public void WebTransferCache_DeleteFileWhenOpen()
{
// Verify that an open file will not be deleted and no exception
// is thrown. This simulates the case where the website is in the
// process of downloading the file.
WebTransferCache cache;
WebTransferFile file;
ClearFolder();
cache = new WebTransferCache(new Uri("http://test.com"), folder, "", TimeSpan.FromMinutes(10), TimeSpan.FromSeconds(10));
cache.Start();
try
{
file = cache.GetCommittedFile(Guid.Empty, ".pdf");
cache.GetCommittedFile(file.ID, ".pdf"); // File should still be there
using (file.GetStream())
{
cache.DeleteFile(file.ID, ".pdf");
cache.GetCommittedFile(file.ID, ".pdf"); // Shouldn't throw an exception
}
}
finally
{
cache.Stop();
}
}
public void WebTransferCache_DeleteFileByUri()
{
// Verify that we can delete a cached file via its URI.
WebTransferCache cache;
WebTransferFile file;
Uri uri;
ClearFolder();
cache = new WebTransferCache(new Uri("http://test.com"), folder, "", TimeSpan.FromMinutes(10), TimeSpan.FromSeconds(10));
cache.Start();
try
{
file = cache.GetCommittedFile(Guid.Empty, ".pdf");
uri = cache.GetCommittedFile(file.ID, ".pdf").Uri; // File should still be there
cache.DeleteFile(uri);
// File should have been deleted
try
{
cache.GetCommittedFile(file.ID, ".pdf");
Assert.Fail("Expected the file to be deleted.");
}
catch (FileNotFoundException)
{
// Expected
}
// Verify that some error cases don't throw exceptions.
cache.DeleteFile(uri); // File already deleted
cache.DeleteFile(new Uri("http://test.com")); // No segments in URI
cache.DeleteFile(new Uri("http://test.com/hello.htm")); // Invalid GUID
cache.DeleteFile(new Uri("http://test.com/6ED48410-A140-434c-B294-0CE81042EEA9")); // No file extension
}
finally
{
cache.Stop();
}
}
public void WebTransferCache_DeleteFileNoExist()
{
// Verify that we can delete a file that doesn't exist without an exception.
WebTransferCache cache;
ClearFolder();
cache = new WebTransferCache(new Uri("http://test.com"), folder, "", TimeSpan.FromMinutes(10), TimeSpan.FromSeconds(10));
cache.Start();
try
{
cache.DeleteFile(Guid.NewGuid(), ".pdf");
}
finally
{
cache.Stop();
}
}
public void WebTransferCache_DeleteFileByID()
{
// Verify that we can delete a cached file via its ID.
WebTransferCache cache;
WebTransferFile file;
ClearFolder();
cache = new WebTransferCache(new Uri("http://test.com"), folder, "", TimeSpan.FromMinutes(10), TimeSpan.FromSeconds(10));
cache.Start();
try
{
file = cache.GetCommittedFile(Guid.Empty, ".pdf");
cache.GetCommittedFile(file.ID, ".pdf"); // File should still be there
cache.DeleteFile(file.ID, ".pdf");
// File should have been deleted
try
{
cache.GetCommittedFile(file.ID, ".pdf");
Assert.Fail("Expected the file to be deleted.");
}
catch (FileNotFoundException)
{
// Expected
}
}
finally
{
cache.Stop();
}
}