// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.TestUtils;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.io.IllegalDataException;
import org.openstreetmap.josm.io.OsmReader;
import org.openstreetmap.josm.testutils.JOSMTestRules;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

/**
 * Unit tests for class {@link PurgeAction}.
 */
public class PurgeActionTest {

    /**
     * Setup test.
     */
    @Rule
    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
    public JOSMTestRules test = new JOSMTestRules().platform().commands();

    /**
     * Non-regression test for ticket #12038.
     * @throws IOException if any I/O error occurs
     * @throws FileNotFoundException if the data file cannot be found
     * @throws IllegalDataException if OSM parsing fails
     */
    @Test
    public void testCopyStringWayRelation() throws FileNotFoundException, IOException, IllegalDataException {
        try (InputStream is = TestUtils.getRegressionDataStream(12038, "data.osm")) {
            DataSet ds = OsmReader.parseDataSet(is, null);
            OsmDataLayer layer = new OsmDataLayer(ds, null, null);
            Main.getLayerManager().addLayer(layer);
            try {
                for (Way w : ds.getWays()) {
                    if (w.getId() == 222191929L) {
                        ds.addSelected(w);
                    }
                }
                new PurgeAction().actionPerformed(null);
                for (Way w : ds.getWays()) {
                    if (w.getId() == 222191929L) {
                        assertTrue(w.isIncomplete());
                        assertEquals(0, w.getNodesCount());
                    }
                }
            } finally {
                // Ensure we clean the place before leaving, even if test fails.
                Main.getLayerManager().removeLayer(layer);
            }
        }
    }
}