public void TestCreateRootDirectoryIfNecessary()
{
DynamicDefaultDiskStorage supplier = CreateInternalCacheDirStorage();
Assert.IsNull(supplier._currentState.DiskStorageDelegate);
DirectoryInfo cacheDir = new DirectoryInfo(ApplicationData.Current.LocalCacheFolder.Path);
DirectoryInfo baseDir = new DirectoryInfo(Path.Combine(cacheDir.FullName, _baseDirectoryName));
// Directory is clean
supplier.CreateRootDirectoryIfNecessary(baseDir);
baseDir.Refresh();
Assert.IsTrue(baseDir.Exists);
// Cleanup
FileTree.DeleteRecursively(baseDir);
// A file with the same name exists - this should clobber the file, and create a directory
// instead
FileInfo dummyFile = new FileInfo(Path.Combine(cacheDir.FullName, _baseDirectoryName));
Assert.IsTrue(dummyFile.CreateEmpty());
Assert.IsTrue(dummyFile.Exists);
supplier.CreateRootDirectoryIfNecessary(baseDir);
baseDir.Refresh();
Assert.IsTrue(baseDir.Exists);
// Cleanup
FileTree.DeleteRecursively(baseDir);
// A directory with the same name exists - and with a file in it.
// Everything should stay the same
baseDir.Create();
FileInfo dummyFile2 = new FileInfo(Path.Combine(baseDir.FullName, "dummy1"));
Assert.IsTrue(dummyFile2.CreateEmpty());
Assert.IsTrue(dummyFile2.Exists);
supplier.CreateRootDirectoryIfNecessary(baseDir);
baseDir.Refresh();
dummyFile2.Refresh();
Assert.IsTrue(dummyFile2.Exists);
}
