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