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// Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/searchlib/common/fileheadercontext.h>
#include <vespa/searchlib/docstore/filechunk.h>
#include <vespa/searchlib/docstore/writeablefilechunk.h>
#include <vespa/searchlib/test/directory_handler.h>
#include <vespa/vespalib/test/insertion_operators.h>
#include <vespa/vespalib/util/threadstackexecutor.h>
#include <iomanip>
#include <iostream>
#include <vespa/log/log.h>
LOG_SETUP("file_chunk_test");
using namespace search;
using common::FileHeaderContext;
using vespalib::ThreadStackExecutor;
struct MyFileHeaderContext : public FileHeaderContext {
virtual void addTags(vespalib::GenericHeader &header, const vespalib::string &name) const override {
(void) header;
(void) name;
}
};
struct SetLidObserver : public ISetLid {
std::vector<uint32_t> lids;
virtual void setLid(const vespalib::LockGuard &guard, uint32_t lid, const LidInfo &lidInfo) override {
(void) guard;
(void) lidInfo;
lids.push_back(lid);
}
};
struct BucketizerObserver : public IBucketizer {
mutable std::vector<uint32_t> lids;
virtual document::BucketId getBucketOf(const vespalib::GenerationHandler::Guard &guard, uint32_t lid) const override {
(void) guard;
lids.push_back(lid);
return document::BucketId();
}
virtual vespalib::GenerationHandler::Guard getGuard() const override {
return vespalib::GenerationHandler::Guard();
}
};
vespalib::string
getData(uint32_t lid)
{
std::ostringstream oss;
oss << "data_" << std::setw(5) << std::setfill('0') << lid;
return oss.str();
}
struct Fixture {
test::DirectoryHandler dir;
ThreadStackExecutor executor;
uint64_t serialNum;
TuneFileSummary tuneFile;
MyFileHeaderContext fileHeaderCtx;
vespalib::Lock updateLock;
SetLidObserver lidObserver;
BucketizerObserver bucketizer;
WriteableFileChunk chunk;
uint64_t nextSerialNum() {
return serialNum++;
};
Fixture(const vespalib::string &baseName,
uint32_t docIdLimit,
bool dirCleanup = true)
: dir(baseName),
executor(1, 0x10000),
serialNum(1),
tuneFile(),
fileHeaderCtx(),
updateLock(),
lidObserver(),
bucketizer(),
chunk(executor,
FileChunk::FileId(0),
FileChunk::NameId(1234),
baseName,
serialNum,
docIdLimit,
WriteableFileChunk::Config(document::CompressionConfig(), 0x1000),
tuneFile,
fileHeaderCtx,
&bucketizer,
false)
{
dir.cleanup(dirCleanup);
}
~Fixture() {}
void flush() {
chunk.flush(true, serialNum);
chunk.flushPendingChunks(serialNum);
}
Fixture &append(uint32_t lid) {
vespalib::string data = getData(lid);
chunk.append(nextSerialNum(), lid, data.c_str(), data.size());
return *this;
}
void updateLidMap(uint32_t docIdLimit) {
vespalib::LockGuard guard(updateLock);
chunk.updateLidMap(guard, lidObserver, serialNum, docIdLimit);
}
void assertLidMap(const std::vector<uint32_t> &expLids) {
EXPECT_EQUAL(expLids, lidObserver.lids);
}
void assertBucketizer(const std::vector<uint32_t> &expLids) {
EXPECT_EQUAL(expLids, bucketizer.lids);
}
};
TEST_F("require that idx file without docIdLimit in header can be read", Fixture("without_doc_id_limit", 1000, false))
{
EXPECT_EQUAL(std::numeric_limits<uint32_t>::max(), f.chunk.getDocIdLimit());
}
TEST("require that docIdLimit is written to and read from idx file header")
{
{
Fixture f("tmp", 1000, false);
}
{
Fixture f("tmp", 0);
EXPECT_EQUAL(1000u, f.chunk.getDocIdLimit());
}
}
TEST("require that entries with lid >= docIdLimit are skipped in updateLidMap()")
{
{
Fixture f("tmp", 0, false);
f.append(1).append(10).append(100).append(999).append(1000).append(1001).append(998).append(1002).append(999);
f.flush();
}
{
Fixture f("tmp", 0);
f.updateLidMap(1000);
f.assertLidMap({1,10,100,999,998,999});
f.assertBucketizer({1,10,100,999,998,999});
size_t entrySize = 10 + 8;
EXPECT_EQUAL(9 * entrySize, f.chunk.getAddedBytes());
EXPECT_EQUAL(3u, f.chunk.getBloatCount());
EXPECT_EQUAL(3 * entrySize, f.chunk.getErasedBytes());
}
}
TEST_MAIN() { TEST_RUN_ALL(); }
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