public async Task ExtendWithRepeaterAsync()
{
using var waitAre = new AutoResetEvent(false);
using var waitInvoked = new AutoResetEvent(false);
var mem = MemInstances(3, (ttl, duration) => ttl);
Lock("r", "n2", mem);
var repeater = new Mock <IRedlockRepeater>(MockBehavior.Strict);
repeater.Setup(x => x.WaitRandomAsync(600, default)).Returns(new ValueTask()).Callback(() =>
{
waitInvoked.Set();
Assert.True(waitAre.WaitOne(2000));
});
repeater.Setup(x => x.Next()).Returns(true);
var task = Task.Run(async() =>
{
var l = new Redlock("r", "n", Ttl, _now, mem.ToInstances(), _log);
return(await l.ExtendAsync(repeater.Object, 600, () => _now));
});
Assert.True(waitInvoked.WaitOne(2000));
repeater.Verify(x => x.Next(), Times.Once);
Unlock("r", mem);
Lock("r", "n", mem);
waitAre.Set();
var actualValidUntil = await task;
Assert.All(mem, i => Assert.True(i.Contains("r", "n")));
Assert.Equal(_now.Add(Ttl), actualValidUntil);
}
public async Task ExtendWithRepeaterAsync_UnableToObtainLock()
{
var mem = MemInstances(3, (ttl, duration) => ttl);
Lock("r", "n2", mem);
var repeater = new Mock <IRedlockRepeater>(MockBehavior.Strict);
repeater.Setup(x => x.Next()).Returns(false);
var expected = new Exception();
repeater.Setup(x => x.CreateException("r", "n", 1)).Returns(expected);
var l = new Redlock("r", "n", Ttl, _now, mem.ToInstances(), _log);
var actual = await Assert.ThrowsAsync <Exception>(() => l.ExtendAsync(repeater.Object, 600));
Assert.Same(expected, actual);
}
