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rocksdb/utilities/spatialdb/spatial_db_test.cc

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#ifndef ROCKSDB_LITE
#include <vector>
#include <string>
#include <set>
#include "rocksdb/utilities/spatial_db.h"
#include "util/compression.h"
#include "util/testharness.h"
#include "util/testutil.h"
#include "util/random.h"
namespace rocksdb {
namespace spatial {
class SpatialDBTest : public testing::Test {
public:
SpatialDBTest() {
dbname_ = test::TmpDir() + "/spatial_db_test";
DestroyDB(dbname_, Options());
}
void AssertCursorResults(BoundingBox<double> bbox, const std::string& index,
const std::vector<std::string>& blobs) {
Cursor* c = db_->Query(ReadOptions(), bbox, index);
ASSERT_OK(c->status());
std::multiset<std::string> b;
for (auto x : blobs) {
b.insert(x);
}
while (c->Valid()) {
auto itr = b.find(c->blob().ToString());
ASSERT_TRUE(itr != b.end());
b.erase(itr);
c->Next();
}
ASSERT_EQ(b.size(), 0U);
ASSERT_OK(c->status());
delete c;
}
std::string dbname_;
SpatialDB* db_;
};
TEST_F(SpatialDBTest, FeatureSetSerializeTest) {
if (!LZ4_Supported()) {
return;
}
FeatureSet fs;
fs.Set("a", std::string("b"));
fs.Set("x", static_cast<uint64_t>(3));
fs.Set("y", false);
fs.Set("n", Variant()); // null
fs.Set("m", 3.25);
ASSERT_TRUE(fs.Find("w") == fs.end());
ASSERT_TRUE(fs.Find("x") != fs.end());
ASSERT_TRUE((*fs.Find("x")).second == Variant(static_cast<uint64_t>(3)));
ASSERT_TRUE((*fs.Find("y")).second != Variant(true));
std::set<std::string> keys({"a", "x", "y", "n", "m"});
for (const auto& x : fs) {
ASSERT_TRUE(keys.find(x.first) != keys.end());
keys.erase(x.first);
}
ASSERT_EQ(keys.size(), 0U);
std::string serialized;
fs.Serialize(&serialized);
FeatureSet deserialized;
ASSERT_TRUE(deserialized.Deserialize(serialized));
ASSERT_TRUE(deserialized.Contains("a"));
ASSERT_EQ(deserialized.Get("a").type(), Variant::kString);
ASSERT_EQ(deserialized.Get("a").get_string(), "b");
ASSERT_TRUE(deserialized.Contains("x"));
ASSERT_EQ(deserialized.Get("x").type(), Variant::kInt);
ASSERT_EQ(deserialized.Get("x").get_int(), static_cast<uint64_t>(3));
ASSERT_TRUE(deserialized.Contains("y"));
ASSERT_EQ(deserialized.Get("y").type(), Variant::kBool);
ASSERT_EQ(deserialized.Get("y").get_bool(), false);
ASSERT_TRUE(deserialized.Contains("n"));
ASSERT_EQ(deserialized.Get("n").type(), Variant::kNull);
ASSERT_TRUE(deserialized.Contains("m"));
ASSERT_EQ(deserialized.Get("m").type(), Variant::kDouble);
ASSERT_EQ(deserialized.Get("m").get_double(), 3.25);
// corrupted serialization
serialized = serialized.substr(0, serialized.size() - 4);
deserialized.Clear();
ASSERT_TRUE(!deserialized.Deserialize(serialized));
}
TEST_F(SpatialDBTest, TestNextID) {
if (!LZ4_Supported()) {
return;
}
ASSERT_OK(SpatialDB::Create(
SpatialDBOptions(), dbname_,
{SpatialIndexOptions("simple", BoundingBox<double>(0, 0, 100, 100), 2)}));
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(5, 5, 10, 10),
"one", FeatureSet(), {"simple"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(10, 10, 15, 15),
"two", FeatureSet(), {"simple"}));
delete db_;
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(55, 55, 65, 65),
"three", FeatureSet(), {"simple"}));
delete db_;
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
AssertCursorResults(BoundingBox<double>(0, 0, 100, 100), "simple",
{"one", "two", "three"});
delete db_;
}
TEST_F(SpatialDBTest, FeatureSetTest) {
if (!LZ4_Supported()) {
return;
}
ASSERT_OK(SpatialDB::Create(
SpatialDBOptions(), dbname_,
{SpatialIndexOptions("simple", BoundingBox<double>(0, 0, 100, 100), 2)}));
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
FeatureSet fs;
fs.Set("a", std::string("b"));
fs.Set("c", std::string("d"));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(5, 5, 10, 10),
"one", fs, {"simple"}));
Cursor* c =
db_->Query(ReadOptions(), BoundingBox<double>(5, 5, 10, 10), "simple");
ASSERT_TRUE(c->Valid());
ASSERT_EQ(c->blob().compare("one"), 0);
FeatureSet returned = c->feature_set();
ASSERT_TRUE(returned.Contains("a"));
ASSERT_TRUE(!returned.Contains("b"));
ASSERT_TRUE(returned.Contains("c"));
ASSERT_EQ(returned.Get("a").type(), Variant::kString);
ASSERT_EQ(returned.Get("a").get_string(), "b");
ASSERT_EQ(returned.Get("c").type(), Variant::kString);
ASSERT_EQ(returned.Get("c").get_string(), "d");
c->Next();
ASSERT_TRUE(!c->Valid());
delete c;
delete db_;
}
TEST_F(SpatialDBTest, SimpleTest) {
if (!LZ4_Supported()) {
return;
}
// iter 0 -- not read only
// iter 1 -- read only
for (int iter = 0; iter < 2; ++iter) {
DestroyDB(dbname_, Options());
ASSERT_OK(SpatialDB::Create(
SpatialDBOptions(), dbname_,
{SpatialIndexOptions("index", BoundingBox<double>(0, 0, 128, 128),
3)}));
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(33, 17, 63, 79),
"one", FeatureSet(), {"index"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(65, 65, 111, 111),
"two", FeatureSet(), {"index"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(1, 49, 127, 63),
"three", FeatureSet(), {"index"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(20, 100, 21, 101),
"four", FeatureSet(), {"index"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(81, 33, 127, 63),
"five", FeatureSet(), {"index"}));
ASSERT_OK(db_->Insert(WriteOptions(), BoundingBox<double>(1, 65, 47, 95),
"six", FeatureSet(), {"index"}));
if (iter == 1) {
delete db_;
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_, true));
}
AssertCursorResults(BoundingBox<double>(33, 17, 47, 31), "index", {"one"});
AssertCursorResults(BoundingBox<double>(17, 33, 79, 63), "index",
{"one", "three"});
AssertCursorResults(BoundingBox<double>(17, 81, 63, 111), "index",
{"four", "six"});
AssertCursorResults(BoundingBox<double>(85, 86, 85, 86), "index", {"two"});
AssertCursorResults(BoundingBox<double>(33, 1, 127, 111), "index",
{"one", "two", "three", "five", "six"});
// even though the bounding box doesn't intersect, we got "four" back
// because
// it's in the same tile
AssertCursorResults(BoundingBox<double>(18, 98, 19, 99), "index", {"four"});
AssertCursorResults(BoundingBox<double>(130, 130, 131, 131), "index", {});
AssertCursorResults(BoundingBox<double>(81, 17, 127, 31), "index", {});
AssertCursorResults(BoundingBox<double>(90, 50, 91, 51), "index",
{"three", "five"});
delete db_;
}
}
namespace {
std::string RandomStr(Random* rnd) {
std::string r;
for (int k = 0; k < 10; ++k) {
r.push_back(rnd->Uniform(26) + 'a');
}
return r;
}
BoundingBox<int> RandomBoundingBox(int limit, Random* rnd, int max_size) {
BoundingBox<int> r;
r.min_x = rnd->Uniform(limit - 1);
r.min_y = rnd->Uniform(limit - 1);
r.max_x = r.min_x + rnd->Uniform(std::min(limit - 1 - r.min_x, max_size)) + 1;
r.max_y = r.min_y + rnd->Uniform(std::min(limit - 1 - r.min_y, max_size)) + 1;
return r;
}
BoundingBox<double> ScaleBB(BoundingBox<int> b, double step) {
return BoundingBox<double>(b.min_x * step + 1, b.min_y * step + 1,
(b.max_x + 1) * step - 1,
(b.max_y + 1) * step - 1);
}
} // namespace
TEST_F(SpatialDBTest, RandomizedTest) {
if (!LZ4_Supported()) {
return;
}
Random rnd(301);
std::vector<std::pair<std::string, BoundingBox<int>>> elements;
BoundingBox<double> spatial_index_bounds(0, 0, (1LL << 32), (1LL << 32));
ASSERT_OK(SpatialDB::Create(
SpatialDBOptions(), dbname_,
{SpatialIndexOptions("index", spatial_index_bounds, 7)}));
ASSERT_OK(SpatialDB::Open(SpatialDBOptions(), dbname_, &db_));
double step = (1LL << 32) / (1 << 7);
for (int i = 0; i < 1000; ++i) {
std::string blob = RandomStr(&rnd);
BoundingBox<int> bbox = RandomBoundingBox(128, &rnd, 10);
ASSERT_OK(db_->Insert(WriteOptions(), ScaleBB(bbox, step), blob,
FeatureSet(), {"index"}));
elements.push_back(make_pair(blob, bbox));
}
// parallel
db_->Compact(2);
// serial
db_->Compact(1);
for (int i = 0; i < 1000; ++i) {
BoundingBox<int> int_bbox = RandomBoundingBox(128, &rnd, 10);
BoundingBox<double> double_bbox = ScaleBB(int_bbox, step);
std::vector<std::string> blobs;
for (auto e : elements) {
if (e.second.Intersects(int_bbox)) {
blobs.push_back(e.first);
}
}
AssertCursorResults(double_bbox, "index", blobs);
}
delete db_;
}
} // namespace spatial
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#else
#include <stdio.h>
int main(int argc, char** argv) {
fprintf(stderr, "SKIPPED as SpatialDB is not supported in ROCKSDB_LITE\n");
return 0;
}
#endif // !ROCKSDB_LITE