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 |
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7 | import java.util.ArrayList;
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8 | import java.util.Arrays;
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9 |
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10 | import org.junit.jupiter.api.BeforeEach;
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11 | import org.junit.jupiter.api.Test;
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12 | import org.junit.jupiter.api.extension.RegisterExtension;
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13 | import org.openstreetmap.josm.TestUtils;
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14 | import org.openstreetmap.josm.command.CommandTest.CommandTestData;
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15 | import org.openstreetmap.josm.data.coor.EastNorth;
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16 | import org.openstreetmap.josm.data.coor.LatLon;
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17 | import org.openstreetmap.josm.data.osm.DataSet;
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18 | import org.openstreetmap.josm.data.osm.Node;
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19 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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20 | import org.openstreetmap.josm.data.osm.User;
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21 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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22 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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23 |
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24 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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25 | import nl.jqno.equalsverifier.EqualsVerifier;
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26 | import nl.jqno.equalsverifier.Warning;
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27 |
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28 | /**
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29 | * Unit tests of {@link RotateCommand} class.
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30 | */
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31 | class RotateCommandTest {
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32 |
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33 | /**
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34 | * We need prefs for nodes.
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35 | */
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36 | @RegisterExtension
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37 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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38 | public JOSMTestRules test = new JOSMTestRules().preferences().projection();
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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 a simple 45° rotation. Tests {@link RotateCommand#executeCommand()}
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51 | */
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52 | @Test
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53 | void testRotate() {
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54 | // pivot needs to be at 0,0
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55 | Node n1 = new Node(new EastNorth(10, 10));
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56 | Node n2 = new Node(new EastNorth(-1, 0));
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57 | Node n3 = new Node(new EastNorth(-9, -10));
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58 | new DataSet(n1, n2, n3);
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59 | RotateCommand rotate = new RotateCommand(Arrays.asList(n1, n2, n3), new EastNorth(0, 0));
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60 | rotate.setRotationAngle(Math.PI / 4);
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61 | rotate.executeCommand();
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62 |
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63 | assertEquals(Math.sqrt(2) * 10, n1.getEastNorth().east(), 0.0001);
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64 | assertEquals(0, n1.getEastNorth().north(), 0.0001);
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65 | assertEquals(-1 / Math.sqrt(2), n2.getEastNorth().east(), 0.0001);
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66 | assertEquals(1 / Math.sqrt(2), n2.getEastNorth().north(), 0.0001);
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67 | }
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68 |
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69 | /**
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70 | * Test {@link RotateCommand#undoCommand()}
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71 | */
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72 | @Test
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73 | void testUndo() {
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74 | Node n1 = new Node(new EastNorth(10, 10));
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75 | Node n2 = new Node(new EastNorth(-1, 0));
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76 | Node n3 = new Node(new EastNorth(-9, -10));
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77 | new DataSet(n1, n2, n3);
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78 | RotateCommand rotate = new RotateCommand(Arrays.asList(n1, n2, n3), new EastNorth(0, 0));
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79 | rotate.setRotationAngle(Math.PI / 4);
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80 | rotate.executeCommand();
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81 | rotate.undoCommand();
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82 |
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83 | assertEquals(10, n1.getEastNorth().east(), 0.0001);
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84 | assertEquals(10, n1.getEastNorth().north(), 0.0001);
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85 | assertEquals(-1, n2.getEastNorth().east(), 0.0001);
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86 | assertEquals(0, n2.getEastNorth().north(), 0.0001);
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87 |
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88 | rotate.executeCommand();
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89 |
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90 | assertEquals(-1 / Math.sqrt(2), n2.getEastNorth().east(), 0.0001);
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91 | assertEquals(1 / Math.sqrt(2), n2.getEastNorth().north(), 0.0001);
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92 | }
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93 |
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94 | /**
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95 | * Tests {@link RotateCommand#fillModifiedData(java.util.Collection, java.util.Collection, java.util.Collection)}
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96 | */
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97 | @Test
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98 | void testFillModifiedData() {
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99 | ArrayList<OsmPrimitive> modified = new ArrayList<>();
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100 | ArrayList<OsmPrimitive> deleted = new ArrayList<>();
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101 | ArrayList<OsmPrimitive> added = new ArrayList<>();
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102 | RotateCommand command = new RotateCommand(Arrays.asList(testData.existingNode),
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103 | new EastNorth(0, 0));
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104 | // intentionally empty
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105 | command.fillModifiedData(modified, deleted, added);
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106 | assertArrayEquals(new Object[] {}, modified.toArray());
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107 | assertArrayEquals(new Object[] {}, deleted.toArray());
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108 | assertArrayEquals(new Object[] {}, added.toArray());
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109 | }
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110 |
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111 | /**
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112 | * Tests {@link RotateCommand#getParticipatingPrimitives()}
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113 | */
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114 | @Test
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115 | void testGetParticipatingPrimitives() {
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116 | RotateCommand command = new RotateCommand(Arrays.asList(testData.existingNode), new EastNorth(0, 0));
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117 | command.executeCommand();
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118 | assertArrayEquals(new Object[] {testData.existingNode}, command.getParticipatingPrimitives().toArray());
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119 | }
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120 |
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121 | /**
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122 | * Test {@link RotateCommand#getDescriptionText()}
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123 | */
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124 | @Test
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125 | void testDescription() {
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126 | assertEquals("Rotate 1 node",
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127 | new RotateCommand(Arrays.asList(testData.existingNode), new EastNorth(0, 0))
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128 | .getDescriptionText());
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129 | assertEquals("Rotate 2 nodes",
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130 | new RotateCommand(Arrays.asList(testData.existingNode, testData.existingNode2), new EastNorth(0, 0))
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131 | .getDescriptionText());
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132 | }
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133 |
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134 | /**
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135 | * Unit test of methods {@link RotateCommand#equals} and {@link RotateCommand#hashCode}.
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136 | */
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137 | @Test
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138 | void testEqualsContract() {
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139 | TestUtils.assumeWorkingEqualsVerifier();
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140 | EqualsVerifier.forClass(RotateCommand.class).usingGetClass()
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141 | .withPrefabValues(LatLon.class, LatLon.ZERO, new LatLon(45, 45))
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142 | .withPrefabValues(DataSet.class, new DataSet(), new DataSet())
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143 | .withPrefabValues(User.class, User.createOsmUser(1, "foo"), User.createOsmUser(2, "bar"))
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144 | .withPrefabValues(OsmDataLayer.class, new OsmDataLayer(new DataSet(), "1", null),
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145 | new OsmDataLayer(new DataSet(), "2", null))
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146 | .suppress(Warning.NONFINAL_FIELDS).verify();
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147 | }
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148 | }
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