X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Foperation%2Ftest_mock_ResizeRequest.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Foperation%2Ftest_mock_ResizeRequest.cc;h=e67f8a2a8321aefd5832a41acdf626509b0062b3;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/librbd/operation/test_mock_ResizeRequest.cc b/src/ceph/src/test/librbd/operation/test_mock_ResizeRequest.cc
new file mode 100644
index 0000000..e67f8a2
--- /dev/null
+++ b/src/ceph/src/test/librbd/operation/test_mock_ResizeRequest.cc
@@ -0,0 +1,414 @@
+// -*- 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/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "common/bit_vector.hpp"
+#include "librbd/internal.h"
+#include "librbd/ObjectMap.h"
+#include "librbd/operation/ResizeRequest.h"
+#include "librbd/operation/TrimRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace librbd {
+namespace operation {
+
+template <>
+class TrimRequest<MockImageCtx> {
+public:
+  static TrimRequest *s_instance;
+  static TrimRequest *create(MockImageCtx &image_ctx, Context *on_finish,
+                             uint64_t original_size, uint64_t new_size,
+                             ProgressContext &prog_ctx) {
+    assert(s_instance != nullptr);
+    s_instance->on_finish = on_finish;
+    return s_instance;
+  }
+
+  Context *on_finish = nullptr;
+
+  TrimRequest() {
+    s_instance = this;
+  }
+
+  MOCK_METHOD0(send, void());
+};
+
+TrimRequest<MockImageCtx> *TrimRequest<MockImageCtx>::s_instance = nullptr;
+
+} // namespace operation
+} // namespace librbd
+
+// template definitions
+#include "librbd/operation/ResizeRequest.cc"
+#include "librbd/operation/TrimRequest.cc"
+
+namespace librbd {
+namespace operation {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+class TestMockOperationResizeRequest : public TestMockFixture {
+public:
+  typedef ResizeRequest<MockImageCtx> MockResizeRequest;
+  typedef TrimRequest<MockImageCtx> MockTrimRequest;
+
+  void expect_block_writes(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_))
+                  .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_unblock_writes(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes())
+                  .Times(1);
+  }
+
+  void expect_is_lock_owner(MockImageCtx &mock_image_ctx) {
+    if (mock_image_ctx.exclusive_lock != nullptr) {
+      EXPECT_CALL(*mock_image_ctx.exclusive_lock, is_lock_owner())
+                    .WillOnce(Return(true));
+    }
+  }
+
+  void expect_grow_object_map(MockImageCtx &mock_image_ctx) {
+    if (mock_image_ctx.object_map != nullptr) {
+      expect_is_lock_owner(mock_image_ctx);
+      EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
+                    .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+    }
+  }
+
+  void expect_shrink_object_map(MockImageCtx &mock_image_ctx) {
+    if (mock_image_ctx.object_map != nullptr) {
+      expect_is_lock_owner(mock_image_ctx);
+      EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
+                    .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+    }
+  }
+
+  void expect_update_header(MockImageCtx &mock_image_ctx, int r) {
+    if (mock_image_ctx.old_format) {
+      EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                  write(mock_image_ctx.header_oid, _, _, _, _))
+                    .WillOnce(Return(r));
+    } else {
+      expect_is_lock_owner(mock_image_ctx);
+      EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                  exec(mock_image_ctx.header_oid, _, StrEq("rbd"), StrEq("set_size"), _, _, _))
+                    .WillOnce(Return(r));
+    }
+  }
+
+  void expect_trim(MockImageCtx &mock_image_ctx,
+                   MockTrimRequest &mock_trim_request, int r) {
+    EXPECT_CALL(mock_trim_request, send())
+                  .WillOnce(FinishRequest(&mock_trim_request, r, &mock_image_ctx));
+  }
+
+  void expect_flush_cache(MockImageCtx &mock_image_ctx, int r) {
+    if (!mock_image_ctx.image_ctx->cache) {
+      return;
+    }
+    EXPECT_CALL(mock_image_ctx, flush_cache(_))
+                  .WillOnce(CompleteContext(r, static_cast<ContextWQ*>(NULL)));
+    expect_op_work_queue(mock_image_ctx);
+  }
+
+  void expect_invalidate_cache(MockImageCtx &mock_image_ctx, int r) {
+    if (!mock_image_ctx.image_ctx->cache) {
+      return;
+    }
+    EXPECT_CALL(mock_image_ctx, invalidate_cache(false, _))
+                   .WillOnce(WithArg<1>(CompleteContext(r, static_cast<ContextWQ*>(NULL))));
+    expect_op_work_queue(mock_image_ctx);
+  }
+
+  void expect_resize_object_map(MockImageCtx &mock_image_ctx,
+                                uint64_t new_size) {
+    EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(new_size, _, _))
+                  .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+  }
+
+  int when_resize(MockImageCtx &mock_image_ctx, uint64_t new_size,
+                  bool allow_shrink, uint64_t journal_op_tid,
+                  bool disable_journal) {
+    C_SaferCond cond_ctx;
+    librbd::NoOpProgressContext prog_ctx;
+    MockResizeRequest *req = new MockResizeRequest(
+      mock_image_ctx, &cond_ctx, new_size, allow_shrink, prog_ctx,
+      journal_op_tid, disable_journal);
+    {
+      RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
+      req->send();
+    }
+    return cond_ctx.wait();
+  }
+};
+
+TEST_F(TestMockOperationResizeRequest, NoOpSuccess) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+  expect_commit_op_event(mock_image_ctx, 0);
+  ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, GrowSuccess) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+  expect_grow_object_map(mock_image_ctx);
+  expect_block_writes(mock_image_ctx, 0);
+  expect_update_header(mock_image_ctx, 0);
+  expect_unblock_writes(mock_image_ctx);
+  expect_commit_op_event(mock_image_ctx, 0);
+  ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, ShrinkSuccess) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+
+  MockTrimRequest mock_trim_request;
+  expect_flush_cache(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, 0);
+  expect_trim(mock_image_ctx, mock_trim_request, 0);
+  expect_block_writes(mock_image_ctx, 0);
+  expect_update_header(mock_image_ctx, 0);
+  expect_shrink_object_map(mock_image_ctx);
+  expect_unblock_writes(mock_image_ctx);
+  expect_commit_op_event(mock_image_ctx, 0);
+  ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, ShrinkError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, false, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, PreBlockWritesError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, TrimError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+
+  MockTrimRequest mock_trim_request;
+  expect_flush_cache(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, -EBUSY);
+  expect_trim(mock_image_ctx, mock_trim_request, -EINVAL);
+  expect_commit_op_event(mock_image_ctx, -EINVAL);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, FlushCacheError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  REQUIRE(ictx->cache);
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+
+  MockTrimRequest mock_trim_request;
+  expect_flush_cache(mock_image_ctx, -EINVAL);
+  expect_commit_op_event(mock_image_ctx, -EINVAL);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, InvalidateCacheError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  REQUIRE(ictx->cache);
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+
+  MockTrimRequest mock_trim_request;
+  expect_flush_cache(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, -EINVAL);
+  expect_commit_op_event(mock_image_ctx, -EINVAL);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, PostBlockWritesError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+  expect_grow_object_map(mock_image_ctx);
+  expect_block_writes(mock_image_ctx, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+  expect_commit_op_event(mock_image_ctx, -EINVAL);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, UpdateHeaderError) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, 0);
+  expect_unblock_writes(mock_image_ctx);
+  expect_grow_object_map(mock_image_ctx);
+  expect_block_writes(mock_image_ctx, 0);
+  expect_update_header(mock_image_ctx, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+  expect_commit_op_event(mock_image_ctx, -EINVAL);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, JournalAppendError) {
+  REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_append_op_event(mock_image_ctx, true, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+  ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, JournalDisabled) {
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  MockExclusiveLock mock_exclusive_lock;
+  MockJournal mock_journal;
+  MockObjectMap mock_object_map;
+  initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+                      mock_object_map);
+
+  InSequence seq;
+  expect_block_writes(mock_image_ctx, 0);
+  expect_unblock_writes(mock_image_ctx);
+  ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, true));
+}
+
+} // namespace operation
+} // namespace librbd