public void Adding_item_that_does_exists_on_cache_and_has_matching_timestamp_value_will_replace_value()
{
Cache["foo"] = new CachedItem {
Buffer = new byte[] { 3, 4 }, Timestamp = 4
};
var stream = new MemoryStream();
stream.WriteByte(1);
stream.WriteByte(2);
stream.WriteByte(13);
stream.WriteByte(10);
stream.Position = 0;
var command = new CasCommand();
command.SetContext(stream);
command.Init("foo", "1", "0", "2", "4");
command.FinishedExecuting += () => wait.Set();
command.Execute();
wait.WaitOne();
var c = (CachedItem)Cache["foo"];
CollectionAssert.AreEqual(new byte[] { 1, 2 }, c.Buffer);
Assert.IsTrue(4L != c.Timestamp);
}
public void When_deleting_item_in_cache_with_time_will_block_cas_operations()
{
Cache["foo2"] = new CachedItem();
var stream = new MemoryStream();
var command = new DeleteCommand();
command.SetContext(stream);
command.Init("foo2", "500");
command.FinishedExecuting += () => wait.Set();
command.Execute();
wait.WaitOne();
Assert.AreEqual("DELETED\r\n", ReadAll(stream));
wait.Reset();
var buffer = new byte[] { 1, 2, 3, 4 };
stream = GetStreamWithData(buffer);
var casCommand = new CasCommand();
casCommand.SetContext(stream);
casCommand.Init("foo2", "1", "6000", "4", "2");
casCommand.FinishedExecuting += () => wait.Set();
casCommand.Execute();
wait.WaitOne();
Assert.AreEqual("NOT_STORED\r\n", ReadAll(6, stream));
}
public void Will_parse_store_arguments_include_cas()
{
var command = new CasCommand();
command.SetContext(new MemoryStream());
command.Init("foo", "1", "0", "2", "523423");
Assert.AreEqual(523423, command.Timestamp);
}
public void Specifying_too_many_arguments_will_send_error()
{
var stream = new MemoryStream();
var cmd = new CasCommand();
cmd.SetContext(stream);
bool result = cmd.Init("b", "1", "2", "3", "noreply", "3", "3");
Assert.IsFalse(result);
string actual = ReadAll(stream);
Assert.AreEqual("CLIENT_ERROR Expected to get 'cas <key> <flags> <exptime> <bytes> <cas unqiue> [noreply]'\r\n", actual);
}
public void Trying_to_call_invalid_noreply_will_result_in_error()
{
var stream = new MemoryStream();
var cmd = new CasCommand();
cmd.SetContext(stream);
bool result = cmd.Init("b", "1", "2", "2", "1", "blah");
Assert.IsFalse(result);
string actual = ReadAll(stream);
Assert.AreEqual("CLIENT_ERROR Last argument was expected to be [noreply]\r\n", actual);
}
public void Trying_to_call_empty_key_will_result_in_error()
{
var stream = new MemoryStream();
var cmd = new CasCommand();
cmd.SetContext(stream);
bool result = cmd.Init("", "1", "2", "2", "?x");
Assert.IsFalse(result);
string actual = ReadAll(stream);
Assert.AreEqual("CLIENT_ERROR Key cannot be empty\r\n", actual);
}
public void Specifying_invalid_cas_value_will_result_in_error()
{
var stream = new MemoryStream();
var cmd = new CasCommand();
cmd.SetContext(stream);
bool result = cmd.Init("b", "1", "2", "2", "?x");
Assert.IsFalse(result);
string actual = ReadAll(stream);
Assert.AreEqual("CLIENT_ERROR cas value should be numeric\r\n", actual);
}
public void Adding_item_that_does_not_exists_will_return_not_found()
{
var stream = new MemoryStream();
stream.WriteByte(1);
stream.WriteByte(2);
stream.WriteByte(13);
stream.WriteByte(10);
stream.Position = 0;
var command = new CasCommand();
command.SetContext(stream);
command.Init("foo", "1", "0", "2", "523423");
command.FinishedExecuting += () => wait.Set();
command.Execute();
wait.WaitOne();
Assert.AreEqual("NOT_FOUND\r\n", ReadAll(4, stream));
}
public void Adding_item_that_does_exists_on_cache_and_has_matching_timestamp_value_will_return_stored()
{
Cache["foo"] = new CachedItem {
Timestamp = 4
};
var stream = new MemoryStream();
stream.WriteByte(1);
stream.WriteByte(2);
stream.WriteByte(13);
stream.WriteByte(10);
stream.Position = 0;
var command = new CasCommand();
command.SetContext(stream);
command.Init("foo", "1", "0", "2", "4");
command.FinishedExecuting += () => wait.Set();
command.Execute();
wait.WaitOne();
Assert.AreEqual("STORED\r\n", ReadAll(4, stream));
}