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jsx_terms functional, could use more tests

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This commit is contained in:
alisdair sullivan 2011-11-28 15:15:11 -08:00
parent 455b1ce85c
commit adc453b226
1 changed files with 75 additions and 7 deletions
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82
src/jsx_terms.erl
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@ -42,7 +42,7 @@ to_term(Source, Opts) when (is_binary(Source) andalso is_list(Opts))
init(Opts) -> {[], parse_opts(Opts)}.
init(Opts) -> {[[]], parse_opts(Opts)}.
parse_opts(Opts) -> parse_opts(Opts, #opts{}).
@ -74,13 +74,31 @@ extract_parser_opts([K|Rest], Acc) ->
end.
handle_event(end_json, {[Term], _Opts}) -> Term;
handle_event(end_json, {[[Terms]], _Opts}) -> Terms;
handle_event(start_object, {Term, Opts}) -> {[[]|Term], Opts};
handle_event(end_object, {[[]|Term], Opts}) -> {[[{}]|Term], Opts};
handle_event(start_object, {Terms, Opts}) -> {[[]|Terms], Opts};
handle_event(end_object, {[[], {key, Key}, Last|Terms], Opts}) ->
{[[{Key, [{}]}] ++ Last] ++ Terms, Opts};
handle_event(end_object, {[Object, {key, Key}, Last|Terms], Opts}) ->
{[[{Key, lists:reverse(Object)}] ++ Last] ++ Terms, Opts};
handle_event(end_object, {[[], Last|Terms], Opts}) ->
{[[[{}]] ++ Last] ++ Terms, Opts};
handle_event(end_object, {[Object, Last|Terms], Opts}) ->
{[[lists:reverse(Object)] ++ Last] ++ Terms, Opts};
handle_event(start_array, {Terms, Opts}) -> {[[]|Terms], Opts};
handle_event(end_array, {[List, {key, Key}, Last|Terms], Opts}) ->
{[[{Key, lists:reverse(List)}] ++ Last] ++ Terms, Opts};
handle_event(end_array, {[Current, Last|Terms], Opts}) ->
{[[lists:reverse(Current)] ++ Last] ++ Terms, Opts};
handle_event({key, Key}, {Terms, Opts}) -> {[{key, Key}] ++ Terms, Opts};
handle_event({_, Event}, {[{key, Key}, Last|Terms], Opts}) ->
{[[{Key, Event}] ++ Last] ++ Terms, Opts};
handle_event({_, Event}, {[Last|Terms], Opts}) ->
{[[Event] ++ Last] ++ Terms, Opts}.
handle_event(start_array, {Term, Opts}) -> {[[]|Term], Opts};
handle_event(end_array, {Term, Opts}) -> {Term, Opts}.
%% eunit tests
@ -91,7 +109,57 @@ handle_event(end_array, {Term, Opts}) -> {Term, Opts}.
basic_test_() ->
[
{"empty object", ?_assert(to_term(<<"{}">>, []) =:= [{}])},
{"empty array", ?_assert(to_term(<<"[]">>, []) =:= [])}
{"simple object", ?_assert(to_term(<<"{\"key\": true}">>, []) =:= [{<<"key">>, true}])},
{"less simple object",
?_assert(to_term(<<"{\"a\": 1, \"b\": 2}">>, []) =:= [{<<"a">>, 1}, {<<"b">>, 2}])
},
{"nested object",
?_assert(to_term(<<"{\"key\": {\"key\": true}}">>, []) =:= [{<<"key">>, [{<<"key">>, true}]}])
},
{"empty array", ?_assert(to_term(<<"[]">>, []) =:= [])},
{"list of lists",
?_assert(to_term(<<"[[],[],[]]">>, []) =:= [[], [], []])
},
{"list of strings",
?_assert(to_term(<<"[\"hi\", \"there\"]">>, []) =:= [<<"hi">>, <<"there">>])
},
{"list of numbers",
?_assert(to_term(<<"[1, 2.0, 3e4, -5]">>, []) =:= [1, 2.0, 3.0e4, -5])
},
{"list of literals",
?_assert(to_term(<<"[true,false,null]">>, []) =:= [true,false,null])
},
{"list of objects",
?_assert(to_term(<<"[{}, {\"a\":1, \"b\":2}, {\"key\":[true,false]}]">>, [])
=:= [[{}], [{<<"a">>,1},{<<"b">>,2}], [{<<"key">>,[true,false]}]])
}
].
comprehensive_test_() ->
{"comprehensive test", ?_assert(to_term(comp_json(), []) =:= comp_term())}.
comp_json() ->
<<"[
{\"a key\": {\"a key\": -17.346, \"another key\": 3e152, \"last key\": 14}},
[0,1,2,3,4,5],
[{\"a\": \"a\", \"b\": \"b\"}, {\"c\": \"c\", \"d\": \"d\"}],
[true, false, null],
{},
[],
[{},{}],
{\"key\": [], \"another key\": {}}
]">>.
comp_term() ->
[
[{<<"a key">>, [{<<"a key">>, -17.346}, {<<"another key">>, 3.0e152}, {<<"last key">>, 14}]}],
[0,1,2,3,4,5],
[[{<<"a">>, <<"a">>}, {<<"b">>, <<"b">>}], [{<<"c">>, <<"c">>}, {<<"d">>, <<"d">>}]],
[true, false, null],
[{}],
[],
[[{}], [{}]],
[{<<"key">>, []}, {<<"another key">>, [{}]}]
].
-endif.