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// 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 "db/filename.h"
#include "db/dbformat.h"
#include "port/port.h"
#include "util/logging.h"
#include "util/testharness.h"
namespace leveldb {
class FileNameTest { };
TEST(FileNameTest, Parse) {
Slice db;
FileType type;
uint64_t number;
LargeValueRef large_ref;
// Successful parses
static struct {
const char* fname;
uint64_t number;
const char* large_ref;
FileType type;
} cases[] = {
{ "100.log", 100, "", kLogFile },
{ "0.log", 0, "", kLogFile },
{ "0.sst", 0, "", kTableFile },
{ "CURRENT", 0, "", kCurrentFile },
{ "LOCK", 0, "", kDBLockFile },
{ "MANIFEST-2", 2, "", kDescriptorFile },
{ "MANIFEST-7", 7, "", kDescriptorFile },
{ "LOG", 0, "", kInfoLogFile },
{ "LOG.old", 0, "", kInfoLogFile },
{ "18446744073709551615.log", 18446744073709551615ull, "",
kLogFile },
{ "2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-1234-0.val", 0,
"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-1234-0", kLargeValueFile },
{ "2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-10000000000-0.val", 0,
"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-10000000000-0",
kLargeValueFile },
};
for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
std::string f = cases[i].fname;
ASSERT_TRUE(ParseFileName(f, &number, &large_ref, &type)) << f;
ASSERT_EQ(cases[i].type, type) << f;
if (type == kLargeValueFile) {
ASSERT_EQ(cases[i].large_ref, LargeValueRefToFilenameString(large_ref))
<< f;
} else {
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",
"LOC",
"LOCKx",
"LO",
"LOGx",
"18446744073709551616.log",
"184467440737095516150.log",
"100",
"100.",
"100.lop",
"100.val",
".val",
"123456789012345678901234567890123456789-12340.val",
"1234567890123456789012345678901234567-123-0.val",
"12345678901234567890123456789012345678902-100-1-.val",
// Overflow on value size
"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-100000000000000000000-1.val",
// '03.val' is a bad compression type
"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-100000-3.val" };
for (int i = 0; i < sizeof(errors) / sizeof(errors[0]); i++) {
std::string f = errors[i];
ASSERT_TRUE(!ParseFileName(f, &number, &large_ref, &type)) << f;
};
}
TEST(FileNameTest, Construction) {
uint64_t number;
FileType type;
LargeValueRef large_ref;
std::string fname;
fname = CurrentFileName("foo");
ASSERT_EQ("foo/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
ASSERT_EQ(0, number);
ASSERT_EQ(kCurrentFile, type);
fname = LockFileName("foo");
ASSERT_EQ("foo/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
ASSERT_EQ(0, 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, &large_ref, &type));
ASSERT_EQ(192, number);
ASSERT_EQ(kLogFile, type);
fname = TableFileName("bar", 200);
ASSERT_EQ("bar/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
ASSERT_EQ(200, 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, &large_ref, &type));
ASSERT_EQ(100, 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, &large_ref, &type));
ASSERT_EQ(999, number);
ASSERT_EQ(kTempFile, type);
for (int i = 0; i <= kSnappyCompression; i++) {
CompressionType ctype = static_cast<CompressionType>(i);
std::string value = "abcdef";
LargeValueRef real_large_ref = LargeValueRef::Make(Slice(value), ctype);
fname = LargeValueFileName("tmp", real_large_ref);
ASSERT_EQ("tmp/", std::string(fname.data(), 4));
ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
ASSERT_TRUE(real_large_ref == large_ref);
ASSERT_EQ(kLargeValueFile, type);
ASSERT_EQ(large_ref.compression_type(), ctype);
}
}
}
int main(int argc, char** argv) {
return leveldb::test::RunAllTests();
}
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