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|
-module(showtime_ffi).
-export([run_test/4, functions/0, capture_output/1, gleam_error/1]).
gleam_error(Value) ->
erlang:error(#{
gleam_error => let_assert,
message => <<"Assertion pattern match failed"/utf8>>,
value => Value,
module => <<"this/is/not/used"/utf8>>,
function => <<"gleam_error"/utf8>>,
% Not used
line => 0
}).
start_output_capture(Capture) ->
OldGroupLeader = group_leader(),
CapturePid = spawn(showtime_ffi, capture_output, [{[], {OldGroupLeader, Capture}}]),
group_leader(CapturePid, self()),
{CapturePid, OldGroupLeader}.
stop_output_capture({CapturePid, OldGroupLeader}) ->
group_leader(OldGroupLeader, self()),
CapturePid ! {capture_done, self()},
receive
Buffer ->
Buffer
end.
capture_output({Buffer, {OldGroupLeader, Capture}}) ->
receive
{io_request, From, ReplyAs, {put_chars, unicode, BitString}} ->
case Capture of
yes ->
From ! {io_reply, ReplyAs, ok},
capture_output({[BitString | Buffer], {OldGroupLeader, Capture}});
mixed ->
OldGroupLeader ! {io_request, From, ReplyAs, {put_chars, unicode, BitString}},
capture_output({[BitString | Buffer], {OldGroupLeader, Capture}});
no ->
OldGroupLeader ! {io_request, From, ReplyAs, {put_chars, unicode, BitString}},
capture_output({Buffer, {OldGroupLeader, Capture}})
end;
{capture_done, SenderPid} ->
SenderPid ! Buffer;
OtherMessage ->
OldGroupLeader ! OtherMessage,
capture_output({Buffer, {OldGroupLeader, Capture}})
end.
run_test(Module, Function, IgnoreTags, Capture) ->
OutputCapture = start_output_capture(Capture),
try
Result = apply(Module, Function, []),
{ResultType, FinalResult} =
case Result of
{test, {meta, _Description, Tags}, TestFun} ->
case
lists:any(
fun(Tag) ->
lists:any(fun(IgnoreTag) -> IgnoreTag == Tag end, IgnoreTags)
end,
Tags
)
of
true ->
{ignored, ignore};
false ->
{test_function_return, TestFun()}
end;
DirectResult ->
{test_function_return, DirectResult}
end,
OutputCaptureBuffer = stop_output_capture(OutputCapture),
case ResultType of
ignored -> {ok, {ResultType, FinalResult}};
_ -> {ok, {ResultType, FinalResult, OutputCaptureBuffer}}
end
catch
Class:Reason:Stacktrace ->
GleamReason =
case Reason of
{Assertion, ReasonList} ->
ErlangReasonList =
lists:map(
fun(ReasonDetail) ->
case ReasonDetail of
{line, LineNo} ->
{reason_line, LineNo};
{expression, List} ->
{expression, list_to_binary(List)};
{module, ModuleAtom} ->
{module, atom_to_binary(ModuleAtom)};
{pattern, Pattern} ->
{pattern, list_to_binary(Pattern)};
Other ->
Other
end
end,
ReasonList
),
GleamAssertionType =
case Assertion of
assertEqual ->
assert_equal;
assertNotEqual ->
assert_not_equal;
assertMatch ->
assert_match;
OtherAssertionType ->
OtherAssertionType
end,
{GleamAssertionType, ErlangReasonList};
#{
function := GleamFunction,
gleam_error := GleamError,
line := Line,
message := Message,
module := GleamModule,
value := Value
} ->
case Value of
{error, {OkValue, _, _, _}} when OkValue == not_eq; OkValue == eq ->
{gleam_error,
{GleamError, GleamModule, GleamFunction, Line, Message, Value}};
{error, {OkValue, _, _}} when OkValue == is_ok; OkValue == is_error ->
{gleam_error,
{GleamError, GleamModule, GleamFunction, Line, Message, Value}};
{error, {OkValue, _}} when OkValue == fail ->
{gleam_error,
{GleamError, GleamModule, GleamFunction, Line, Message, Value}};
_ ->
{gleam_assert, Value, Line}
end;
OtherReason ->
{generic_exception, OtherReason}
end,
GleamClass =
case Class of
error ->
erlang_error;
Other ->
Other
end,
GleamTraceList =
lists:map(
fun(Trace) ->
case Trace of
{ModuleName, FunctionName, Arity, ExtraInfoList} ->
{trace_module, atom_to_binary(ModuleName),
atom_to_binary(FunctionName), map_arity(Arity),
map_extra_info_list(ExtraInfoList)};
{FunctionName, Arity, ExtraInfoList} ->
{trace, atom_to_binary(FunctionName), map_arity(Arity),
map_extra_info_list(ExtraInfoList)}
end
end,
Stacktrace
),
OutputCaptureBufferCatch = stop_output_capture(OutputCapture),
{error,
{erlang_exception, GleamClass, GleamReason, {trace_list, GleamTraceList},
OutputCaptureBufferCatch}}
end.
map_extra_info_list(ExtraInfoList) ->
lists:map(
fun(ExtraInfo) ->
case ExtraInfo of
{file, FileNameList} -> {file, list_to_binary(FileNameList)};
Other -> Other
end
end,
ExtraInfoList
).
map_arity(Arity) ->
if
is_list(Arity) ->
{arg_list, Arity};
is_integer(Arity) ->
{num, Arity}
end.
functions() ->
Funs = module_info(exports),
Funs.
|
