public async Task should_be_notified_when_the_leadership_changes()
{
var manager = new InMemoryLeaseManager(node1);
var node1Elected = false;
var node2Elected = false;
BuildSubject(node1, manager, b => { if (!node1Elected)
{
node1Elected = b;
}
}, out var _, out var node1Runner);
BuildSubject(node2, manager, b => { if (!node2Elected)
{
node2Elected = b;
}
}, out var _, out var node2Runner);
// start the runners async
#pragma warning disable 4014
node1Runner.Start();
node2Runner.Start();
#pragma warning restore 4014
await Task.Delay(500);
manager.AssignLeader(node2);
await Task.Delay(500);
Assert.True(node1Elected);
Assert.True(node2Elected);
}
public async Task only_one_node_should_be_running_at_any_one_time()
{
var manager = new InMemoryLeaseManager(node1);
BuildSubject(node1, manager, out var service1, out var node1Runner);
BuildSubject(node2, manager, out var service2, out var node2Runner);
// start the runners async
#pragma warning disable 4014
node1Runner.Start();
node2Runner.Start();
#pragma warning restore 4014
await Task.Delay(500);
Assert.True(service1.Started);
Assert.False(service2.Started);
manager.AssignLeader(node2);
await Task.Delay(500);
Assert.False(service1.Started);
Assert.True(service2.Started);
}
