/* ****************************************************************************
*
* setWriteConcern -
*/
bool setWriteConcern
(
DBClientBase* connection,
const WriteConcern& wc,
std::string* err
)
{
LM_T(LmtMongo, ("setWritteConcern(): '%d'", wc.nodes()));
try
{
connection->setWriteConcern(wc);
LM_I(("Database Operation Successful (setWriteConcern: %d)", wc.nodes()));
}
catch (const std::exception &e)
{
// FIXME: include wc.nodes() in the output message, + operator doesn't work with integers
std::string msg = std::string("setWritteConcern(): ") + /*wc.nodes() +*/
" - exception: " + e.what();
*err = "Database Error (" + msg + ")";
LM_E((err->c_str()));
return false;
}
catch (...)
{
// FIXME: include wc.nodes() in the output message, + operator doesn't work with integers
std::string msg = std::string("setWritteConcern(): ") + /*wc.nodes() + */
" - exception: generic";
*err = "Database Error (" + msg + ")";
LM_E((err->c_str()));
return false;
}
return true;
}
TEST(WriteConcern, DefaultToBSON) {
BSONObj result;
WriteConcern wc;
ASSERT_EQUALS(wc.nodes(), 1);
result = wc.obj();
ASSERT_FALSE(result.hasField("w"));
ASSERT_FALSE(result.hasField("j"));
ASSERT_FALSE(result.hasField("fsync"));
ASSERT_FALSE(result.hasField("wtimeout"));
}
TEST(WriteConcern, Defaults) {
WriteConcern wc;
ASSERT_FALSE(wc.hasMode());
ASSERT_EQUALS(wc.nodes(), 1);
ASSERT_FALSE(wc.journal());
ASSERT_FALSE(wc.fsync());
ASSERT_EQUALS(wc.timeout(), 0);
}
TEST(WriteConcern, NeedsGLE) {
WriteConcern wc;
ASSERT_TRUE(wc.requiresConfirmation());
wc.nodes(0);
ASSERT_FALSE(wc.requiresConfirmation());
wc.nodes(3);
ASSERT_TRUE(wc.requiresConfirmation());
}
TEST(WriteConcern, Chain) {
WriteConcern wc = WriteConcern().nodes(2).journal(true);
ASSERT_EQUALS(wc.nodes(), 2);
ASSERT_FALSE(wc.hasMode());
ASSERT_TRUE(wc.journal());
// should be defaults
ASSERT_FALSE(wc.fsync());
ASSERT_EQUALS(wc.timeout(), 0);
}
TEST(WriteConcern, NodesString) {
BSONObj result;
WriteConcern wc;
wc.nodes(3);
ASSERT_FALSE(wc.hasMode());
ASSERT_EQUALS(wc.nodes(), 3);
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].Int(), 3);
wc.mode(WriteConcern::kMajority);
ASSERT_TRUE(wc.hasMode());
ASSERT_EQUALS(wc.mode(), string(WriteConcern::kMajority));
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].String(), string(WriteConcern::kMajority));
wc.nodes(5);
ASSERT_FALSE(wc.hasMode());
ASSERT_EQUALS(wc.nodes(), 5);
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].Int(), 5);
}