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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "test/librbd/test_mock_fixture.h"
#include "test/librbd/test_support.h"
#include "test/librbd/mock/MockImageCtx.h"
#include "test/librbd/mock/exclusive_lock/MockPolicy.h"
#include "librbd/io/ImageDispatchSpec.h"
#include "librbd/io/ImageRequestWQ.h"
#include "librbd/io/ImageRequest.h"
namespace librbd {
namespace io {
TEST_F(TestMockIoImageRequestWQ, QosNoLimit) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
MockImageDispatchSpec mock_queued_image_request;
expect_was_throttled(mock_queued_image_request, false);
expect_set_throttled(mock_queued_image_request);
InSequence seq;
MockImageRequestWQ mock_image_request_wq(&mock_image_ctx, "io", 60, nullptr);
mock_image_request_wq.apply_qos_limit(IMAGE_DISPATCH_FLAG_QOS_BPS_THROTTLE, 0,
0, 1);
expect_front(mock_image_request_wq, &mock_queued_image_request);
expect_is_refresh_request(mock_image_ctx, false);
expect_is_write_op(mock_queued_image_request, true);
expect_dequeue(mock_image_request_wq, &mock_queued_image_request);
ASSERT_TRUE(mock_image_request_wq.invoke_dequeue() == &mock_queued_image_request);
}
TEST_F(TestMockIoImageRequestWQ, BPSQosNoBurst) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
MockImageDispatchSpec mock_queued_image_request;
expect_was_throttled(mock_queued_image_request, false);
expect_set_throttled(mock_queued_image_request);
InSequence seq;
MockImageRequestWQ mock_image_request_wq(&mock_image_ctx, "io", 60, nullptr);
mock_image_request_wq.apply_qos_limit(IMAGE_DISPATCH_FLAG_QOS_BPS_THROTTLE, 1,
0, 1);
expect_front(mock_image_request_wq, &mock_queued_image_request);
expect_tokens_requested(mock_queued_image_request, 2, true);
expect_dequeue(mock_image_request_wq, &mock_queued_image_request);
expect_all_throttled(mock_queued_image_request, true);
expect_requeue_back(mock_image_request_wq);
expect_signal(mock_image_request_wq);
ASSERT_TRUE(mock_image_request_wq.invoke_dequeue() == nullptr);
}
TEST_F(TestMockIoImageRequestWQ, BPSQosWithBurst) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
MockImageDispatchSpec mock_queued_image_request;
expect_was_throttled(mock_queued_image_request, false);
expect_set_throttled(mock_queued_image_request);
InSequence seq;
MockImageRequestWQ mock_image_request_wq(&mock_image_ctx, "io", 60, nullptr);
mock_image_request_wq.apply_qos_limit(IMAGE_DISPATCH_FLAG_QOS_BPS_THROTTLE, 1,
1, 1);
expect_front(mock_image_request_wq, &mock_queued_image_request);
expect_tokens_requested(mock_queued_image_request, 2, true);
expect_dequeue(mock_image_request_wq, &mock_queued_image_request);
expect_all_throttled(mock_queued_image_request, true);
expect_requeue_back(mock_image_request_wq);
expect_signal(mock_image_request_wq);
ASSERT_TRUE(mock_image_request_wq.invoke_dequeue() == nullptr);
}
} // namespace io
} // namespace librbd
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