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fix(dialyzer): guard test can never succeed

This commit is contained in:
Shawn 2021-06-16 14:13:20 +08:00
parent 1e14a6086e
commit 56c6cf560a
1 changed files with 13 additions and 9 deletions
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22
apps/emqx_plugin_libs/src/emqx_plugin_libs_ssl.erl
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@ -53,8 +53,8 @@ save_files_return_opts(Options, SubDir, ResId) ->
%% Returns ssl options for Erlang's ssl application.
-spec save_files_return_opts(opts_input(), file:name_all()) -> opts().
save_files_return_opts(Options, Dir) ->
GetD = fun(Key, Default) -> maps:get(key_to_atom(Key), Options, Default) end,
Get = fun(Key) -> GetD(key_to_atom(Key), undefined) end,
GetD = fun(Key, Default) -> fuzzy_map_get(Key, Options, Default) end,
Get = fun(Key) -> GetD(Key, undefined) end,
KeyFile = Get(keyfile),
CertFile = Get(certfile),
CAFile = GetD(cacertfile, Get(cafile)),
@ -77,7 +77,7 @@ save_files_return_opts(Options, Dir) ->
-spec save_file(file_input(), atom() | string() | binary()) -> string().
save_file(Param, SubDir) ->
Dir = filename:join([emqx:get_env(data_dir), SubDir]),
do_save_file( Param, Dir).
do_save_file(Param, Dir).
filter([]) -> [];
filter([{_, ""} | T]) -> filter(T);
@ -86,10 +86,10 @@ filter([H | T]) -> [H | filter(T)].
do_save_file(#{filename := FileName, file := Content}, Dir)
when FileName =/= undefined andalso Content =/= undefined ->
do_save_file(ensure_str(FileName), iolist_to_binary(Content), Dir);
do_save_file(FilePath, _) when is_binary(FilePath) ->
ensure_str(FilePath);
do_save_file(FilePath, _) when is_list(FilePath) ->
FilePath;
do_save_file(FilePath, _) when is_binary(FilePath) ->
ensure_str(FilePath);
do_save_file(_, _) -> "".
do_save_file("", _, _Dir) -> ""; %% ignore
@ -108,7 +108,11 @@ do_save_file(FileName, Content, Dir) ->
ensure_str(L) when is_list(L) -> L;
ensure_str(B) when is_binary(B) -> unicode:characters_to_list(B, utf8).
key_to_atom(B) when is_binary(B) ->
binary_to_atom(B, utf8);
key_to_atom(A) when is_atom(A) ->
A.
-spec fuzzy_map_get(atom() | binary(), map(), any()) -> any().
fuzzy_map_get(Key, Options, Default) ->
case maps:find(Key, Options) of
{ok, Val} -> Val;
error when is_atom(Key) ->
fuzzy_map_get(atom_to_binary(Key, utf8), Options, Default);
error -> Default
end.