1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 | import static org.junit.Assert.assertNotNull;
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6 | import static org.junit.Assert.assertTrue;
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7 |
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8 | import java.util.Collection;
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9 | import java.util.Collections;
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10 | import java.util.stream.Stream;
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11 |
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12 | import org.junit.Before;
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13 | import org.junit.Rule;
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14 | import org.junit.Test;
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15 | import org.openstreetmap.josm.Main;
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16 | import org.openstreetmap.josm.command.DeleteCommand;
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17 | import org.openstreetmap.josm.command.SequenceCommand;
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18 | import org.openstreetmap.josm.data.coor.LatLon;
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19 | import org.openstreetmap.josm.data.osm.DataSet;
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20 | import org.openstreetmap.josm.data.osm.Node;
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21 | import org.openstreetmap.josm.data.osm.Way;
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22 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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23 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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24 | import org.openstreetmap.josm.tools.Utils;
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25 |
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26 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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27 |
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28 | /**
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29 | * Unit tests for class {@link SimplifyWayAction}.
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30 | */
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31 | public final class SimplifyWayActionTest {
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32 |
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33 | /** Class under test. */
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34 | private static SimplifyWayAction action;
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35 |
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36 | /**
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37 | * Setup test.
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38 | */
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39 | @Rule
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40 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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41 | public JOSMTestRules test = new JOSMTestRules().mainMenu();
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42 |
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43 | /**
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44 | * Setup test.
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45 | */
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46 | @Before
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47 | public void setUp() {
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48 | if (action == null) {
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49 | action = Main.main.menu.simplifyWay;
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50 | action.setEnabled(true);
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51 | }
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52 | }
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53 |
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54 | private static Way createWaySelected(DataSet ds, double latStart) {
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55 | Node n1 = new Node(new LatLon(latStart, 1.0));
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56 | ds.addPrimitive(n1);
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57 | Node n2 = new Node(new LatLon(latStart+1.0, 1.0));
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58 | ds.addPrimitive(n2);
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59 | Way w = new Way();
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60 | w.addNode(n1);
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61 | w.addNode(n2);
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62 | ds.addPrimitive(w);
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63 | ds.addSelected(w);
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64 | return w;
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65 | }
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66 |
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67 | /**
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68 | * Test without any selection.
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69 | */
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70 | @Test
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71 | public void testSelectionEmpty() {
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72 | DataSet ds = new DataSet();
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73 | OsmDataLayer layer = new OsmDataLayer(ds, "", null);
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74 | try {
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75 | Main.getLayerManager().addLayer(layer);
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76 | assertTrue(ds.getSelected().isEmpty());
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77 | action.actionPerformed(null);
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78 | } finally {
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79 | Main.getLayerManager().removeLayer(layer);
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80 | }
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81 | }
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82 |
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83 | /**
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84 | * Test with a single way.
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85 | */
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86 | @Test
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87 | public void testSingleWay() {
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88 | DataSet ds = new DataSet();
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89 | createWaySelected(ds, 0.0);
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90 | OsmDataLayer layer = new OsmDataLayer(ds, "", null);
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91 | try {
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92 | Main.getLayerManager().addLayer(layer);
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93 | assertEquals(1, ds.getSelected().size());
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94 | action.actionPerformed(null);
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95 | } finally {
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96 | Main.getLayerManager().removeLayer(layer);
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97 | }
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98 | }
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99 |
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100 | /**
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101 | * Test with more than 10 ways.
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102 | */
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103 | @Test
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104 | public void testMoreThanTenWays() {
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105 | DataSet ds = new DataSet();
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106 | for (int i = 0; i < 11; i++) {
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107 | createWaySelected(ds, i);
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108 | }
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109 | OsmDataLayer layer = new OsmDataLayer(ds, "", null);
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110 | try {
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111 | Main.getLayerManager().addLayer(layer);
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112 | assertEquals(11, ds.getSelected().size());
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113 | action.actionPerformed(null);
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114 | } finally {
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115 | Main.getLayerManager().removeLayer(layer);
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116 | }
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117 | }
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118 |
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119 | /**
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120 | * Tests that also the first node may be simplified, see #13094.
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121 | */
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122 | @Test
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123 | public void testSimplifyFirstNode() {
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124 | final DataSet ds = new DataSet();
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125 | final Node n1 = new Node(new LatLon(47.26269614984, 11.34044231149));
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126 | final Node n2 = new Node(new LatLon(47.26274590831, 11.34053120859));
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127 | final Node n3 = new Node(new LatLon(47.26276562382, 11.34034715039));
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128 | final Node n4 = new Node(new LatLon(47.26264639132, 11.34035341438));
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129 | final Way w = new Way();
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130 | Stream.of(n1, n2, n3, n4, w).forEach(ds::addPrimitive);
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131 | Stream.of(n1, n2, n3, n4, n1).forEach(w::addNode);
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132 | final SequenceCommand command = action.simplifyWay(w);
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133 | assertNotNull(command);
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134 | assertEquals(2, command.getChildren().size());
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135 | final Collection<DeleteCommand> deleteCommands = Utils.filteredCollection(command.getChildren(), DeleteCommand.class);
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136 | assertEquals(1, deleteCommands.size());
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137 | assertEquals(Collections.singleton(n1), deleteCommands.iterator().next().getParticipatingPrimitives());
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138 | }
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139 | }
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