public async Task PollOnceAsync()
{
var client = new FakeOperationsClient();
client.AddSuccessfulOperation("op", client.Clock.GetCurrentDateTimeUtc().AddSeconds(3), new StringValue {
Value = "result"
});
var initial = await Operation <StringValue> .PollOnceFromNameAsync("op", client);
Assert.False(initial.IsCompleted);
client.FakeClock.Advance(TimeSpan.FromSeconds(2));
var polled = await initial.PollOnceAsync();
Assert.False(polled.IsCompleted);
client.FakeClock.Advance(TimeSpan.FromSeconds(2));
polled = await polled.PollOnceAsync();
Assert.True(polled.IsCompleted);
Assert.Equal("result", polled.Result.Value);
Assert.Equal(3, client.RequestCount);
}
public async Task PollUntilCompletedAsync_NullMetadata()
{
var client = new FakeOperationsClient {
GenerateMetadata = false
};
var expectedMetadata = new List <Timestamp> {
null, null, null
};
List <Timestamp> actualMetadata = new List <Timestamp>();
await client.FakeScheduler.RunAsync(async() =>
{
client.AddSuccessfulOperation("op", client.Clock.GetCurrentDateTimeUtc().AddSeconds(3), new StringValue {
Value = "result"
});
var initial = Operation <StringValue, Timestamp> .PollOnceFromNameAsync("op", client).Result;
var settings = new PollSettings(Expiration.FromTimeout(TimeSpan.FromSeconds(5)), TimeSpan.FromSeconds(2));
// Second request at t=0, then at t=2, then another at t=4
var completedOperation = await initial.PollUntilCompletedAsync(settings, metadataCallback: actualMetadata.Add);
Assert.Equal("result", completedOperation.Result.Value);
});
Assert.Equal(4, client.RequestCount);
Assert.Equal(expectedMetadata, actualMetadata);
}