1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm;
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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.assertFalse;
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6 | import static org.junit.Assert.assertNotNull;
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7 | import static org.junit.Assert.assertTrue;
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8 |
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9 | import java.util.Arrays;
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10 | import java.util.Collection;
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11 | import java.util.Collections;
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12 | import java.util.List;
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13 |
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14 | import org.junit.After;
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15 | import org.junit.Test;
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16 | import org.openstreetmap.josm.TestUtils;
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17 | import org.openstreetmap.josm.data.UserIdentityManager;
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18 |
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19 | /**
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20 | * Unit test of {@link ChangesetCache}
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21 | */
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22 | public class ChangesetCacheTest {
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23 |
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24 | /**
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25 | * Clears cache after each unit test.
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26 | */
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27 | @After
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28 | public void after() {
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29 | ChangesetCache.getInstance().clear();
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30 | }
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31 |
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32 | /**
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33 | * Unit test of {@link ChangesetCache#ChangesetCache}
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34 | */
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35 | @Test
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36 | public void testConstructor() {
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37 | assertNotNull(ChangesetCache.getInstance());
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38 | }
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39 |
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40 | @SuppressWarnings("unchecked")
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41 | private static List<ChangesetCacheListener> getListeners(ChangesetCache cache) throws ReflectiveOperationException {
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42 | return (List<ChangesetCacheListener>) TestUtils.getPrivateField(cache, "listeners");
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43 | }
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44 |
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45 | @Test
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46 | public void testAddAndRemoveListeners() throws ReflectiveOperationException {
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47 | ChangesetCache cache = ChangesetCache.getInstance();
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48 | cache.clear();
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49 |
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50 | // should work
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51 | cache.addChangesetCacheListener(null);
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52 |
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53 | // should work
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54 | ChangesetCacheListener listener = new ChangesetCacheListener() {
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55 | @Override
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56 | public void changesetCacheUpdated(ChangesetCacheEvent event) {}
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57 | };
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58 | cache.addChangesetCacheListener(listener);
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59 | // adding a second time - should work too
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60 | cache.addChangesetCacheListener(listener);
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61 | assertEquals(1, getListeners(cache).size()); // ... but only added once
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62 |
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63 | cache.removeChangesetCacheListener(null);
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64 |
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65 | cache.removeChangesetCacheListener(listener);
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66 | assertTrue(getListeners(cache).isEmpty());
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67 | }
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68 |
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69 | @Test
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70 | public void testUpdateGetRemoveCycle() {
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71 | ChangesetCache cache = ChangesetCache.getInstance();
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72 | cache.clear();
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73 |
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74 | cache.update(new Changeset(1));
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75 | assertEquals(1, cache.size());
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76 | assertNotNull(cache.get(1));
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77 | assertEquals(1, cache.get(1).getId());
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78 | cache.remove(1);
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79 | assertEquals(0, cache.size());
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80 | }
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81 |
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82 | @Test
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83 | public void testUpdateTwice() {
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84 | ChangesetCache cache = ChangesetCache.getInstance();
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85 | cache.clear();
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86 |
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87 | Changeset cs = new Changeset(1);
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88 | cs.setIncomplete(false);
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89 | cs.put("key1", "value1");
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90 | cs.setOpen(true);
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91 | cache.update(cs);
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92 |
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93 | Changeset cs2 = new Changeset(cs);
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94 | assertNotNull(cs2);
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95 | cs2.put("key2", "value2");
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96 | cs2.setOpen(false);
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97 | cache.update(cs2);
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98 |
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99 | assertEquals(1, cache.size());
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100 | assertNotNull(cache.get(1));
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101 |
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102 | cs = cache.get(1);
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103 | assertEquals("value1", cs.get("key1"));
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104 | assertEquals("value2", cs.get("key2"));
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105 | assertFalse(cs.isOpen());
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106 | }
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107 |
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108 | @Test
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109 | public void testContains() throws ReflectiveOperationException {
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110 | ChangesetCache cache = ChangesetCache.getInstance();
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111 | getListeners(cache).clear();
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112 | cache.clear();
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113 |
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114 | Changeset cs = new Changeset(1);
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115 | cache.update(cs);
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116 |
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117 | assertTrue(cache.contains(1));
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118 | assertTrue(cache.contains(cs));
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119 | assertTrue(cache.contains(new Changeset(cs)));
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120 |
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121 | assertFalse(cache.contains(2));
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122 | assertFalse(cache.contains(new Changeset(2)));
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123 | assertFalse(cache.contains(null));
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124 | }
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125 |
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126 | @Test
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127 | public void testFireingEventsAddAChangeset() throws ReflectiveOperationException {
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128 | ChangesetCache cache = ChangesetCache.getInstance();
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129 | cache.clear();
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130 | getListeners(cache).clear();
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131 |
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132 | // should work
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133 | ChangesetCacheListener listener = new ChangesetCacheListener() {
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134 | @Override
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135 | public void changesetCacheUpdated(ChangesetCacheEvent event) {
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136 | assertNotNull(event);
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137 | assertEquals(1, event.getAddedChangesets().size());
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138 | assertTrue(event.getRemovedChangesets().isEmpty());
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139 | assertTrue(event.getUpdatedChangesets().isEmpty());
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140 | assertEquals(cache, event.getSource());
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141 | }
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142 | };
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143 | cache.addChangesetCacheListener(listener);
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144 | cache.update(new Changeset(1));
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145 | cache.removeChangesetCacheListener(listener);
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146 | }
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147 |
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148 | @Test
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149 | public void testFireingEventsUpdateChangeset() throws ReflectiveOperationException {
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150 | ChangesetCache cache = ChangesetCache.getInstance();
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151 | cache.clear();
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152 | getListeners(cache).clear();
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153 |
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154 | // should work
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155 | ChangesetCacheListener listener = new ChangesetCacheListener() {
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156 | @Override
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157 | public void changesetCacheUpdated(ChangesetCacheEvent event) {
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158 | assertNotNull(event);
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159 | assertTrue(event.getAddedChangesets().isEmpty());
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160 | assertTrue(event.getRemovedChangesets().isEmpty());
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161 | assertEquals(1, event.getUpdatedChangesets().size());
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162 | assertEquals(cache, event.getSource());
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163 | }
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164 | };
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165 | cache.update(new Changeset(1));
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166 |
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167 | cache.addChangesetCacheListener(listener);
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168 | cache.update(new Changeset(1));
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169 | cache.removeChangesetCacheListener(listener);
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170 | }
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171 |
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172 | @Test
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173 | public void testFireingEventsRemoveChangeset() throws ReflectiveOperationException {
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174 | ChangesetCache cache = ChangesetCache.getInstance();
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175 | cache.clear();
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176 | getListeners(cache).clear();
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177 |
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178 | // should work
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179 | ChangesetCacheListener listener = new ChangesetCacheListener() {
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180 | @Override
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181 | public void changesetCacheUpdated(ChangesetCacheEvent event) {
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182 | assertNotNull(event);
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183 | assertTrue(event.getAddedChangesets().isEmpty());
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184 | assertEquals(1, event.getRemovedChangesets().size());
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185 | assertTrue(event.getUpdatedChangesets().isEmpty());
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186 | assertEquals(cache, event.getSource());
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187 | }
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188 | };
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189 | cache.update(new Changeset(1));
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190 |
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191 | cache.addChangesetCacheListener(listener);
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192 | cache.remove(1);
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193 | cache.removeChangesetCacheListener(listener);
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194 | }
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195 |
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196 | /**
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197 | * Unit test of methods {@link ChangesetCache#getOpenChangesets} / {@link ChangesetCache#getChangesets}.
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198 | */
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199 | @Test
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200 | public void testGetOpenChangesets() {
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201 | final ChangesetCache cache = ChangesetCache.getInstance();
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202 | // empty cache => empty list
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203 | assertTrue(
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204 | "Empty cache should produce an empty list.",
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205 | cache.getOpenChangesets().isEmpty()
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206 | );
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207 | assertTrue(
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208 | "Empty cache should produce an empty list.",
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209 | cache.getChangesets().isEmpty()
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210 | );
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211 |
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212 | // cache with only closed changesets => empty list
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213 | Changeset closedCs = new Changeset(1);
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214 | closedCs.setOpen(false);
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215 | cache.update(closedCs);
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216 | assertTrue(
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217 | "Cache with only closed changesets should produce an empty list.",
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218 | cache.getOpenChangesets().isEmpty()
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219 | );
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220 | assertEquals(1, cache.getChangesets().size());
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221 |
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222 | // cache with open and closed changesets => list with only the open ones
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223 | Changeset openCs = new Changeset(2);
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224 | openCs.setOpen(true);
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225 | cache.update(openCs);
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226 | assertEquals(
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227 | Collections.singletonList(openCs),
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228 | cache.getOpenChangesets()
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229 | );
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230 | assertEquals(2, cache.getChangesets().size());
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231 | }
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232 |
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233 | /**
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234 | * Unit test of method {@link ChangesetCache#getOpenChangesetsForCurrentUser}.
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235 | */
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236 | @Test
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237 | public void testGetOpenChangesetsForCurrentUser() {
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238 | final ChangesetCache cache = ChangesetCache.getInstance();
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239 | // empty cache => empty list
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240 | assertTrue(
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241 | "Empty cache should produce an empty list.",
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242 | cache.getOpenChangesetsForCurrentUser().isEmpty()
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243 | );
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244 |
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245 | Changeset openCs1 = new Changeset(1);
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246 | openCs1.setOpen(true);
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247 | openCs1.setUser(User.getAnonymous());
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248 | cache.update(openCs1);
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249 |
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250 | Changeset openCs2 = new Changeset(2);
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251 | openCs2.setOpen(true);
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252 | openCs2.setUser(User.createLocalUser("foo"));
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253 | cache.update(openCs2);
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254 |
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255 | Changeset closedCs = new Changeset(3);
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256 | closedCs.setOpen(false);
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257 | cache.update(closedCs);
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258 |
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259 | assertEquals(3, cache.getChangesets().size());
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260 |
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261 | UserIdentityManager.getInstance().setAnonymous();
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262 | assertEquals(2, cache.getOpenChangesetsForCurrentUser().size());
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263 |
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264 | UserIdentityManager.getInstance().setPartiallyIdentified("foo");
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265 | assertEquals(1, cache.getOpenChangesetsForCurrentUser().size());
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266 | }
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267 |
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268 | /**
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269 | * Unit test of methods {@link ChangesetCache#remove}.
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270 | */
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271 | @Test
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272 | public void testRemove() {
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273 | final ChangesetCache cache = ChangesetCache.getInstance();
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274 | Changeset cs1 = new Changeset(1);
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275 | cache.update(cs1);
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276 | assertEquals(1, cache.getChangesets().size());
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277 |
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278 | cache.remove((Changeset) null);
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279 | cache.remove(cs1);
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280 | assertTrue(cache.getChangesets().isEmpty());
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281 |
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282 | Changeset cs2 = new Changeset(2);
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283 | cache.update((Collection<Changeset>) null);
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284 | cache.update(Arrays.asList(cs1, cs2));
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285 | assertEquals(2, cache.getChangesets().size());
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286 |
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287 | cache.remove((Collection<Changeset>) null);
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288 | cache.remove(Arrays.asList(cs1, cs2));
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289 | assertTrue(cache.getChangesets().isEmpty());
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290 | }
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291 | }
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