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Package: Labelizer_Test
Labelizer_Test
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| Labelizer_Test() |
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| getLabel_defaultAdapterFactory() |
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| getLabel_registeredAdapterFactory() |
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| intern() |
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| static {...} |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2019 Christian W. Damus and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Christian W. Damus - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.common.spi;
15:
16: import static org.hamcrest.CoreMatchers.hasItem;
17: import static org.hamcrest.CoreMatchers.is;
18: import static org.hamcrest.CoreMatchers.not;
19: import static org.hamcrest.CoreMatchers.notNullValue;
20: import static org.hamcrest.CoreMatchers.sameInstance;
21: import static org.hamcrest.MatcherAssert.assertThat;
22: import static org.junit.Assume.assumeThat;
23:
24: import java.util.Arrays;
25: import java.util.Collection;
26: import java.util.Map;
27: import java.util.concurrent.TimeUnit;
28:
29: import org.eclipse.emf.common.notify.Adapter;
30: import org.eclipse.emf.common.notify.AdapterFactory;
31: import org.eclipse.emf.ecore.EObject;
32: import org.eclipse.emf.ecore.EPackage;
33: import org.eclipse.emf.ecore.EcorePackage;
34: import org.eclipse.emf.ecore.provider.EAttributeItemProvider;
35: import org.eclipse.emf.ecore.provider.EcoreItemProviderAdapterFactory;
36: import org.eclipse.emf.ecp.common.test.model.TestFactory;
37: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
38: import org.eclipse.emf.edit.provider.IItemLabelProvider;
39: import org.eclipse.emf.edit.provider.ReflectiveItemProvider;
40: import org.junit.Rule;
41: import org.junit.Test;
42: import org.junit.rules.TestRule;
43: import org.junit.rules.Timeout;
44:
45: /**
46: * Unit tests for the {@link Labelizer} API.
47: */
48: public class Labelizer_Test {
49:
50: @Rule
51: public final TestRule timeout = new Timeout(5, TimeUnit.SECONDS);
52:
53: static {
54: // Ensure that the item-provider adapter factory registry has what our test needs
55: final Collection<?> types = Arrays.asList(EcorePackage.eINSTANCE, IItemLabelProvider.class);
56: ComposedAdapterFactory.Descriptor desc = ComposedAdapterFactory.Descriptor.Registry.INSTANCE
57: .getDescriptor(types);
58:• if (desc == null) {
59: desc = new ComposedAdapterFactory.Descriptor() {
60:
61: @Override
62: public AdapterFactory createAdapterFactory() {
63: return new EcoreItemProviderAdapterFactory();
64: }
65: };
66:
67: @SuppressWarnings("unchecked")
68: final Map<Collection<?>, ComposedAdapterFactory.Descriptor> registryMap = (Map<Collection<?>, ComposedAdapterFactory.Descriptor>) ComposedAdapterFactory.Descriptor.Registry.INSTANCE;
69: registryMap.put(types, desc);
70: }
71: }
72:
73: /**
74: * Initializes me.
75: */
76: public Labelizer_Test() {
77: super();
78: }
79:
80: @Test
81: public void intern() {
82: final Labelizer instance1 = Labelizer.get(EcorePackage.eINSTANCE);
83: final Labelizer instance2 = Labelizer.get(EcorePackage.eINSTANCE);
84:
85: assertThat("Non-unique instances", instance2, sameInstance(instance1));
86: }
87:
88: @Test
89: public void getLabel_registeredAdapterFactory() {
90: final EObject object = EcorePackage.Literals.EATTRIBUTE__ID;
91: final Labelizer labelizer = Labelizer.get(object);
92: final String actualLabel = labelizer.getLabel(object);
93: final String expectedLabel = new EAttributeItemProvider(null).getText(object);
94:
95: assertThat(actualLabel, is(expectedLabel));
96: }
97:
98: @Test
99: public void getLabel_defaultAdapterFactory() {
100: // We don't have an EMF.Edit implementation for these
101: final EObject object = TestFactory.eINSTANCE.createTest1();
102: final Labelizer labelizer = Labelizer.get(object);
103: final String actualLabel = labelizer.getLabel(object);
104: final String expectedLabel = new ReflectiveItemProvider(null).getText(object);
105:
106: assertThat(actualLabel, is(expectedLabel));
107: }
108:
109: @Test
110: public void asyncCleanUp() throws Exception {
111: final EPackage ePackage = EcorePackage.eINSTANCE;
112: Labelizer.get(ePackage).getLabel(ePackage);
113:
114: final Adapter itemProvider = ePackage.eAdapters().stream().filter(IItemLabelProvider.class::isInstance)
115: .findFirst().orElse(null);
116: assumeThat("No item-provider adapter attached", itemProvider, notNullValue());
117:
118:• for (int i = 0; i < 15; i++) {
119:• if (!ePackage.eAdapters().contains(itemProvider)) {
120: break;
121: }
122:
123: System.gc();
124: Thread.sleep(500L);
125: }
126:
127: assertThat("Item providers not disposed", ePackage.eAdapters(), not(hasItem(itemProvider)));
128: }
129:
130: }