public static void GetSetValue_WhenInvokedTogetherUpdatingValue_HasEqualInputAndOutput()
{
var testDirPath = Path.Combine(Environment.CurrentDirectory, "getsetvalue_test");
var testDir = new DirectoryInfo(testDirPath);
if (!testDir.Exists)
{
testDir.Create();
}
var cachePolicy = Mock.Of <ICachePolicy <string> >();
var input = new byte[] { 1, 2, 3, 4 };
var updatedInput = new byte[] { 3, 4, 5, 6 };
const ulong size = 20;
using (var cache = new DiskCache <string>(testDir, cachePolicy, size))
{
cache.SetValue("asd", new MemoryStream(input));
cache.SetValue("asd", new MemoryStream(updatedInput));
var result = cache.GetValue("asd");
using (var reader = new BinaryReader(result))
{
var resultBytes = reader.ReadBytes(4);
var seqEqual = updatedInput.SequenceEqual(resultBytes);
Assert.IsTrue(seqEqual);
}
}
testDir.Delete(true);
}
private static void Main()
{
var cacheDir = new DirectoryInfo(@"C:\Users\sjp\Downloads\tmp\cache");
var cachePolicy = new LruCachePolicy <string>();
const ulong maxSize = 1024L * 1024L * 1024L * 1024L; // 1GB
using (var diskCache = new DiskCache <string>(cacheDir, cachePolicy, maxSize))
{
diskCache.EntryAdded += (_, e) => Console.WriteLine($"Added: { e.Key }, { e.Size }");
using (var flacStream = File.OpenRead(@"C:\Users\sjp\Downloads\05. End Of Days.flac"))
diskCache.SetValue("flacFile", flacStream);
var containsTest = diskCache.ContainsKey("flacFile");
if (containsTest)
{
using (var outStr = diskCache.GetValue("flacFile"))
using (var tmpFile = File.OpenWrite(@"C:\Users\sjp\Downloads\tmp.flac"))
outStr.CopyTo(tmpFile);
}
Console.WriteLine("Press any key to exit...");
Console.ReadKey(true);
}
}
public static void GetValue_WhenEmpty_ThrowsKeyNotFoundEx()
{
var testDirPath = Path.Combine(Environment.CurrentDirectory, "getvalue_test");
var testDir = new DirectoryInfo(testDirPath);
if (!testDir.Exists)
{
testDir.Create();
}
var cachePolicy = Mock.Of <ICachePolicy <string> >();
const ulong size = 123;
using (var cache = new DiskCache <string>(testDir, cachePolicy, size))
{
Assert.Throws <KeyNotFoundException>(() => cache.GetValue("asd"));
}
testDir.Delete(true);
}
public static void GetValue_WhenValueExpired_ThrowsKeyNotFoundException()
{
var testDirPath = Path.Combine(Environment.CurrentDirectory, "getvalueexpired_test");
var testDir = new DirectoryInfo(testDirPath);
if (!testDir.Exists)
{
testDir.Create();
}
var cachePolicy = new FixedTimespanCachePolicy <string>(TimeSpan.FromMilliseconds(1));
var input = new byte[] { 1, 2, 3, 4 };
const ulong size = 20;
using (var cache = new DiskCache <string>(testDir, cachePolicy, size, TimeSpan.FromMilliseconds(5)))
{
cache.SetValue("asd", new MemoryStream(input));
Task.Delay(100).Wait();
Assert.Throws <KeyNotFoundException>(() => cache.GetValue("asd"));
}
testDir.Delete(true);
}