/* Part of SWI-Prolog Author: Jan Wielemaker E-mail: J.Wielemaker@uva.nl WWW: http://www.swi-prolog.org Copyright (C): 2010, University of Amsterdam This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU 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 As a special exception, if you link this library with other files, compiled with a Free Software compiler, to produce an executable, this library does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. */ :- module(test_rdf, [ suite/1, % +Test-number test_dir/1, % +Directory test_file/1, % +File time_file/1, % +File passed/1, % +Test-numberOrFile test_rdf/0, % run whole suite show_ok/1 % +Test ]). :- multifile user:file_search_path/2. user:file_search_path(library, .). user:file_search_path(library, '../sgml'). user:file_search_path(library, '../clib'). user:file_search_path(library, '..'). user:file_search_path(foreign, '../sgml'). user:file_search_path(foreign, '../clib'). user:file_search_path(foreign, '../semweb'). :- use_module(library(sgml)). :- use_module(library(semweb/rdf_compare)). :- use_module(library(rdf_parser)). :- use_module(library(rdf_triple)). :- use_module(library(rdf)). :- use_module(pretty_print). /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Test file for the SWI-Prolog RDF parser. Toplevel predicates: # test/0 Run all tests from the `suite' directory and validate the the result if the correct result is stored in a .ok file. # suite(N) Run test on suite/t.rdf, showing RDF, intermediate representation and triples on the console. # passed(N) Parse suite/t.rdf and save the result in suite/t.ok The intention is to write tests, use suite/1 to make sure they are parsed correctly and then run passed/1 to save the correct answer, so running test/0 can validate all results. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ suite(N) :- atomic_list_concat(['suite/t', N, '.rdf'], File), test_file(File). test_file(File) :- rdf_reset_ids, format('************* Test ~w ***~n', [File]), cat(File), load_structure(File, [ RDFElement ], [ dialect(xmlns), space(sgml) ]), rdf_start_file([], Cleanup), make_rdf_state([base_uri('http://test.org/test/')], State, _), xml_to_plrdf(RDFElement, RDF, State), rdf_end_file(Cleanup), format('============= Prolog term ==============~n', []), pretty_print(RDF), rdf_triples(RDF, Triples), format('============= Triples ==================~n', []), write_triples(Triples). time_file(File) :- time(load_rdf(File, Triples)), length(Triples, Len), format('Created ~w triples~n', [Len]). passed(Id) :- integer(Id), !, atomic_list_concat(['suite/t', Id, '.rdf'], File), passed(File). passed(File) :- rdf_reset_ids, ok_file(File, OkFile), load_rdf(File, Triples), open(OkFile, write, Fd, [encoding(utf8)]), save_triples(Triples, Fd), close(Fd), length(Triples, N), format('Saved ~d triples to ~w~n', [N, OkFile]). :- dynamic failed/1. test_rdf :- test(load_rdf), test(process_rdf). test(How) :- retractall(failed(_)), test_dir(suite, How), findall(F, failed(F), Failed), ( Failed == [] -> true ; length(Failed, N), format('ERROR: ~w tests failed~n', [N]), fail ). test_dir(Dir) :- test_dir(Dir, load_rdf). test_dir(Dir, How) :- format('Tests from "~w" [~w]: ', [Dir, How]), atom_concat(Dir, '/*.rdf', Pattern), expand_file_name(Pattern, TestFiles), maplist(test(How), TestFiles), format(' done~n'). test(How, File) :- format('.'), flush_output, rdf_reset_ids, ok_file(File, OkFile), ( call(How, File, Triples) -> ( catch(open(OkFile, read, Fd, [encoding(utf8)]), _, fail) -> ( read_triples(Fd, OkTriples), close(Fd), rdf_equal_graphs(Triples, OkTriples, _Subst) -> true ; assert(failed(File)), format('~N~w: WRONG ANSWER~n', [File]) ) ; format('~N~w: (no .ok file)~n', [File]) ) ; assert(failed(File)), format('~N~w: PARSE FAILED~n', [File]) ). ok_file(File, OkFile) :- file_base_name(File, BaseFile), file_name_extension(Base, _, BaseFile), file_directory_name(File, Dir), atomic_list_concat([Dir, /, ok, /, Base, '.ok'], OkFile). save_triples([], _). save_triples([H|T], Fd) :- format(Fd, '~q.~n', [H]), save_triples(T, Fd). read_triples(Fd, Terms) :- read(Fd, T0), read_triples(T0, Fd, Terms). read_triples(end_of_file, _, []) :- !. read_triples(rdf(S0,P0,O0), Fd, [rdf(S,P,O)|R]) :- global_ref(S0, S), global_ref(P0, P), global_obj(O0, O), read(Fd, T1), read_triples(T1, Fd, R). global_ref(rdf:Local, Global) :- rdf_name_space(NS), !, atom_concat(NS, Local, Global). global_ref(NS:Local, Global) :- !, atom_concat(NS, Local, Global). global_ref(URI, URI). global_obj(literal(X), literal(X)) :- !. global_obj(Local, Global) :- global_ref(Local, Global). write_triples([]) :- !. write_triples([H|T]) :- !, write_triple(H), write_triples(T). write_triple(Triple) :- is_rdf_triple(Triple), !, Triple = rdf(S,P,O), format('{~q, ~q, ~q}~n', [S,P,O]). write_triple(Triple) :- format('@@@@@ Bad Triple: ~p~n', [Triple]), fail. cat(File) :- open(File, read, Fd), copy_stream_data(Fd, user_output), close(Fd). :- dynamic triple/1. process_rdf(File, Triples) :- retractall(triple(_)), process_rdf(File, assert_triples, []), findall(T, retract(triple(T)), Triples). assert_triples([], _). assert_triples([H|T], Loc) :- assert(triple(H)), assert_triples(T, Loc). /******************************* * VALIDATE * *******************************/ is_rdf_triple(rdf(Subject, Predicate, Object)) :- is_subject(Subject), is_predicate(Predicate), is_object(Object). is_subject(0) :- !, fail. % Variables is_subject(URI) :- is_uri(URI), !. is_subject(each(URI)) :- is_uri(URI), !. is_subject(prefix(Pattern)) :- atom(Pattern), !. is_predicate(0) :- !, fail. is_predicate(rdf:RdfPred) :- !, is_rdf_predicate(RdfPred). is_predicate(NS:Pred) :- !, atom(NS), atom(Pred). is_predicate(Pred) :- atom(Pred). is_object(0) :- !, fail. is_object(literal(XML)) :- !, is_xml(XML). is_object(rdf:RdfType) :- !, is_rdf_type(RdfType). is_object(URI) :- is_uri(URI). is_object(Subject) :- is_subject(Subject), !. is_object(Pred) :- is_predicate(Pred), !. is_uri(URI) :- atom(URI). is_xml(_XML). % for now is_rdf_predicate(RdfPred) :- atom(RdfPred). is_rdf_type(RdfType) :- atom(RdfType). /******************************* * UTIL * *******************************/ % find_rdf(+XMLTerm, -RDFTerm) % % If the document contains an embedded RDF term, return it, else % return the whole document. The latter is a bit dubious, but good % for the purpose of this test-file find_rdf(Term, RDFTerm) :- RDFTerm = element(NS:'RDF', _, _), term_member(RDFTerm, Term), !, ( rdf_name_space(NS) -> true ; assert(rdf_parser:rdf_name_space(NS)), assert(new_rdf_namespace(NS)) ). find_rdf(Term, Term). term_member(X, X). term_member(X, Compound) :- compound(Compound), arg(_, Compound, Arg), term_member(X, Arg). /******************************* * SHOW DIAGRAM * *******************************/ show_ok(Test) :- ok_file(Test, File), open(File, read, Fd, [encoding(utf8)]), read_triples(Fd, OkTriples), close(Fd), new(D, rdf_diagram(string('Ok for %s', File))), send(D, triples, OkTriples), send(D, open).