[ceph.git] / ceph / src / test / librbd / object_map / test_mock_SnapshotCreateRequest.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/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "common/bit_vector.hpp"
#include "cls/rbd/cls_rbd_types.h"
#include "librbd/internal.h"
#include "librbd/ObjectMap.h"
#include "librbd/object_map/SnapshotCreateRequest.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace librbd {
namespace object_map {

using ::testing::_;
using ::testing::DoDefault;
using ::testing::Return;
using ::testing::StrEq;

class TestMockObjectMapSnapshotCreateRequest : public TestMockFixture {
public:
  void inject_snap_info(librbd::ImageCtx *ictx, uint64_t snap_id) {
    std::unique_lock image_locker{ictx->image_lock};
    ictx->add_snap(cls::rbd::UserSnapshotNamespace(), "snap name", snap_id,
		   ictx->size, ictx->parent_md,
                   RBD_PROTECTION_STATUS_UNPROTECTED, 0, utime_t());
  }

  void expect_read_map(librbd::ImageCtx *ictx, int r) {
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
                       0, 0, _)).WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
                       0, 0, _)).WillOnce(DoDefault());
    }
  }

  void expect_write_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  write_full(
                    ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
                  .WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  write_full(
                    ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
                  .WillOnce(DoDefault());
    }
  }

  void expect_add_snapshot(librbd::ImageCtx *ictx, int r) {
    std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP));
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
                    .WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
                    .WillOnce(DoDefault());
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_add"), _, _, _))
                    .WillOnce(DoDefault());
    }
  }

  void expect_invalidate(librbd::ImageCtx *ictx) {
    EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, _, _))
                  .WillOnce(DoDefault());
  }
};

TEST_F(TestMockObjectMapSnapshotCreateRequest, Success) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;

  uint64_t snap_id = 1;
  inject_snap_info(ictx, snap_id);
  expect_read_map(ictx, 0);
  expect_write_map(ictx, snap_id, 0);
  if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
    expect_add_snapshot(ictx, 0);
  }

  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotCreateRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotCreateRequest, ReadMapError) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;

  uint64_t snap_id = 1;
  inject_snap_info(ictx, snap_id);
  expect_read_map(ictx, -ENOENT);
  expect_invalidate(ictx);

  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotCreateRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotCreateRequest, WriteMapError) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;

  uint64_t snap_id = 1;
  inject_snap_info(ictx, snap_id);
  expect_read_map(ictx, 0);
  expect_write_map(ictx, snap_id, -EINVAL);
  expect_invalidate(ictx);

  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotCreateRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotCreateRequest, AddSnapshotError) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;

  uint64_t snap_id = 1;
  inject_snap_info(ictx, snap_id);
  expect_read_map(ictx, 0);
  expect_write_map(ictx, snap_id, 0);
  expect_add_snapshot(ictx, -EINVAL);
  expect_invalidate(ictx);

  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotCreateRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotCreateRequest, FlagCleanObjects) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  object_map.resize(1024);
  for (uint64_t i = 0; i < object_map.size(); ++i) {
    object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
  }

  uint64_t snap_id = 1;
  inject_snap_info(ictx, snap_id);

  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotCreateRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  for (uint64_t i = 0; i < object_map.size(); ++i) {
    ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT,
              object_map[i]);
  }
}

} // namespace object_map
} // 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/librados_test_stub/MockTestMemIoCtxImpl.h"
	7	#include "common/bit_vector.hpp"
	8	#include "cls/rbd/cls_rbd_types.h"
	9	#include "librbd/internal.h"
	10	#include "librbd/ObjectMap.h"
	11	#include "librbd/object_map/SnapshotCreateRequest.h"
	12	#include "gmock/gmock.h"
	13	#include "gtest/gtest.h"
	14
	15	namespace librbd {
	16	namespace object_map {
	17
	18	using ::testing::_;
	19	using ::testing::DoDefault;
	20	using ::testing::Return;
	21	using ::testing::StrEq;
	22
	23	class TestMockObjectMapSnapshotCreateRequest : public TestMockFixture {
	24	public:
	25	void inject_snap_info(librbd::ImageCtx *ictx, uint64_t snap_id) {
9f95a23c	26	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	27	ictx->add_snap(cls::rbd::UserSnapshotNamespace(), "snap name", snap_id,
	28	ictx->size, ictx->parent_md,
	29	RBD_PROTECTION_STATUS_UNPROTECTED, 0, utime_t());
	30	}
	31
	32	void expect_read_map(librbd::ImageCtx *ictx, int r) {
	33	if (r < 0) {
	34	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	35	read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
	36	0, 0, _)).WillOnce(Return(r));
	37	} else {
	38	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	39	read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
	40	0, 0, _)).WillOnce(DoDefault());
	41	}
	42	}
	43
	44	void expect_write_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
	45	if (r < 0) {
	46	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	47	write_full(
	48	ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
	49	.WillOnce(Return(r));
	50	} else {
	51	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	52	write_full(
	53	ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
	54	.WillOnce(DoDefault());
	55	}
	56	}
	57
	58	void expect_add_snapshot(librbd::ImageCtx *ictx, int r) {
	59	std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP));
	60	if (r < 0) {
	61	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	62	exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
	63	.WillOnce(Return(r));
	64	} else {
	65	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	66	exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
	67	.WillOnce(DoDefault());
	68	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	69	exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_add"), _, _, _))
	70	.WillOnce(DoDefault());
	71	}
	72	}
	73
	74	void expect_invalidate(librbd::ImageCtx *ictx) {
	75	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
	76	exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, _, _))
	77	.WillOnce(DoDefault());
	78	}
	79	};
	80
	81	TEST_F(TestMockObjectMapSnapshotCreateRequest, Success) {
	82	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	83
	84	librbd::ImageCtx *ictx;
	85	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	86	ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
	87
9f95a23c	88	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	89	ceph::BitVector<2> object_map;
	90
	91	uint64_t snap_id = 1;
	92	inject_snap_info(ictx, snap_id);
	93	expect_read_map(ictx, 0);
	94	expect_write_map(ictx, snap_id, 0);
	95	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
	96	expect_add_snapshot(ictx, 0);
	97	}
	98
	99	C_SaferCond cond_ctx;
	100	AsyncRequest<> *request = new SnapshotCreateRequest(
9f95a23c	101	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	102	{
9f95a23c	103	std::shared_lock image_locker{ictx->image_lock};
7c673cae FG	104	request->send();
	105	}
	106	ASSERT_EQ(0, cond_ctx.wait());
	107
	108	expect_unlock_exclusive_lock(*ictx);
	109	}
	110
	111	TEST_F(TestMockObjectMapSnapshotCreateRequest, ReadMapError) {
	112	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	113
	114	librbd::ImageCtx *ictx;
	115	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	116	ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
	117
9f95a23c	118	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	119	ceph::BitVector<2> object_map;
	120
	121	uint64_t snap_id = 1;
	122	inject_snap_info(ictx, snap_id);
	123	expect_read_map(ictx, -ENOENT);
	124	expect_invalidate(ictx);
	125
	126	C_SaferCond cond_ctx;
	127	AsyncRequest<> *request = new SnapshotCreateRequest(
9f95a23c	128	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	129	{
9f95a23c	130	std::shared_lock image_locker{ictx->image_lock};
7c673cae FG	131	request->send();
	132	}
	133	ASSERT_EQ(0, cond_ctx.wait());
	134
	135	expect_unlock_exclusive_lock(*ictx);
	136	}
	137
	138	TEST_F(TestMockObjectMapSnapshotCreateRequest, WriteMapError) {
	139	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	140
	141	librbd::ImageCtx *ictx;
	142	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	143	ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
	144
9f95a23c	145	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	146	ceph::BitVector<2> object_map;
	147
	148	uint64_t snap_id = 1;
	149	inject_snap_info(ictx, snap_id);
	150	expect_read_map(ictx, 0);
	151	expect_write_map(ictx, snap_id, -EINVAL);
	152	expect_invalidate(ictx);
	153
	154	C_SaferCond cond_ctx;
	155	AsyncRequest<> *request = new SnapshotCreateRequest(
9f95a23c	156	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	157	{
9f95a23c	158	std::shared_lock image_locker{ictx->image_lock};
7c673cae FG	159	request->send();
	160	}
	161	ASSERT_EQ(0, cond_ctx.wait());
	162
	163	expect_unlock_exclusive_lock(*ictx);
	164	}
	165
	166	TEST_F(TestMockObjectMapSnapshotCreateRequest, AddSnapshotError) {
	167	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	168
	169	librbd::ImageCtx *ictx;
	170	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	171	ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
	172
9f95a23c	173	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	174	ceph::BitVector<2> object_map;
	175
	176	uint64_t snap_id = 1;
	177	inject_snap_info(ictx, snap_id);
	178	expect_read_map(ictx, 0);
	179	expect_write_map(ictx, snap_id, 0);
	180	expect_add_snapshot(ictx, -EINVAL);
	181	expect_invalidate(ictx);
	182
	183	C_SaferCond cond_ctx;
	184	AsyncRequest<> *request = new SnapshotCreateRequest(
9f95a23c	185	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	186	{
9f95a23c	187	std::shared_lock image_locker{ictx->image_lock};
7c673cae FG	188	request->send();
	189	}
	190	ASSERT_EQ(0, cond_ctx.wait());
	191
	192	expect_unlock_exclusive_lock(*ictx);
	193	}
	194
	195	TEST_F(TestMockObjectMapSnapshotCreateRequest, FlagCleanObjects) {
	196	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	197
	198	librbd::ImageCtx *ictx;
	199	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	200	ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
	201
9f95a23c	202	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	203	ceph::BitVector<2> object_map;
	204	object_map.resize(1024);
	205	for (uint64_t i = 0; i < object_map.size(); ++i) {
	206	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
	207	}
	208
	209	uint64_t snap_id = 1;
	210	inject_snap_info(ictx, snap_id);
	211
	212	C_SaferCond cond_ctx;
	213	AsyncRequest<> *request = new SnapshotCreateRequest(
9f95a23c	214	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	215	{
9f95a23c	216	std::shared_lock image_locker{ictx->image_lock};
7c673cae FG	217	request->send();
	218	}
	219	ASSERT_EQ(0, cond_ctx.wait());
	220
	221	for (uint64_t i = 0; i < object_map.size(); ++i) {
	222	ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT,
	223	object_map[i]);
	224	}
	225	}
	226
	227	} // namespace object_map
	228	} // namespace librbd