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156 regels
4.9 KiB
156 regels
4.9 KiB
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include "db/filename.h"
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#include "db/dbformat.h"
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#include "port/port.h"
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#include "util/logging.h"
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#include "util/testharness.h"
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namespace leveldb {
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class FileNameTest { };
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TEST(FileNameTest, Parse) {
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Slice db;
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FileType type;
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uint64_t number;
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LargeValueRef large_ref;
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// Successful parses
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static struct {
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const char* fname;
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uint64_t number;
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const char* large_ref;
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FileType type;
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} cases[] = {
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{ "100.log", 100, "", kLogFile },
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{ "0.log", 0, "", kLogFile },
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{ "0.sst", 0, "", kTableFile },
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{ "CURRENT", 0, "", kCurrentFile },
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{ "LOCK", 0, "", kDBLockFile },
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{ "MANIFEST-2", 2, "", kDescriptorFile },
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{ "MANIFEST-7", 7, "", kDescriptorFile },
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{ "LOG", 0, "", kInfoLogFile },
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{ "LOG.old", 0, "", kInfoLogFile },
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{ "18446744073709551615.log", 18446744073709551615ull, "",
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kLogFile },
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{ "2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-1234-0.val", 0,
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"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-1234-0", kLargeValueFile },
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{ "2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-10000000000-0.val", 0,
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"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-10000000000-0",
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kLargeValueFile },
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};
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for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
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std::string f = cases[i].fname;
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ASSERT_TRUE(ParseFileName(f, &number, &large_ref, &type)) << f;
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ASSERT_EQ(cases[i].type, type) << f;
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if (type == kLargeValueFile) {
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ASSERT_EQ(cases[i].large_ref, LargeValueRefToFilenameString(large_ref))
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<< f;
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} else {
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ASSERT_EQ(cases[i].number, number) << f;
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}
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}
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// Errors
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static const char* errors[] = {
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"",
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"foo",
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"foo-dx-100.log",
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".log",
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"",
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"manifest",
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"CURREN",
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"CURRENTX",
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"MANIFES",
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"MANIFEST",
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"MANIFEST-",
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"XMANIFEST-3",
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"MANIFEST-3x",
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"LOC",
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"LOCKx",
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"LO",
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"LOGx",
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"18446744073709551616.log",
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"184467440737095516150.log",
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"100",
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"100.",
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"100.lop",
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"100.val",
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".val",
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"123456789012345678901234567890123456789-12340.val",
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"1234567890123456789012345678901234567-123-0.val",
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"12345678901234567890123456789012345678902-100-1-.val",
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// Overflow on value size
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"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-100000000000000000000-1.val",
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// '03.val' is a bad compression type
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"2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2323-100000-3.val" };
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for (int i = 0; i < sizeof(errors) / sizeof(errors[0]); i++) {
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std::string f = errors[i];
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ASSERT_TRUE(!ParseFileName(f, &number, &large_ref, &type)) << f;
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};
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}
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TEST(FileNameTest, Construction) {
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uint64_t number;
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FileType type;
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LargeValueRef large_ref;
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std::string fname;
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fname = CurrentFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kCurrentFile, type);
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fname = LockFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kDBLockFile, type);
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fname = LogFileName("foo", 192);
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(192, number);
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ASSERT_EQ(kLogFile, type);
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fname = TableFileName("bar", 200);
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ASSERT_EQ("bar/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(200, number);
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ASSERT_EQ(kTableFile, type);
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fname = DescriptorFileName("bar", 100);
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ASSERT_EQ("bar/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(100, number);
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ASSERT_EQ(kDescriptorFile, type);
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fname = TempFileName("tmp", 999);
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ASSERT_EQ("tmp/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_EQ(999, number);
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ASSERT_EQ(kTempFile, type);
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for (int i = 0; i <= kSnappyCompression; i++) {
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CompressionType ctype = static_cast<CompressionType>(i);
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std::string value = "abcdef";
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LargeValueRef real_large_ref = LargeValueRef::Make(Slice(value), ctype);
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fname = LargeValueFileName("tmp", real_large_ref);
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ASSERT_EQ("tmp/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &large_ref, &type));
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ASSERT_TRUE(real_large_ref == large_ref);
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ASSERT_EQ(kLargeValueFile, type);
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ASSERT_EQ(large_ref.compression_type(), ctype);
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}
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}
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}
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int main(int argc, char** argv) {
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return leveldb::test::RunAllTests();
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}
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