1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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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.assertNull;
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6 |
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7 | import org.junit.Before;
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8 | import org.junit.Rule;
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9 | import org.junit.Test;
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10 | import org.openstreetmap.josm.Main;
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11 | import org.openstreetmap.josm.data.osm.DataSet;
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12 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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13 | import org.openstreetmap.josm.gui.layer.LayerManagerTest.TestLayer;
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14 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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15 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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16 |
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17 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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18 |
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19 | /**
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20 | * Unit tests for class {@link MergeLayerAction}.
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21 | */
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22 | public class MergeLayerActionTest {
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23 |
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24 | /**
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25 | * Setup test.
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26 | */
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27 | @Rule
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28 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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29 | public JOSMTestRules test = new JOSMTestRules().platform().mainMenu();
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30 |
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31 | private MergeLayerAction action;
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32 |
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33 | /**
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34 | * Setup test.
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35 | */
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36 | @Before
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37 | public void setUp() {
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38 | try {
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39 | LayerListDialog.getInstance();
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40 | } catch (IllegalStateException e) {
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41 | LayerListDialog.createInstance(Main.getLayerManager());
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42 | Main.trace(e);
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43 | }
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44 | if (action == null) {
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45 | action = new MergeLayerAction();
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46 | }
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47 | for (TestLayer testLayer : Main.getLayerManager().getLayersOfType(TestLayer.class)) {
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48 | Main.getLayerManager().removeLayer(testLayer);
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49 | }
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50 | }
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51 |
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52 | /**
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53 | * Tests that no error occurs when no source layer exists.
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54 | */
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55 | @Test
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56 | public void testMergeNoSourceLayer() {
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57 | assertNull(Main.getLayerManager().getActiveLayer());
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58 | action.actionPerformed(null);
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59 | assertEquals(0, Main.getLayerManager().getLayers().size());
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60 | }
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61 |
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62 | /**
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63 | * Tests that no error occurs when no target layer exists.
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64 | */
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65 | @Test
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66 | public void testMergeNoTargetLayer() {
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67 | OsmDataLayer layer = new OsmDataLayer(new DataSet(), "", null);
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68 | Main.getLayerManager().addLayer(layer);
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69 | assertEquals(1, Main.getLayerManager().getLayers().size());
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70 | assertNull(action.merge(layer));
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71 | assertEquals(1, Main.getLayerManager().getLayers().size());
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72 | }
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73 |
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74 | /**
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75 | * Tests that the merge is done with two empty layers.
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76 | * @throws Exception if any error occurs
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77 | */
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78 | @Test
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79 | public void testMergeTwoEmptyLayers() throws Exception {
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80 | OsmDataLayer layer1 = new OsmDataLayer(new DataSet(), "1", null);
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81 | OsmDataLayer layer2 = new OsmDataLayer(new DataSet(), "2", null);
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82 | Main.getLayerManager().addLayer(layer1);
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83 | Main.getLayerManager().addLayer(layer2);
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84 | assertEquals(2, Main.getLayerManager().getLayers().size());
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85 | action.merge(layer2).get();
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86 | assertEquals(1, Main.getLayerManager().getLayers().size());
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87 | }
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88 | }
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