add unit tests for jsx_to_term, remove integration tests
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alisdair sullivan
parent
bd3a64f457
commit
231a55c7e1
1 changed files with 126 additions and 96 deletions
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@ -91,8 +91,8 @@ handle_event(end_object, {[Object, Last|Terms], Opts}) ->
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handle_event(start_array, {Terms, Opts}) -> {[[]|Terms], Opts};
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handle_event(end_array, {[List, {key, Key}, Last|Terms], Opts}) ->
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{[[{Key, post_decode(lists:reverse(List), Opts)}] ++ Last] ++ Terms, Opts};
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handle_event(end_array, {[Current, Last|Terms], Opts}) ->
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{[[post_decode(lists:reverse(Current), Opts)] ++ Last] ++ Terms, Opts};
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handle_event(end_array, {[List, Last|Terms], Opts}) ->
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{[[post_decode(lists:reverse(List), Opts)] ++ Last] ++ Terms, Opts};
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handle_event({key, Key}, {Terms, Opts}) -> {[{key, format_key(Key, Opts)}] ++ Terms, Opts};
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@ -119,117 +119,147 @@ post_decode(Value, Opts) -> (Opts#opts.post_decode)(Value).
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-ifdef(TEST).
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-include_lib("eunit/include/eunit.hrl").
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basic_test_() ->
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opts_test_() ->
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%% for post_decode tests
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F = fun(X) -> X end,
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G = fun(X, Y) -> {X, Y} end,
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[
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{"empty object", ?_assertEqual(to_term(<<"{}">>, []), [{}])},
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{"simple object", ?_assertEqual(to_term(<<"{\"key\": true}">>, []), [{<<"key">>, true}])},
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{"less simple object", ?_assertEqual(
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to_term(<<"{\"a\": 1, \"b\": 2}">>, []),
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[{<<"a">>, 1}, {<<"b">>, 2}]
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{"empty opts", ?_assertEqual(#opts{}, parse_opts([]))},
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{"implicit binary labels", ?_assertEqual(#opts{}, parse_opts([labels]))},
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{"binary labels", ?_assertEqual(#opts{}, parse_opts([{labels, binary}]))},
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{"atom labels", ?_assertEqual(#opts{labels=atom}, parse_opts([{labels, atom}]))},
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{"existing atom labels", ?_assertEqual(
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#opts{labels=existing_atom},
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parse_opts([{labels, existing_atom}])
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)},
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{"nested object", ?_assertEqual(
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to_term(<<"{\"key\": {\"key\": true}}">>, []),
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[{<<"key">>, [{<<"key">>, true}]}]
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{"post decode", ?_assertEqual(
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#opts{post_decode=F},
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parse_opts([{post_decode, F}])
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)},
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{"empty array", ?_assert(to_term(<<"[]">>, []) =:= [])},
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{"list of lists", ?_assertEqual(to_term(<<"[[],[],[]]">>, []), [[], [], []])},
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{"list of strings", ?_assertEqual(to_term(<<"[\"hi\", \"there\"]">>, []), [<<"hi">>, <<"there">>])},
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{"list of numbers", ?_assertEqual(to_term(<<"[1, 2.0, 3e4, -5]">>, []), [1, 2.0, 3.0e4, -5])},
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{"list of literals", ?_assertEqual(to_term(<<"[true,false,null]">>, []), [true,false,null])},
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{"list of objects", ?_assertEqual(
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to_term(<<"[{}, {\"a\":1, \"b\":2}, {\"key\":[true,false]}]">>, []),
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[[{}], [{<<"a">>,1},{<<"b">>,2}], [{<<"key">>,[true,false]}]]
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{"post decode wrong arity", ?_assertError(badarg, parse_opts([{post_decode, G}]))}
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].
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format_key_test_() ->
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[
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{"binary key", ?_assertEqual(<<"key">>, format_key(<<"key">>, #opts{labels=binary}))},
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{"atom key", ?_assertEqual(key, format_key(<<"key">>, #opts{labels=atom}))},
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{"existing atom key", ?_assertEqual(
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key,
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format_key(<<"key">>, #opts{labels=existing_atom})
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)},
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{"nonexisting atom key", ?_assertError(
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badarg,
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format_key(<<"nonexistentatom">>, #opts{labels=existing_atom})
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)}
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].
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comprehensive_test_() ->
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{"comprehensive test", ?_assertEqual(to_term(comp_json(), []), comp_term())}.
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comp_json() ->
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<<"[
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{\"a key\": {\"a key\": -17.346, \"another key\": 3e152, \"last key\": 14}},
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[0,1,2,3,4,5],
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[{\"a\": \"a\", \"b\": \"b\"}, {\"c\": \"c\", \"d\": \"d\"}],
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[true, false, null],
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{},
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[],
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[{},{}],
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{\"key\": [], \"another key\": {}}
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]">>.
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comp_term() ->
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[
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[{<<"a key">>, [{<<"a key">>, -17.346}, {<<"another key">>, 3.0e152}, {<<"last key">>, 14}]}],
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[0,1,2,3,4,5],
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[[{<<"a">>, <<"a">>}, {<<"b">>, <<"b">>}], [{<<"c">>, <<"c">>}, {<<"d">>, <<"d">>}]],
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[true, false, null],
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[{}],
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[],
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[[{}], [{}]],
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[{<<"key">>, []}, {<<"another key">>, [{}]}]
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].
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atom_labels_test_() ->
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{"atom labels test", ?_assertEqual(to_term(comp_json(), [{labels, atom}]), atom_term())}.
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atom_term() ->
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[
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[{'a key', [{'a key', -17.346}, {'another key', 3.0e152}, {'last key', 14}]}],
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[0,1,2,3,4,5],
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[[{a, <<"a">>}, {b, <<"b">>}], [{'c', <<"c">>}, {'d', <<"d">>}]],
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[true, false, null],
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[{}],
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[],
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[[{}], [{}]],
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[{key, []}, {'another key', [{}]}]
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].
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naked_test_() ->
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[
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{"naked integer", ?_assertEqual(to_term(<<"123">>, []), 123)},
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{"naked float", ?_assertEqual(to_term(<<"-4.32e-17">>, []), -4.32e-17)},
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{"naked literal", ?_assertEqual(to_term(<<"true">>, []), true)},
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{"naked string", ?_assertEqual(to_term(<<"\"string\"">>, []), <<"string">>)}
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].
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post_decoders_test_() ->
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JSON = <<"{\"object\": {
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\"literals\": [true, false, null],
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\"strings\": [\"foo\", \"bar\", \"baz\"],
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\"numbers\": [1, 1.0, 1e0]
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}}">>,
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Events = [
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[{}],
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[{<<"key">>, <<"value">>}],
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[{<<"true">>, true}, {<<"false">>, false}, {<<"null">>, null}],
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[],
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[<<"string">>],
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[true, false, null],
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true,
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false,
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null,
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<<"hello">>,
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<<"world">>,
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1,
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1.0
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],
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[
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{"no post_decode", ?_assertEqual(
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to_term(JSON, []),
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[{<<"object">>, [
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{<<"literals">>, [true, false, null]},
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{<<"strings">>, [<<"foo">>, <<"bar">>, <<"baz">>]},
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{<<"numbers">>, [1, 1.0, 1.0]}
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]}]
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Events,
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[ post_decode(Event, #opts{}) || Event <- Events ]
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)},
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{"replace arrays with empty arrays", ?_assertEqual(
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to_term(JSON, [{post_decode, fun([T|_] = V) when is_tuple(T) -> V; (V) when is_list(V) -> []; (V) -> V end}]),
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[{<<"object">>, [{<<"literals">>, []}, {<<"strings">>, []}, {<<"numbers">>, []}]}]
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[
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[{}],
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[{<<"key">>, <<"value">>}],
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[{<<"true">>, true}, {<<"false">>, false}, {<<"null">>, null}],
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[],
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[],
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[],
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true,
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false,
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null,
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<<"hello">>,
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<<"world">>,
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1,
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1.0
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],
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[ post_decode(Event, #opts{
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post_decode=fun([T|_] = V) when is_tuple(T) -> V; (V) when is_list(V) -> []; (V) -> V end
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}) || Event <- Events
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]
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)},
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{"replace objects with empty objects", ?_assertEqual(
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to_term(JSON, [{post_decode, fun(V) when is_list(V) -> [{}]; (V) -> V end}]),
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[{}]
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[
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[{}],
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[{}],
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[{}],
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[],
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[<<"string">>],
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[true, false, null],
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true,
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false,
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null,
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<<"hello">>,
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<<"world">>,
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1,
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1.0
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],
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[ post_decode(Event, #opts{
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post_decode=fun([T|_]) when is_tuple(T) -> [{}]; (V) -> V end
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}) || Event <- Events
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]
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)},
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{"replace all non-list values with false", ?_assertEqual(
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to_term(JSON, [{post_decode, fun(V) when is_list(V) -> V; (_) -> false end}]),
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[{<<"object">>, [
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{<<"literals">>, [false, false, false]},
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{<<"strings">>, [false, false, false]},
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{<<"numbers">>, [false, false, false]}
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]}]
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{"replace all non-array/non-object values with false", ?_assertEqual(
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[
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[{}],
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[{<<"key">>, <<"value">>}],
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[{<<"true">>, true}, {<<"false">>, false}, {<<"null">>, null}],
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[],
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[<<"string">>],
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[true, false, null],
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false,
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false,
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false,
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false,
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false,
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false,
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false
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],
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[ post_decode(Event, #opts{
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post_decode=fun(V) when is_list(V) -> V; (_) -> false end
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}) || Event <- Events
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]
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)},
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{"atoms_to_strings", ?_assertEqual(
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to_term(JSON, [{post_decode, fun(V) when is_atom(V) -> unicode:characters_to_binary(atom_to_list(V)); (V) -> V end}]),
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[{<<"object">>, [
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{<<"literals">>, [<<"true">>, <<"false">>, <<"null">>]},
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{<<"strings">>, [<<"foo">>, <<"bar">>, <<"baz">>]},
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{<<"numbers">>, [1, 1.0, 1.0]}
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]}]
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[
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[{}],
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[{<<"key">>, <<"value">>}],
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[{<<"true">>, true}, {<<"false">>, false}, {<<"null">>, null}],
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[],
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[<<"string">>],
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[true, false, null],
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<<"true">>,
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<<"false">>,
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<<"null">>,
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<<"hello">>,
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<<"world">>,
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1,
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1.0
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],
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[ post_decode(Event, #opts{
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post_decode=fun(V) when is_atom(V) -> unicode:characters_to_binary(atom_to_list(V)); (V) -> V end
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}) || Event <- Events
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]
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)}
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].
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