public void should_invoke_Background_job()
{
var uploadIsInvoked = false;
var sut = new UploadQueue <string>(x => uploadIsInvoked = true);
sut.ActivateSync = true;
sut.Add("hello");
sut.Wait(100);
sut.TaskWasInvoked.Should().BeTrue();
}
public void should_invoke_directly_if_queue_is_empty()
{
var uploadIsInvoked = false;
var directly = false;
var sut = new UploadQueue <string>(x => uploadIsInvoked = true);
sut.ActivateSync = true;
sut.AddIfNotEmpty("hello", () => directly = true);
sut.Wait(100);
directly.Should().BeTrue("because queue is empty");
uploadIsInvoked.Should()
.BeFalse(
"because it should not be invoked if a task is supplied as an argument and the queue was empty.");
}
public void should_not_invoke_Failed_report_if_upload_is_successful()
{
var sut = new UploadQueue <string>(x => { })
{
ActivateSync = true,
RetryInterval = TimeSpan.FromMilliseconds(10),
MaxAttempts = 3
};
var failed = false;
sut.UploadFailed += (sender, args) => failed = true;
sut.Enqueue("hello");
sut.Wait(1000);
failed.Should().BeFalse();
}
public void should_retry_if_upload_fails()
{
int attempts = 0;
var sut = new UploadQueue <string>(x =>
{
attempts++;
throw new NotSupportedException("we need more power");
});
sut.ActivateSync = true;
sut.RetryInterval = TimeSpan.FromMilliseconds(10);
sut.Add("hello");
sut.Wait(1000);
attempts.Should().BeGreaterThan(1);
}
public void should_not_invoke_directly_if_queue_got_items()
{
var uploadIsInvoked = false;
var directly = false;
var sut = new UploadQueue <string>(x =>
{
uploadIsInvoked = true;
Task.Delay(50).Wait();
});
sut.Enqueue("precondition");
sut.ActivateSync = true;
sut.EnqueueIfNotEmpty("hello", () => directly = true);
sut.Wait(10000);
directly.Should().BeFalse("because there is an active worker");
uploadIsInvoked.Should()
.BeTrue(
"because it should be invoked even if a task is supplied as an argument when the queue is not empty");
}
public void should_throw_report_after_max_attempts()
{
int attempts = 0;
var sut = new UploadQueue <string>(x =>
{
attempts++;
throw new NotSupportedException("we need more power");
});
sut.ActivateSync = true;
sut.RetryInterval = TimeSpan.FromMilliseconds(10);
sut.MaxAttempts = 3;
bool failed = false;
sut.UploadFailed += (sender, args) => failed = true;
sut.Add("hello");
sut.Wait(1000);
failed.Should().BeTrue();
}