public void Clear_removes_all_entries()
{
var sut = new FilesystemCache(CACHE_PATH);
sut.Add("key1", "1");
sut.Add("key2", "2");
sut.Clear();
Assert.AreEqual(0, Directory.GetFiles(CACHE_PATH).Length);
}
public void Adding_existing_key_does_not_overwrite_value()
{
const string entry_filename = CACHE_PATH + @"\mykey.txt";
File.Delete(entry_filename);
var sut = new FilesystemCache(CACHE_PATH);
sut.Add("mykey", "hello");
sut.Add("mykey", "world");
Assert.AreEqual("hello", File.ReadAllText(entry_filename));
}
public void Adding_key_creates_file_and_stores_value()
{
const string entry_filename = CACHE_PATH + @"\mykey.txt";
File.Delete(entry_filename);
var sut = new FilesystemCache(CACHE_PATH);
sut.Add("mykey", "hello");
Assert.AreEqual("hello", File.ReadAllText(entry_filename));
}
public void Replace_an_existing_value()
{
const string entry_filename = CACHE_PATH + @"\mykey.txt";
var sut = new FilesystemCache(CACHE_PATH);
sut.Add("mykey", "will be overwritten");
sut.ReplaceOrAdd("mykey", "hello");
Assert.AreEqual("hello", File.ReadAllText(entry_filename));
}
public void Remove_a_key()
{
const string entry_filename = CACHE_PATH + @"\mykey.txt";
var sut = new FilesystemCache(CACHE_PATH);
sut.Add("mykey", "to be deleted");
sut.Remove("mykey");
Assert.IsFalse(File.Exists(entry_filename));
}