1 | package org.openstreetmap.josm.data.osm.visitor;
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2 |
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3 | import java.util.Date;
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4 |
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5 | import junit.framework.TestCase;
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6 |
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7 | import org.openstreetmap.josm.data.coor.LatLon;
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8 | import org.openstreetmap.josm.data.osm.DataSet;
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9 | import org.openstreetmap.josm.data.osm.Node;
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10 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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11 | import org.openstreetmap.josm.data.osm.Segment;
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12 | import org.openstreetmap.josm.data.osm.Way;
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13 | import org.openstreetmap.josm.data.osm.visitor.MergeVisitor;
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14 | import org.openstreetmap.josm.testframework.Bug;
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15 | import org.openstreetmap.josm.testframework.DataSetTestCaseHelper;
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16 |
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17 | public class MergeVisitorTest extends TestCase {
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18 |
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19 |
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20 | private DataSet ds;
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21 | private Node dsNode;
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22 | private Node n;
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23 | private MergeVisitor v;
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24 |
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25 | @Override protected void setUp() throws Exception {
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26 | ds = new DataSet();
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27 | dsNode = DataSetTestCaseHelper.createNode(ds);
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28 | v = new MergeVisitor(ds);
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29 | n = DataSetTestCaseHelper.createNode(null);
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30 | }
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31 |
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32 |
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33 | public void testNodesMergeUpdate() {
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34 | dsNode.id = 1;
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35 | n.id = 1;
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36 | n.timestamp = new Date();
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37 | v.visit(n);
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38 | assertEquals(dsNode, n);
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39 | }
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40 | public void testNodesMergeModified() {
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41 | dsNode.id = 1;
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42 | n.id = 1;
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43 | n.modified = true;
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44 | v.visit(n);
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45 | assertEquals(dsNode, n);
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46 | }
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47 | public void testNodesConflictBothModified() {
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48 | n.modified = true;
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49 | dsNode.modified = true;
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50 | n.id = 1;
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51 | dsNode.id = 1;
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52 | v.visit(n);
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53 | assertEquals(1, v.conflicts.size());
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54 | }
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55 | public void testNodesConflict() {
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56 | dsNode.id = 1;
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57 | dsNode.timestamp = new Date();
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58 | n.id = 1;
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59 | n.modified = true;
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60 | n.timestamp = new Date(dsNode.timestamp.getTime()-1);
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61 | v.visit(n);
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62 | assertEquals(1, v.conflicts.size());
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63 | assertSame(dsNode, v.conflicts.keySet().iterator().next());
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64 | assertSame(n, v.conflicts.values().iterator().next());
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65 | }
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66 | public void testNodesConflict2() {
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67 | dsNode.id = 1;
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68 | dsNode.timestamp = new Date();
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69 | dsNode.modified = true;
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70 | n.id = 1;
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71 | n.timestamp = new Date(dsNode.timestamp.getTime()+1);
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72 | v.visit(n);
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73 | assertEquals(1, v.conflicts.size());
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74 | }
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75 | public void testNodesConflictModifyDelete() {
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76 | dsNode.id = 1;
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77 | dsNode.modified = true;
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78 | n.id = 1;
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79 | n.delete(true);
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80 | v.visit(n);
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81 | assertEquals(1, v.conflicts.size());
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82 | }
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83 | public void testNodesMergeSamePosition() {
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84 | n.id = 1; // new node comes from server
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85 | dsNode.modified = true; // our node is modified
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86 | dsNode.coor = new LatLon(n.coor.lat(), n.coor.lon());
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87 | v.visit(n);
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88 | v.fixReferences();
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89 | assertEquals(0, v.conflicts.size());
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90 | assertEquals(1, dsNode.id);
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91 | assertFalse("updating a new node clear the modified state", dsNode.modified);
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92 | }
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93 |
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94 | public void testNoConflictNewNodesMerged() {
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95 | assertEquals(0, n.id);
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96 | assertEquals(0, dsNode.id);
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97 | v.visit(n);
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98 | v.fixReferences();
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99 | assertEquals(0,v.conflicts.size());
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100 | assertTrue(ds.nodes.contains(n));
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101 | assertEquals(2, ds.nodes.size());
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102 | }
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103 |
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104 | /**
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105 | * Test that two new segments that have different from/to are not merged
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106 | */
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107 | @Bug(101)
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108 | public void testNewSegmentNotMerged() {
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109 | v.visit(n);
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110 | Segment s1 = new Segment(n, dsNode);
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111 | v.visit(s1);
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112 | Segment s2 = new Segment(dsNode, n);
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113 | v.visit(s2);
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114 | assertEquals(2, ds.segments.size());
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115 | }
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116 |
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117 | public void testFixReferencesConflicts() {
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118 | // make two nodes mergable
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119 | dsNode.id = 1;
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120 | n.id = 1;
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121 | n.timestamp = new Date();
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122 | // have an old segment with the old node
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123 | Segment sold = new Segment(dsNode, dsNode);
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124 | sold.id = 23;
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125 | sold.modified = true;
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126 | ds.segments.add(sold);
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127 | // have a conflicting segment point to the new node
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128 | Segment s = new Segment(n,DataSetTestCaseHelper.createNode(null));
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129 | s.id = 23;
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130 | s.modified = true;
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131 |
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132 | v.visit(n); // merge
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133 | assertEquals(n.timestamp, dsNode.timestamp);
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134 | v.visit(s);
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135 | assertEquals(1, v.conflicts.size());
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136 | v.fixReferences();
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137 | assertSame(s.from, dsNode);
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138 | }
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139 |
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140 | public void testNoConflictForSame() {
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141 | dsNode.id = 1;
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142 | dsNode.modified = true;
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143 | n.cloneFrom(dsNode);
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144 | v.visit(n);
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145 | assertEquals(0, v.conflicts.size());
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146 | }
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147 |
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148 | /**
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149 | * Merge of an old segment with a new one. This should
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150 | * be mergable (if the nodes matches).
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151 | */
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152 | public void testMergeOldSegmentsWithNew() {
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153 | Node[] n = createNodes(ds, 2);
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154 | Segment ls1 = DataSetTestCaseHelper.createSegment(ds, n[0], n[1]);
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155 | ls1.id = 3;
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156 |
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157 | Node newnode = new Node(new LatLon(n[1].coor.lat(), n[1].coor.lon()));
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158 | Segment newls = new Segment(n[0], newnode);
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159 |
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160 | v.visit(newls);
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161 | assertEquals("segment should have been merged.", 1, ds.segments.size());
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162 | }
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163 |
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164 | /**
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165 | * Incomplete segments should always loose.
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166 | */
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167 | public void testImportIncomplete() throws Exception {
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168 | Segment s1 = DataSetTestCaseHelper.createSegment(ds, dsNode, dsNode);
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169 | s1.id = 1;
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170 | Segment s2 = new Segment(s1);
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171 | s1.incomplete = true;
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172 | s2.timestamp = new Date();
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173 | v.visit(s2);
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174 | assertTrue(s1.realEqual(s2));
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175 | }
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176 | /**
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177 | * Incomplete segments should extend existing ways.
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178 | */
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179 | public void testImportIncompleteExtendWays() throws Exception {
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180 | Segment s1 = DataSetTestCaseHelper.createSegment(ds, dsNode, dsNode);
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181 | Way w = DataSetTestCaseHelper.createWay(ds, new Segment[]{s1});
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182 | s1.id = 1;
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183 | Segment s2 = new Segment(s1);
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184 | s1.incomplete = true;
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185 | v.visit(s2);
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186 | v.fixReferences();
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187 | assertEquals(1, w.segments.size());
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188 | assertEquals(s2, w.segments.get(0));
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189 | assertFalse(s2.incomplete);
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190 | }
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191 |
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192 |
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193 | /**
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194 | * Nodes beeing merged are equal but should be the same.
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195 | */
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196 | @Bug(54)
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197 | public void testEqualNotSame() {
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198 | ds = new DataSet();
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199 | // create a dataset with segment a-b
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200 | Node n[] = createNodes(ds, 2);
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201 | Segment ls1 = DataSetTestCaseHelper.createSegment(ds, n[0], n[1]);
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202 | ls1.id = 1;
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203 |
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204 | // create an other dataset with segment a'-c (a' is equal, but not same to a)
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205 | DataSet ds2 = new DataSet();
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206 | Node n2[] = createNodes(ds2, 2);
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207 | n2[0].coor = new LatLon(n[0].coor.lat(), n[0].coor.lon());
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208 | n2[0].id = 0;
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209 | n2[1].id = 42;
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210 |
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211 | Segment ls2 = DataSetTestCaseHelper.createSegment(ds, n2[0], n2[1]);
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212 | v = new MergeVisitor(ds);
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213 | for (OsmPrimitive osm : ds2.allPrimitives())
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214 | osm.visit(v);
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215 | v.fixReferences();
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216 |
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217 | assertSame(ls1.from, ls2.from);
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218 | }
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219 |
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220 |
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221 | public void testCloneWayNotIncomplete() {
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222 | DataSet ds = new DataSet();
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223 | Node[] n = createNodes(ds, 2);
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224 | Segment s = DataSetTestCaseHelper.createSegment(ds, n[0], n[1]);
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225 | Way w = DataSetTestCaseHelper.createWay(ds, s);
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226 | MergeVisitor v = new MergeVisitor(ds);
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227 | v.visit(n[0]);
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228 | v.visit(n[1]);
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229 | v.visit(s);
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230 | v.visit(w);
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231 | Way w2 = new Way(w);
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232 | w2.timestamp = new Date();
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233 | Segment s2 = new Segment(s);
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234 | s2.incomplete = true;
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235 | w2.segments.clear();
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236 | w2.segments.add(s2);
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237 | v.visit(w2);
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238 | assertSame("Do not import incomplete segments when merging ways.", s, w.segments.iterator().next());
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239 | }
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240 |
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241 | /**
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242 | * When merging an incomplete way over a dataset that contain already all
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243 | * necessary segments, the way must be completed.
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244 | */
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245 | @Bug(117)
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246 | public void testMergeIncompleteOnExistingDoesNotComplete() {
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247 | // create a dataset with an segment (as base for the later incomplete way)
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248 | DataSet ds = new DataSet();
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249 | Node[] n = createNodes(ds, 2);
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250 | Segment s = DataSetTestCaseHelper.createSegment(ds, n[0], n[1]);
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251 | s.id = 23;
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252 | // create an incomplete way which references the former segment
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253 | Way w = new Way();
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254 | Segment incompleteSegment = new Segment(s.id);
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255 | w.segments.add(incompleteSegment);
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256 | w.id = 42;
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257 | // merge both
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258 | MergeVisitor v = new MergeVisitor(ds);
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259 | v.visit(w);
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260 | v.fixReferences();
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261 |
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262 | assertTrue(ds.ways.contains(w));
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263 | assertEquals(1, w.segments.size());
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264 | assertFalse(w.segments.get(0).incomplete);
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265 | }
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266 |
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267 | /**
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268 | * Deleted segments should be deleted when merged over unchanged segments.
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269 | * Deleted segments should also raise an conflict when merged over changed segments.
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270 | */
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271 | //TODO
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272 |
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273 | /**
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274 | * Create that amount of nodes and add them to the dataset. The id will be 1,2,3,4...
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275 | * @param amount Number of nodes to create.
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276 | * @return The created nodes.
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277 | */
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278 | private Node[] createNodes(DataSet ds, int amount) {
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279 | Node[] nodes = new Node[amount];
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280 | for (int i = 0; i < amount; ++i) {
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281 | nodes[i] = DataSetTestCaseHelper.createNode(ds);
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282 | nodes[i].id = i+1;
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283 | }
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284 | return nodes;
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285 | }
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286 | }
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