public void CancellationTokenOverwrite_ExceptionThrown()
{
var contents = Enumerable.Repeat("This is a test line.", 300000).ToList();
var path = Path.Combine(copyTestFolder, nameof(CancellationTokenOverwrite_ExceptionThrown));
Directory.CreateDirectory(copyTestFolder);
File.WriteAllLines(path, contents);
var copyPath = Path.Combine(copyTestFolder, $"{nameof(CancellationTokenOverwrite_ExceptionThrown)}_Copy");
if (!File.Exists(copyPath))
{
File.Create(copyPath).Dispose();
}
var tokenSource = new CancellationTokenSource();
Assert.ThrowsAsync <TaskCanceledException>(async() =>
{
var task = AsyncFile.CopyAsync(path, copyPath, true, tokenSource.Token);
tokenSource.Cancel();
await task;
});
var result = File.ReadAllLines(copyPath);
Assert.IsTrue(contents.Count > result.Length);
}
public static async Task CopyAsync(string sourceFileName, string destFileName, bool overwrite, CancellationToken cancellationToken)
{
string dir = Path.GetDirectoryName(destFileName);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
await AsyncFile.CopyAsync(sourceFileName, destFileName, overwrite, cancellationToken);
}
public static async Task CopyAsync(string sourceFileName, string destFileName)
{
string dir = Path.GetDirectoryName(destFileName);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
await AsyncFile.CopyAsync(sourceFileName, destFileName);
}
public async Task Default_FileCopied()
{
var contents = Enumerable.Repeat("This is a test line.", 150).ToList();
var path = Path.Combine(copyTestFolder, nameof(Default_FileCopied));
Directory.CreateDirectory(copyTestFolder);
File.WriteAllLines(path, contents);
var copyPath = Path.Combine(copyTestFolder, $"{nameof(Default_FileCopied)}_Copy");
File.Delete(copyPath);
await AsyncFile.CopyAsync(path, copyPath);
var result = File.ReadAllLines(copyPath);
CollectionAssert.AreEqual(contents, result);
}
public async Task Overwrite_FileCopied()
{
var contents = Enumerable.Repeat("This is a test line.", 150).ToList();
var path = Path.Combine(copyTestFolder, nameof(Overwrite_FileCopied));
Directory.CreateDirectory(copyTestFolder);
File.WriteAllLines(path, contents);
var copyPath = Path.Combine(copyTestFolder, $"{nameof(Overwrite_FileCopied)}_Copy");
if (!File.Exists(copyPath))
{
File.Create(copyPath).Dispose();
}
await AsyncFile.CopyAsync(path, copyPath, true);
var result = File.ReadAllLines(copyPath);
CollectionAssert.AreEqual(contents, result);
}