public void TestIterationAndRemoval()
{
DefaultDiskStorage storage = GetStorageSupplier(1).Get();
string resourceId0 = "file0";
string resourceId1 = "file1";
string resourceId2 = "file2";
string resourceId3 = "file3";
byte[] CONTENT0 = Encoding.UTF8.GetBytes("content0");
byte[] CONTENT1 = Encoding.UTF8.GetBytes("content1-bigger");
byte[] CONTENT2 = Encoding.UTF8.GetBytes("content2");
byte[] CONTENT3 = Encoding.UTF8.GetBytes("content3-biggest");
IList <FileSystemInfo> files = new List <FileSystemInfo>(4);
DateTime time1 = DateTime.Now;
files.Add(Write(storage, resourceId0, CONTENT0));
DateTime time2 = time1.AddMilliseconds(1000);
_clock.SetDateTime(time2);
files.Add(Write(storage, resourceId1, CONTENT1));
DateTime time3 = time2.AddMilliseconds(1000);
_clock.SetDateTime(time3);
files.Add(Write(storage, resourceId2, CONTENT2));
DateTime time4 = time3.AddMilliseconds(1000);
_clock.SetDateTime(time4);
files.Add(Write(storage, resourceId3, CONTENT3));
IList <DefaultDiskStorage.EntryImpl> entries = RetrieveEntries(storage);
Assert.AreEqual(4, entries.Count);
Assert.AreEqual(files[0].FullName, ((FileBinaryResource)entries[0].Resource).File.FullName);
Assert.AreEqual(files[1].FullName, ((FileBinaryResource)entries[1].Resource).File.FullName);
Assert.AreEqual(files[2].FullName, ((FileBinaryResource)entries[2].Resource).File.FullName);
Assert.AreEqual(files[3].FullName, ((FileBinaryResource)entries[3].Resource).File.FullName);
// Try the same after removing 2 entries
foreach (IEntry entry in storage.GetEntries())
{
// Delete the 2 biggest files: key1 and key3 (see the content values)
if (entry.GetSize() >= CONTENT1.Length)
{
storage.Remove(entry);
}
}
IList <DefaultDiskStorage.EntryImpl> entriesAfterRemoval = RetrieveEntries(storage);
Assert.AreEqual(2, entriesAfterRemoval.Count);
Assert.AreEqual(files[0].FullName,
((FileBinaryResource)entriesAfterRemoval[0].Resource).File.FullName);
Assert.AreEqual(files[2].FullName,
((FileBinaryResource)entriesAfterRemoval[1].Resource).File.FullName);
}
public void TestRemoveById()
{
DefaultDiskStorage storage = GetStorageSupplier(1).Get();
string resourceId1 = "resource1";
byte[] value1 = new byte[100];
WriteFileToStorage(storage, resourceId1, value1);
string resourceId2 = "resource2";
byte[] value2 = new byte[100];
WriteFileToStorage(storage, resourceId2, value2);
string resourceId3 = "resource3";
byte[] value3 = new byte[100];
WriteFileToStorage(storage, resourceId3, value3);
Assert.IsTrue(storage.Contains(resourceId1, null));
Assert.IsTrue(storage.Contains(resourceId2, null));
Assert.IsTrue(storage.Contains(resourceId3, null));
storage.Remove(resourceId2);
Assert.IsTrue(storage.Contains(resourceId1, null));
Assert.IsFalse(storage.Contains(resourceId2, null));
Assert.IsTrue(storage.Contains(resourceId3, null));
storage.Remove(resourceId1);
Assert.IsFalse(storage.Contains(resourceId1, null));
Assert.IsFalse(storage.Contains(resourceId2, null));
Assert.IsTrue(storage.Contains(resourceId3, null));
storage.Remove(resourceId3);
Assert.IsFalse(storage.Contains(resourceId1, null));
Assert.IsFalse(storage.Contains(resourceId2, null));
Assert.IsFalse(storage.Contains(resourceId3, null));
}
public void TestRemoveWithIterator()
{
DefaultDiskStorage storage = GetStorageSupplier(1).Get();
string resourceId1 = "resource1";
byte[] value1 = new byte[100];
value1[80] = 101;
string resourceId2 = "resource2";
byte[] value2 = new byte[104];
value2[80] = 102;
string resourceId3 = "resource3";
byte[] value3 = new byte[106];
value3[80] = 103;
DateTime time1 = DateTime.Now;
WriteFileToStorage(storage, resourceId1, value1);
DateTime time2 = time1.AddMilliseconds(1000);
_clock.SetDateTime(time2);
WriteFileToStorage(storage, resourceId2, value2);
_clock.SetDateTime(time2.AddMilliseconds(1000));
WriteFileToStorage(storage, resourceId3, value3);
IList <FileSystemInfo> files = FindNewFiles(_directory, new HashSet <FileSystemInfo>(), /*recurse*/ true);
// There should be 1 file per entry
Assert.AreEqual(3, files.Count);
// Now delete entry2
ICollection <IEntry> entries = storage.GetEntries();
foreach (var item in entries)
{
if (Math.Abs((item.Timestamp - time2).TotalMilliseconds) < 500)
{
storage.Remove(item);
}
}
Assert.IsFalse(storage.Contains(resourceId2, null));
IList <FileSystemInfo> remaining = FindNewFiles(
_directory, new HashSet <FileSystemInfo>(), /*recurse*/ true);
// 2 entries remain
Assert.AreEqual(2, remaining.Count);
// None of them with timestamp close to time2
IList <IEntry> entries1 = new List <IEntry>(storage.GetEntries());
Assert.AreEqual(2, entries1.Count);
// First
IEntry entry = entries1[0];
Assert.IsFalse(Math.Abs((entry.Timestamp - time2).TotalMilliseconds) < 500);
// Second
entry = entries1[1];
Assert.IsFalse(Math.Abs((entry.Timestamp - time2).TotalMilliseconds) < 500);
}