public void UpdateData_should_return_success_if_get_update_set_data_are_successful()
{
const string path = "zk/default";
var bytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
zooKeeperClient.GetDataAsync(Arg.Any <GetDataRequest>())
.Returns(GetDataResult.Successful(path, bytes, Stat));
zooKeeperClient.SetDataAsync(Arg.Any <SetDataRequest>()).Returns(SetDataResult.Successful(path, Stat));
zooKeeperClient.UpdateData(new UpdateDataRequest(path, dummyUpdate))
.Should()
.BeEquivalentTo(UpdateDataResult.Successful(path));
}
public void UpdateData_should_return_false_after_one_attempt_if_set_data_fails(ZooKeeperStatus failFastStatus)
{
const string path = "zk/default";
var bytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
zooKeeperClient.GetDataAsync(Arg.Any <GetDataRequest>())
.Returns(GetDataResult.Successful(path, bytes, Stat));
zooKeeperClient.SetDataAsync(Arg.Any <SetDataRequest>())
.Returns(SetDataResult.Unsuccessful(failFastStatus, path, null));
zooKeeperClient.UpdateData(new UpdateDataRequest(path, dummyUpdate))
.Should()
.BeEquivalentTo(UpdateDataResult.Unsuccessful(failFastStatus, path, null));
zooKeeperClient.ReceivedWithAnyArgs(1).SetDataAsync(Arg.Any <SetDataRequest>());
}
public void UpdateData_should_make_all_attempts_to_set_data_and_return_fail()
{
const string path = "zk/default";
const int attempts = 10;
var bytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
zooKeeperClient.GetDataAsync(Arg.Any <GetDataRequest>())
.Returns(GetDataResult.Successful(path, bytes, Stat));
zooKeeperClient.SetDataAsync(Arg.Any <SetDataRequest>())
.Returns(SetDataResult.Unsuccessful(ZooKeeperStatus.VersionsMismatch, path, null));
zooKeeperClient.UpdateData(new UpdateDataRequest(path, dummyUpdate)
{
Attempts = attempts
})
.Should()
.BeEquivalentTo(UpdateDataResult.Unsuccessful(ZooKeeperStatus.VersionsMismatch, path, null));
zooKeeperClient.ReceivedWithAnyArgs(attempts)
.SetDataAsync(Arg.Any <SetDataRequest>());
}
public void UpdateData_should_not_apply_update_when_bytes_not_changed()
{
const string path = "zk/default";
const int attempts = 10;
var bytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
var updatedBytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
byte[] UpdateFunc(byte[] oldBytes) =>
updatedBytes;
zooKeeperClient.GetDataAsync(Arg.Any <GetDataRequest>())
.Returns(GetDataResult.Successful(path, bytes, Stat));
zooKeeperClient.UpdateData(new UpdateDataRequest(path, UpdateFunc)
{
Attempts = attempts
})
.Should().BeEquivalentTo(UpdateDataResult.Successful(path));
zooKeeperClient
.DidNotReceiveWithAnyArgs()
.SetDataAsync(Arg.Any <SetDataRequest>());
}
public void UpdateData_should_apply_update_func_to_bytes()
{
const string path = "zk/default";
const int attempts = 10;
var bytes = new byte[] { 0, 1, 1, 2, 3, 5, 8, 13 };
var updatedBytes = new byte[] { 3, 1, 4, 2 };
byte[] UpdateFunc(byte[] oldBytes) =>
updatedBytes;
zooKeeperClient.GetDataAsync(Arg.Any <GetDataRequest>())
.Returns(GetDataResult.Successful(path, bytes, Stat));
zooKeeperClient.SetDataAsync(Arg.Any <SetDataRequest>())
.Returns(SetDataResult.Unsuccessful(ZooKeeperStatus.VersionsMismatch, path, null));
zooKeeperClient.UpdateData(new UpdateDataRequest(path, UpdateFunc)
{
Attempts = attempts
});
zooKeeperClient.Received(attempts)
.SetDataAsync(Arg.Is <SetDataRequest>(sendReq => sendReq.Data.Equals(updatedBytes)));
}