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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/log/log.h>
LOG_SETUP("document_remover_test");
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/searchlib/memoryindex/document_remover.h>
#include <vespa/searchlib/memoryindex/wordstore.h>
#include <vespa/searchlib/memoryindex/i_document_remove_listener.h>
#include <vespa/vespalib/test/insertion_operators.h>
#include <map>
using namespace search;
using namespace search::memoryindex;
struct WordFieldPair
{
vespalib::string _word;
uint32_t _fieldId;
WordFieldPair(const vespalib::stringref &word, uint32_t fieldId)
: _word(word), _fieldId(fieldId)
{}
bool operator<(const WordFieldPair &rhs) {
if (_word != rhs._word) {
return _word < rhs._word;
}
return _fieldId < rhs._fieldId;
}
};
typedef std::vector<WordFieldPair> WordFieldVector;
std::ostream &
operator<<(std::ostream &os, const WordFieldPair &val)
{
os << "{" << val._word << "," << val._fieldId << "}";
return os;
}
struct MockRemoveListener : public IDocumentRemoveListener
{
WordFieldVector _words;
uint32_t _expDocId;
uint32_t _fieldId;
virtual void remove(const vespalib::stringref word, uint32_t docId) override {
EXPECT_EQUAL(_expDocId, docId);
_words.emplace_back(word, _fieldId);
}
void reset(uint32_t expDocId) {
_words.clear();
_expDocId = expDocId;
}
vespalib::string getWords() {
std::sort(_words.begin(), _words.end());
std::ostringstream oss;
oss << _words;
return oss.str();
}
void setFieldId(uint32_t fieldId) { _fieldId = fieldId; }
};
struct Fixture
{
MockRemoveListener _listener;
std::vector<std::unique_ptr<WordStore>> _wordStores;
std::vector<std::map<vespalib::string, datastore::EntryRef>> _wordToRefMaps;
std::vector<std::unique_ptr<DocumentRemover>> _removers;
Fixture()
: _listener(),
_wordStores(),
_wordToRefMaps(),
_removers()
{
uint32_t numFields = 4;
for (uint32_t fieldId = 0; fieldId < numFields; ++fieldId) {
_wordStores.push_back(std::make_unique<WordStore>());
_removers.push_back(std::make_unique<DocumentRemover>
(*_wordStores.back()));
}
_wordToRefMaps.resize(numFields);
}
datastore::EntryRef getWordRef(const vespalib::string &word, uint32_t fieldId) {
auto &wordToRefMap = _wordToRefMaps[fieldId];
WordStore &wordStore = *_wordStores[fieldId];
auto itr = wordToRefMap.find(word);
if (itr == wordToRefMap.end()) {
datastore::EntryRef ref = wordStore.addWord(word);
wordToRefMap[word] = ref;
return ref;
}
return itr->second;
}
Fixture &insert(const vespalib::string &word, uint32_t fieldId, uint32_t docId) {
assert(fieldId < _wordStores.size());
_removers[fieldId]->insert(getWordRef(word, fieldId), docId);
return *this;
}
void flush() {
for (auto &remover : _removers) {
remover->flush();
}
}
vespalib::string remove(uint32_t docId) {
_listener.reset(docId);
uint32_t fieldId = 0;
for (auto &remover : _removers) {
_listener.setFieldId(fieldId);
remover->remove(docId, _listener);
++fieldId;
}
return _listener.getWords();
}
};
TEST_F("require that {word,fieldId} pairs for multiple doc ids can be inserted", Fixture)
{
f.insert("a", 1, 10).insert("a", 1, 20).insert("a", 1, 30);
f.insert("a", 2, 10).insert("a", 2, 20);
f.insert("b", 1, 20).insert("b", 1, 30);
f.insert("b", 2, 10).insert("b", 2, 30);
f.insert("c", 1, 10);
f.insert("c", 2, 20);
f.insert("c", 3, 30);
f.flush();
EXPECT_EQUAL("[{a,1},{a,2},{b,2},{c,1}]", f.remove(10));
EXPECT_EQUAL("[{a,1},{a,2},{b,1},{c,2}]", f.remove(20));
EXPECT_EQUAL("[{a,1},{b,1},{b,2},{c,3}]", f.remove(30));
}
TEST_F("require that we can insert after flush", Fixture)
{
f.insert("a", 1, 10).insert("b", 1, 10);
f.flush();
f.insert("b", 1, 20).insert("b", 2, 20);
f.flush();
EXPECT_EQUAL("[{a,1},{b,1}]", f.remove(10));
EXPECT_EQUAL("[{b,1},{b,2}]", f.remove(20));
}
TEST_MAIN() { TEST_RUN_ALL(); }
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