opencog-atomspace / tests / query / ClassicalBooleanUTest.cxxtest

/*
 * tests/query/ClassicalBooleanUTest.cxxtest
 *
 * Copyright (C) 2018 Linas Vepstas
 * All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License v3 as
 * published by the Free Software Foundation and including the exceptions
 * at http://opencog.org/wiki/Licenses
 *
 * 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 Affero General Public License
 * along with this program; if not, write to:
 * Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <opencog/guile/SchemeEval.h>
#include <opencog/atomspace/AtomSpace.h>
#include <opencog/util/Logger.h>
#include <cxxtest/TestSuite.h>

using namespace opencog;

#define al as->add_link
#define an as->add_node

class ClassicalBooleanUTest: public CxxTest::TestSuite
{
private:
	AtomSpacePtr as;
	SchemeEval* eval;

public:
	ClassicalBooleanUTest(void)
	{
		// logger().set_level(Logger::FINE);
		logger().set_level(Logger::DEBUG);
		logger().set_print_to_stdout_flag(true);
		logger().set_timestamp_flag(false);
		logger().set_sync_flag(false);

		as = createAtomSpace();
		eval = SchemeEval::get_scheme_evaluator(as);
		eval->eval("(add-to-load-path \"" PROJECT_SOURCE_DIR "\")");
	}

	~ClassicalBooleanUTest()
	{
		// Erase the log file if no assertions failed.
		if (!CxxTest::TestTracker::tracker().suiteFailed())
				std::remove(logger().get_filename().c_str());
	}

	void setUp(void);
	void tearDown(void);

	void test_double_clause(void);
	void test_single_clause(void);
};

void ClassicalBooleanUTest::tearDown(void)
{
}

void ClassicalBooleanUTest::setUp(void)
{
}

/*
 * Test positive double-clause boolean constructions.
 * One positive clause forces examination of entire universe;
 * One negative clause rejects members of the universe.
 */
void ClassicalBooleanUTest::test_double_clause(void)
{
	logger().debug("BEGIN TEST: %s", __FUNCTION__);
	eval->eval("(load-from-path \"tests/query/classical-boolean.scm\")");

	Handle hans = eval->eval_h("(Set (Concept \"you\") (Concept \"her\"))");
	printf("Expected this: %s\n", hans->to_string().c_str());

	Handle hgnd = eval->eval_h("(cog-execute! double-a)");
	printf("Found double-a: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-a bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! double-b)");
	printf("Found double-b: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-b bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! double-c)");
	printf("Found double-c: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-c bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! double-d)");
	printf("Found double-d: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-d bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! double-e)");
	printf("Found double-e: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-e bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! double-f)");
	printf("Found double-f: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("double-f bad grounding", hans == hgnd);

	logger().debug("END TEST: %s", __FUNCTION__);
}

/*
 * Test negative single-clause boolean constructions.
 * These have no positive clauses, and so should return the empty set.
 * Unlike the above, the universe is never examined.
 */
void ClassicalBooleanUTest::test_single_clause(void)
{
	logger().debug("BEGIN TEST: %s", __FUNCTION__);
	eval->eval("(load-from-path \"tests/query/classical-boolean.scm\")");

	Handle hans = eval->eval_h("(Set)");
	printf("Expected this: %s\n", hans->to_string().c_str());

	Handle hgnd = eval->eval_h("(cog-execute! single-a)");
	printf("Found single-a: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-a bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! single-b)");
	printf("Found single-b: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-b bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! single-c)");
	printf("Found single-c: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-c bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! single-d)");
	printf("Found single-d: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-d bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! single-e)");
	printf("Found single-e: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-e bad grounding", hans == hgnd);

	hgnd = eval->eval_h("(cog-execute! single-f)");
	printf("Found single-f: %s\n", hgnd->to_string().c_str());
	TSM_ASSERT("single-f bad grounding", hans == hgnd);

	logger().debug("END TEST: %s", __FUNCTION__);
}

#undef al
#undef an