125 lines
5.4 KiB
Erlang
125 lines
5.4 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2020 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_json_SUITE).
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-compile(export_all).
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-compile(nowarn_export_all).
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-include_lib("eunit/include/eunit.hrl").
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-import(emqx_json,
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[ encode/1
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, decode/1
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, decode/2
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]).
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%% copied jiffy/readme
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%%--------------------------------------------------------------------
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%% Erlang JSON Erlang
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%% -------------------------------------------------------------------
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%%
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%% null -> null -> null
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%% true -> true -> true
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%% false -> false -> false
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%% "hi" -> [104, 105] -> [104, 105]
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%% <<"hi">> -> "hi" -> <<"hi">>
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%% hi -> "hi" -> <<"hi">>
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%% 1 -> 1 -> 1
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%% 1.25 -> 1.25 -> 1.25
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%% [] -> [] -> []
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%% [true, 1.0] -> [true, 1.0] -> [true, 1.0]
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%% {[]} -> {} -> {[]}
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%% {[{foo, bar}]} -> {"foo": "bar"} -> {[{<<"foo">>, <<"bar">>}]}
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%% {[{<<"foo">>, <<"bar">>}]} -> {"foo": "bar"} -> {[{<<"foo">>, <<"bar">>}]}
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%% #{<<"foo">> => <<"bar">>} -> {"foo": "bar"} -> #{<<"foo">> => <<"bar">>}
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%%--------------------------------------------------------------------
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%% but in emqx_json, we use the jsx style for it:
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%%--------------------------------------------------------------------
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%% Erlang JSON Erlang
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%% -------------------------------------------------------------------
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%%
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%% null -> null -> null
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%% true -> true -> true
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%% false -> false -> false
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%% "hi" -> [104, 105] -> [104, 105]
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%% <<"hi">> -> "hi" -> <<"hi">>
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%% hi -> "hi" -> <<"hi">>
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%% 1 -> 1 -> 1
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%% 1.25 -> 1.25 -> 1.25
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%% [] -> [] -> []
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%% [true, 1.0] -> [true, 1.0] -> [true, 1.0]
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%m [{}] -> {} -> [{}]
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%a [{<<"foo">>, <<"bar">>}] -> {"foo": "bar"} -> [{<<"foo">>, <<"bar">>}]
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%% #{<<"foo">> => <<"bar">>} -> {"foo": "bar"} -> #{<<"foo">> => <<"bar">>}
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%m #{<<"foo">> => [{}]} NOT SUPPORT
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%%--------------------------------------------------------------------
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all() -> emqx_ct:all(?MODULE).
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t_decode_encode(_) ->
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null = decode(encode(null)),
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true = decode(encode(true)),
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false = decode(encode(false)),
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"hi" = decode(encode("hi")),
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<<"hi">> = decode(encode(hi)),
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1 = decode(encode(1)),
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1.25 = decode(encode(1.25)),
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[] = decode(encode([])),
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[true, 1] = decode(encode([true, 1])),
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[{}] = decode(encode([{}])),
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[{<<"foo">>, <<"bar">>}] = decode(encode([{foo, bar}])),
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[{<<"foo">>, <<"bar">>}] = decode(encode([{<<"foo">>, <<"bar">>}])),
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[[{<<"foo">>, <<"bar">>}]] = decode(encode([[{<<"foo">>, <<"bar">>}]])),
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[[{<<"foo">>, <<"bar">>},
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{<<"a">>, <<"b">>}],
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[{<<"x">>, <<"y">>}]] = decode(encode([[{<<"foo">>, <<"bar">>},
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{<<"a">>, <<"b">>}],
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[{<<"x">>, <<"y">>}]])),
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#{<<"foo">> := <<"bar">>} = decode(encode(#{<<"foo">> => <<"bar">>}), [return_maps]),
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JsonText = <<"{\"bool\":true,\"int\":10,\"foo\":\"bar\"}">>,
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JsonMaps = #{<<"bool">> => true,
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<<"int">> => 10,
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<<"foo">> => <<"bar">>
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},
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?assertEqual(JsonText, encode({decode(JsonText)})),
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?assertEqual(JsonMaps, decode(JsonText, [return_maps])).
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t_safe_decode_encode(_) ->
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safe_encode_decode(null),
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safe_encode_decode(true),
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safe_encode_decode(false),
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"hi" = safe_encode_decode("hi"),
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<<"hi">> = safe_encode_decode(hi),
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1 = safe_encode_decode(1),
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1.25 = safe_encode_decode(1.25),
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[] = safe_encode_decode([]),
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[true, 1] = safe_encode_decode([true, 1]),
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[{}] = decode(encode([{}])),
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[{<<"foo">>, <<"bar">>}] = safe_encode_decode([{foo, bar}]),
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[{<<"foo">>, <<"bar">>}] = safe_encode_decode([{<<"foo">>, <<"bar">>}]),
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[[{<<"foo">>, <<"bar">>}]] = safe_encode_decode([[{<<"foo">>, <<"bar">>}]]),
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{ok, Json} = emqx_json:safe_encode(#{<<"foo">> => <<"bar">>}),
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{ok, #{<<"foo">> := <<"bar">>}} = emqx_json:safe_decode(Json, [return_maps]).
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safe_encode_decode(Term) ->
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{ok, Json} = emqx_json:safe_encode(Term),
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case emqx_json:safe_decode(Json) of
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{ok, {NTerm}} -> NTerm;
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{ok, NTerm} -> NTerm
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end.
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