SERVER-34320 Fix index building in embedded.

3 files changed, 29 insertions, 6 deletions

diff --git a/src/mongo/client/embedded/libmongodbcapi_test.cpp b/src/mongo/client/embedded/libmongodbcapi_test.cpp
index 967b59b1acd..918778ff7c8 100644
--- a/src/mongo/client/embedded/libmongodbcapi_test.cpp
+++ b/src/mongo/client/embedded/libmongodbcapi_test.cpp
@@ -173,6 +173,30 @@ TEST_F(MongodbCAPITest, IsMaster) {
     ASSERT(output.getBoolField("ismaster"));
 }
 
+TEST_F(MongodbCAPITest, CreateIndex) {
+    // create the client object
+    auto client = createClient();
+
+    // craft the createIndexes message
+    mongo::BSONObj inputObj = mongo::fromjson(
+        R"raw_delimiter({
+            createIndexes: 'items',
+            indexes: 
+            [
+                {
+                    key: {
+                        task: 1
+                    },
+                    name: 'task_1'
+                }
+            ]
+        })raw_delimiter");
+    auto inputOpMsg = mongo::OpMsgRequest::fromDBAndBody("todo", inputObj);
+    auto output = performRpc(client, inputOpMsg);
+
+    ASSERT(output.getIntField("numIndexesAfter") == output.getIntField("numIndexesBefore") + 1);
+}
+
 TEST_F(MongodbCAPITest, TrimMemory) {
     // create the client object
     auto client = createClient();
diff --git a/src/mongo/client/embedded/replication_coordinator_embedded.cpp b/src/mongo/client/embedded/replication_coordinator_embedded.cpp
index affd8a085ba..2667506d914 100644
--- a/src/mongo/client/embedded/replication_coordinator_embedded.cpp
+++ b/src/mongo/client/embedded/replication_coordinator_embedded.cpp
@@ -129,6 +129,10 @@ WriteConcernOptions ReplicationCoordinatorEmbedded::populateUnsetWriteConcernOpt
     return writeConcern;
 }
 
+bool ReplicationCoordinatorEmbedded::buildsIndexes() {
+    return true;
+}
+
 OpTime ReplicationCoordinatorEmbedded::getCurrentCommittedSnapshotOpTime() const {
     UASSERT_NOT_IMPLEMENTED;
 }
@@ -328,10 +332,6 @@ Status ReplicationCoordinatorEmbedded::processReplSetUpdatePosition(const Update
     UASSERT_NOT_IMPLEMENTED;
 }
 
-bool ReplicationCoordinatorEmbedded::buildsIndexes() {
-    UASSERT_NOT_IMPLEMENTED;
-}
-
 std::vector<HostAndPort> ReplicationCoordinatorEmbedded::getHostsWrittenTo(const OpTime&, bool) {
     UASSERT_NOT_IMPLEMENTED;
 }
diff --git a/src/mongo/client/embedded/replication_coordinator_embedded.h b/src/mongo/client/embedded/replication_coordinator_embedded.h
index 6e6e9368936..8ebd438ea46 100644
--- a/src/mongo/client/embedded/replication_coordinator_embedded.h
+++ b/src/mongo/client/embedded/replication_coordinator_embedded.h
@@ -83,6 +83,7 @@ public:
 
     WriteConcernOptions populateUnsetWriteConcernOptionsSyncMode(WriteConcernOptions wc) override;
 
+    bool buildsIndexes() override;
 
     // Not implemented members that should not be called. Will assert or invariant.
 
@@ -176,8 +177,6 @@ public:
 
     Status processReplSetUpdatePosition(const repl::UpdatePositionArgs&, long long*) override;
 
-    bool buildsIndexes() override;
-
     std::vector<HostAndPort> getHostsWrittenTo(const repl::OpTime&, bool) override;
 
     std::vector<HostAndPort> getOtherNodesInReplSet() const override;