public async Task ItAllowsForRecurringTaskCrontabSchedulesToBeChanged()
{
var taskName = Guid.NewGuid().ToString();
Func <string, TaskScheduler, Task> configureSchedulerAction = async(semaphoreFile, taskScheduler) =>
{
var crontab = $"*/{IntervalSeconds} * * * * *";
TaskSchedulerTestHelpers.SynchronizeToCrontabNextStart(crontab);
Thread.Sleep(10);
await taskScheduler.AddRecurringTask(() => TaskQueueTestFixture.WriteSemaphore(semaphoreFile),
crontab, taskName);
};
Func <string, TaskScheduler, Task> reconfigureRecurringTaskIntervalAction = async(semaphoreFile, taskScheduler) =>
{
// Must synchronize to next start time or test becomes flaky
var newCrontab = $"*/{IntervalSeconds*2} * * * * *";
TaskSchedulerTestHelpers.SynchronizeToCrontabNextStart(newCrontab);
Thread.Sleep(10);
await taskScheduler.AddRecurringTask(() => TaskQueueTestFixture.WriteSemaphore(semaphoreFile),
newCrontab, taskName);
};
await TaskSchedulerTestHelpers.AssertTaskSchedulerWritesSemaphoreTwiceAfterReconfiguringInterval(
IntervalSeconds,
configureSchedulerAction,
reconfigureRecurringTaskIntervalAction);
}
public async Task ItExecutesARecurringTaskAtTheSpecifiedCrontabInterval()
{
Func <string, TaskScheduler, Task> configureSchedulerAction = async(semaphoreFile, taskScheduler) =>
{
var crontab = $"*/{IntervalSeconds} * * * * *";
TaskSchedulerTestHelpers.SynchronizeToCrontabNextStart(crontab);
Thread.Sleep(10);
await taskScheduler.AddRecurringTask(() => TaskQueueTestFixture.WriteSemaphore(semaphoreFile),
crontab, RandomTaskName);
};
await TaskSchedulerTestHelpers.AssertTaskSchedulerWritesSemaphoreTwice(IntervalSeconds,
configureSchedulerAction);
}