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/**
* Copyright (C) 2016 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include "mongo/db/pipeline/expression_context.h"
#include "mongo/db/pipeline/stub_mongo_process_interface.h"
#include "mongo/db/query/datetime/date_time_support.h"
#include "mongo/db/query/query_test_service_context.h"
namespace mongo {
/**
* An ExpressionContext with a default OperationContext that can have state (like the resolved
* namespace map) manipulated after construction. In contrast, a regular ExpressionContext requires
* the resolved namespaces to be provided on construction and does not allow them to be subsequently
* mutated.
*/
class ExpressionContextForTest : public ExpressionContext {
public:
static constexpr TimeZoneDatabase* kNullTimeZoneDatabase = nullptr;
ExpressionContextForTest()
: ExpressionContextForTest(NamespaceString{"test"_sd, "namespace"_sd}) {}
ExpressionContextForTest(NamespaceString nss)
: ExpressionContext(
std::move(nss), std::make_shared<StubMongoProcessInterface>(), kNullTimeZoneDatabase),
_testOpCtx(_serviceContext.makeOperationContext()) {
TimeZoneDatabase::set(_serviceContext.getServiceContext(),
stdx::make_unique<TimeZoneDatabase>());
// As we don't have the TimeZoneDatabase prior to ExpressionContext construction, we must
// initialize with a nullptr and set post-construction.
timeZoneDatabase = TimeZoneDatabase::get(_serviceContext.getServiceContext());
opCtx = _testOpCtx.get();
}
ExpressionContextForTest(OperationContext* opCtx, const AggregationRequest& request)
: ExpressionContext(
opCtx, request, nullptr, std::make_shared<StubMongoProcessInterface>(), {}, {}) {}
/**
* Sets the resolved definition for an involved namespace.
*/
void setResolvedNamespace(const NamespaceString& nss, ResolvedNamespace resolvedNamespace) {
_resolvedNamespaces[nss.coll()] = std::move(resolvedNamespace);
}
private:
QueryTestServiceContext _serviceContext;
ServiceContext::UniqueOperationContext _testOpCtx;
};
} // namespace mongo
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