ResultSetMappingManagerTest.java

/**
 * Copyright (C) 2020 Czech Technical University in Prague
 * <p>
 * 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 3 of the License, or (at your option) any later
 * version.
 * <p>
 * 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 program. If not, see
 * <http://www.gnu.org/licenses/>.
 */
package cz.cvut.kbss.jopa.query;

import cz.cvut.kbss.jopa.query.mapper.ResultRowMapper;
import cz.cvut.kbss.jopa.query.mapper.SparqlResultMapper;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

public class ResultSetMappingManagerTest {

    private static final String NAME = "testMapping";

    private final ResultSetMappingManager manager = new ResultSetMappingManager();

    @Test
    public void addedMapperCanBeRetrieved() {
        final SparqlResultMapper mapper = new ResultRowMapper(NAME);
        manager.addMapper(NAME, mapper);
        final SparqlResultMapper result = manager.getMapper(NAME);
        assertNotNull(result);
        assertEquals(mapper, result);
    }

    @Test
    public void addMapperThrowsIllegalArgumentWhenMapperForSpecifiedNameAlreadyExists() {
        final SparqlResultMapper mapper = new ResultRowMapper(NAME);
        manager.addMapper(NAME, mapper);
        final IllegalArgumentException ex = assertThrows(IllegalArgumentException.class,
                () -> manager.addMapper(NAME, new ResultRowMapper(NAME)));
        assertEquals("Mapping " + NAME + " already exists in this persistence unit.", ex.getMessage());
    }

    @Test
    public void getMapperThrowsIllegalArgumentWhenMapperForMappingNameDoesNotExist() {
        final IllegalArgumentException ex = assertThrows(IllegalArgumentException.class, () -> manager.getMapper(NAME));
        assertEquals("Mapping " + NAME + " not found in this persistence unit.", ex.getMessage());
    }
}