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.Assert.assertArrayEquals;
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5 | import static org.junit.Assert.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.Before;
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11 | import org.junit.Rule;
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12 | import org.junit.Test;
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13 | import org.openstreetmap.josm.command.CommandTest.CommandTestData;
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14 | import org.openstreetmap.josm.data.coor.EastNorth;
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15 | import org.openstreetmap.josm.data.coor.LatLon;
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16 | import org.openstreetmap.josm.data.osm.DataSet;
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17 | import org.openstreetmap.josm.data.osm.Node;
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18 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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19 | import org.openstreetmap.josm.data.osm.User;
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20 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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21 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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22 |
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23 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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24 | import nl.jqno.equalsverifier.EqualsVerifier;
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25 | import nl.jqno.equalsverifier.Warning;
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26 |
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27 | /**
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28 | * Unit tests of {@link ScaleCommand} class.
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29 | */
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30 | public class ScaleCommandTest {
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31 |
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32 | /**
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33 | * We need prefs for nodes.
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34 | */
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35 | @Rule
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36 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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37 | public JOSMTestRules test = new JOSMTestRules().preferences().projection();
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38 | private CommandTestData testData;
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39 |
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40 | /**
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41 | * Set up the test data.
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42 | */
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43 | @Before
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44 | public void createTestData() {
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45 | testData = new CommandTestData();
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46 | }
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47 |
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48 | /**
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49 | * Test a simple 2.5 scale. Tests {@link ScaleCommand#executeCommand()}
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50 | */
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51 | @Test
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52 | public void testScale() {
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53 | // pivot needs to be at 0,0
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54 | Node n1 = new Node(new EastNorth(10, 10));
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55 | Node n2 = new Node(new EastNorth(-1, 0));
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56 | Node n3 = new Node(new EastNorth(-9, -10));
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57 | ScaleCommand scale = new ScaleCommand(Arrays.asList(n1, n2, n3), new EastNorth(0, 0));
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58 | scale.setScalingFactor(2.5);
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59 | scale.executeCommand();
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60 |
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61 | assertEquals(25, n1.getEastNorth().east(), 0.0001);
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62 | assertEquals(25, n1.getEastNorth().north(), 0.0001);
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63 | assertEquals(-2.5, n2.getEastNorth().east(), 0.0001);
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64 | assertEquals(0, n2.getEastNorth().north(), 0.0001);
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65 | }
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66 |
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67 | /**
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68 | * Test {@link ScaleCommand#undoCommand()}
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69 | */
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70 | @Test
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71 | public void testUndo() {
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72 | Node n1 = new Node(new EastNorth(10, 10));
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73 | Node n2 = new Node(new EastNorth(-1, 0));
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74 | Node n3 = new Node(new EastNorth(-9, -10));
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75 | ScaleCommand scale = new ScaleCommand(Arrays.asList(n1, n2, n3), new EastNorth(0, 0));
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76 | scale.setScalingFactor(2.5);
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77 | scale.executeCommand();
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78 | scale.undoCommand();
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79 |
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80 | assertEquals(10, n1.getEastNorth().east(), 0.0001);
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81 | assertEquals(10, n1.getEastNorth().north(), 0.0001);
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82 | assertEquals(-1, n2.getEastNorth().east(), 0.0001);
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83 | assertEquals(0, n2.getEastNorth().north(), 0.0001);
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84 |
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85 | scale.executeCommand();
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86 |
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87 | assertEquals(-2.5, n2.getEastNorth().east(), 0.0001);
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88 | assertEquals(0, n2.getEastNorth().north(), 0.0001);
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89 | }
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90 |
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91 | /**
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92 | * Tests {@link ScaleCommand#fillModifiedData(java.util.Collection, java.util.Collection, java.util.Collection)}
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93 | */
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94 | @Test
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95 | public void testFillModifiedData() {
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96 | ArrayList<OsmPrimitive> modified = new ArrayList<>();
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97 | ArrayList<OsmPrimitive> deleted = new ArrayList<>();
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98 | ArrayList<OsmPrimitive> added = new ArrayList<>();
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99 | ScaleCommand command = new ScaleCommand(Arrays.asList(testData.existingNode),
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100 | new EastNorth(0, 0));
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101 | // intentionally empty
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102 | command.fillModifiedData(modified, deleted, added);
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103 | assertArrayEquals(new Object[] {}, modified.toArray());
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104 | assertArrayEquals(new Object[] {}, deleted.toArray());
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105 | assertArrayEquals(new Object[] {}, added.toArray());
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106 | }
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107 |
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108 | /**
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109 | * Tests {@link ScaleCommand#getParticipatingPrimitives()}
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110 | */
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111 | @Test
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112 | public void testGetParticipatingPrimitives() {
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113 | ScaleCommand command = new ScaleCommand(Arrays.asList(testData.existingNode), new EastNorth(0, 0));
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114 | command.executeCommand();
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115 | assertArrayEquals(new Object[] {testData.existingNode }, command.getParticipatingPrimitives().toArray());
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116 | }
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117 |
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118 | /**
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119 | * Test {@link ScaleCommand#getDescriptionText()}
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120 | */
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121 | @Test
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122 | public void testDescription() {
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123 | assertEquals("Scale 1 node",
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124 | new ScaleCommand(Arrays.asList(testData.existingNode), new EastNorth(0, 0))
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125 | .getDescriptionText());
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126 | assertEquals("Scale 2 nodes",
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127 | new ScaleCommand(Arrays.asList(testData.existingNode, testData.existingNode2), new EastNorth(0, 0))
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128 | .getDescriptionText());
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129 | }
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130 |
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131 | /**
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132 | * Unit test of methods {@link ScaleCommand#equals} and {@link ScaleCommand#hashCode}.
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133 | */
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134 | @Test
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135 | public void testEqualsContract() {
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136 | EqualsVerifier.forClass(ScaleCommand.class).usingGetClass()
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137 | .withPrefabValues(LatLon.class,
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138 | LatLon.ZERO, new LatLon(45, 45))
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139 | .withPrefabValues(DataSet.class,
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140 | new DataSet(), new DataSet())
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141 | .withPrefabValues(User.class,
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142 | User.createOsmUser(1, "foo"), User.createOsmUser(2, "bar"))
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143 | .withPrefabValues(OsmDataLayer.class,
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144 | new OsmDataLayer(new DataSet(), "1", null), new OsmDataLayer(new DataSet(), "2", null))
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145 | .suppress(Warning.NONFINAL_FIELDS)
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146 | .verify();
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147 | }
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148 | }
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