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/**
* Copyright (C) 2014 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.
*/
#include <string>
#include "mongo/bson/util/builder.h"
#include "mongo/db/dbmessage.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
using std::string;
// Test if the reserved field is short of 4 bytes
TEST(DBMessage1, ShortFlags) {
BufBuilder b;
string ns("test");
b.appendChar(1);
Message toSend;
toSend.setData(dbDelete, b.buf(), b.len());
ASSERT_THROWS(DbMessage d1(toSend), AssertionException);
}
// Test a short NS missing a trailing null
TEST(DBMessage1, BadNS) {
BufBuilder b;
b.appendNum(static_cast<int>(1));
b.appendChar('b');
b.appendChar('a');
b.appendChar('d');
// Forget to append \0
Message toSend;
toSend.setData(dbDelete, b.buf(), b.len());
ASSERT_THROWS(DbMessage d1(toSend), AssertionException);
}
// Test a valid kill message and try an extra pull
TEST(DBMessage1, GoodKill) {
BufBuilder b;
b.appendNum(static_cast<int>(1));
b.appendNum(static_cast<int>(3));
Message toSend;
toSend.setData(dbKillCursors, b.buf(), b.len());
DbMessage d1(toSend);
ASSERT_EQUALS(3, d1.pullInt());
ASSERT_THROWS(d1.pullInt(), AssertionException);
}
// Try a bad read of a type too large
TEST(DBMessage1, GoodKill2) {
BufBuilder b;
b.appendNum(static_cast<int>(1));
b.appendNum(static_cast<int>(3));
Message toSend;
toSend.setData(dbKillCursors, b.buf(), b.len());
DbMessage d1(toSend);
ASSERT_THROWS(d1.pullInt64(), AssertionException);
}
// Test a basic good insert, and an extra read
TEST(DBMessage1, GoodInsert) {
BufBuilder b;
string ns("test");
b.appendNum(static_cast<int>(1));
b.appendStr(ns);
b.appendNum(static_cast<int>(3));
b.appendNum(static_cast<int>(39));
Message toSend;
toSend.setData(dbInsert, b.buf(), b.len());
DbMessage d1(toSend);
ASSERT_EQUALS(3, d1.pullInt());
ASSERT_EQUALS(39, d1.pullInt());
ASSERT_THROWS(d1.pullInt(), AssertionException);
}
// Test a basic good insert, and an extra read
TEST(DBMessage1, GoodInsert2) {
BufBuilder b;
string ns("test");
b.appendNum(static_cast<int>(1));
b.appendStr(ns);
b.appendNum(static_cast<int>(3));
b.appendNum(static_cast<int>(39));
BSONObj bo = BSON("ts" << 0);
bo.appendSelfToBufBuilder(b);
Message toSend;
toSend.setData(dbInsert, b.buf(), b.len());
DbMessage d1(toSend);
ASSERT_EQUALS(3, d1.pullInt());
ASSERT_EQUALS(39, d1.pullInt());
BSONObj bo2 = d1.nextJsObj();
ASSERT_THROWS(d1.nextJsObj(), AssertionException);
}
} // mongo namespace
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