1 /*- 2 * Copyright (c) 2012, 2013, 2014 Spectra Logic Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * substantially similar to the "NO WARRANTY" disclaimer below 13 * ("Disclaimer") and any redistribution must be conditioned upon 14 * including a substantially similar Disclaimer requirement for further 15 * binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGES. 29 * 30 * Authors: Alan Somers (Spectra Logic Corporation) 31 */ 32 #include <sys/cdefs.h> 33 #include <sys/byteorder.h> 34 35 #include <stdarg.h> 36 #include <syslog.h> 37 38 #include <libnvpair.h> 39 #include <libzfs.h> 40 41 #include <list> 42 #include <map> 43 #include <sstream> 44 #include <string> 45 46 #include <gmock/gmock.h> 47 #include <gtest/gtest.h> 48 49 #include <devdctl/guid.h> 50 #include <devdctl/event.h> 51 #include <devdctl/event_factory.h> 52 #include <devdctl/exception.h> 53 #include <devdctl/consumer.h> 54 55 #include <zfsd/callout.h> 56 #include <zfsd/vdev_iterator.h> 57 #include <zfsd/zfsd_event.h> 58 #include <zfsd/case_file.h> 59 #include <zfsd/vdev.h> 60 #include <zfsd/zfsd.h> 61 #include <zfsd/zfsd_exception.h> 62 #include <zfsd/zpool_list.h> 63 64 #include "libmocks.h" 65 /*================================== Macros ==================================*/ 66 #define NUM_ELEMENTS(x) (sizeof(x) / sizeof(*x)) 67 68 /*============================ Namespace Control =============================*/ 69 using std::string; 70 using std::stringstream; 71 72 using DevdCtl::Event; 73 using DevdCtl::EventFactory; 74 using DevdCtl::EventList; 75 using DevdCtl::Guid; 76 using DevdCtl::NVPairMap; 77 78 /* redefine zpool_handle here because libzfs_impl.h is not includable */ 79 struct zpool_handle 80 { 81 libzfs_handle_t *zpool_hdl; 82 zpool_handle_t *zpool_next; 83 char zpool_name[ZFS_MAX_DATASET_NAME_LEN]; 84 int zpool_state; 85 size_t zpool_config_size; 86 nvlist_t *zpool_config; 87 nvlist_t *zpool_old_config; 88 nvlist_t *zpool_props; 89 diskaddr_t zpool_start_block; 90 }; 91 92 class MockZfsEvent : public ZfsEvent 93 { 94 public: 95 MockZfsEvent(Event::Type, NVPairMap&, const string&); 96 virtual ~MockZfsEvent() {} 97 98 static BuildMethod MockZfsEventBuilder; 99 100 MOCK_CONST_METHOD0(ProcessPoolEvent, void()); 101 102 static EventFactory::Record s_buildRecords[]; 103 }; 104 105 EventFactory::Record MockZfsEvent::s_buildRecords[] = 106 { 107 { Event::NOTIFY, "ZFS", &MockZfsEvent::MockZfsEventBuilder } 108 }; 109 110 MockZfsEvent::MockZfsEvent(Event::Type type, NVPairMap& map, 111 const string& str) 112 : ZfsEvent(type, map, str) 113 { 114 } 115 116 Event * 117 MockZfsEvent::MockZfsEventBuilder(Event::Type type, 118 NVPairMap &nvpairs, 119 const string &eventString) 120 { 121 return (new MockZfsEvent(type, nvpairs, eventString)); 122 } 123 124 /* 125 * A dummy Vdev class used for testing other classes 126 */ 127 class MockVdev : public Vdev 128 { 129 public: 130 MockVdev(nvlist_t *vdevConfig); 131 virtual ~MockVdev() {} 132 133 MOCK_CONST_METHOD0(GUID, Guid()); 134 MOCK_CONST_METHOD0(PoolGUID, Guid()); 135 MOCK_CONST_METHOD0(State, vdev_state()); 136 MOCK_CONST_METHOD0(PhysicalPath, string()); 137 }; 138 139 MockVdev::MockVdev(nvlist_t *vdevConfig) 140 : Vdev(vdevConfig) 141 { 142 } 143 144 /* 145 * A CaseFile class with side effects removed, for testing 146 */ 147 class TestableCaseFile : public CaseFile 148 { 149 public: 150 static TestableCaseFile &Create(Vdev &vdev); 151 TestableCaseFile(Vdev &vdev); 152 virtual ~TestableCaseFile() {} 153 154 MOCK_METHOD0(Close, void()); 155 MOCK_METHOD1(RegisterCallout, void(const Event &event)); 156 MOCK_METHOD0(RefreshVdevState, bool()); 157 MOCK_METHOD1(ReEvaluate, bool(const ZfsEvent &event)); 158 159 bool RealReEvaluate(const ZfsEvent &event) 160 { 161 return (CaseFile::ReEvaluate(event)); 162 } 163 164 /* 165 * This splices the event lists, a procedure that would normally be done 166 * by OnGracePeriodEnded, but we don't necessarily call that in the 167 * unit tests 168 */ 169 void SpliceEvents(); 170 171 /* 172 * Used by some of our expectations. CaseFile does not publicize this 173 */ 174 static int getActiveCases() 175 { 176 return (s_activeCases.size()); 177 } 178 }; 179 180 TestableCaseFile::TestableCaseFile(Vdev &vdev) 181 : CaseFile(vdev) 182 { 183 } 184 185 TestableCaseFile & 186 TestableCaseFile::Create(Vdev &vdev) 187 { 188 TestableCaseFile *newCase; 189 newCase = new TestableCaseFile(vdev); 190 return (*newCase); 191 } 192 193 void 194 TestableCaseFile::SpliceEvents() 195 { 196 m_events.splice(m_events.begin(), m_tentativeEvents); 197 } 198 199 200 /* 201 * Test class ZfsdException 202 */ 203 class ZfsdExceptionTest : public ::testing::Test 204 { 205 protected: 206 virtual void SetUp() 207 { 208 ASSERT_EQ(0, nvlist_alloc(&poolConfig, NV_UNIQUE_NAME, 0)); 209 ASSERT_EQ(0, nvlist_add_string(poolConfig, 210 ZPOOL_CONFIG_POOL_NAME, "unit_test_pool")); 211 ASSERT_EQ(0, nvlist_add_uint64(poolConfig, 212 ZPOOL_CONFIG_POOL_GUID, 0x1234)); 213 214 ASSERT_EQ(0, nvlist_alloc(&vdevConfig, NV_UNIQUE_NAME, 0)); 215 ASSERT_EQ(0, nvlist_add_uint64(vdevConfig, 216 ZPOOL_CONFIG_GUID, 0x5678)); 217 bzero(&poolHandle, sizeof(poolHandle)); 218 poolHandle.zpool_config = poolConfig; 219 } 220 221 virtual void TearDown() 222 { 223 nvlist_free(poolConfig); 224 nvlist_free(vdevConfig); 225 } 226 227 nvlist_t *poolConfig; 228 nvlist_t *vdevConfig; 229 zpool_handle_t poolHandle; 230 }; 231 232 TEST_F(ZfsdExceptionTest, StringConstructorNull) 233 { 234 ZfsdException ze(""); 235 EXPECT_STREQ("", ze.GetString().c_str()); 236 } 237 238 TEST_F(ZfsdExceptionTest, StringConstructorFormatted) 239 { 240 ZfsdException ze(" %d %s", 55, "hello world"); 241 EXPECT_STREQ(" 55 hello world", ze.GetString().c_str()); 242 } 243 244 TEST_F(ZfsdExceptionTest, LogSimple) 245 { 246 ZfsdException ze("unit test w/o vdev or pool"); 247 ze.Log(); 248 EXPECT_EQ(LOG_ERR, syslog_last_priority); 249 EXPECT_STREQ("unit test w/o vdev or pool\n", syslog_last_message); 250 } 251 252 TEST_F(ZfsdExceptionTest, Pool) 253 { 254 const char msg[] = "Exception with pool name"; 255 char expected[4096]; 256 sprintf(expected, "Pool unit_test_pool: %s\n", msg); 257 ZfsdException ze(poolConfig, msg); 258 ze.Log(); 259 EXPECT_STREQ(expected, syslog_last_message); 260 } 261 262 TEST_F(ZfsdExceptionTest, PoolHandle) 263 { 264 const char msg[] = "Exception with pool handle"; 265 char expected[4096]; 266 sprintf(expected, "Pool unit_test_pool: %s\n", msg); 267 ZfsdException ze(&poolHandle, msg); 268 ze.Log(); 269 EXPECT_STREQ(expected, syslog_last_message); 270 } 271 272 /* 273 * Test class Vdev 274 */ 275 class VdevTest : public ::testing::Test 276 { 277 protected: 278 virtual void SetUp() 279 { 280 ASSERT_EQ(0, nvlist_alloc(&m_poolConfig, NV_UNIQUE_NAME, 0)); 281 ASSERT_EQ(0, nvlist_add_uint64(m_poolConfig, 282 ZPOOL_CONFIG_POOL_GUID, 283 0x1234)); 284 285 ASSERT_EQ(0, nvlist_alloc(&m_vdevConfig, NV_UNIQUE_NAME, 0)); 286 ASSERT_EQ(0, nvlist_add_uint64(m_vdevConfig, ZPOOL_CONFIG_GUID, 287 0x5678)); 288 } 289 290 virtual void TearDown() 291 { 292 nvlist_free(m_poolConfig); 293 nvlist_free(m_vdevConfig); 294 } 295 296 nvlist_t *m_poolConfig; 297 nvlist_t *m_vdevConfig; 298 }; 299 300 301 TEST_F(VdevTest, StateFromConfig) 302 { 303 vdev_stat_t vs; 304 305 vs.vs_state = VDEV_STATE_OFFLINE; 306 307 ASSERT_EQ(0, nvlist_add_uint64_array(m_vdevConfig, 308 ZPOOL_CONFIG_VDEV_STATS, 309 (uint64_t*)&vs, 310 sizeof(vs) / sizeof(uint64_t))); 311 312 Vdev vdev(m_poolConfig, m_vdevConfig); 313 314 EXPECT_EQ(VDEV_STATE_OFFLINE, vdev.State()); 315 } 316 317 TEST_F(VdevTest, StateFaulted) 318 { 319 ASSERT_EQ(0, nvlist_add_uint64(m_vdevConfig, ZPOOL_CONFIG_FAULTED, 1)); 320 321 Vdev vdev(m_poolConfig, m_vdevConfig); 322 323 EXPECT_EQ(VDEV_STATE_FAULTED, vdev.State()); 324 } 325 326 /* 327 * Test that we can construct a Vdev from the label information that is stored 328 * on an available spare drive 329 */ 330 TEST_F(VdevTest, ConstructAvailSpare) 331 { 332 nvlist_t *labelConfig; 333 334 ASSERT_EQ(0, nvlist_alloc(&labelConfig, NV_UNIQUE_NAME, 0)); 335 ASSERT_EQ(0, nvlist_add_uint64(labelConfig, ZPOOL_CONFIG_GUID, 336 1948339428197961030)); 337 ASSERT_EQ(0, nvlist_add_uint64(labelConfig, ZPOOL_CONFIG_POOL_STATE, 338 POOL_STATE_SPARE)); 339 340 EXPECT_NO_THROW(Vdev vdev(labelConfig)); 341 342 nvlist_free(labelConfig); 343 } 344 345 /* Available spares will always show the HEALTHY state */ 346 TEST_F(VdevTest, AvailSpareState) { 347 nvlist_t *labelConfig; 348 349 ASSERT_EQ(0, nvlist_alloc(&labelConfig, NV_UNIQUE_NAME, 0)); 350 ASSERT_EQ(0, nvlist_add_uint64(labelConfig, ZPOOL_CONFIG_GUID, 351 1948339428197961030)); 352 ASSERT_EQ(0, nvlist_add_uint64(labelConfig, ZPOOL_CONFIG_POOL_STATE, 353 POOL_STATE_SPARE)); 354 355 Vdev vdev(labelConfig); 356 EXPECT_EQ(VDEV_STATE_HEALTHY, vdev.State()); 357 358 nvlist_free(labelConfig); 359 } 360 361 /* Test the Vdev::IsSpare method */ 362 TEST_F(VdevTest, IsSpare) { 363 Vdev notSpare(m_poolConfig, m_vdevConfig); 364 EXPECT_EQ(false, notSpare.IsSpare()); 365 366 ASSERT_EQ(0, nvlist_add_uint64(m_vdevConfig, ZPOOL_CONFIG_IS_SPARE, 1)); 367 Vdev isSpare(m_poolConfig, m_vdevConfig); 368 EXPECT_EQ(true, isSpare.IsSpare()); 369 } 370 371 /* 372 * Test class ZFSEvent 373 */ 374 class ZfsEventTest : public ::testing::Test 375 { 376 protected: 377 virtual void SetUp() 378 { 379 m_eventFactory = new EventFactory(); 380 m_eventFactory->UpdateRegistry(MockZfsEvent::s_buildRecords, 381 NUM_ELEMENTS(MockZfsEvent::s_buildRecords)); 382 383 m_event = NULL; 384 } 385 386 virtual void TearDown() 387 { 388 delete m_eventFactory; 389 delete m_event; 390 } 391 392 EventFactory *m_eventFactory; 393 Event *m_event; 394 }; 395 396 TEST_F(ZfsEventTest, ProcessPoolEventGetsCalled) 397 { 398 string evString("!system=ZFS " 399 "subsystem=ZFS " 400 "type=sysevent.fs.zfs.vdev_remove " 401 "pool_name=foo " 402 "pool_guid=9756779504028057996 " 403 "vdev_guid=1631193447431603339 " 404 "vdev_path=/dev/da1 " 405 "timestamp=1348871594"); 406 m_event = Event::CreateEvent(*m_eventFactory, evString); 407 MockZfsEvent *mock_event = static_cast<MockZfsEvent*>(m_event); 408 409 EXPECT_CALL(*mock_event, ProcessPoolEvent()).Times(1); 410 mock_event->Process(); 411 } 412 413 /* 414 * Test class CaseFile 415 */ 416 417 class CaseFileTest : public ::testing::Test 418 { 419 protected: 420 virtual void SetUp() 421 { 422 m_eventFactory = new EventFactory(); 423 m_eventFactory->UpdateRegistry(MockZfsEvent::s_buildRecords, 424 NUM_ELEMENTS(MockZfsEvent::s_buildRecords)); 425 426 m_event = NULL; 427 428 nvlist_alloc(&m_vdevConfig, NV_UNIQUE_NAME, 0); 429 ASSERT_EQ(0, nvlist_add_uint64(m_vdevConfig, 430 ZPOOL_CONFIG_GUID, 0xbeef)); 431 m_vdev = new MockVdev(m_vdevConfig); 432 ON_CALL(*m_vdev, GUID()) 433 .WillByDefault(::testing::Return(Guid(123))); 434 ON_CALL(*m_vdev, PoolGUID()) 435 .WillByDefault(::testing::Return(Guid(456))); 436 ON_CALL(*m_vdev, State()) 437 .WillByDefault(::testing::Return(VDEV_STATE_HEALTHY)); 438 m_caseFile = &TestableCaseFile::Create(*m_vdev); 439 ON_CALL(*m_caseFile, ReEvaluate(::testing::_)) 440 .WillByDefault(::testing::Invoke(m_caseFile, &TestableCaseFile::RealReEvaluate)); 441 return; 442 } 443 444 virtual void TearDown() 445 { 446 delete m_caseFile; 447 nvlist_free(m_vdevConfig); 448 delete m_vdev; 449 delete m_event; 450 delete m_eventFactory; 451 } 452 453 nvlist_t *m_vdevConfig; 454 MockVdev *m_vdev; 455 TestableCaseFile *m_caseFile; 456 Event *m_event; 457 EventFactory *m_eventFactory; 458 }; 459 460 /* 461 * A Vdev with no events should not be degraded or faulted 462 */ 463 TEST_F(CaseFileTest, HealthyVdev) 464 { 465 EXPECT_FALSE(m_caseFile->ShouldDegrade()); 466 EXPECT_FALSE(m_caseFile->ShouldFault()); 467 } 468 469 /* 470 * A Vdev with only one event should not be degraded or faulted 471 * For performance reasons, RefreshVdevState should not be called. 472 */ 473 TEST_F(CaseFileTest, HealthyishVdev) 474 { 475 string evString("!system=ZFS " 476 "class=ereport.fs.zfs.io " 477 "ena=12091638756982918145 " 478 "parent_guid=13237004955564865395 " 479 "parent_type=raidz " 480 "pool=testpool.4415 " 481 "pool_context=0 " 482 "pool_failmode=wait " 483 "pool_guid=456 " 484 "subsystem=ZFS " 485 "timestamp=1348867914 " 486 "type=ereport.fs.zfs.io " 487 "vdev_guid=123 " 488 "vdev_path=/dev/da400 " 489 "vdev_type=disk " 490 "zio_blkid=622 " 491 "zio_err=1 " 492 "zio_level=-2 " 493 "zio_object=0 " 494 "zio_objset=37 " 495 "zio_offset=25598976 " 496 "zio_size=1024"); 497 m_event = Event::CreateEvent(*m_eventFactory, evString); 498 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 499 500 EXPECT_CALL(*m_caseFile, RefreshVdevState()) 501 .Times(::testing::Exactly(0)); 502 EXPECT_TRUE(m_caseFile->ReEvaluate(*zfs_event)); 503 EXPECT_FALSE(m_caseFile->ShouldDegrade()); 504 EXPECT_FALSE(m_caseFile->ShouldFault()); 505 } 506 507 /* The case file should be closed when its pool is destroyed */ 508 TEST_F(CaseFileTest, PoolDestroy) 509 { 510 string evString("!system=ZFS " 511 "pool_name=testpool.4415 " 512 "pool_guid=456 " 513 "subsystem=ZFS " 514 "timestamp=1348867914 " 515 "type=sysevent.fs.zfs.pool_destroy "); 516 m_event = Event::CreateEvent(*m_eventFactory, evString); 517 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 518 EXPECT_CALL(*m_caseFile, Close()); 519 EXPECT_TRUE(m_caseFile->ReEvaluate(*zfs_event)); 520 } 521 522 /* 523 * A Vdev with a very large number of IO errors should fault 524 * For performance reasons, RefreshVdevState should be called at most once 525 */ 526 TEST_F(CaseFileTest, VeryManyIOErrors) 527 { 528 EXPECT_CALL(*m_caseFile, RefreshVdevState()) 529 .Times(::testing::AtMost(1)) 530 .WillRepeatedly(::testing::Return(true)); 531 532 for(int i=0; i<100; i++) { 533 stringstream evStringStream; 534 evStringStream << 535 "!system=ZFS " 536 "class=ereport.fs.zfs.io " 537 "ena=12091638756982918145 " 538 "parent_guid=13237004955564865395 " 539 "parent_type=raidz " 540 "pool=testpool.4415 " 541 "pool_context=0 " 542 "pool_failmode=wait " 543 "pool_guid=456 " 544 "subsystem=ZFS " 545 "timestamp="; 546 evStringStream << i << " "; 547 evStringStream << 548 "type=ereport.fs.zfs.io " 549 "vdev_guid=123 " 550 "vdev_path=/dev/da400 " 551 "vdev_type=disk " 552 "zio_blkid=622 " 553 "zio_err=1 " 554 "zio_level=-2 " 555 "zio_object=0 " 556 "zio_objset=37 " 557 "zio_offset=25598976 " 558 "zio_size=1024"; 559 Event *event(Event::CreateEvent(*m_eventFactory, 560 evStringStream.str())); 561 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(event); 562 EXPECT_TRUE(m_caseFile->ReEvaluate(*zfs_event)); 563 delete event; 564 } 565 566 m_caseFile->SpliceEvents(); 567 EXPECT_FALSE(m_caseFile->ShouldDegrade()); 568 EXPECT_TRUE(m_caseFile->ShouldFault()); 569 } 570 571 /* 572 * A Vdev with a very large number of checksum errors should degrade 573 * For performance reasons, RefreshVdevState should be called at most once 574 */ 575 TEST_F(CaseFileTest, VeryManyChecksumErrors) 576 { 577 EXPECT_CALL(*m_caseFile, RefreshVdevState()) 578 .Times(::testing::AtMost(1)) 579 .WillRepeatedly(::testing::Return(true)); 580 581 for(int i=0; i<100; i++) { 582 stringstream evStringStream; 583 evStringStream << 584 "!system=ZFS " 585 "bad_cleared_bits=03000000000000803f50b00000000000 " 586 "bad_range_clears=0000000e " 587 "bad_range_sets=00000000 " 588 "bad_ranges=0000000000000010 " 589 "bad_ranges_min_gap=8 " 590 "bad_set_bits=00000000000000000000000000000000 " 591 "class=ereport.fs.zfs.checksum " 592 "ena=12272856582652437505 " 593 "parent_guid=5838204195352909894 " 594 "parent_type=raidz pool=testpool.7640 " 595 "pool_context=0 " 596 "pool_failmode=wait " 597 "pool_guid=456 " 598 "subsystem=ZFS timestamp="; 599 evStringStream << i << " "; 600 evStringStream << 601 "type=ereport.fs.zfs.checksum " 602 "vdev_guid=123 " 603 "vdev_path=/mnt/tmp/file1.7702 " 604 "vdev_type=file " 605 "zio_blkid=0 " 606 "zio_err=0 " 607 "zio_level=0 " 608 "zio_object=3 " 609 "zio_objset=0 " 610 "zio_offset=16896 " 611 "zio_size=512"; 612 Event *event(Event::CreateEvent(*m_eventFactory, 613 evStringStream.str())); 614 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(event); 615 EXPECT_TRUE(m_caseFile->ReEvaluate(*zfs_event)); 616 delete event; 617 } 618 619 m_caseFile->SpliceEvents(); 620 EXPECT_TRUE(m_caseFile->ShouldDegrade()); 621 EXPECT_FALSE(m_caseFile->ShouldFault()); 622 } 623 624 /* 625 * Test CaseFile::ReEvaluateByGuid 626 */ 627 class ReEvaluateByGuidTest : public ::testing::Test 628 { 629 protected: 630 virtual void SetUp() 631 { 632 m_eventFactory = new EventFactory(); 633 m_eventFactory->UpdateRegistry(MockZfsEvent::s_buildRecords, 634 NUM_ELEMENTS(MockZfsEvent::s_buildRecords)); 635 m_event = Event::CreateEvent(*m_eventFactory, s_evString); 636 nvlist_alloc(&m_vdevConfig, NV_UNIQUE_NAME, 0); 637 ASSERT_EQ(0, nvlist_add_uint64(m_vdevConfig, 638 ZPOOL_CONFIG_GUID, 0xbeef)); 639 m_vdev456 = new ::testing::NiceMock<MockVdev>(m_vdevConfig); 640 m_vdev789 = new ::testing::NiceMock<MockVdev>(m_vdevConfig); 641 ON_CALL(*m_vdev456, GUID()) 642 .WillByDefault(::testing::Return(Guid(123))); 643 ON_CALL(*m_vdev456, PoolGUID()) 644 .WillByDefault(::testing::Return(Guid(456))); 645 ON_CALL(*m_vdev456, State()) 646 .WillByDefault(::testing::Return(VDEV_STATE_HEALTHY)); 647 ON_CALL(*m_vdev789, GUID()) 648 .WillByDefault(::testing::Return(Guid(123))); 649 ON_CALL(*m_vdev789, PoolGUID()) 650 .WillByDefault(::testing::Return(Guid(789))); 651 ON_CALL(*m_vdev789, State()) 652 .WillByDefault(::testing::Return(VDEV_STATE_HEALTHY)); 653 m_caseFile456 = NULL; 654 m_caseFile789 = NULL; 655 return; 656 } 657 658 virtual void TearDown() 659 { 660 delete m_caseFile456; 661 delete m_caseFile789; 662 nvlist_free(m_vdevConfig); 663 delete m_vdev456; 664 delete m_vdev789; 665 delete m_event; 666 delete m_eventFactory; 667 } 668 669 static string s_evString; 670 nvlist_t *m_vdevConfig; 671 ::testing::NiceMock<MockVdev> *m_vdev456; 672 ::testing::NiceMock<MockVdev> *m_vdev789; 673 TestableCaseFile *m_caseFile456; 674 TestableCaseFile *m_caseFile789; 675 Event *m_event; 676 EventFactory *m_eventFactory; 677 }; 678 679 string ReEvaluateByGuidTest::s_evString( 680 "!system=ZFS " 681 "pool_guid=16271873792808333580 " 682 "pool_name=foo " 683 "subsystem=ZFS " 684 "timestamp=1360620391 " 685 "type=sysevent.fs.zfs.config_sync"); 686 687 688 /* 689 * Test the ReEvaluateByGuid method on an empty list of casefiles. 690 * We must create one event, even though it never gets used, because it will 691 * be passed by reference to ReEvaluateByGuid 692 */ 693 TEST_F(ReEvaluateByGuidTest, ReEvaluateByGuid_empty) 694 { 695 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 696 697 EXPECT_EQ(0, TestableCaseFile::getActiveCases()); 698 CaseFile::ReEvaluateByGuid(Guid(456), *zfs_event); 699 EXPECT_EQ(0, TestableCaseFile::getActiveCases()); 700 } 701 702 /* 703 * Test the ReEvaluateByGuid method on a list of CaseFiles that contains only 704 * one CaseFile, which doesn't match the criteria 705 */ 706 TEST_F(ReEvaluateByGuidTest, ReEvaluateByGuid_oneFalse) 707 { 708 m_caseFile456 = &TestableCaseFile::Create(*m_vdev456); 709 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 710 711 EXPECT_EQ(1, TestableCaseFile::getActiveCases()); 712 EXPECT_CALL(*m_caseFile456, ReEvaluate(::testing::_)) 713 .Times(::testing::Exactly(0)); 714 CaseFile::ReEvaluateByGuid(Guid(789), *zfs_event); 715 EXPECT_EQ(1, TestableCaseFile::getActiveCases()); 716 } 717 718 /* 719 * Test the ReEvaluateByGuid method on a list of CaseFiles that contains only 720 * one CaseFile, which does match the criteria 721 */ 722 TEST_F(ReEvaluateByGuidTest, ReEvaluateByGuid_oneTrue) 723 { 724 m_caseFile456 = &TestableCaseFile::Create(*m_vdev456); 725 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 726 727 EXPECT_EQ(1, TestableCaseFile::getActiveCases()); 728 EXPECT_CALL(*m_caseFile456, ReEvaluate(::testing::_)) 729 .Times(::testing::Exactly(1)) 730 .WillRepeatedly(::testing::Return(false)); 731 CaseFile::ReEvaluateByGuid(Guid(456), *zfs_event); 732 EXPECT_EQ(1, TestableCaseFile::getActiveCases()); 733 } 734 735 /* 736 * Test the ReEvaluateByGuid method on a long list of CaseFiles that contains a 737 * few cases which meet the criteria 738 */ 739 TEST_F(ReEvaluateByGuidTest, ReEvaluateByGuid_five) 740 { 741 TestableCaseFile *CaseFile1 = &TestableCaseFile::Create(*m_vdev456); 742 TestableCaseFile *CaseFile2 = &TestableCaseFile::Create(*m_vdev789); 743 TestableCaseFile *CaseFile3 = &TestableCaseFile::Create(*m_vdev456); 744 TestableCaseFile *CaseFile4 = &TestableCaseFile::Create(*m_vdev789); 745 TestableCaseFile *CaseFile5 = &TestableCaseFile::Create(*m_vdev789); 746 ZfsEvent *zfs_event = static_cast<ZfsEvent*>(m_event); 747 748 EXPECT_EQ(5, TestableCaseFile::getActiveCases()); 749 EXPECT_CALL(*CaseFile1, ReEvaluate(::testing::_)) 750 .Times(::testing::Exactly(1)) 751 .WillRepeatedly(::testing::Return(false)); 752 EXPECT_CALL(*CaseFile3, ReEvaluate(::testing::_)) 753 .Times(::testing::Exactly(1)) 754 .WillRepeatedly(::testing::Return(false)); 755 EXPECT_CALL(*CaseFile2, ReEvaluate(::testing::_)) 756 .Times(::testing::Exactly(0)); 757 EXPECT_CALL(*CaseFile4, ReEvaluate(::testing::_)) 758 .Times(::testing::Exactly(0)); 759 EXPECT_CALL(*CaseFile5, ReEvaluate(::testing::_)) 760 .Times(::testing::Exactly(0)); 761 CaseFile::ReEvaluateByGuid(Guid(456), *zfs_event); 762 EXPECT_EQ(5, TestableCaseFile::getActiveCases()); 763 delete CaseFile1; 764 delete CaseFile2; 765 delete CaseFile3; 766 delete CaseFile4; 767 delete CaseFile5; 768 } 769 770 /* 771 * Test VdevIterator 772 */ 773 class VdevIteratorTest : public ::testing::Test 774 { 775 }; 776 777 bool VdevIteratorTestCB(Vdev &vdev, void *cbArg) { 778 return (false); 779 } 780 781 /* 782 * VdevIterator::Next should not crash when run on a pool that has a previously 783 * removed vdev. Regression for 784 * https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273663 785 */ 786 TEST_F(VdevIteratorTest, VdevRemoval) 787 { 788 nvlist_t* poolConfig, *rootVdev; 789 790 ASSERT_EQ(0, nvlist_alloc(&rootVdev, NV_UNIQUE_NAME, 0)); 791 ASSERT_EQ(0, nvlist_add_uint64(rootVdev, ZPOOL_CONFIG_GUID, 0x5678)); 792 /* 793 * Note: pools with previously-removed top-level VDEVs will contain a 794 * TLV in their labels that has 0 children. 795 */ 796 ASSERT_EQ(0, nvlist_add_nvlist_array(rootVdev, ZPOOL_CONFIG_CHILDREN, 797 NULL, 0)); 798 ASSERT_EQ(0, nvlist_alloc(&poolConfig, NV_UNIQUE_NAME, 0)); 799 ASSERT_EQ(0, nvlist_add_uint64(poolConfig, 800 ZPOOL_CONFIG_POOL_GUID, 0x1234)); 801 ASSERT_EQ(0, nvlist_add_nvlist(poolConfig, ZPOOL_CONFIG_VDEV_TREE, 802 rootVdev)); 803 804 VdevIterator(poolConfig).Each(VdevIteratorTestCB, NULL); 805 } 806