// 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.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.TestUtils;
import org.openstreetmap.josm.actions.search.SearchAction;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.RelationMember;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
import org.openstreetmap.josm.io.IllegalDataException;
import org.openstreetmap.josm.io.OsmReader;
import org.openstreetmap.josm.testutils.JOSMTestRules;
import org.openstreetmap.josm.tools.MultiMap;
import org.openstreetmap.josm.tools.Utils;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import org.junit.Ignore;
/**
* Unit tests of {@link JoinAreasAction} class.
*/
public class JoinAreasActionTest {
/**
* Setup test.
*/
@Rule
@SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
public JOSMTestRules test = new JOSMTestRules().commands();
/**
* Non-regression test for bug #10511.
* @throws IOException if any I/O error occurs
* @throws IllegalDataException if OSM parsing fails
*/
@Test
@Ignore("disable this test, needs further working") // XXX
public void testTicket10511() throws IOException, IllegalDataException {
try (InputStream is = TestUtils.getRegressionDataStream(10511, "10511_mini.osm")) {
DataSet ds = OsmReader.parseDataSet(is, null);
Layer layer = new OsmDataLayer(ds, null, null);
Main.getLayerManager().addLayer(layer);
try {
new JoinAreasAction().join(ds.getWays());
} finally {
// Ensure we clean the place before leaving, even if test fails.
Main.getLayerManager().removeLayer(layer);
}
}
}
/**
* Non-regression test for bug #11992.
* @throws IOException if any I/O error occurs
* @throws IllegalDataException if OSM parsing fails
*/
@Test
public void testTicket11992() throws IOException, IllegalDataException {
try (InputStream is = TestUtils.getRegressionDataStream(11992, "shapes.osm")) {
DataSet ds = OsmReader.parseDataSet(is, null);
assertEquals(10, ds.getWays().size());
Layer layer = new OsmDataLayer(ds, null, null);
Main.getLayerManager().addLayer(layer);
for (String ref : new String[]{"A", "B", "C", "D", "E"}) {
System.out.print("Joining ways " + ref);
Collection<OsmPrimitive> found = SearchAction.searchAndReturn("type:way ref="+ref, SearchAction.SearchMode.replace);
assertEquals(2, found.size());
Main.main.menu.joinAreas.join(Utils.filteredCollection(found, Way.class));
Collection<OsmPrimitive> found2 = SearchAction.searchAndReturn("type:way ref="+ref, SearchAction.SearchMode.replace);
assertEquals(1, found2.size());
System.out.println(" ==> OK");
}
}
}
/**
* Non-regression test which checks example files in data_nodist
* @throws Exception if an error occurs
*/
@Test
@SuppressWarnings({ "rawtypes", "unchecked" })
public void testExamples() throws Exception {
DataSet dsToJoin, dsExpected;
try (InputStream is = new FileInputStream("data_nodist/Join_Areas_Tests.osm")) {
dsToJoin = OsmReader.parseDataSet(is, NullProgressMonitor.INSTANCE);
}
try (InputStream is = new FileInputStream("data_nodist/Join_Areas_Tests_joined.osm")) {
dsExpected = OsmReader.parseDataSet(is, NullProgressMonitor.INSTANCE);
}
Collection<OsmPrimitive> testPrims = dsToJoin.getPrimitives(osm -> osm.get("test") != null);
MultiMap<String, OsmPrimitive> tests = new MultiMap<>();
for (OsmPrimitive testPrim : testPrims) {
tests.put(testPrim.get("test"), testPrim);
}
for (String test : tests.keySet()) {
Collection<OsmPrimitive> primitives = tests.get(test);
for (OsmPrimitive osm : primitives) {
assertTrue(test + "; expected way, but got: " + osm, osm instanceof Way);
}
new JoinAreasAction().join((Collection) primitives);
Collection<OsmPrimitive> joinedCol = dsToJoin.getPrimitives(osm -> !osm.isDeleted() && Objects.equals(osm.get("test"), test));
assertEquals("in test " + test + ":", 1, joinedCol.size());
Collection<OsmPrimitive> expectedCol = dsExpected.getPrimitives(osm -> !osm.isDeleted() && Objects.equals(osm.get("test"), test));
assertEquals("in test " + test + ":", 1, expectedCol.size());
OsmPrimitive osmJoined = joinedCol.iterator().next();
OsmPrimitive osmExpected = expectedCol.iterator().next();
assertTrue("difference in test " + test, isSemanticallyEqual(osmExpected, osmJoined));
}
}
/**
* Check if 2 primitives are semantically equal as result of a join areas
* operation.
* @param osm1 first primitive
* @param osm2 second primitive
* @return true if both primitives are semantically equal
*/
private boolean isSemanticallyEqual(OsmPrimitive osm1, OsmPrimitive osm2) {
if (osm1 instanceof Node && osm2 instanceof Node)
return isSemanticallyEqualNode((Node) osm1, (Node) osm2);
if (osm1 instanceof Way && osm2 instanceof Way)
return isSemanticallyEqualWay((Way) osm1, (Way) osm2);
if (osm1 instanceof Relation && osm2 instanceof Relation)
return isSemanticallyEqualRelation((Relation) osm1, (Relation) osm2);
return false;
}
private boolean isSemanticallyEqualRelation(Relation r1, Relation r2) {
if (!r1.getKeys().equals(r2.getKeys())) return false;
if (r1.getMembersCount() != r2.getMembersCount()) return false;
Set<RelationMember> matchCandidates = new HashSet<>(r2.getMembers());
for (RelationMember rm : r1.getMembers()) {
RelationMember matched = null;
for (RelationMember cand : matchCandidates) {
if (!rm.getRole().equals(cand.getRole())) continue;
if (!isSemanticallyEqual(rm.getMember(), cand.getMember())) continue;
matched = cand;
break;
}
if (matched == null) return false;
matchCandidates.remove(matched);
}
return true;
}
private boolean isSemanticallyEqualWay(Way w1, Way w2) {
if (!w1.isClosed() || !w2.isClosed()) throw new UnsupportedOperationException();
if (!w1.getKeys().equals(w2.getKeys())) return false;
if (w1.getNodesCount() != w2.getNodesCount()) return false;
int n = w1.getNodesCount() - 1;
for (int dir : Arrays.asList(1, -1)) {
for (int i = 0; i < n; i++) {
boolean different = false;
for (int j = 0; j < n; j++) {
Node n1 = w1.getNode(j);
Node n2 = w2.getNode(Utils.mod(i + dir*j, n));
if (!isSemanticallyEqualNode(n1, n2)) {
different = true;
break;
}
}
if (!different)
return true;
}
}
return false;
}
private boolean isSemanticallyEqualNode(Node n1, Node n2) {
return n1.hasEqualSemanticAttributes(n2);
}
}