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Package: PreSetValidationListeners_PTest
PreSetValidationListeners_PTest
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| PreSetValidationListeners_PTest() |
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| assertError(VElement) |
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| comboVerification() |
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| comboVerification_noVElement() |
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| createShell() |
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| destroyShell() |
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| domainModelChange() |
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| lambda$0(InvocationOnMock) |
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| lambda$1(Map, InvocationOnMock) |
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| lambda$10(List, InvocationOnMock) |
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| lambda$11(List, InvocationOnMock) |
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| lambda$2(Map, InvocationOnMock) |
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| lambda$3(InvocationOnMock) |
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| lambda$4(List, List, InvocationOnMock) |
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| lambda$8(List, InvocationOnMock) |
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| lambda$9(List, InvocationOnMock) |
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| mockContext() |
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| mockValidation() |
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| multipleInstantiation() |
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| singleInstantiation() |
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| textVerification() |
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| textVerification_noVElement() |
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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.edit.internal.swt.util;
15:
16: import static org.hamcrest.CoreMatchers.both;
17: import static org.hamcrest.CoreMatchers.instanceOf;
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.hamcrest.CoreMatchers.sameInstance;
22: import static org.hamcrest.MatcherAssert.assertThat;
23: import static org.mockito.Matchers.any;
24: import static org.mockito.Matchers.anyString;
25: import static org.mockito.Mockito.doAnswer;
26: import static org.mockito.Mockito.mock;
27: import static org.mockito.Mockito.never;
28: import static org.mockito.Mockito.verify;
29: import static org.mockito.Mockito.when;
30:
31: import java.util.ArrayList;
32: import java.util.HashMap;
33: import java.util.List;
34: import java.util.Map;
35:
36: import org.eclipse.emf.common.util.BasicDiagnostic;
37: import org.eclipse.emf.common.util.Diagnostic;
38: import org.eclipse.emf.ecore.EStructuralFeature;
39: import org.eclipse.emf.ecore.EcoreFactory;
40: import org.eclipse.emf.ecore.EcorePackage;
41: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
42: import org.eclipse.emf.ecp.view.spi.model.VControl;
43: import org.eclipse.emf.ecp.view.spi.model.VDiagnostic;
44: import org.eclipse.emf.ecp.view.spi.model.VElement;
45: import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
46: import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTTestUtil;
47: import org.eclipse.emfforms.spi.common.validation.PreSetValidationService;
48: import org.eclipse.emfforms.spi.core.services.view.EMFFormsContextListener;
49: import org.eclipse.emfforms.spi.core.services.view.RootDomainModelChangeListener;
50: import org.eclipse.swt.SWT;
51: import org.eclipse.swt.widgets.Combo;
52: import org.eclipse.swt.widgets.Shell;
53: import org.eclipse.swt.widgets.Text;
54: import org.eclipse.swtbot.swt.finder.SWTBot;
55: import org.junit.After;
56: import org.junit.Before;
57: import org.junit.Test;
58: import org.junit.runner.RunWith;
59: import org.mockito.Mock;
60: import org.mockito.runners.MockitoJUnitRunner;
61:
62: /**
63: * Tests for the {@link PreSetValidationListeners} class.
64: */
65: @SuppressWarnings("nls")
66: @RunWith(MockitoJUnitRunner.class)
67: public class PreSetValidationListeners_PTest {
68:
69: @Mock
70: private PreSetValidationService service;
71:
72: private Shell shell;
73: private SWTBot bot;
74:
75: /**
76: * Initializes me.
77: */
78: public PreSetValidationListeners_PTest() {
79: super();
80: }
81:
82: /**
83: * Verify management of instances of the class: a single instance for any view-model context.
84: */
85: @Test
86: public void singleInstantiation() {
87: final ViewModelContext ctx = mockContext();
88: final PreSetValidationListeners l1 = PreSetValidationListeners.create(ctx);
89:
90: final PreSetValidationListeners l2 = PreSetValidationListeners.create(ctx);
91: assertThat(l2, sameInstance(l1));
92:
93: final PreSetValidationListeners l3 = PreSetValidationListeners.create(ctx);
94: assertThat(l3, sameInstance(l1));
95: }
96:
97: /**
98: * Verify management of instances of the class: a different instance for different view-model contexts.
99: */
100: @Test
101: public void multipleInstantiation() {
102: final ViewModelContext ctx1 = mockContext();
103: final PreSetValidationListeners l1 = PreSetValidationListeners.create(ctx1);
104:
105: final ViewModelContext ctx2 = mockContext();
106: final PreSetValidationListeners l2 = PreSetValidationListeners.create(ctx2);
107: assertThat(l2, not(sameInstance(l1)));
108:
109: final ViewModelContext ctx3 = mockContext();
110: final PreSetValidationListeners l3 = PreSetValidationListeners.create(ctx3);
111: assertThat(l3, both(not(sameInstance(l1))).and(not(sameInstance(l2))));
112: }
113:
114: /**
115: * Verify the support for verify listener on a text field.
116: */
117: @Test
118: public void textVerification() {
119: final Text text = new Text(shell, SWT.BORDER);
120:
121: final VControl control = VViewFactory.eINSTANCE.createControl();
122: final EStructuralFeature feature = EcorePackage.Literals.ENAMED_ELEMENT__NAME;
123: PreSetValidationListeners.create(mockContext()).verify(text, feature, control);
124: SWTTestUtil.waitForUIThread();
125:
126: bot.text().setText("foo");
127:
128: verify(service).validate(feature, "foo");
129: assertError(control);
130: }
131:
132: /**
133: * Verify the support for verify listener on a combo field.
134: */
135: @Test
136: public void comboVerification() {
137: final Combo combo = new Combo(shell, SWT.DROP_DOWN);
138:
139: final VControl control = VViewFactory.eINSTANCE.createControl();
140: final EStructuralFeature feature = EcorePackage.Literals.ENAMED_ELEMENT__NAME;
141: PreSetValidationListeners.create(mockContext()).verify(combo, feature, control);
142: SWTTestUtil.waitForUIThread();
143:
144: bot.comboBox().setText("foo");
145:
146: verify(service).validate(feature, "foo");
147: assertError(control);
148: }
149:
150: /**
151: * Verify the support for verify listener on a text field that is not a rendering of a view
152: * model element.
153: */
154: @Test
155: public void textVerification_noVElement() {
156: final Text text = new Text(shell, SWT.BORDER);
157:
158: final EStructuralFeature feature = EcorePackage.Literals.ENAMED_ELEMENT__NAME;
159: PreSetValidationListeners.create(mockContext()).verify(text, feature);
160: SWTTestUtil.waitForUIThread();
161:
162: bot.text().setText("foo");
163:
164: verify(service).validateLoose(feature, "foo");
165: }
166:
167: /**
168: * Verify the support for verify listener on a combo field that is not a rendering of a view
169: * model element.
170: */
171: @Test
172: public void comboVerification_noVElement() {
173: final Combo combo = new Combo(shell, SWT.DROP_DOWN);
174:
175: final EStructuralFeature feature = EcorePackage.Literals.ENAMED_ELEMENT__NAME;
176: PreSetValidationListeners.create(mockContext()).verify(combo, feature);
177: SWTTestUtil.waitForUIThread();
178:
179: bot.comboBox().setText("foo");
180:
181: verify(service).validateLoose(feature, "foo");
182: }
183:
184: /**
185: * Verify that the pre-set validation does not happen during root domain model change
186: * in the view model context.
187: */
188: @Test
189: public void domainModelChange() {
190: final Text text = new Text(shell, SWT.BORDER);
191:
192: final VControl control = VViewFactory.eINSTANCE.createControl();
193: final EStructuralFeature feature = EcorePackage.Literals.ENAMED_ELEMENT__NAME;
194: final ViewModelContext ctx = mockContext();
195: PreSetValidationListeners.create(ctx).verify(text, feature, control);
196: SWTTestUtil.waitForUIThread();
197:
198: // We should pause listening while the domain model is changed
199:
200: ctx.changeDomainModel(EcoreFactory.eINSTANCE.createEObject());
201: bot.text().setText("loaded from model");
202: SWTTestUtil.waitForUIThread();
203:
204: verify(service, never()).validate(any(), any());
205:
206: // After domain model change is processed, we resume listening
207:
208: bot.text().setText("foo");
209: SWTTestUtil.waitForUIThread();
210:
211: verify(service).validate(feature, "foo");
212: assertError(control);
213: }
214:
215: //
216: // Test framework
217: //
218:
219: @Before
220: public void createShell() {
221: shell = new Shell();
222: shell.open();
223: bot = new SWTBot(shell);
224: }
225:
226: @Before
227: public void mockValidation() {
228: when(service.validateLoose(any(), any())).thenReturn(Diagnostic.OK_INSTANCE);
229: when(service.validate(any(), any()))
230: .then(invocation -> new BasicDiagnostic(Diagnostic.ERROR, "test", 0, "Test error", null));
231: }
232:
233: @After
234: public void destroyShell() {
235: shell.dispose();
236: shell = null;
237: }
238:
239: ViewModelContext mockContext() {
240: final ViewModelContext result = mock(ViewModelContext.class);
241:
242: // Mock management of context values
243: final Map<String, Object> values = new HashMap<>();
244: when(result.getContextValue(anyString())).then(invocation -> values.get(invocation.getArguments()[0]));
245: doAnswer(invocation -> values.put((String) invocation.getArguments()[0], invocation.getArguments()[1]))
246: .when(result).putContextValue(anyString(), any());
247:
248: // Mock access to certain critical services
249: when(result.getService(PreSetValidationService.class)).thenReturn(service);
250:• when(result.hasService(any())).thenAnswer(invocation -> ((ViewModelContext) invocation.getMock())
251: .getService((Class<?>) invocation.getArguments()[0]) != null);
252:
253: // Mock support for root domain model change
254: final List<EMFFormsContextListener> listeners = new ArrayList<>();
255: final List<RootDomainModelChangeListener> domainModelListeners = new ArrayList<>();
256: doAnswer(invocation -> {
257: listeners.forEach(EMFFormsContextListener::contextDispose);
258: domainModelListeners.forEach(RootDomainModelChangeListener::notifyChange);
259: listeners.forEach(EMFFormsContextListener::contextInitialised);
260: return null;
261: }).when(result).changeDomainModel(any());
262: doAnswer(invocation -> {
263: listeners.add((EMFFormsContextListener) invocation.getArguments()[0]);
264: return null;
265: }).when(result).registerEMFFormsContextListener(any());
266: doAnswer(invocation -> {
267: listeners.remove(invocation.getArguments()[0]);
268: return null;
269: }).when(result).unregisterEMFFormsContextListener(any());
270: doAnswer(invocation -> {
271: domainModelListeners.add((RootDomainModelChangeListener) invocation.getArguments()[0]);
272: return null;
273: }).when(result).registerRootDomainModelChangeListener(any());
274: doAnswer(invocation -> {
275: domainModelListeners.remove(invocation.getArguments()[0]);
276: return null;
277: }).when(result).unregisterRootDomainModelChangeListener(any());
278:
279: return result;
280: }
281:
282: void assertError(VElement viewModel) {
283: final VDiagnostic vDiagnostic = viewModel.getDiagnostic();
284: assertThat("No diagnostic attached to view model", vDiagnostic, notNullValue());
285: assertThat("No diagnostics", vDiagnostic.getDiagnostics().isEmpty(), is(false));
286:
287: final Object first = vDiagnostic.getDiagnostics().get(0);
288: assertThat("Not a diagnostic", first, instanceOf(Diagnostic.class));
289: assertThat("Not an error", ((Diagnostic) vDiagnostic.getDiagnostics().get(0)).getSeverity(),
290: is(Diagnostic.ERROR));
291: }
292:
293: }