public void Deduplication()
{
_driver.Write(Arg.Any <string>()).Returns(x => new MemoryStream());
var index = new XmlStorageIndex(_driver);
_driver.Exists(Arg.Any <string>()).Returns(true);
_driver.GetLength(Arg.Is("f1")).Returns(3);
_driver.GetLength(Arg.Is("f3")).Returns(3);
_driver.GetLength(Arg.Is("f4")).Returns(3);
_driver.Read(Arg.Is("f1")).Returns(new MemoryStream(new byte[] { 1, 2, 3 }));
_driver.Read(Arg.Is("f3")).Returns(new MemoryStream(new byte[] { 1, 2, 3 }));
_driver.Read(Arg.Is("f4")).Returns(new MemoryStream(new byte[] { 1, 2, 3 })
{
Position = 1
});
var storage = new XmlStorage(_driver, index);
index.Add(new StorageItem {
FileName = "f1", Url = "url1"
});
index.Add(new StorageItem {
FileName = "f2", Url = "url2"
});
index.Add(new StorageItem {
FileName = "f3", Url = "url3"
});
index.Add(new StorageItem {
FileName = "f4", Url = "url4"
});
storage.Deduplication();
Assert.IsTrue(index.Items.Any(x => x.FileName == "f2"));
Assert.IsTrue(
index.Items.Count(x => x.FileName == "f1") == 3 ||
index.Items.Count(x => x.FileName == "f3") == 3 ||
index.Items.Count(x => x.FileName == "f4") == 3
);
}