[ceph.git] / ceph / src / test / librbd / operation / test_mock_ResizeRequest.cc

// -*- 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/io/MockObjectDispatch.h"
#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "common/bit_vector.hpp"
#include "librbd/internal.h"
#include "librbd/ObjectMap.h"
#include "librbd/io/ImageDispatchSpec.h"
#include "librbd/operation/ResizeRequest.h"
#include "librbd/operation/TrimRequest.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace librbd {

namespace util {

inline ImageCtx* get_image_ctx(MockImageCtx* image_ctx) {
  return image_ctx->image_ctx;
}

} // namespace util

namespace io {

template <>
struct ImageDispatchSpec<MockImageCtx> {
  static ImageDispatchSpec* s_instance;
  AioCompletion *aio_comp = nullptr;

  static ImageDispatchSpec* create_flush_request(
      MockImageCtx &image_ctx, AioCompletion *aio_comp,
      FlushSource flush_source, const ZTracer::Trace &parent_trace) {
    ceph_assert(s_instance != nullptr);
    s_instance->aio_comp = aio_comp;
    return s_instance;
  }

  MOCK_CONST_METHOD0(send, void());

  ImageDispatchSpec() {
    s_instance = this;
  }
};

ImageDispatchSpec<MockImageCtx>* ImageDispatchSpec<MockImageCtx>::s_instance = nullptr;

} // namespace io

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) {
    ceph_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"

namespace librbd {
namespace operation {

using ::testing::_;
using ::testing::DoAll;
using ::testing::Invoke;
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;
  typedef io::ImageDispatchSpec<MockImageCtx> MockIoImageDispatchSpec;

  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,
                          MockIoImageDispatchSpec& mock_io_image_dispatch_spec,
                          int r) {
    EXPECT_CALL(mock_io_image_dispatch_spec, send())
      .WillOnce(Invoke([&mock_image_ctx, &mock_io_image_dispatch_spec, r]() {
                  auto aio_comp = mock_io_image_dispatch_spec.s_instance->aio_comp;
                  auto ctx = new FunctionContext([aio_comp](int r) {
                    aio_comp->get();
                    aio_comp->fail(r);
                  });
                  mock_image_ctx.image_ctx->op_work_queue->queue(ctx, r);
                }));
  }

  void expect_invalidate_cache(MockImageCtx &mock_image_ctx,
                               int r) {
    EXPECT_CALL(*mock_image_ctx.io_object_dispatcher, invalidate_cache(_))
                   .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
    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_grow_object_map(mock_image_ctx);
  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;
  auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
  expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 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;
  auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
  expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 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;
  auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
  expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, -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;
  auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
  expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 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);

  MockTrimRequest mock_trim_request;
  auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
  expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 0);
  expect_invalidate_cache(mock_image_ctx, 0);
  expect_trim(mock_image_ctx, mock_trim_request, 0);
  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_grow_object_map(mock_image_ctx);
  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
Commit	Line	Data
7c673cae FG	1	// -- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t --
	2	// vim: ts=8 sw=2 smarttab
	3
	4	#include "test/librbd/test_mock_fixture.h"
	5	#include "test/librbd/test_support.h"
	6	#include "test/librbd/mock/MockImageCtx.h"
11fdf7f2	7	#include "test/librbd/mock/io/MockObjectDispatch.h"
7c673cae FG	8	#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
	9	#include "common/bit_vector.hpp"
	10	#include "librbd/internal.h"
	11	#include "librbd/ObjectMap.h"
11fdf7f2	12	#include "librbd/io/ImageDispatchSpec.h"
7c673cae FG	13	#include "librbd/operation/ResizeRequest.h"
	14	#include "librbd/operation/TrimRequest.h"
	15	#include "gmock/gmock.h"
	16	#include "gtest/gtest.h"
	17
	18	namespace librbd {
11fdf7f2 TL	19
	20	namespace util {
	21
	22	inline ImageCtx* get_image_ctx(MockImageCtx* image_ctx) {
	23	return image_ctx->image_ctx;
	24	}
	25
	26	} // namespace util
	27
	28	namespace io {
	29
	30	template <>
	31	struct ImageDispatchSpec<MockImageCtx> {
	32	static ImageDispatchSpec* s_instance;
	33	AioCompletion *aio_comp = nullptr;
	34
	35	static ImageDispatchSpec* create_flush_request(
	36	MockImageCtx &image_ctx, AioCompletion *aio_comp,
	37	FlushSource flush_source, const ZTracer::Trace &parent_trace) {
	38	ceph_assert(s_instance != nullptr);
	39	s_instance->aio_comp = aio_comp;
	40	return s_instance;
	41	}
	42
	43	MOCK_CONST_METHOD0(send, void());
	44
	45	ImageDispatchSpec() {
	46	s_instance = this;
	47	}
	48	};
	49
	50	ImageDispatchSpec<MockImageCtx>* ImageDispatchSpec<MockImageCtx>::s_instance = nullptr;
	51
	52	} // namespace io
	53
7c673cae FG	54	namespace operation {
	55
	56	template <>
	57	class TrimRequest<MockImageCtx> {
	58	public:
	59	static TrimRequest *s_instance;
	60	static TrimRequest create(MockImageCtx &image_ctx, Context on_finish,
	61	uint64_t original_size, uint64_t new_size,
	62	ProgressContext &prog_ctx) {
11fdf7f2	63	ceph_assert(s_instance != nullptr);
7c673cae FG	64	s_instance->on_finish = on_finish;
	65	return s_instance;
	66	}
	67
	68	Context *on_finish = nullptr;
	69
	70	TrimRequest() {
	71	s_instance = this;
	72	}
	73
	74	MOCK_METHOD0(send, void());
	75	};
	76
	77	TrimRequest<MockImageCtx> *TrimRequest<MockImageCtx>::s_instance = nullptr;
	78
	79	} // namespace operation
	80	} // namespace librbd
	81
	82	// template definitions
	83	#include "librbd/operation/ResizeRequest.cc"
7c673cae FG	84
	85	namespace librbd {
	86	namespace operation {
	87
	88	using ::testing::_;
	89	using ::testing::DoAll;
11fdf7f2	90	using ::testing::Invoke;
7c673cae FG	91	using ::testing::InSequence;
	92	using ::testing::Return;
	93	using ::testing::StrEq;
	94	using ::testing::WithArg;
	95
	96	class TestMockOperationResizeRequest : public TestMockFixture {
	97	public:
	98	typedef ResizeRequest<MockImageCtx> MockResizeRequest;
	99	typedef TrimRequest<MockImageCtx> MockTrimRequest;
11fdf7f2	100	typedef io::ImageDispatchSpec<MockImageCtx> MockIoImageDispatchSpec;
7c673cae FG	101
	102	void expect_block_writes(MockImageCtx &mock_image_ctx, int r) {
	103	EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_))
	104	.WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
	105	}
	106
	107	void expect_unblock_writes(MockImageCtx &mock_image_ctx) {
	108	EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes())
	109	.Times(1);
	110	}
	111
	112	void expect_is_lock_owner(MockImageCtx &mock_image_ctx) {
	113	if (mock_image_ctx.exclusive_lock != nullptr) {
	114	EXPECT_CALL(*mock_image_ctx.exclusive_lock, is_lock_owner())
	115	.WillOnce(Return(true));
	116	}
	117	}
	118
	119	void expect_grow_object_map(MockImageCtx &mock_image_ctx) {
	120	if (mock_image_ctx.object_map != nullptr) {
	121	expect_is_lock_owner(mock_image_ctx);
	122	EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
	123	.WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
	124	}
	125	}
	126
	127	void expect_shrink_object_map(MockImageCtx &mock_image_ctx) {
	128	if (mock_image_ctx.object_map != nullptr) {
	129	expect_is_lock_owner(mock_image_ctx);
	130	EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
	131	.WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
	132	}
	133	}
	134
	135	void expect_update_header(MockImageCtx &mock_image_ctx, int r) {
	136	if (mock_image_ctx.old_format) {
	137	EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
	138	write(mock_image_ctx.header_oid, _, _, _, _))
	139	.WillOnce(Return(r));
	140	} else {
	141	expect_is_lock_owner(mock_image_ctx);
	142	EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
	143	exec(mock_image_ctx.header_oid, _, StrEq("rbd"), StrEq("set_size"), _, _, _))
	144	.WillOnce(Return(r));
	145	}
	146	}
	147
	148	void expect_trim(MockImageCtx &mock_image_ctx,
	149	MockTrimRequest &mock_trim_request, int r) {
	150	EXPECT_CALL(mock_trim_request, send())
	151	.WillOnce(FinishRequest(&mock_trim_request, r, &mock_image_ctx));
	152	}
	153
11fdf7f2 TL	154	void expect_flush_cache(MockImageCtx &mock_image_ctx,
	155	MockIoImageDispatchSpec& mock_io_image_dispatch_spec,
	156	int r) {
	157	EXPECT_CALL(mock_io_image_dispatch_spec, send())
	158	.WillOnce(Invoke([&mock_image_ctx, &mock_io_image_dispatch_spec, r]() {
	159	auto aio_comp = mock_io_image_dispatch_spec.s_instance->aio_comp;
	160	auto ctx = new FunctionContext([aio_comp](int r) {
	161	aio_comp->get();
	162	aio_comp->fail(r);
	163	});
	164	mock_image_ctx.image_ctx->op_work_queue->queue(ctx, r);
	165	}));
7c673cae FG	166	}
7c673cae FG	167
11fdf7f2 TL	168	void expect_invalidate_cache(MockImageCtx &mock_image_ctx,
	169	int r) {
	170	EXPECT_CALL(*mock_image_ctx.io_object_dispatcher, invalidate_cache(_))
	171	.WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
7c673cae FG	172	expect_op_work_queue(mock_image_ctx);
	173	}
	174
	175	void expect_resize_object_map(MockImageCtx &mock_image_ctx,
	176	uint64_t new_size) {
	177	EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(new_size, _, _))
	178	.WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
	179	}
	180
	181	int when_resize(MockImageCtx &mock_image_ctx, uint64_t new_size,
	182	bool allow_shrink, uint64_t journal_op_tid,
	183	bool disable_journal) {
	184	C_SaferCond cond_ctx;
	185	librbd::NoOpProgressContext prog_ctx;
	186	MockResizeRequest *req = new MockResizeRequest(
	187	mock_image_ctx, &cond_ctx, new_size, allow_shrink, prog_ctx,
	188	journal_op_tid, disable_journal);
	189	{
	190	RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
	191	req->send();
	192	}
	193	return cond_ctx.wait();
	194	}
	195	};
	196
	197	TEST_F(TestMockOperationResizeRequest, NoOpSuccess) {
	198	librbd::ImageCtx *ictx;
	199	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	200
	201	MockImageCtx mock_image_ctx(*ictx);
	202	MockExclusiveLock mock_exclusive_lock;
	203	MockJournal mock_journal;
	204	MockObjectMap mock_object_map;
	205	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	206	mock_object_map);
	207
	208	InSequence seq;
	209	expect_block_writes(mock_image_ctx, 0);
	210	expect_append_op_event(mock_image_ctx, true, 0);
	211	expect_unblock_writes(mock_image_ctx);
	212	expect_commit_op_event(mock_image_ctx, 0);
	213	ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, false));
	214	}
	215
	216	TEST_F(TestMockOperationResizeRequest, GrowSuccess) {
	217	librbd::ImageCtx *ictx;
	218	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	219
	220	MockImageCtx mock_image_ctx(*ictx);
	221	MockExclusiveLock mock_exclusive_lock;
	222	MockJournal mock_journal;
	223	MockObjectMap mock_object_map;
	224	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	225	mock_object_map);
	226
	227	InSequence seq;
	228	expect_block_writes(mock_image_ctx, 0);
	229	expect_append_op_event(mock_image_ctx, true, 0);
7c673cae	230	expect_grow_object_map(mock_image_ctx);
7c673cae FG	231	expect_update_header(mock_image_ctx, 0);
	232	expect_unblock_writes(mock_image_ctx);
	233	expect_commit_op_event(mock_image_ctx, 0);
	234	ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
	235	}
	236
	237	TEST_F(TestMockOperationResizeRequest, ShrinkSuccess) {
	238	librbd::ImageCtx *ictx;
	239	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	240
	241	MockImageCtx mock_image_ctx(*ictx);
	242	MockExclusiveLock mock_exclusive_lock;
	243	MockJournal mock_journal;
	244	MockObjectMap mock_object_map;
	245	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	246	mock_object_map);
	247
	248	InSequence seq;
	249	expect_block_writes(mock_image_ctx, 0);
	250	expect_append_op_event(mock_image_ctx, true, 0);
	251	expect_unblock_writes(mock_image_ctx);
	252
	253	MockTrimRequest mock_trim_request;
11fdf7f2 TL	254	auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
11fdf7f2 TL	255	expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 0);
7c673cae FG	256	expect_invalidate_cache(mock_image_ctx, 0);
	257	expect_trim(mock_image_ctx, mock_trim_request, 0);
	258	expect_block_writes(mock_image_ctx, 0);
	259	expect_update_header(mock_image_ctx, 0);
	260	expect_shrink_object_map(mock_image_ctx);
	261	expect_unblock_writes(mock_image_ctx);
	262	expect_commit_op_event(mock_image_ctx, 0);
	263	ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
	264	}
	265
	266	TEST_F(TestMockOperationResizeRequest, ShrinkError) {
	267	librbd::ImageCtx *ictx;
	268	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	269
	270	MockImageCtx mock_image_ctx(*ictx);
	271	MockExclusiveLock mock_exclusive_lock;
	272	MockJournal mock_journal;
	273	MockObjectMap mock_object_map;
	274	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	275	mock_object_map);
	276
	277	InSequence seq;
	278	expect_block_writes(mock_image_ctx, -EINVAL);
	279	expect_unblock_writes(mock_image_ctx);
	280	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, false, 0, false));
	281	}
	282
	283	TEST_F(TestMockOperationResizeRequest, PreBlockWritesError) {
	284	librbd::ImageCtx *ictx;
	285	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	286
	287	MockImageCtx mock_image_ctx(*ictx);
	288	MockExclusiveLock mock_exclusive_lock;
	289	MockJournal mock_journal;
	290	MockObjectMap mock_object_map;
	291	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	292	mock_object_map);
	293
	294	InSequence seq;
	295	expect_block_writes(mock_image_ctx, -EINVAL);
	296	expect_unblock_writes(mock_image_ctx);
	297	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
	298	}
	299
	300	TEST_F(TestMockOperationResizeRequest, TrimError) {
	301	librbd::ImageCtx *ictx;
	302	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	303
	304	MockImageCtx mock_image_ctx(*ictx);
	305	MockExclusiveLock mock_exclusive_lock;
	306	MockJournal mock_journal;
	307	MockObjectMap mock_object_map;
	308	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	309	mock_object_map);
	310
	311	InSequence seq;
	312	expect_block_writes(mock_image_ctx, 0);
	313	expect_append_op_event(mock_image_ctx, true, 0);
	314	expect_unblock_writes(mock_image_ctx);
	315
	316	MockTrimRequest mock_trim_request;
11fdf7f2 TL	317	auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
11fdf7f2 TL	318	expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 0);
7c673cae FG	319	expect_invalidate_cache(mock_image_ctx, -EBUSY);
	320	expect_trim(mock_image_ctx, mock_trim_request, -EINVAL);
	321	expect_commit_op_event(mock_image_ctx, -EINVAL);
	322	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
	323	}
	324
	325	TEST_F(TestMockOperationResizeRequest, FlushCacheError) {
	326	librbd::ImageCtx *ictx;
	327	ASSERT_EQ(0, open_image(m_image_name, &ictx));
31f18b77	328	REQUIRE(ictx->cache);
7c673cae FG	329
	330	MockImageCtx mock_image_ctx(*ictx);
	331	MockExclusiveLock mock_exclusive_lock;
	332	MockJournal mock_journal;
	333	MockObjectMap mock_object_map;
	334	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	335	mock_object_map);
	336
	337	InSequence seq;
	338	expect_block_writes(mock_image_ctx, 0);
	339	expect_append_op_event(mock_image_ctx, true, 0);
	340	expect_unblock_writes(mock_image_ctx);
	341
	342	MockTrimRequest mock_trim_request;
11fdf7f2 TL	343	auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
11fdf7f2 TL	344	expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, -EINVAL);
7c673cae FG	345	expect_commit_op_event(mock_image_ctx, -EINVAL);
	346	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
	347	}
	348
	349	TEST_F(TestMockOperationResizeRequest, InvalidateCacheError) {
	350	librbd::ImageCtx *ictx;
	351	ASSERT_EQ(0, open_image(m_image_name, &ictx));
31f18b77	352	REQUIRE(ictx->cache);
7c673cae FG	353
	354	MockImageCtx mock_image_ctx(*ictx);
	355	MockExclusiveLock mock_exclusive_lock;
	356	MockJournal mock_journal;
	357	MockObjectMap mock_object_map;
	358	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	359	mock_object_map);
	360
	361	InSequence seq;
	362	expect_block_writes(mock_image_ctx, 0);
	363	expect_append_op_event(mock_image_ctx, true, 0);
	364	expect_unblock_writes(mock_image_ctx);
	365
	366	MockTrimRequest mock_trim_request;
11fdf7f2 TL	367	auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
11fdf7f2 TL	368	expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 0);
7c673cae FG	369	expect_invalidate_cache(mock_image_ctx, -EINVAL);
	370	expect_commit_op_event(mock_image_ctx, -EINVAL);
	371	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
	372	}
	373
	374	TEST_F(TestMockOperationResizeRequest, PostBlockWritesError) {
	375	librbd::ImageCtx *ictx;
	376	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	377
	378	MockImageCtx mock_image_ctx(*ictx);
	379	MockExclusiveLock mock_exclusive_lock;
	380	MockJournal mock_journal;
	381	MockObjectMap mock_object_map;
	382	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	383	mock_object_map);
	384
	385	InSequence seq;
	386	expect_block_writes(mock_image_ctx, 0);
	387	expect_append_op_event(mock_image_ctx, true, 0);
	388	expect_unblock_writes(mock_image_ctx);
494da23a TL	389
	390	MockTrimRequest mock_trim_request;
	391	auto mock_io_image_dispatch_spec = new MockIoImageDispatchSpec();
	392	expect_flush_cache(mock_image_ctx, *mock_io_image_dispatch_spec, 0);
	393	expect_invalidate_cache(mock_image_ctx, 0);
	394	expect_trim(mock_image_ctx, mock_trim_request, 0);
7c673cae FG	395	expect_block_writes(mock_image_ctx, -EINVAL);
	396	expect_unblock_writes(mock_image_ctx);
	397	expect_commit_op_event(mock_image_ctx, -EINVAL);
494da23a TL	398	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0,
494da23a TL	399	false));
7c673cae FG	400	}
	401
	402	TEST_F(TestMockOperationResizeRequest, UpdateHeaderError) {
	403	librbd::ImageCtx *ictx;
	404	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	405
	406	MockImageCtx mock_image_ctx(*ictx);
	407	MockExclusiveLock mock_exclusive_lock;
	408	MockJournal mock_journal;
	409	MockObjectMap mock_object_map;
	410	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	411	mock_object_map);
	412
	413	InSequence seq;
	414	expect_block_writes(mock_image_ctx, 0);
	415	expect_append_op_event(mock_image_ctx, true, 0);
7c673cae	416	expect_grow_object_map(mock_image_ctx);
7c673cae FG	417	expect_update_header(mock_image_ctx, -EINVAL);
	418	expect_unblock_writes(mock_image_ctx);
	419	expect_commit_op_event(mock_image_ctx, -EINVAL);
	420	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
	421	}
	422
	423	TEST_F(TestMockOperationResizeRequest, JournalAppendError) {
	424	REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
	425
	426	librbd::ImageCtx *ictx;
	427	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	428
	429	MockImageCtx mock_image_ctx(*ictx);
	430	MockExclusiveLock mock_exclusive_lock;
	431	MockJournal mock_journal;
	432	MockObjectMap mock_object_map;
	433	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	434	mock_object_map);
	435
	436	InSequence seq;
	437	expect_block_writes(mock_image_ctx, 0);
	438	expect_append_op_event(mock_image_ctx, true, -EINVAL);
	439	expect_unblock_writes(mock_image_ctx);
	440	ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
	441	}
	442
	443	TEST_F(TestMockOperationResizeRequest, JournalDisabled) {
	444	librbd::ImageCtx *ictx;
	445	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	446
	447	MockImageCtx mock_image_ctx(*ictx);
	448	MockExclusiveLock mock_exclusive_lock;
	449	MockJournal mock_journal;
	450	MockObjectMap mock_object_map;
	451	initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
	452	mock_object_map);
	453
	454	InSequence seq;
	455	expect_block_writes(mock_image_ctx, 0);
	456	expect_unblock_writes(mock_image_ctx);
	457	ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, true));
	458	}
	459
	460	} // namespace operation
	461	} // namespace librbd