// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.util.Arrays;
import java.util.Collections;
import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.testutils.JOSMTestRules;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
/**
* Unit tests for class {@link MergeNodesAction}.
*/
public class MergeNodesActionTest {
/**
* Setup test.
*/
@Rule
@SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
public JOSMTestRules test = new JOSMTestRules().platform().commands();
/**
* Unit test of {@link MergeNodesAction#selectTargetLocationNode} - empty list
*/
@Test(expected = IllegalArgumentException.class)
public void testSelectTargetLocationNodeEmpty() {
MergeNodesAction.selectTargetLocationNode(Collections.emptyList());
}
/**
* Unit test of {@link MergeNodesAction#selectTargetLocationNode} - invalid mode
*/
@Test(expected = IllegalStateException.class)
public void testSelectTargetLocationNodeInvalidMode() {
Main.pref.putInteger("merge-nodes.mode", -1);
MergeNodesAction.selectTargetLocationNode(Arrays.asList(new Node(0), new Node(1)));
}
/**
* Unit test of {@link MergeNodesAction#selectTargetLocationNode}
*/
@Test
public void testSelectTargetLocationNode() {
Main.pref.putInteger("merge-nodes.mode", 0);
assertEquals(1, MergeNodesAction.selectTargetLocationNode(Arrays.asList(new Node(0), new Node(1))).getId());
Main.pref.putInteger("merge-nodes.mode", 1);
assertEquals(LatLon.ZERO, MergeNodesAction.selectTargetLocationNode(
Arrays.asList(new Node(LatLon.NORTH_POLE), new Node(LatLon.SOUTH_POLE))).getCoor());
Main.pref.putInteger("merge-nodes.mode", 2);
assertEquals(LatLon.NORTH_POLE, MergeNodesAction.selectTargetLocationNode(
Arrays.asList(new Node(LatLon.NORTH_POLE))).getCoor());
}
/**
* Unit test of {@link MergeNodesAction#selectTargetNode}
*/
@Test
public void testSelectTargetNode() {
assertNull(MergeNodesAction.selectTargetNode(Collections.emptyList()));
DataSet ds = new DataSet();
Node n1 = new Node(1);
ds.addPrimitive(n1);
assertEquals(1, MergeNodesAction.selectTargetNode(Arrays.asList(n1)).getId());
}
}