54 lines
1.7 KiB
Erlang
54 lines
1.7 KiB
Erlang
%% Copyright (C) 2026 Fluxer Contributors
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%%
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%% This file is part of Fluxer.
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%%
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%% Fluxer is free software: you can redistribute it and/or modify
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%% it under the terms of the GNU Affero General Public License as published by
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%% the Free Software Foundation, either version 3 of the License, or
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%% (at your option) any later version.
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%%
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%% Fluxer is distributed in the hope that it will be useful,
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%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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%% GNU Affero General Public License for more details.
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%%
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%% You should have received a copy of the GNU Affero General Public License
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%% along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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-module(guild_ets_utils).
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-export([ensure_table/2]).
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-spec ensure_table(atom(), list()) -> ok.
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ensure_table(TableName, Options) ->
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case ets:whereis(TableName) of
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undefined ->
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try ets:new(TableName, Options) of
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_ -> ok
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catch
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error:badarg -> ok
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end;
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_ ->
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ok
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end.
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-ifdef(TEST).
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-include_lib("eunit/include/eunit.hrl").
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ensure_table_creates_new_table_test() ->
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TableName = guild_ets_utils_test_table,
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catch ets:delete(TableName),
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ok = ensure_table(TableName, [named_table, public, set]),
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?assertNotEqual(undefined, ets:whereis(TableName)),
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ets:delete(TableName).
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ensure_table_idempotent_test() ->
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TableName = guild_ets_utils_test_idempotent,
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catch ets:delete(TableName),
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ok = ensure_table(TableName, [named_table, public, set]),
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ok = ensure_table(TableName, [named_table, public, set]),
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?assertNotEqual(undefined, ets:whereis(TableName)),
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ets:delete(TableName).
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-endif.
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