public async Task BackgroundModePollingCanBeDisabledAsync()
{
var mockBackgroundModeManager = new MockBackgroundModeManager();
var backgroundInterval = TimeSpan.FromMilliseconds(50);
var hackyUpdateDelay = TimeSpan.FromMilliseconds(200);
ClearCachedFlags(_user);
await WithServerAsync(async server =>
{
var config = BaseConfig(server, UpdateMode.Streaming, builder => builder
.BackgroundModeManager(mockBackgroundModeManager)
.EnableBackgroundUpdating(false)
.BackgroundPollingInterval(backgroundInterval)
.PersistFlagValues(false));
SetupResponse(server, _flagData1, UpdateMode.Streaming);
using (var client = await TestUtil.CreateClientAsync(config, _user))
{
VerifyFlagValues(client, _flagData1);
// The SDK should *not* hit this polling endpoint, but we're providing some data there so we can
// detect whether it does.
SetupResponse(server, _flagData2, UpdateMode.Polling);
mockBackgroundModeManager.UpdateBackgroundMode(true);
await Task.Delay(hackyUpdateDelay);
VerifyFlagValues(client, _flagData1); // we should *not* have done a poll
var receivedChangeSignal = new SemaphoreSlim(0, 1);
client.FlagChanged += (sender, args) =>
{
receivedChangeSignal.Release();
};
// Now switch back to streaming
SetupResponse(server, _flagData2, UpdateMode.Streaming);
mockBackgroundModeManager.UpdateBackgroundMode(false);
await receivedChangeSignal.WaitAsync();
VerifyFlagValues(client, _flagData2);
}
});
}
public async Task BackgroundModeForcesPollingAsync()
{
var mockBackgroundModeManager = new MockBackgroundModeManager();
var backgroundInterval = TimeSpan.FromMilliseconds(50);
ClearCachedFlags(_user);
await WithServerAsync(async server =>
{
var config = BaseConfig(server, UpdateMode.Streaming, builder => builder
.BackgroundModeManager(mockBackgroundModeManager)
.BackgroundPollingIntervalWithoutMinimum(backgroundInterval)
.PersistFlagValues(false));
SetupResponse(server, _flagData1, UpdateMode.Streaming);
using (var client = await TestUtil.CreateClientAsync(config, _user))
{
VerifyFlagValues(client, _flagData1);
// Set it up so that when the client switches to background mode and does a polling request, it will
// receive _flagData2, and we will be notified of that via a change event. SetupResponse will only
// configure the polling endpoint, so if the client makes a streaming request here it'll fail.
SetupResponse(server, _flagData2, UpdateMode.Polling);
var receivedChangeSignal = new SemaphoreSlim(0, 1);
client.FlagChanged += (sender, args) =>
{
receivedChangeSignal.Release();
};
mockBackgroundModeManager.UpdateBackgroundMode(true);
await receivedChangeSignal.WaitAsync();
VerifyFlagValues(client, _flagData2);
// Now switch back to streaming
SetupResponse(server, _flagData1, UpdateMode.Streaming);
mockBackgroundModeManager.UpdateBackgroundMode(false);
await receivedChangeSignal.WaitAsync();
VerifyFlagValues(client, _flagData1);
}
});
}
