public void StatefulOperator_Versioning_NotSupportedByDefault()
{
var o = Observer.Create <int>(_ => { }, _ => Assert.Fail(), () => Assert.Fail());
var state = new MockOperatorStateContainer();
var writerFactory = state.CreateWriter();
var readerFactory = state.CreateReader();
var mo = new MyOperator(o)
{
State = 42
};
mo.Start();
var writer = writerFactory.Create(mo);
Assert.ThrowsException <NotSupportedException>(() => mo.SaveState(writer, new Version(2, 0, 0, 0)));
var mor = new MyOperator(o);
var reader = readerFactory.Create(mor);
Assert.ThrowsException <NotSupportedException>(() => mor.LoadState(reader, new Version(2, 0, 0, 0)));
}
public void StatefulOperator_State()
{
var o = Observer.Create <int>(_ => { }, _ => Assert.Fail(), () => Assert.Fail());
var state = new MockOperatorStateContainer();
var writerFactory = state.CreateWriter();
var readerFactory = state.CreateReader();
var mo = new MyOperator(o)
{
State = 42
};
mo.Start();
Assert.IsTrue(mo.Started);
Assert.IsTrue(mo.StateChanged);
Assert.ThrowsException <ArgumentNullException>(() => mo.SaveState(null, mo.Version));
var writer = writerFactory.Create(mo);
mo.SaveState(writer, mo.Version);
Assert.IsTrue(mo.StateChanged);
mo.OnStateSaved();
Assert.IsFalse(mo.StateChanged);
var mor = new MyOperator(o);
var reader = readerFactory.Create(mor);
Assert.ThrowsException <ArgumentNullException>(() => mor.LoadState(null, mor.Version));
mor.LoadState(reader, mor.Version);
mor.Start();
Assert.IsTrue(mor.Started);
Assert.AreEqual(42, mor.State);
mo.State = 43;
Assert.IsTrue(mo.StateChanged);
writer = writerFactory.Create(mo);
mo.SaveState(writer, mo.Version);
mo.OnStateSaved();
Assert.IsFalse(mo.StateChanged);
var moq = new MyOperator(o);
reader = readerFactory.Create(moq);
moq.LoadState(reader, moq.Version);
moq.Start();
Assert.IsTrue(moq.Started);
Assert.AreEqual(43, moq.State);
mo.Dispose();
Assert.IsTrue(mo.Disposed);
writer = writerFactory.Create(mo);
mo.SaveState(writer, mo.Version);
mo.OnStateSaved();
var mop = new MyOperator(o);
reader = readerFactory.Create(mop);
mop.LoadState(reader, mop.Version);
mop.Start();
Assert.IsTrue(mop.Disposed);
Assert.IsFalse(mop.Started);
}