1 files changed, 89 insertions, 0 deletions
diff --git a/src/test/librbd/io/test_mock_QosImageDispatch.cc b/src/test/librbd/io/test_mock_QosImageDispatch.cc
new file mode 100644
index 000000000..acd3b97c2
--- /dev/null
+++ b/src/test/librbd/io/test_mock_QosImageDispatch.cc
@@ -0,0 +1,89 @@
+// -*- 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