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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/services/storage/indexed_db/scopes/leveldb_scopes_coding.h"
#include <iomanip>
#include <ostream>
#include "testing/gtest/include/gtest/gtest.h"
namespace leveldb {
std::ostream& operator<<(std::ostream& os, const leveldb::Slice& slice) {
os << "0x";
for (size_t i = 0; i < slice.size(); ++i) {
const char c = slice[i];
os << std::hex << std::setfill('0') << std::setw(2) << (int)c;
}
return os;
}
} // namespace leveldb
namespace content::indexed_db {
namespace {
TEST(LevelDBScopesCodingTest, GlobalMetadataKey) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB";
expected.push_back(0x00);
EXPECT_EQ(leveldb::Slice(expected), encoder.GlobalMetadataKey(scopes_prefix));
}
TEST(LevelDBScopesCodingTest, ScopeMetadataKey) {
const static int kScopeNumber = 0x0201;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x01\x81\x04";
EXPECT_EQ(leveldb::Slice(expected),
encoder.ScopeMetadataKey(scopes_prefix, kScopeNumber));
}
TEST(LevelDBScopesCodingTest, ScopeMetadataPrefix) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x01";
EXPECT_EQ(leveldb::Slice(expected),
encoder.ScopeMetadataPrefix(scopes_prefix));
}
TEST(LevelDBScopesCodingTest, TasksKeyPrefix) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02";
EXPECT_EQ(leveldb::Slice(expected), encoder.TasksKeyPrefix(scopes_prefix));
}
TEST(LevelDBScopesCodingTest, TasksKeyWithScopePrefix) {
const static int kScopeNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02\x81\x08";
EXPECT_EQ(leveldb::Slice(expected),
encoder.TasksKeyPrefix(scopes_prefix, kScopeNumber));
}
TEST(LevelDBScopesCodingTest, UndoTaskKeyPrefix) {
const static int kScopeNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02\x81\x08";
expected.push_back(0x00);
EXPECT_EQ(leveldb::Slice(expected),
encoder.UndoTaskKeyPrefix(scopes_prefix, kScopeNumber));
}
TEST(LevelDBScopesCodingTest, CleanupTaskKeyPrefix) {
const static int kScopeNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02\x81\x08\x01";
EXPECT_EQ(leveldb::Slice(expected),
encoder.CleanupTaskKeyPrefix(scopes_prefix, kScopeNumber));
}
TEST(LevelDBScopesCodingTest, UndoTaskKey) {
const static int kScopeNumber = 0x0401;
const static int kSequenceNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02\x81\x08";
// Add the 'undo' type.
expected.push_back(0x00);
// Encode the big endian fixed length nunber.
for (size_t i = 0; i < 6; ++i)
expected.push_back(0x00);
expected += "\x04\x01";
EXPECT_EQ(leveldb::Slice(expected),
encoder.UndoTaskKey(scopes_prefix, kScopeNumber, kSequenceNumber));
}
TEST(LevelDBScopesCodingTest, CleanupTaskKey) {
const static int kScopeNumber = 0x0401;
const static int kSequenceNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
ScopesEncoder encoder;
std::string expected = "AB\x02\x81\x08\x01";
// Encode the big endian fixed length nunber.
for (size_t i = 0; i < 6; ++i)
expected.push_back(0x00);
expected += "\x04\x01";
EXPECT_EQ(
leveldb::Slice(expected),
encoder.CleanupTaskKey(scopes_prefix, kScopeNumber, kSequenceNumber));
}
TEST(LevelDBScopesCodingTest, ParseScopeMetadataId) {
const static int kScopeNumber = 0x0401;
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
bool success = false;
int64_t scope_id;
std::string on_disk = "AB\x01\x81\x08";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_TRUE(success);
EXPECT_EQ(kScopeNumber, scope_id);
}
TEST(LevelDBScopesCodingTest, InvalidMetadataByte) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
bool success = false;
int64_t scope_id;
// Wrong metadata byte.
std::string on_disk = "AB\x02\x81\x08";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_FALSE(success);
}
TEST(LevelDBScopesCodingTest, InvalidVarInt) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
bool success = false;
int64_t scope_id;
// Invalid varint
std::string on_disk = "AB\x01\xFF";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_FALSE(success);
on_disk = "AB\x01";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_FALSE(success);
}
TEST(LevelDBScopesCodingTest, InvalidPrefix) {
std::vector<uint8_t> scopes_prefix = {'A', 'B'};
bool success = false;
int64_t scope_id;
// Invalid prefix
std::string on_disk = "XX\x01\x81\x08";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_FALSE(success);
on_disk = "A";
std::tie(success, scope_id) =
leveldb_scopes::ParseScopeMetadataId(on_disk, scopes_prefix);
EXPECT_FALSE(success);
}
} // namespace
} // namespace content::indexed_db
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