C++ (Cpp) mock_server_replies_to_find Examples

Example #1

File: test-mongoc-read-prefs.c Project: acmorrow/mongo-c-driver

/* test that we add readConcern only inside $query, not outside it too */
static void
test_mongos_read_concern (void)
{
   mock_server_t *server;
   mongoc_client_t *client;
   mongoc_collection_t *collection;
   mongoc_read_prefs_t *prefs;
   mongoc_cursor_t *cursor;
   const bson_t *doc;
   future_t *future;
   request_t *request;

   server = mock_mongos_new (WIRE_VERSION_READ_CONCERN);
   mock_server_run (server);
   client = mongoc_client_new_from_uri (mock_server_get_uri (server));
   collection = mongoc_client_get_collection (client, "test", "test");
   prefs = mongoc_read_prefs_new (MONGOC_READ_SECONDARY);
   cursor = mongoc_collection_find_with_opts (
      collection,
      tmp_bson ("{'a': 1}"),
      tmp_bson ("{'readConcern': {'level': 'foo'}}"),
      prefs);

   future = future_cursor_next (cursor, &doc);
   request = mock_server_receives_command (
      server,
      "test",
      MONGOC_QUERY_SLAVE_OK,
      "{"
      "  '$query': {"
      "    'find': 'test', 'filter': {}, 'readConcern': {'level': 'foo'}"
      "  },"
      "  '$readPreference': {"
      "    'mode': 'secondary'"
      "  },"
      "  'readConcern': {'$exists': false}"
      "}");

   mock_server_replies_to_find (
      request, MONGOC_QUERY_SLAVE_OK, 0, 1, "db.collection", "{}", true);

   /* mongoc_cursor_next returned true */
   BSON_ASSERT (future_get_bool (future));

   request_destroy (request);
   future_destroy (future);
   mongoc_cursor_destroy (cursor);
   mongoc_read_prefs_destroy (prefs);
   mongoc_collection_destroy (collection);
   mongoc_client_destroy (client);
   mock_server_destroy (server);
}

Example #2

static void
test_exhaust (void)
{
   mock_server_t *server;
   mongoc_client_t *client;
   mongoc_collection_t *collection;
   mongoc_cursor_t *cursor;
   request_t *request;
   future_t *future;
   const bson_t *doc;
   bson_error_t error;

   server = mock_server_with_autoismaster (WIRE_VERSION_FIND_CMD);
   mock_server_run (server);
   client = mongoc_client_new_from_uri (mock_server_get_uri (server));
   collection = mongoc_client_get_collection (client, "db", "collection");
   cursor = mongoc_collection_find_with_opts (collection,
                                              tmp_bson (NULL),
                                              NULL,
                                              tmp_bson ("{'exhaust': true}"));

   future = future_cursor_next (cursor, &doc);

   /* Find, getMore and killCursors commands spec: "The find command does not
    * support the exhaust flag from OP_QUERY. Drivers that support exhaust MUST
    * fallback to existing OP_QUERY wire protocol messages."
    */
   request = mock_server_receives_request (server);
   mock_server_replies_to_find (
      request, MONGOC_QUERY_SLAVE_OK | MONGOC_QUERY_EXHAUST,
      0, 0, "db.collection", "{}", false /* is_command */);

   ASSERT (future_get_bool (future));
   ASSERT_OR_PRINT (!mongoc_cursor_error (cursor, &error), error);

   request_destroy (request);
   future_destroy (future);
   mongoc_cursor_destroy (cursor);
   mongoc_collection_destroy (collection);
   mongoc_client_destroy (client);
   mock_server_destroy (server);
}