1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.command;
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3 |
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4 | import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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5 | import static org.junit.jupiter.api.Assertions.assertEquals;
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6 | import static org.junit.jupiter.api.Assertions.assertFalse;
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7 | import static org.junit.jupiter.api.Assertions.assertThrows;
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8 | import static org.junit.jupiter.api.Assertions.assertTrue;
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9 |
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10 | import java.util.ArrayList;
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11 | import java.util.Arrays;
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12 | import java.util.Collections;
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13 | import java.util.List;
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14 |
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15 | import org.openstreetmap.josm.TestUtils;
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16 | import org.openstreetmap.josm.command.CommandTest.CommandTestData;
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17 | import org.openstreetmap.josm.data.coor.LatLon;
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18 | import org.openstreetmap.josm.data.osm.DataSet;
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19 | import org.openstreetmap.josm.data.osm.Node;
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20 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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21 | import org.openstreetmap.josm.data.osm.User;
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22 | import org.openstreetmap.josm.data.osm.Way;
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23 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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24 | import org.openstreetmap.josm.testutils.annotations.BasicPreferences;
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25 | import org.openstreetmap.josm.testutils.annotations.I18n;
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26 |
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27 | import nl.jqno.equalsverifier.EqualsVerifier;
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28 | import nl.jqno.equalsverifier.Warning;
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29 | import org.junit.jupiter.api.BeforeEach;
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30 | import org.junit.jupiter.api.Test;
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31 |
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32 | /**
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33 | * Unit tests of {@link ChangeNodesCommand} class.
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34 | */
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35 | @I18n
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36 | // We need prefs for nodes.
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37 | @BasicPreferences
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38 | class ChangeNodesCommandTest {
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39 | private CommandTestData testData;
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40 |
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41 | /**
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42 | * Set up the test data.
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43 | */
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44 | @BeforeEach
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45 | public void createTestData() {
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46 | testData = new CommandTestData();
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47 | }
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48 |
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49 | /**
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50 | * Test that empty ways are prevented.
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51 | */
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52 | @Test
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53 | void testPreventEmptyWays() {
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54 | assertThrows(IllegalArgumentException.class, () -> new ChangeNodesCommand(testData.existingWay, Collections.<Node>emptyList()));
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55 | }
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56 |
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57 | /**
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58 | * Test {@link ChangeNodesCommand#executeCommand()}
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59 | */
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60 | @Test
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61 | void testChange() {
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62 | List<Node> newNodes = testData.existingWay.getNodes();
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63 | Collections.reverse(newNodes);
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64 |
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65 | new ChangeNodesCommand(testData.existingWay, newNodes).executeCommand();
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66 | assertArrayEquals(newNodes.toArray(), testData.existingWay.getNodes().toArray());
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67 |
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68 | // tags are unchanged
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69 | assertEquals("existing", testData.existingWay.get("existing"));
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70 | assertTrue(testData.existingWay.isModified());
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71 | }
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72 |
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73 | /**
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74 | * Test {@link ChangeCommand#undoCommand()}
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75 | */
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76 | @Test
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77 | void testUndo() {
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78 | List<Node> newNodes = testData.existingWay.getNodes();
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79 | Collections.reverse(newNodes);
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80 |
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81 | ChangeNodesCommand command = new ChangeNodesCommand(testData.existingWay, newNodes);
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82 | command.executeCommand();
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83 | command.undoCommand();
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84 | Collections.reverse(newNodes);
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85 | assertArrayEquals(newNodes.toArray(), testData.existingWay.getNodes().toArray());
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86 | assertFalse(testData.existingWay.isModified());
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87 | }
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88 |
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89 | /**
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90 | * Tests {@link ChangeNodesCommand#fillModifiedData(java.util.Collection, java.util.Collection, java.util.Collection)}
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91 | */
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92 | @Test
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93 | void testFillModifiedData() {
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94 | ArrayList<OsmPrimitive> modified = new ArrayList<>();
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95 | ArrayList<OsmPrimitive> deleted = new ArrayList<>();
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96 | ArrayList<OsmPrimitive> added = new ArrayList<>();
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97 | new ChangeNodesCommand(testData.existingWay, Arrays.asList(testData.existingNode)).fillModifiedData(modified,
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98 | deleted, added);
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99 | assertArrayEquals(new Object[] {testData.existingWay}, modified.toArray());
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100 | assertArrayEquals(new Object[] {}, deleted.toArray());
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101 | assertArrayEquals(new Object[] {}, added.toArray());
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102 | }
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103 |
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104 | /**
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105 | * Test {@link ChangeNodesCommand#getDescriptionText()}
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106 | */
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107 | @Test
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108 | void testDescription() {
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109 | Node node = new Node(LatLon.ZERO);
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110 | node.put("name", "xy");
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111 | Way way = new Way();
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112 | way.addNode(node);
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113 | way.put("name", "xy");
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114 | DataSet ds = new DataSet(node, way);
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115 | assertTrue(
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116 | new ChangeNodesCommand(ds, way, Arrays.asList(node)).getDescriptionText().matches("Change nodes of.*xy.*"));
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117 | }
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118 |
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119 | /**
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120 | * Unit test of methods {@link ChangeNodesCommand#equals} and {@link ChangeNodesCommand#hashCode}.
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121 | */
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122 | @Test
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123 | void testEqualsContract() {
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124 | TestUtils.assumeWorkingEqualsVerifier();
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125 | EqualsVerifier.forClass(ChangeNodesCommand.class).usingGetClass()
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126 | .withPrefabValues(Way.class,
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127 | new Way(1), new Way(2))
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128 | .withPrefabValues(DataSet.class,
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129 | new DataSet(), new DataSet())
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130 | .withPrefabValues(User.class,
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131 | User.createOsmUser(1, "foo"), User.createOsmUser(2, "bar"))
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132 | .withPrefabValues(OsmDataLayer.class,
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133 | new OsmDataLayer(new DataSet(), "1", null), new OsmDataLayer(new DataSet(), "2", null))
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134 | .suppress(Warning.NONFINAL_FIELDS)
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135 | .verify();
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136 | }
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137 | }
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