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rocksdb/db/filename_test.cc

243 lines
7.2 KiB

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// 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 "file/filename.h"
#include "db/dbformat.h"
#include "port/port.h"
#include "test_util/testharness.h"
namespace ROCKSDB_NAMESPACE {
class FileNameTest : public testing::Test {};
TEST_F(FileNameTest, Parse) {
Slice db;
FileType type;
uint64_t number;
char kDefautInfoLogDir = 1;
char kDifferentInfoLogDir = 2;
char kNoCheckLogDir = 4;
char kAllMode = kDefautInfoLogDir | kDifferentInfoLogDir | kNoCheckLogDir;
// Successful parses
static struct {
const char* fname;
uint64_t number;
FileType type;
char mode;
} cases[] = {
{"100.log", 100, kWalFile, kAllMode},
{"0.log", 0, kWalFile, kAllMode},
{"0.sst", 0, kTableFile, kAllMode},
{"CURRENT", 0, kCurrentFile, kAllMode},
{"LOCK", 0, kDBLockFile, kAllMode},
{"MANIFEST-2", 2, kDescriptorFile, kAllMode},
{"MANIFEST-7", 7, kDescriptorFile, kAllMode},
{"METADB-2", 2, kMetaDatabase, kAllMode},
{"METADB-7", 7, kMetaDatabase, kAllMode},
{"LOG", 0, kInfoLogFile, kDefautInfoLogDir},
{"LOG.old", 0, kInfoLogFile, kDefautInfoLogDir},
{"LOG.old.6688", 6688, kInfoLogFile, kDefautInfoLogDir},
{"rocksdb_dir_LOG", 0, kInfoLogFile, kDifferentInfoLogDir},
{"rocksdb_dir_LOG.old", 0, kInfoLogFile, kDifferentInfoLogDir},
{"rocksdb_dir_LOG.old.6688", 6688, kInfoLogFile, kDifferentInfoLogDir},
{"18446744073709551615.log", 18446744073709551615ull, kWalFile, kAllMode},
};
for (char mode : {kDifferentInfoLogDir, kDefautInfoLogDir, kNoCheckLogDir}) {
for (unsigned int i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
InfoLogPrefix info_log_prefix(mode != kDefautInfoLogDir, "/rocksdb/dir");
if (cases[i].mode & mode) {
std::string f = cases[i].fname;
if (mode == kNoCheckLogDir) {
ASSERT_TRUE(ParseFileName(f, &number, &type)) << f;
} else {
ASSERT_TRUE(ParseFileName(f, &number, info_log_prefix.prefix, &type))
<< f;
}
ASSERT_EQ(cases[i].type, type) << f;
ASSERT_EQ(cases[i].number, number) << f;
}
}
}
// Errors
static const char* errors[] = {
"",
"foo",
"foo-dx-100.log",
".log",
"",
"manifest",
"CURREN",
"CURRENTX",
"MANIFES",
"MANIFEST",
"MANIFEST-",
"XMANIFEST-3",
"MANIFEST-3x",
"META",
"METADB",
"METADB-",
"XMETADB-3",
"METADB-3x",
"LOC",
"LOCKx",
"LO",
"LOGx",
"18446744073709551616.log",
"184467440737095516150.log",
"100",
"100.",
"100.lop"
};
for (unsigned int i = 0; i < sizeof(errors) / sizeof(errors[0]); i++) {
std::string f = errors[i];
ASSERT_TRUE(!ParseFileName(f, &number, &type)) << f;
};
}
TEST_F(FileNameTest, InfoLogFileName) {
std::string dbname = ("/data/rocksdb");
std::string db_absolute_path;
ASSERT_OK(Env::Default()->GetAbsolutePath(dbname, &db_absolute_path));
ASSERT_EQ("/data/rocksdb/LOG", InfoLogFileName(dbname, db_absolute_path, ""));
ASSERT_EQ("/data/rocksdb/LOG.old.666",
OldInfoLogFileName(dbname, 666u, db_absolute_path, ""));
ASSERT_EQ("/data/rocksdb_log/data_rocksdb_LOG",
InfoLogFileName(dbname, db_absolute_path, "/data/rocksdb_log"));
ASSERT_EQ(
"/data/rocksdb_log/data_rocksdb_LOG.old.666",
OldInfoLogFileName(dbname, 666u, db_absolute_path, "/data/rocksdb_log"));
}
TEST_F(FileNameTest, Construction) {
uint64_t number;
FileType type;
std::string fname;
fname = CurrentFileName("foo");
ASSERT_EQ("foo/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(0U, number);
ASSERT_EQ(kCurrentFile, type);
fname = LockFileName("foo");
ASSERT_EQ("foo/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(0U, number);
ASSERT_EQ(kDBLockFile, type);
fname = LogFileName("foo", 192);
ASSERT_EQ("foo/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(192U, number);
ASSERT_EQ(kWalFile, type);
fname = TableFileName({DbPath("bar", 0)}, 200, 0);
std::string fname1 =
TableFileName({DbPath("foo", 0), DbPath("bar", 0)}, 200, 1);
ASSERT_EQ(fname, fname1);
ASSERT_EQ("bar/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(200U, number);
ASSERT_EQ(kTableFile, type);
fname = DescriptorFileName("bar", 100);
ASSERT_EQ("bar/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(100U, number);
ASSERT_EQ(kDescriptorFile, type);
fname = TempFileName("tmp", 999);
ASSERT_EQ("tmp/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(999U, number);
ASSERT_EQ(kTempFile, type);
fname = MetaDatabaseName("met", 100);
ASSERT_EQ("met/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
ASSERT_EQ(100U, number);
ASSERT_EQ(kMetaDatabase, type);
}
TEST_F(FileNameTest, NormalizePath) {
// No leading slash
const std::string sep = std::string(1, kFilePathSeparator);
std::string expected = "FOLDER" + sep + "filename.ext";
std::string given = "FOLDER" + sep + "filename.ext";
ASSERT_EQ(expected, NormalizePath(given));
// Two chars /a
expected = sep + "a";
given = expected;
ASSERT_EQ(expected, NormalizePath(given));
// Two chars a/
expected = "a" + sep;
given = expected;
ASSERT_EQ(expected, NormalizePath(given));
// Server only
expected = sep + sep + "a";
given = expected;
ASSERT_EQ(expected, NormalizePath(given));
// Two slashes after character
expected = "a" + sep;
given = "a" + sep + sep;
ASSERT_EQ(expected, NormalizePath(given));
// slash only /
expected = sep;
given = expected;
ASSERT_EQ(expected, NormalizePath(given));
// UNC only //
expected = sep;
given = sep + sep;
ASSERT_EQ(expected, NormalizePath(given));
// 3 slashesy //
expected = sep + sep;
given = sep + sep + sep;
ASSERT_EQ(expected, NormalizePath(given));
// 3 slashes //
expected = sep + sep + "a" + sep;
given = sep + sep + sep + "a" + sep;
ASSERT_EQ(expected, NormalizePath(given));
// 2 separators in the middle
expected = "a" + sep + "b";
given = "a" + sep + sep + "b";
ASSERT_EQ(expected, NormalizePath(given));
// UNC with duplicate slashes
expected = sep + sep + "SERVER" + sep + "a" + sep + "b" + sep + "c";
given = sep + sep + "SERVER" + sep + "a" + sep + sep + "b" + sep + "c";
ASSERT_EQ(expected, NormalizePath(given));
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}