSystem.TryRemoveFile(file).Should().BeFalse();
}
}
public void OpenFile_should_use_shared_handles()
{
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (var writer = fileSystem.OpenFile(file, FileOpenMode.Append, Encoding.UTF8, 4096))
{
writer.WriteLine("test");
writer.Flush();
using (var reader = new StreamReader(new FileStream(file, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)))
reader.ReadLine().Should().Be("test");
}
}
}
public void TryOpenFile_should_return_null_if_locked()
{
var settings = new FileLogSettings
{
UseSeparateFileOnConflict = false
};
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (var writer1 = fileSystem.TryOpenFile(file, settings))
using (var writer2 = fileSystem.TryOpenFile(file, settings))
{
writer1.Should().NotBeNull();
writer2.Should().BeNull();
}
}
}
public void TryOpenFile_should_use_shared_handles_if_specified()
{
var settings = new FileLogSettings
{
FileShare = FileShare.ReadWrite
};
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (var writer = fileSystem.TryOpenFile(file, settings))
{
writer.WriteLine("test");
writer.Flush();
using (var reader = new StreamReader(new FileStream(file, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)))
reader.ReadLine().Should().Be("test");
}
}
}
public void TryOpenFile_should_append_suffix_if_locked()
{
var settings = new FileLogSettings
{
UseSeparateFileOnConflict = true
};
using (var folder = new TemporaryFolder())
{
var file = folder.GetFileName("log");
using (var writer1 = fileSystem.TryOpenFile(file, settings))
using (var writer2 = fileSystem.TryOpenFile(file, settings))
{
writer1.WriteLine("test1");
writer2.WriteLine("test2");
}
System.IO.File.ReadAllLines(file).Should().BeEquivalentTo("test1");
System.IO.File.ReadAllLines(file + "-1").Should().BeEquivalentTo("test2");
}
}