159 lines
4.3 KiB
Prolog
159 lines
4.3 KiB
Prolog
/* $Id$
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Part of SWI-Prolog
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Author: Jan Wielemaker
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E-mail: wielemak@science.uva.nl
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WWW: http://www.swi-prolog.org
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Copyright (C): 1985-2007, University of Amsterdam
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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As a special exception, if you link this library with other files,
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compiled with a Free Software compiler, to produce an executable, this
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library does not by itself cause the resulting executable to be covered
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by the GNU General Public License. This exception does not however
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invalidate any other reasons why the executable file might be covered by
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the GNU General Public License.
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*/
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:- module(test_rdf_write,
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[ test_write/0,
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run_tests/0,
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run_tests/1
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]).
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:- use_module(library(plunit)).
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:- use_module(library(rdf_write)).
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:- use_module(library(sgml)).
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:- use_module(library(lists)).
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:- use_module(library(debug)).
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:- use_module(library(semweb/rdf_db)).
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:- use_module(library(rdf)).
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:- expects_dialect(swi).
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:- assert(system:swi_io).
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test_write :-
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run_tests([ rdf_write
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]).
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/*******************************
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* ROUND TRIP *
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*******************************/
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test_graph(Triples) :-
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tmp_file(rdf, Tmp),
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open(Tmp, write, Out, [encoding(utf8)]),
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rdf_write_xml(Out, Triples),
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close(Out),
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load_rdf(Tmp, ReadTriples),
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delete_file(Tmp),
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compare_triples(Triples, ReadTriples, _).
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/*******************************
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* COMPARING *
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*******************************/
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% compare_triples(+PlRDF, +NTRDF, -Substitions)
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%
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% Compare two models and if they are equal, return a list of
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% PlID = NTID, mapping NodeID elements.
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compare_triples(A, B, Substitutions) :-
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compare_list(A, B, [], Substitutions), !.
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compare_list([], [], S, S).
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compare_list([H1|T1], In2, S0, S) :-
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select(H2, In2, T2),
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compare_triple(H1, H2, S0, S1),
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compare_list(T1, T2, S1, S).
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compare_triple(rdf(Subj1,P1,O1), rdf(Subj2, P2, O2), S0, S) :-
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compare_field(Subj1, Subj2, S0, S1),
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compare_field(P1, P2, S1, S2),
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compare_field(O1, O2, S2, S).
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compare_field(X, X, S, S) :- !.
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compare_field(literal(X), xml(X), S, S) :- !. % TBD
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compare_field(rdf:Name, Atom, S, S) :-
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atom(Atom),
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rdf_parser:rdf_name_space(NS),
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atom_concat(NS, Name, Atom), !.
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compare_field(NS:Name, Atom, S, S) :-
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atom(Atom),
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atom_concat(NS, Name, Atom), !.
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compare_field(X, Id, S, S) :-
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memberchk(X=Id, S), !.
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compare_field(X, Y, S, [X=Y|S]) :-
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\+ memberchk(X=_, S),
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rdf_is_bnode(X),
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rdf_is_bnode(Y),
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debug(bnode, 'Assume ~w = ~w~n', [X, Y]).
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/*******************************
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* TESTS *
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*******************************/
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:- begin_tests(rdf_write).
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test(1, true) :-
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test_graph([ rdf(s, p, o)
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]).
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test(anon_s, true) :-
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test_graph([ rdf('__s', p, o)
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]).
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test(anon_o, true) :-
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test_graph([ rdf(s, p, '__o')
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]).
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test(anon_loop, blocked('NodeID map must check for cycles')) :-
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test_graph([ rdf('__r1', p1, '__r2'),
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rdf('__r2', p1, '__r1')
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]).
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test(anon_loop, true) :-
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test_graph([ rdf('__r1', p1, '__r2'),
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rdf('__r1', p2, '__r2'),
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rdf('__r2', p1, '__r1'),
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rdf('__r2', p2, '__r1')
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]).
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test(anon_reuse, true) :-
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test_graph([ rdf('__s1', p1, '__o1'),
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rdf('__s2', p1, '__o1')
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]).
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test(anon_reuse, true) :-
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test_graph([ rdf('__s1', p1, '__o1'),
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rdf('__s2', p1, '__o1'),
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rdf('__o1', name, literal(foo))
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]).
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test(literal, true) :-
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test_graph([ rdf(s, p, literal(hello))
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]).
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test(lang, true) :-
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test_graph([ rdf(s, p, literal(lang(en, hello)))
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]).
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test(type, true) :-
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test_graph([ rdf(s, p, literal(type(t, hello)))
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]).
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:- end_tests(rdf_write).
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:- retract(system:swi_io).
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