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// indexcatalogtests.cpp : index_catalog.{h,cpp} unit tests.
/**
* Copyright (C) 2013 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/catalog/collection.h"
#include "mongo/db/catalog/collection_catalog_entry.h"
#include "mongo/db/catalog/index_catalog.h"
#include "mongo/db/client.h"
#include "mongo/db/db.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/index/index_descriptor.h"
#include "mongo/dbtests/dbtests.h"
namespace IndexCatalogTests {
namespace {
const auto kIndexVersion = IndexDescriptor::IndexVersion::kV2;
} // namespace
static const char* const _ns = "unittests.indexcatalog";
class IndexIteratorTests {
public:
IndexIteratorTests() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
Lock::DBLock lk(&opCtx, nsToDatabaseSubstring(_ns), MODE_X);
OldClientContext ctx(&opCtx, _ns);
WriteUnitOfWork wuow(&opCtx);
_db = ctx.db();
_coll = _db->createCollection(&opCtx, _ns);
_catalog = _coll->getIndexCatalog();
wuow.commit();
}
~IndexIteratorTests() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
Lock::DBLock lk(&opCtx, nsToDatabaseSubstring(_ns), MODE_X);
OldClientContext ctx(&opCtx, _ns);
WriteUnitOfWork wuow(&opCtx);
_db->dropCollection(&opCtx, _ns);
wuow.commit();
}
void run() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
OldClientWriteContext ctx(&opCtx, _ns);
int numFinishedIndexesStart = _catalog->numIndexesReady(&opCtx);
dbtests::createIndex(&opCtx, _ns, BSON("x" << 1));
dbtests::createIndex(&opCtx, _ns, BSON("y" << 1));
ASSERT_TRUE(_catalog->numIndexesReady(&opCtx) == numFinishedIndexesStart + 2);
IndexCatalog::IndexIterator ii = _catalog->getIndexIterator(&opCtx, false);
int indexesIterated = 0;
bool foundIndex = false;
while (ii.more()) {
IndexDescriptor* indexDesc = ii.next();
indexesIterated++;
BSONObjIterator boit(indexDesc->infoObj());
while (boit.more() && !foundIndex) {
BSONElement e = boit.next();
if (str::equals(e.fieldName(), "name") && str::equals(e.valuestrsafe(), "y_1")) {
foundIndex = true;
break;
}
}
}
ASSERT_TRUE(indexesIterated == _catalog->numIndexesReady(&opCtx));
ASSERT_TRUE(foundIndex);
}
private:
IndexCatalog* _catalog;
Collection* _coll;
Database* _db;
};
/**
* Test for IndexCatalog::refreshEntry().
*/
class RefreshEntry {
public:
RefreshEntry() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
Lock::DBLock lk(&opCtx, nsToDatabaseSubstring(_ns), MODE_X);
OldClientContext ctx(&opCtx, _ns);
WriteUnitOfWork wuow(&opCtx);
_db = ctx.db();
_coll = _db->createCollection(&opCtx, _ns);
_catalog = _coll->getIndexCatalog();
wuow.commit();
}
~RefreshEntry() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
Lock::DBLock lk(&opCtx, nsToDatabaseSubstring(_ns), MODE_X);
OldClientContext ctx(&opCtx, _ns);
WriteUnitOfWork wuow(&opCtx);
_db->dropCollection(&opCtx, _ns);
wuow.commit();
}
void run() {
const ServiceContext::UniqueOperationContext opCtxPtr = cc().makeOperationContext();
OperationContext& opCtx = *opCtxPtr;
OldClientWriteContext ctx(&opCtx, _ns);
const std::string indexName = "x_1";
ASSERT_OK(dbtests::createIndexFromSpec(
&opCtx,
_ns,
BSON("name" << indexName << "ns" << _ns << "key" << BSON("x" << 1) << "v"
<< static_cast<int>(kIndexVersion)
<< "expireAfterSeconds"
<< 5)));
const IndexDescriptor* desc = _catalog->findIndexByName(&opCtx, indexName);
ASSERT(desc);
ASSERT_EQUALS(5, desc->infoObj()["expireAfterSeconds"].numberLong());
// Change value of "expireAfterSeconds" on disk.
{
WriteUnitOfWork wuow(&opCtx);
_coll->getCatalogEntry()->updateTTLSetting(&opCtx, "x_1", 10);
wuow.commit();
}
// Verify that the catalog does not yet know of the change.
desc = _catalog->findIndexByName(&opCtx, indexName);
ASSERT_EQUALS(5, desc->infoObj()["expireAfterSeconds"].numberLong());
{
// Notify the catalog of the change.
WriteUnitOfWork wuow(&opCtx);
desc = _catalog->refreshEntry(&opCtx, desc);
wuow.commit();
}
// Test that the catalog reflects the change.
ASSERT_EQUALS(10, desc->infoObj()["expireAfterSeconds"].numberLong());
}
private:
IndexCatalog* _catalog;
Collection* _coll;
Database* _db;
};
class IndexCatalogTests : public Suite {
public:
IndexCatalogTests() : Suite("indexcatalogtests") {}
void setupTests() {
add<IndexIteratorTests>();
add<RefreshEntry>();
}
};
SuiteInstance<IndexCatalogTests> indexCatalogTests;
}
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