opencog-atomspace / tests / query / NoExceptionUTest.cxxtest

/*
 * tests/query/NoExceptionUTest.cxxtest
 *
 * Copyright (C) 2016 OpenCog Foundation
 * All Rights Reserved
 * Author: Nil Geisweiller
 *
 * 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/atomspace/AtomSpace.h>
#include <opencog/guile/SchemeEval.h>
#include <opencog/util/Logger.h>
#include <opencog/atoms/base/Handle.h>
#include <cxxtest/TestSuite.h>

using namespace opencog;

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

public:

	NoExceptionUTest()
	{
		logger().set_level(Logger::DEBUG);
		logger().set_print_to_stdout_flag(true);

		as = createAtomSpace();
		eval = SchemeEval::get_scheme_evaluator(as);

		eval->eval("(add-to-load-path \"" PROJECT_SOURCE_DIR "\")");

	}

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

	void setUp();
	void tearDown();

	void test_exception();
	void test_bad_analysis();
};

/*
 * This function sets up an implication link, and some data.
 */
#define an as->add_node
#define al as->add_link
void NoExceptionUTest::setUp(void)
{
	as->clear();
	eval->eval("(load-from-path \"tests/query/test_types.scm\")");
}

void NoExceptionUTest::tearDown(void)
{
	as->clear();
}

// See no-exception.scm for comments.
void NoExceptionUTest::test_exception()
{
	logger().debug("BEGIN TEST: %s", __FUNCTION__);

	std::string result = eval->eval("(load-from-path \"tests/query/no-exception.scm\")");
	std::cout << "result = " << result;

	Handle bl = eval->eval_h("bl");
	std::cout << "bl = " << oc_to_string(bl);

	// Make sure the scheme file actually loaded!
	TSM_ASSERT("Failed to load test data", Handle::UNDEFINED != bl);

	// We expect NOT to catch an error.
	TS_ASSERT_THROWS_NOTHING(bl->execute(as.get()));

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

// Pattern matcher mis-understood some EvlautationLinks.
void NoExceptionUTest::test_bad_analysis()
{
	logger().debug("BEGIN TEST: %s", __FUNCTION__);

	eval->eval("(load-from-path \"tests/query/no-exception-analysis.scm\")");

	// We expect NOT to catch an error.
	TS_ASSERT_THROWS_NOTHING(eval->eval_h("(meet)"));

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