public async Task CreateOrAppendTextWorksWithExistingFile()
{
// --- Arrange
const string BODY = "FirstSecond";
var wfs = new WindowsFileStorage(ROOT);
var file = new AbstractFileDescriptor("Container", null, "TestFile.txt");
var fileName = WindowsFileStorage.FilePathFromAbstractFile(file);
if (File.Exists(fileName))
{
File.Delete(fileName);
}
using (var textFile = await wfs.CreateTextAsync(file))
{
textFile.Writer.Write("First");
}
// --- Act
using (var textFile = await wfs.CreateOrAppendTextAsync(file))
{
textFile.Writer.Write("Second");
}
// --- Assert
using (var savedFile = await wfs.OpenTextAsync(file))
{
var text = savedFile.Reader.ReadToEnd();
text.ShouldBe(BODY);
}
}