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%% This library is free software; you can redistribute it and/or modify
%% it under the terms of the GNU Lesser General Public License as
%% published by the Free Software Foundation; either version 2 of the
%% License, or (at your option) any later version.
%%
%% This library is distributed in the hope that it will be useful, but
%% WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%% Lesser General Public License for more details.
%%
%% You should have received a copy of the GNU Lesser General Public
%% License along with this library; if not, write to the Free Software
%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
%% USA
%%
%% @author Richard Carlsson <[email protected]>
%% @copyright 2006 Richard Carlsson
%% @private
%% @see eunit
%% @doc Parse transform for automatic exporting of test functions.
-module(eunit_autoexport).
-include("eunit_internal.hrl").
-export([parse_transform/2]).
parse_transform(Forms, Options) ->
TestSuffix = proplists:get_value(eunit_test_suffix, Options,
?DEFAULT_TEST_SUFFIX),
GeneratorSuffix = proplists:get_value(eunit_generator_suffix,
Options,
?DEFAULT_GENERATOR_SUFFIX),
ExportSuffix = proplists:get_value(eunit_export_suffix, Options,
?DEFAULT_EXPORT_SUFFIX),
F = fun (Form, Set) ->
form(Form, Set, TestSuffix, GeneratorSuffix,
ExportSuffix)
end,
Exports = sets:to_list(lists:foldl(F, sets:new(), Forms)),
rewrite(Forms, Exports).
form({function, _L, Name, 0, _Cs}, S, TestSuffix, GeneratorSuffix,
ExportSuffix) ->
N = atom_to_list(Name),
case lists:suffix(TestSuffix, N) of
true ->
sets:add_element({Name, 0}, S);
false ->
case lists:suffix(GeneratorSuffix, N) of
true ->
sets:add_element({Name, 0}, S);
false ->
case lists:suffix(ExportSuffix, N) of
true ->
sets:add_element({Name, 0}, S);
false ->
S
end
end
end;
form({function, _L, ?DEFAULT_MODULE_WRAPPER_NAME, 1, _Cs}, S, _, _, _) ->
sets:add_element({?DEFAULT_MODULE_WRAPPER_NAME,1}, S);
form(_, S, _, _, _) ->
S.
rewrite([{attribute,_,module,{Name,_Ps}}=M | Fs], Exports) ->
module_decl(Name, M, Fs, Exports);
rewrite([{attribute,_,module,Name}=M | Fs], Exports) ->
module_decl(Name, M, Fs, Exports);
rewrite([F | Fs], Exports) ->
[F | rewrite(Fs, Exports)];
rewrite([], _Exports) ->
[]. %% fail-safe, in case there is no module declaration
rewrite([{function,_,test,0,_}=F | Fs], As, Module, _Test) ->
rewrite(Fs, [F | As], Module, false);
rewrite([F | Fs], As, Module, Test) ->
rewrite(Fs, [F | As], Module, Test);
rewrite([], As, Module, Test) ->
{if Test ->
EUnit = {record_field,0,{atom,0,''},{atom,0,eunit}},
[{function,0,test,0,
[{clause,0,[],[],
[{call,0,{remote,0,EUnit,{atom,0,test}},
[{atom,0,Module}]}]}]}
| As];
true ->
As
end,
Test}.
module_decl(Name, M, Fs, Exports) ->
Module = if is_atom(Name) -> Name;
true -> list_to_atom(packages:concat(Name))
end,
{Fs1, Test} = rewrite(Fs, [], Module, true),
Es = if Test -> [{test,0} | Exports];
true -> Exports
end,
[M, {attribute,0,export,Es} | lists:reverse(Fs1)].
|
