diff options
Diffstat (limited to 'db/recovery_test.cc')
-rw-r--r-- | db/recovery_test.cc | 123 |
1 files changed, 58 insertions, 65 deletions
diff --git a/db/recovery_test.cc b/db/recovery_test.cc index c852803..1d9f621 100644 --- a/db/recovery_test.cc +++ b/db/recovery_test.cc @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. See the AUTHORS file for names of contributors. +#include "gtest/gtest.h" #include "db/db_impl.h" #include "db/filename.h" #include "db/version_set.h" @@ -10,15 +11,14 @@ #include "leveldb/env.h" #include "leveldb/write_batch.h" #include "util/logging.h" -#include "util/testharness.h" #include "util/testutil.h" namespace leveldb { -class RecoveryTest { +class RecoveryTest : public testing::Test { public: RecoveryTest() : env_(Env::Default()), db_(nullptr) { - dbname_ = test::TmpDir() + "/recovery_test"; + dbname_ = testing::TempDir() + "recovery_test"; DestroyDB(dbname_, Options()); Open(); } @@ -63,7 +63,7 @@ class RecoveryTest { } void Open(Options* options = nullptr) { - ASSERT_OK(OpenWithStatus(options)); + ASSERT_LEVELDB_OK(OpenWithStatus(options)); ASSERT_EQ(1, NumLogs()); } @@ -84,37 +84,37 @@ class RecoveryTest { std::string ManifestFileName() { std::string current; - ASSERT_OK(ReadFileToString(env_, CurrentFileName(dbname_), ¤t)); + EXPECT_LEVELDB_OK( + ReadFileToString(env_, CurrentFileName(dbname_), ¤t)); size_t len = current.size(); - if (len > 0 && current[len-1] == '\n') { + if (len > 0 && current[len - 1] == '\n') { current.resize(len - 1); } return dbname_ + "/" + current; } - std::string LogName(uint64_t number) { - return LogFileName(dbname_, number); - } + std::string LogName(uint64_t number) { return LogFileName(dbname_, number); } - size_t DeleteLogFiles() { + size_t RemoveLogFiles() { + // Linux allows unlinking open files, but Windows does not. + // Closing the db allows for file deletion. + Close(); std::vector<uint64_t> logs = GetFiles(kLogFile); for (size_t i = 0; i < logs.size(); i++) { - ASSERT_OK(env_->DeleteFile(LogName(logs[i]))) << LogName(logs[i]); + EXPECT_LEVELDB_OK(env_->RemoveFile(LogName(logs[i]))) << LogName(logs[i]); } return logs.size(); } - void DeleteManifestFile() { - ASSERT_OK(env_->DeleteFile(ManifestFileName())); + void RemoveManifestFile() { + ASSERT_LEVELDB_OK(env_->RemoveFile(ManifestFileName())); } - uint64_t FirstLogFile() { - return GetFiles(kLogFile)[0]; - } + uint64_t FirstLogFile() { return GetFiles(kLogFile)[0]; } std::vector<uint64_t> GetFiles(FileType t) { std::vector<std::string> filenames; - ASSERT_OK(env_->GetChildren(dbname_, &filenames)); + EXPECT_LEVELDB_OK(env_->GetChildren(dbname_, &filenames)); std::vector<uint64_t> result; for (size_t i = 0; i < filenames.size(); i++) { uint64_t number; @@ -126,35 +126,29 @@ class RecoveryTest { return result; } - int NumLogs() { - return GetFiles(kLogFile).size(); - } + int NumLogs() { return GetFiles(kLogFile).size(); } - int NumTables() { - return GetFiles(kTableFile).size(); - } + int NumTables() { return GetFiles(kTableFile).size(); } uint64_t FileSize(const std::string& fname) { uint64_t result; - ASSERT_OK(env_->GetFileSize(fname, &result)) << fname; + EXPECT_LEVELDB_OK(env_->GetFileSize(fname, &result)) << fname; return result; } - void CompactMemTable() { - dbfull()->TEST_CompactMemTable(); - } + void CompactMemTable() { dbfull()->TEST_CompactMemTable(); } // Directly construct a log file that sets key to val. void MakeLogFile(uint64_t lognum, SequenceNumber seq, Slice key, Slice val) { std::string fname = LogFileName(dbname_, lognum); WritableFile* file; - ASSERT_OK(env_->NewWritableFile(fname, &file)); + ASSERT_LEVELDB_OK(env_->NewWritableFile(fname, &file)); log::Writer writer(file); WriteBatch batch; batch.Put(key, val); WriteBatchInternal::SetSequence(&batch, seq); - ASSERT_OK(writer.AddRecord(WriteBatchInternal::Contents(&batch))); - ASSERT_OK(file->Flush()); + ASSERT_LEVELDB_OK(writer.AddRecord(WriteBatchInternal::Contents(&batch))); + ASSERT_LEVELDB_OK(file->Flush()); delete file; } @@ -164,12 +158,13 @@ class RecoveryTest { DB* db_; }; -TEST(RecoveryTest, ManifestReused) { +TEST_F(RecoveryTest, ManifestReused) { if (!CanAppend()) { - fprintf(stderr, "skipping test because env does not support appending\n"); + std::fprintf(stderr, + "skipping test because env does not support appending\n"); return; } - ASSERT_OK(Put("foo", "bar")); + ASSERT_LEVELDB_OK(Put("foo", "bar")); Close(); std::string old_manifest = ManifestFileName(); Open(); @@ -180,12 +175,13 @@ TEST(RecoveryTest, ManifestReused) { ASSERT_EQ("bar", Get("foo")); } -TEST(RecoveryTest, LargeManifestCompacted) { +TEST_F(RecoveryTest, LargeManifestCompacted) { if (!CanAppend()) { - fprintf(stderr, "skipping test because env does not support appending\n"); + std::fprintf(stderr, + "skipping test because env does not support appending\n"); return; } - ASSERT_OK(Put("foo", "bar")); + ASSERT_LEVELDB_OK(Put("foo", "bar")); Close(); std::string old_manifest = ManifestFileName(); @@ -193,10 +189,10 @@ TEST(RecoveryTest, LargeManifestCompacted) { { uint64_t len = FileSize(old_manifest); WritableFile* file; - ASSERT_OK(env()->NewAppendableFile(old_manifest, &file)); - std::string zeroes(3*1048576 - static_cast<size_t>(len), 0); - ASSERT_OK(file->Append(zeroes)); - ASSERT_OK(file->Flush()); + ASSERT_LEVELDB_OK(env()->NewAppendableFile(old_manifest, &file)); + std::string zeroes(3 * 1048576 - static_cast<size_t>(len), 0); + ASSERT_LEVELDB_OK(file->Append(zeroes)); + ASSERT_LEVELDB_OK(file->Flush()); delete file; } @@ -211,22 +207,23 @@ TEST(RecoveryTest, LargeManifestCompacted) { ASSERT_EQ("bar", Get("foo")); } -TEST(RecoveryTest, NoLogFiles) { - ASSERT_OK(Put("foo", "bar")); - ASSERT_EQ(1, DeleteLogFiles()); +TEST_F(RecoveryTest, NoLogFiles) { + ASSERT_LEVELDB_OK(Put("foo", "bar")); + ASSERT_EQ(1, RemoveLogFiles()); Open(); ASSERT_EQ("NOT_FOUND", Get("foo")); Open(); ASSERT_EQ("NOT_FOUND", Get("foo")); } -TEST(RecoveryTest, LogFileReuse) { +TEST_F(RecoveryTest, LogFileReuse) { if (!CanAppend()) { - fprintf(stderr, "skipping test because env does not support appending\n"); + std::fprintf(stderr, + "skipping test because env does not support appending\n"); return; } for (int i = 0; i < 2; i++) { - ASSERT_OK(Put("foo", "bar")); + ASSERT_LEVELDB_OK(Put("foo", "bar")); if (i == 0) { // Compact to ensure current log is empty CompactMemTable(); @@ -250,13 +247,13 @@ TEST(RecoveryTest, LogFileReuse) { } } -TEST(RecoveryTest, MultipleMemTables) { +TEST_F(RecoveryTest, MultipleMemTables) { // Make a large log. const int kNum = 1000; for (int i = 0; i < kNum; i++) { char buf[100]; - snprintf(buf, sizeof(buf), "%050d", i); - ASSERT_OK(Put(buf, buf)); + std::snprintf(buf, sizeof(buf), "%050d", i); + ASSERT_LEVELDB_OK(Put(buf, buf)); } ASSERT_EQ(0, NumTables()); Close(); @@ -267,35 +264,35 @@ TEST(RecoveryTest, MultipleMemTables) { // Force creation of multiple memtables by reducing the write buffer size. Options opt; opt.reuse_logs = true; - opt.write_buffer_size = (kNum*100) / 2; + opt.write_buffer_size = (kNum * 100) / 2; Open(&opt); ASSERT_LE(2, NumTables()); ASSERT_EQ(1, NumLogs()); ASSERT_NE(old_log_file, FirstLogFile()) << "must not reuse log"; for (int i = 0; i < kNum; i++) { char buf[100]; - snprintf(buf, sizeof(buf), "%050d", i); + std::snprintf(buf, sizeof(buf), "%050d", i); ASSERT_EQ(buf, Get(buf)); } } -TEST(RecoveryTest, MultipleLogFiles) { - ASSERT_OK(Put("foo", "bar")); +TEST_F(RecoveryTest, MultipleLogFiles) { + ASSERT_LEVELDB_OK(Put("foo", "bar")); Close(); ASSERT_EQ(1, NumLogs()); // Make a bunch of uncompacted log files. uint64_t old_log = FirstLogFile(); - MakeLogFile(old_log+1, 1000, "hello", "world"); - MakeLogFile(old_log+2, 1001, "hi", "there"); - MakeLogFile(old_log+3, 1002, "foo", "bar2"); + MakeLogFile(old_log + 1, 1000, "hello", "world"); + MakeLogFile(old_log + 2, 1001, "hi", "there"); + MakeLogFile(old_log + 3, 1002, "foo", "bar2"); // Recover and check that all log files were processed. Open(); ASSERT_LE(1, NumTables()); ASSERT_EQ(1, NumLogs()); uint64_t new_log = FirstLogFile(); - ASSERT_LE(old_log+3, new_log); + ASSERT_LE(old_log + 3, new_log); ASSERT_EQ("bar2", Get("foo")); ASSERT_EQ("world", Get("hello")); ASSERT_EQ("there", Get("hi")); @@ -313,7 +310,7 @@ TEST(RecoveryTest, MultipleLogFiles) { // Check that introducing an older log file does not cause it to be re-read. Close(); - MakeLogFile(old_log+1, 2000, "hello", "stale write"); + MakeLogFile(old_log + 1, 2000, "hello", "stale write"); Open(); ASSERT_LE(1, NumTables()); ASSERT_EQ(1, NumLogs()); @@ -325,17 +322,13 @@ TEST(RecoveryTest, MultipleLogFiles) { ASSERT_EQ("there", Get("hi")); } -TEST(RecoveryTest, ManifestMissing) { - ASSERT_OK(Put("foo", "bar")); +TEST_F(RecoveryTest, ManifestMissing) { + ASSERT_LEVELDB_OK(Put("foo", "bar")); Close(); - DeleteManifestFile(); + RemoveManifestFile(); Status status = OpenWithStatus(); ASSERT_TRUE(status.IsCorruption()); } } // namespace leveldb - -int main(int argc, char** argv) { - return leveldb::test::RunAllTests(); -} |