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Package: EMFFormsContextTracker_Test
EMFFormsContextTracker_Test
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| EMFFormsContextTracker_Test() |
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| addChild(EMFFormsViewContext, VElement, EMFFormsViewContext) |
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| changeDomainModel(EMFFormsViewContext) |
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| close() |
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| dispose(EMFFormsViewContext) |
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| initialize(EMFFormsViewContext) |
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| interceptListenerRegistration(Class, Map) |
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| interceptListenerUnregistration(Class, Map) |
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| isRoot() |
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| lambda$0(Class, Map, InvocationOnMock) |
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| lambda$1(Class, Map, InvocationOnMock) |
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| mockConsumer() |
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| mockContext(String) |
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| mockTriConsumer() |
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| onChildContextAdded() |
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| onChildContextRemoved() |
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| onContextDisposed_child() |
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| onContextDisposed_root() |
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| onContextInitialized_child() |
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| onDomainModelChanged_child() |
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| onDomainModelChanged_root() |
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| open() |
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| removeChild(EMFFormsViewContext, EMFFormsViewContext) |
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| requireContextListener(EMFFormsViewContext) |
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| requireRootDomainListener(EMFFormsViewContext) |
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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.emfforms.core.services.view;
15:
16: import static org.hamcrest.CoreMatchers.anything;
17: import static org.hamcrest.CoreMatchers.hasItem;
18: import static org.hamcrest.CoreMatchers.is;
19: import static org.hamcrest.CoreMatchers.not;
20: import static org.hamcrest.CoreMatchers.notNullValue;
21: import static org.junit.Assert.assertThat;
22: import static org.mockito.Matchers.any;
23: import static org.mockito.Mockito.doAnswer;
24: import static org.mockito.Mockito.mock;
25: import static org.mockito.Mockito.never;
26: import static org.mockito.Mockito.verify;
27:
28: import java.util.HashMap;
29: import java.util.Map;
30: import java.util.function.Consumer;
31:
32: import org.eclipse.emf.ecp.view.spi.model.VElement;
33: import org.eclipse.emfforms.common.TriConsumer;
34: import org.eclipse.emfforms.spi.core.services.view.EMFFormsContextListener;
35: import org.eclipse.emfforms.spi.core.services.view.EMFFormsContextTracker;
36: import org.eclipse.emfforms.spi.core.services.view.EMFFormsViewContext;
37: import org.eclipse.emfforms.spi.core.services.view.RootDomainModelChangeListener;
38: import org.junit.After;
39: import org.junit.Before;
40: import org.junit.Test;
41: import org.mockito.stubbing.Answer;
42:
43: /**
44: * Test cases for the {@link EMFFormsContextTracker} class.
45: */
46: @SuppressWarnings("nls")
47: public class EMFFormsContextTracker_Test {
48:
49: private final Map<EMFFormsViewContext, EMFFormsContextListener> contextListeners = new HashMap<>();
50: private final Map<EMFFormsViewContext, RootDomainModelChangeListener> rootDomainListeners = new HashMap<>();
51:
52: private final EMFFormsViewContext root = mockContext("root");
53: private final EMFFormsContextTracker fixture = new EMFFormsContextTracker(root);
54:
55: /**
56: * Initializes me.
57: */
58: public EMFFormsContextTracker_Test() {
59: super();
60: }
61:
62: @Test
63: public void onContextDisposed_root() {
64: final Consumer<EMFFormsViewContext> handler = mockConsumer();
65:
66: fixture.onContextDisposed(handler);
67:
68: dispose(root);
69:
70: verify(handler).accept(root);
71: }
72:
73: @Test
74: public void onContextDisposed_child() {
75: final EMFFormsViewContext child = mockContext("child");
76: final VElement parentView = mock(VElement.class);
77: addChild(root, parentView, child);
78:
79: final Consumer<EMFFormsViewContext> handler = mockConsumer();
80:
81: fixture.onContextDisposed(handler);
82:
83: dispose(child);
84:
85: verify(handler).accept(child);
86: verify(handler, never()).accept(root);
87: }
88:
89: @Test
90: public void isRoot() {
91: final EMFFormsViewContext child = mockContext("child");
92: final VElement parentView = mock(VElement.class);
93: addChild(root, parentView, child);
94:
95: assertThat("Root not root", fixture.isRoot(root), is(true));
96: assertThat("Child is root", fixture.isRoot(child), is(false));
97: }
98:
99: @Test
100: public void onChildContextAdded() {
101: final EMFFormsViewContext child = mockContext("child");
102: final VElement parentView = mock(VElement.class, "parentView");
103:
104: final TriConsumer<EMFFormsViewContext, VElement, EMFFormsViewContext> handler = mockTriConsumer();
105:
106: fixture.onChildContextAdded(handler);
107:
108: addChild(root, parentView, child);
109:
110: verify(handler).accept(root, parentView, child);
111: }
112:
113: @Test
114: public void onContextInitialized_child() {
115: final EMFFormsViewContext child = mockContext("child");
116: final VElement parentView = mock(VElement.class, "parentView");
117:
118: final Consumer<EMFFormsViewContext> handler = mockConsumer();
119:
120: fixture.onContextInitialized(handler);
121:
122: addChild(root, parentView, child);
123:
124: verify(handler).accept(child);
125: verify(handler, never()).accept(root);
126: }
127:
128: @Test
129: public void onChildContextRemoved() {
130: final EMFFormsViewContext child = mockContext("child");
131: final VElement parentView = mock(VElement.class, "parentView");
132: addChild(root, parentView, child);
133:
134: final TriConsumer<EMFFormsViewContext, VElement, EMFFormsViewContext> handler = mockTriConsumer();
135:
136: fixture.onChildContextRemoved(handler);
137:
138: removeChild(root, child);
139:
140: verify(handler).accept(root, parentView, child);
141: }
142:
143: @Test
144: public void onDomainModelChanged_root() {
145: final Consumer<EMFFormsViewContext> handler = mockConsumer();
146:
147: fixture.onDomainModelChanged(handler);
148:
149: changeDomainModel(root);
150:
151: verify(handler).accept(root);
152: }
153:
154: @Test
155: public void onDomainModelChanged_child() {
156: final EMFFormsViewContext child = mockContext("child");
157: final VElement parentView = mock(VElement.class, "parentView");
158: addChild(root, parentView, child);
159:
160: final Consumer<EMFFormsViewContext> handler = mockConsumer();
161:
162: fixture.onDomainModelChanged(handler);
163:
164: changeDomainModel(child);
165:
166: verify(handler).accept(child);
167: verify(handler, never()).accept(root);
168: }
169:
170: //
171: // Test framework
172: //
173:
174: @Before
175: public void open() {
176: fixture.open();
177: }
178:
179: @After
180: public void close() {
181: fixture.close();
182:
183: assertThat("Listeners not removed", contextListeners.keySet(), not(hasItem(anything())));
184: assertThat("Listeners not removed", rootDomainListeners.keySet(), not(hasItem(anything())));
185: }
186:
187: private EMFFormsViewContext mockContext(String name) {
188: final EMFFormsViewContext result = mock(EMFFormsViewContext.class, name);
189:
190: doAnswer(interceptListenerRegistration(EMFFormsContextListener.class, contextListeners))
191: .when(result).registerEMFFormsContextListener(any());
192: doAnswer(interceptListenerRegistration(RootDomainModelChangeListener.class, rootDomainListeners))
193: .when(result).registerRootDomainModelChangeListener(any());
194:
195: doAnswer(interceptListenerUnregistration(EMFFormsContextListener.class, contextListeners))
196: .when(result).unregisterEMFFormsContextListener(any());
197: doAnswer(interceptListenerUnregistration(RootDomainModelChangeListener.class, rootDomainListeners))
198: .when(result).unregisterRootDomainModelChangeListener(any());
199:
200: return result;
201: }
202:
203: private <T> Answer<T> interceptListenerRegistration(Class<T> type,
204: Map<? super EMFFormsViewContext, ? super T> map) {
205: return invocation -> {
206: final T listener = type.cast(invocation.getArguments()[0]);
207: map.put((EMFFormsViewContext) invocation.getMock(), listener);
208: return null;
209: };
210: }
211:
212: private <T> Answer<T> interceptListenerUnregistration(Class<T> type,
213: Map<? super EMFFormsViewContext, ? super T> map) {
214: return invocation -> {
215: final T listener = type.cast(invocation.getArguments()[0]);
216: map.remove(invocation.getMock(), listener);
217: return null;
218: };
219: }
220:
221: @SuppressWarnings("unchecked")
222: <T> Consumer<T> mockConsumer() {
223: return mock(Consumer.class);
224: }
225:
226: @SuppressWarnings("unchecked")
227: <T, U, V> TriConsumer<T, U, V> mockTriConsumer() {
228: return mock(TriConsumer.class);
229: }
230:
231: private EMFFormsContextListener requireContextListener(EMFFormsViewContext context) {
232: final EMFFormsContextListener result = contextListeners.get(context);
233: assertThat(String.format("No context listener for %s", context), result, notNullValue());
234: return result;
235: }
236:
237: private RootDomainModelChangeListener requireRootDomainListener(EMFFormsViewContext context) {
238: final RootDomainModelChangeListener result = rootDomainListeners.get(context);
239: assertThat(String.format("No root domain model listener for %s", context), result, notNullValue());
240: return result;
241: }
242:
243: void dispose(EMFFormsViewContext context) {
244: requireContextListener(context).contextDispose();
245: }
246:
247: void initialize(EMFFormsViewContext context) {
248: requireContextListener(context).contextInitialised();
249: }
250:
251: void addChild(EMFFormsViewContext parent, VElement parentView, EMFFormsViewContext child) {
252: requireContextListener(parent).childContextAdded(parentView, child);
253: initialize(child);
254: }
255:
256: void removeChild(EMFFormsViewContext parent, EMFFormsViewContext child) {
257: dispose(child);
258: requireContextListener(parent).childContextDisposed(child);
259: }
260:
261: void changeDomainModel(EMFFormsViewContext context) {
262: requireRootDomainListener(context).notifyChange();
263: }
264:
265: }