public async Task StartAsync_WithTestLockManager_TaskIsExecuted()
{
bool executed = false;
var service = new TestDistributedBackgroundService(_ =>
{
executed = true;
return(Task.CompletedTask);
}, new TestLockManager());
await service.StartAsync(CancellationToken.None);
AsyncTestingUtil.Wait(() => executed);
executed.Should().BeTrue();
}
public async Task StartAsync_WithDbLockManager_OnlyOneTaskIsExecutedSimultaneously()
{
bool executed1 = false;
bool executed2 = false;
var service1 = new TestDistributedBackgroundService(
async stoppingToken =>
{
executed1 = true;
while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(10, stoppingToken);
}
},
_serviceProvider.GetRequiredService <DbDistributedLockManager>());
await service1.StartAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed1);
var service2 = new TestDistributedBackgroundService(
_ =>
{
executed2 = true;
return(Task.CompletedTask);
},
_serviceProvider.GetRequiredService <DbDistributedLockManager>());
await service2.StartAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed2, TimeSpan.FromMilliseconds(100));
executed1.Should().BeTrue();
executed2.Should().BeFalse();
await service1.StopAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed2);
executed2.Should().BeTrue();
}
public async Task StartAsync_WithTestLockManager_OnlyOneTaskIsExecutedSimultaneously()
{
var lockManager = new TestLockManager();
bool executed1 = false;
bool executed2 = false;
var service1 = new TestDistributedBackgroundService(async stoppingToken =>
{
executed1 = true;
while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(10, stoppingToken);
}
}, lockManager);
await service1.StartAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed1);
var service2 = new TestDistributedBackgroundService(_ =>
{
executed2 = true;
return(Task.CompletedTask);
}, lockManager);
await service2.StartAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed2, 100);
executed1.Should().BeTrue();
executed2.Should().BeFalse();
await service1.StopAsync(CancellationToken.None);
await AsyncTestingUtil.WaitAsync(() => executed2);
executed2.Should().BeTrue();
}