SERVER-54292 remove dependency on scanning replica set monitor in tenant_migration_recipient_service_tests

5 files changed, 163 insertions, 0 deletions

diff --git a/src/mongo/client/SConscript b/src/mongo/client/SConscript
index e120354b79c..589c74df1af 100644
--- a/src/mongo/client/SConscript
+++ b/src/mongo/client/SConscript
@@ -315,6 +315,18 @@ env.Library(
 )
 
 env.Library(
+    target='replica_set_monitor_test_helper',
+    source=[
+        'streamable_replica_set_monitor_for_testing.cpp',
+    ],
+    LIBDEPS=[
+        '$BUILD_DIR/mongo/client/clientdriver_network',
+        '$BUILD_DIR/mongo/client/sdam/sdam_test',
+        '$BUILD_DIR/mongo/util/net/network',
+    ],
+)
+
+env.Library(
     target='fetcher',
     source=[
         'fetcher.cpp',
diff --git a/src/mongo/client/replica_set_monitor_manager.cpp b/src/mongo/client/replica_set_monitor_manager.cpp
index 0d1d434734e..a21fc832d35 100644
--- a/src/mongo/client/replica_set_monitor_manager.cpp
+++ b/src/mongo/client/replica_set_monitor_manager.cpp
@@ -342,4 +342,10 @@ bool ReplicaSetMonitorManager::isShutdown() const {
 void ReplicaSetMonitorConnectionManager::dropConnections(const HostAndPort& hostAndPort) {
     _network->dropConnections(hostAndPort);
 }
+
+void ReplicaSetMonitorManager::installMonitor_forTests(std::shared_ptr<ReplicaSetMonitor> monitor) {
+    stdx::lock_guard<Latch> lk(_mutex);
+    _monitors[monitor->getName()] = monitor;
+}
+
 }  // namespace mongo
diff --git a/src/mongo/client/replica_set_monitor_manager.h b/src/mongo/client/replica_set_monitor_manager.h
index bde3e41f815..9ce98024c76 100644
--- a/src/mongo/client/replica_set_monitor_manager.h
+++ b/src/mongo/client/replica_set_monitor_manager.h
@@ -156,6 +156,7 @@ public:
 
     bool isShutdown() const;
 
+    void installMonitor_forTests(std::shared_ptr<ReplicaSetMonitor> monitor);
 
 private:
     /**
diff --git a/src/mongo/client/streamable_replica_set_monitor_for_testing.cpp b/src/mongo/client/streamable_replica_set_monitor_for_testing.cpp
new file mode 100644
index 00000000000..e0f582beed6
--- /dev/null
+++ b/src/mongo/client/streamable_replica_set_monitor_for_testing.cpp
@@ -0,0 +1,79 @@
+/**
+ *    Copyright (C) 2021-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    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 Server Side 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 "mongo/client/streamable_replica_set_monitor_for_testing.h"
+
+#include "mongo/executor/network_interface_factory.h"
+#include "mongo/executor/network_interface_thread_pool.h"
+#include "mongo/executor/thread_pool_task_executor.h"
+#include "mongo/rpc/metadata/egress_metadata_hook_list.h"
+
+namespace mongo {
+
+StreamableReplicaSetMonitorForTesting::~StreamableReplicaSetMonitorForTesting() {
+    if (_taskExecutor) {
+        _taskExecutor->shutdown();
+        _taskExecutor->join();
+    }
+
+    if (_replSetMonitor) {
+        ReplicaSetMonitorManager::get()->removeMonitor(_replSetMonitor->getName());
+    }
+}
+
+void StreamableReplicaSetMonitorForTesting::setup(const MongoURI& uri) {
+    auto hookList = std::make_unique<rpc::EgressMetadataHookList>();
+    auto networkConnectionHook = std::make_unique<ReplicaSetMonitorManagerNetworkConnectionHook>();
+
+    std::shared_ptr<executor::NetworkInterface> networkInterface =
+        executor::makeNetworkInterface("ReplicaSetMonitor-TestTaskExecutor",
+                                       std::move(networkConnectionHook),
+                                       std::move(hookList));
+    _connectionManager = std::make_unique<ReplicaSetMonitorConnectionManager>(networkInterface);
+
+    auto pool = std::make_unique<executor::NetworkInterfaceThreadPool>(networkInterface.get());
+
+    _taskExecutor =
+        std::make_shared<executor::ThreadPoolTaskExecutor>(std::move(pool), networkInterface);
+    _taskExecutor->startup();
+
+    _replSetMonitor = std::make_shared<StreamableReplicaSetMonitor>(
+        uri, _taskExecutor, _connectionManager, [] {});
+    auto topologyManager = std::make_unique<sdam::MockTopologyManager>();
+    _topologyManagerPtr = topologyManager.get();
+
+    _replSetMonitor->initForTesting(std::move(topologyManager));
+    ReplicaSetMonitorManager::get()->installMonitor_forTests(_replSetMonitor);
+}
+
+sdam::MockTopologyManager* StreamableReplicaSetMonitorForTesting::getTopologyManager() {
+    return _topologyManagerPtr;
+}
+
+}  // namespace mongo
diff --git a/src/mongo/client/streamable_replica_set_monitor_for_testing.h b/src/mongo/client/streamable_replica_set_monitor_for_testing.h
new file mode 100644
index 00000000000..bc481ad735e
--- /dev/null
+++ b/src/mongo/client/streamable_replica_set_monitor_for_testing.h
@@ -0,0 +1,65 @@
+/**
+ *    Copyright (C) 2021-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    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 Server Side 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/client/replica_set_monitor_manager.h"
+#include "mongo/client/sdam/mock_topology_manager.h"
+#include "mongo/client/streamable_replica_set_monitor.h"
+
+namespace mongo {
+
+/**
+ * Sets up a streamable replica set monitor for testing that does not automatically refresh on its
+ * own, and with configurable topology.
+ */
+class StreamableReplicaSetMonitorForTesting {
+public:
+    ~StreamableReplicaSetMonitorForTesting();
+
+    void setup(const MongoURI& uri);
+
+    sdam::MockTopologyManager* getTopologyManager();
+
+private:
+    // Executor for monitoring replica sets.
+    std::shared_ptr<executor::TaskExecutor> _taskExecutor;
+
+    // Allows closing connections established by the network interface associated with the
+    // _taskExecutor instance
+    std::shared_ptr<ReplicaSetMonitorConnectionManager> _connectionManager;
+
+    // Allows changing replica set topology for mocking replica set targetter response.
+    sdam::MockTopologyManager* _topologyManagerPtr;
+
+    // ReplicaSetMonitorManager only stores weak_ptrs, so we need to keep the monitor alive.
+    std::shared_ptr<StreamableReplicaSetMonitor> _replSetMonitor;
+};
+
+}  // namespace mongo