tests/org.eclipse.emf.ecp.view.table.ui.nebula.grid.test/src/org/eclipse/emf/ecp/view/spi/table/nebula/grid/GridControlDetailPanelRenderer_PTest.java - emfclient/org.eclipse.emf.ecp.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011-2018 EclipseSource Muenchen GmbH and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  * Lucas Koehler - initial API and implementation
  ******************************************************************************/
 package org.eclipse.emf.ecp.view.spi.table.nebula.grid;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;

 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 import java.text.MessageFormat;

 import org.eclipse.emf.ecore.EAttribute;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EReference;
 import org.eclipse.emf.ecore.EcoreFactory;
 import org.eclipse.emf.ecore.EcorePackage;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.ecp.view.internal.table.nebula.grid.GridTestsUtil;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
 import org.eclipse.emf.ecp.view.spi.model.VElement;
 import org.eclipse.emf.ecp.view.spi.model.VView;
 import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
 import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
 import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
 import org.eclipse.emf.ecp.view.spi.table.model.DetailEditing;
 import org.eclipse.emf.ecp.view.spi.table.model.VTableControl;
 import org.eclipse.emf.ecp.view.spi.util.swt.ImageRegistryService;
 import org.eclipse.emf.ecp.view.table.test.common.TableControlHandle;
 import org.eclipse.emf.ecp.view.table.test.common.TableTestUtil;
 import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
 import org.eclipse.emf.ecp.view.test.common.swt.spi.DatabindingClassRunner;
 import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTTestUtil;
 import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTViewTestHelper;
 import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTViewTestHelper.RendererResult;
 import org.eclipse.emfforms.spi.common.converter.EStructuralFeatureValueConverterService;
 import org.eclipse.emfforms.spi.common.report.ReportService;
 import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
 import org.eclipse.emfforms.spi.core.services.editsupport.EMFFormsEditSupport;
 import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
 import org.eclipse.emfforms.spi.localization.EMFFormsLocalizationService;
 import org.eclipse.emfforms.spi.swt.core.EMFFormsNoRendererException;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.nebula.jface.gridviewer.GridTableViewer;
 import org.eclipse.nebula.widgets.grid.Grid;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.SashForm;
 import org.eclipse.swt.custom.ScrolledComposite;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Shell;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;

 /**
  * Unit tests for the {@link GridControlDetailPanelRenderer}.
  *
  * @author Lucas Koehler
  *
  */
 @RunWith(DatabindingClassRunner.class)
 public class GridControlDetailPanelRenderer_PTest {

 	private static String log;
 	private static PrintStream systemErr;
 	private Shell shell;
 	private EObject domainElement;

 	@BeforeClass
 	public static void beforeClass() {
 		systemErr = System.err;
 		System.setErr(new PrintStreamWrapper(systemErr));
 	}

 	@AfterClass
 	public static void afterClass() {
 		System.setErr(systemErr);
 	}

 	@Before
 	public void init() {
 		log = "";
 		shell = SWTViewTestHelper.createShell();

 		final EClass eClass = EcoreFactory.eINSTANCE.createEClass();
 		eClass.getESuperTypes().add(EcorePackage.eINSTANCE.getEClass());
 		domainElement = eClass;
 	}

 	@After
 	public void after() {
 		shell.dispose();
 		if (!log.isEmpty()) {
 			fail("Unexpected log to System.err: " + log);
 		}
 	}

 	/**
 	 * Tests that a sash form is used in order to allow resizing of the grid and detail panel composites.
 	 */
 	@Test
 	public void testSashForm() throws NoRendererFoundException,
 		NoPropertyDescriptorFoundExeption, EMFFormsNoRendererException {
 		// setup model
 		final TableControlHandle handle = TableTestUtil.createInitializedTableWithoutTableColumns();
 		handle.getTableControl().setDetailEditing(DetailEditing.WITH_PANEL);
 		//
 		final Control render = SWTViewTestHelper.render(handle.getTableControl(), domainElement, shell);
 		assertTrue(render instanceof Composite);
 		final Composite border = getChild(getChild(render, Composite.class, 0), Composite.class, 1);
 		assertEquals("The grid and detail should be surrounded by a common border", SWT.BORDER,
 			border.getStyle() & SWT.BORDER);
 		final SashForm sashForm = getChild(border, SashForm.class, 0);
 		assertEquals("The SashForm should have exactly two child composites: one for the grid and one for the detail.",
 			2, sashForm.getChildren().length);
 		final int[] weights = sashForm.getWeights();
 		assertEquals(2, weights.length);
 		assertTrue("The table composite should have a lower relative weight in the sash than the detail",
 			weights[0] < weights[1]);
 		final Composite gridWrapperComposite = getChild(sashForm, Composite.class, 0);
 		final Composite gridComposite = getChild(gridWrapperComposite, Composite.class, 0);
 		getChild(gridComposite, Grid.class, 0);
 		getChild(sashForm, Composite.class, 1);
 	}

 	/**
 	 * Tests that a horizontal and vertical scrollbar appears if the detail is to small.
 	 */
 	@Test
 	public void testScroll() throws NoRendererFoundException,
 		NoPropertyDescriptorFoundExeption, EMFFormsNoRendererException {
 		shell.setSize(100, 200);
 		shell.open();
 		SWTTestUtil.waitForUIThread();
 		// setup model
 		final TableControlHandle handle = TableTestUtil.createInitializedTableWithoutTableColumns();
 		handle.getTableControl().setDetailEditing(DetailEditing.WITH_PANEL);
 		//
 		final RendererResult renderControl = SWTViewTestHelper.renderControl(handle.getTableControl(), domainElement,
 			shell);
 		shell.layout();
 		SWTTestUtil.waitForUIThread();
 		final GridTableViewer tableViewer = GridTestsUtil.getTableViewerFromRenderer(renderControl.getRenderer());
 		final Control render = renderControl.getControl().get();
 		assertTrue(render instanceof Composite);
 		final Composite border = getChild(getChild(render, Composite.class, 0), Composite.class, 1);
 		assertEquals("The grid and detail should be surrounded by a common border", SWT.BORDER,
 			border.getStyle() & SWT.BORDER);
 		final SashForm sashForm = getChild(border, SashForm.class, 0);
 		tableViewer.setSelection(new StructuredSelection(tableViewer.getElementAt(0)));
 		final ScrolledComposite scrolledComposite = getChild(sashForm, ScrolledComposite.class, 1);
 		assertFalse(scrolledComposite.getAlwaysShowScrollBars());
 		assertTrue(scrolledComposite.getHorizontalBar().isVisible());
 		assertTrue(scrolledComposite.getVerticalBar().isVisible());

 		// modify shell to force no scroll
 		shell.setSize(1000, 1000);
 		assertFalse(scrolledComposite.getHorizontalBar().isVisible());
 		assertFalse(scrolledComposite.getVerticalBar().isVisible());

 		shell.close();
 	}

 	@Test
 	public void testGetView() {
 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(mock(VTableControl.class),
 			mock(ViewModelContext.class), mock(ReportService.class), mock(EMFFormsDatabindingEMF.class),
 			mock(EMFFormsLabelProvider.class), mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class),
 			mock(EMFFormsEditSupport.class), mock(EStructuralFeatureValueConverterService.class),
 			mock(EMFFormsLocalizationService.class));
 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final EReference eReference = EcoreFactory.eINSTANCE.createEReference();
 		final VView viewAttribute1 = renderer.getView(eAttribute);
 		final VView viewReference = renderer.getView(eReference);
 		assertFalse(EcoreUtil.equals(viewAttribute1, viewReference));
 		final VView viewAttribute2 = renderer.getView(eAttribute);
 		assertTrue(EcoreUtil.equals(viewAttribute1, viewAttribute2));
 	}

 	/**
 	 * If the detail view is not configured as readonly, the table sets it to read only when the table is disabled.
 	 * Furthermore, the detail's readonly state is resetted when the table is enabled again.
 	 */
 	@Test
 	public void testEnabledChangeAppliedToDetailView_OriginalReadonlyFalse() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(false);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		when(control.isEffectivelyReadonly()).thenReturn(false);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertFalse(detailView.isReadonly());
 		when(control.isEffectivelyEnabled()).thenReturn(false);
 		renderer.applyEnable();
 		assertTrue(detailView.isReadonly());
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		renderer.applyEnable();
 		assertFalse(detailView.isReadonly());
 	}

 	/** If the detail view is configured as readonly, it must always stay readonly. */
 	@Test
 	public void testEnabledChangeAppliedToDetailView_OriginalReadonlyTrue() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(true);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(false);
 		when(control.isEffectivelyReadonly()).thenReturn(false);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertTrue(detailView.isReadonly());
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		renderer.applyEnable();
 		assertTrue(detailView.isReadonly());
 	}

 	/**
 	 * If the table is read only, enabling it must not set the detail's readonly flag to false.
 	 */
 	@Test
 	public void testEnabledChangeAppliedToDetailView_DoesNotOverrideReadonlyTrue() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(false);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(false);
 		when(control.isEffectivelyReadonly()).thenReturn(true);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertTrue(detailView.isReadonly());
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		renderer.applyEnable();
 		assertTrue(detailView.isReadonly());
 	}

 	/**
 	 * If the detail view is not configured as readonly, the table sets it to read only when the table is set to
 	 * readonly.
 	 */
 	@Test
 	public void testReadonlyChangeAppliedToDetailView_OriginalReadonlyFalse() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(false);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		when(control.isEffectivelyReadonly()).thenReturn(false);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertFalse(detailView.isReadonly());
 		when(control.isEffectivelyReadonly()).thenReturn(true);
 		renderer.applyReadOnly();
 		assertTrue(detailView.isReadonly());
 	}

 	/** If the detail view is configured as readonly, it must always stay readonly. */
 	@Test
 	public void testReadonlyChangeAppliedToDetailView_OriginalReadonlyTrue() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(true);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(true);
 		when(control.isEffectivelyReadonly()).thenReturn(true);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertTrue(detailView.isReadonly());
 		when(control.isEffectivelyReadonly()).thenReturn(false);
 		renderer.applyEnable();
 		assertTrue(detailView.isReadonly());
 	}

 	/**
 	 * If the table is disabled, setting its read only flag to false, must not set the detail's readonly flag to false.
 	 */
 	@Test
 	public void testReadonlyChangeAppliedToDetailView_DoesNotOverrideEnabledFalse() {
 		final VTableControl control = mock(VTableControl.class);
 		final VView detailView = VViewFactory.eINSTANCE.createView();
 		detailView.setReadonly(false);
 		when(control.getDetailView()).thenReturn(detailView);
 		when(control.isEffectivelyEnabled()).thenReturn(false);
 		when(control.isEffectivelyReadonly()).thenReturn(true);

 		final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
 		final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

 		final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
 			mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
 			mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
 			mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

 		renderer.renderSelectedObject(shell, eAttribute);

 		assertTrue(detailView.isReadonly());
 		when(control.isEffectivelyReadonly()).thenReturn(false);
 		renderer.applyEnable();
 		assertTrue(detailView.isReadonly());
 	}

 	private ViewModelContext mockViewModelContext(final VView detailView, final EObject domainObject) {
 		final ViewModelContext context = mock(ViewModelContext.class);
 		final ViewModelContext childContext = mock(ViewModelContext.class);
 		when(childContext.getDomainModel()).thenReturn(domainObject);
 		when(childContext.getViewModel()).thenReturn(detailView);

 		when(context.getChildContext(any(EObject.class), any(VElement.class), any(VView.class)))
 			.thenReturn(childContext);
 		return context;
 	}

 	private <T> T getChild(Control parent, Class<T> type, int index) {
 		assertTrue(MessageFormat.format("The Control {0} is not a composite => No children can be retrieved", parent),
 			parent instanceof Composite);
 		final Composite composite = (Composite) parent;
 		final Control child = composite.getChildren()[index];
 		assertTrue(MessageFormat.format("Child {0} is not of required type {1}", child, type.getName()),
 			type.isInstance(child));
 		return type.cast(child);
 	}

 	private static class PrintStreamWrapper extends PrintStream {

 		private final PrintStream printStream;

 		PrintStreamWrapper(PrintStream printStream) {
 			super(new ByteArrayOutputStream());
 			this.printStream = printStream;
 		}

 		@Override
 		public void print(String s) {
 			log = log.concat("\n" + s);
 			printStream.print(s + "\n");
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2011-2018 EclipseSource Muenchen GmbH and others.
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Lucas Koehler - initial API and implementation
	******************************************************************************/
	package org.eclipse.emf.ecp.view.spi.table.nebula.grid;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertTrue;
	import static org.junit.Assert.fail;
	import static org.mockito.Matchers.any;
	import static org.mockito.Mockito.mock;
	import static org.mockito.Mockito.when;

	import java.io.ByteArrayOutputStream;
	import java.io.PrintStream;
	import java.text.MessageFormat;

	import org.eclipse.emf.ecore.EAttribute;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EReference;
	import org.eclipse.emf.ecore.EcoreFactory;
	import org.eclipse.emf.ecore.EcorePackage;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.ecp.view.internal.table.nebula.grid.GridTestsUtil;
	import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
	import org.eclipse.emf.ecp.view.spi.model.VElement;
	import org.eclipse.emf.ecp.view.spi.model.VView;
	import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
	import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
	import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
	import org.eclipse.emf.ecp.view.spi.table.model.DetailEditing;
	import org.eclipse.emf.ecp.view.spi.table.model.VTableControl;
	import org.eclipse.emf.ecp.view.spi.util.swt.ImageRegistryService;
	import org.eclipse.emf.ecp.view.table.test.common.TableControlHandle;
	import org.eclipse.emf.ecp.view.table.test.common.TableTestUtil;
	import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
	import org.eclipse.emf.ecp.view.test.common.swt.spi.DatabindingClassRunner;
	import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTTestUtil;
	import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTViewTestHelper;
	import org.eclipse.emf.ecp.view.test.common.swt.spi.SWTViewTestHelper.RendererResult;
	import org.eclipse.emfforms.spi.common.converter.EStructuralFeatureValueConverterService;
	import org.eclipse.emfforms.spi.common.report.ReportService;
	import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
	import org.eclipse.emfforms.spi.core.services.editsupport.EMFFormsEditSupport;
	import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
	import org.eclipse.emfforms.spi.localization.EMFFormsLocalizationService;
	import org.eclipse.emfforms.spi.swt.core.EMFFormsNoRendererException;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.nebula.jface.gridviewer.GridTableViewer;
	import org.eclipse.nebula.widgets.grid.Grid;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.SashForm;
	import org.eclipse.swt.custom.ScrolledComposite;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Shell;
	import org.junit.After;
	import org.junit.AfterClass;
	import org.junit.Before;
	import org.junit.BeforeClass;
	import org.junit.Test;
	import org.junit.runner.RunWith;

	/**
	* Unit tests for the {@link GridControlDetailPanelRenderer}.
	*
	* @author Lucas Koehler
	*
	*/
	@RunWith(DatabindingClassRunner.class)
	public class GridControlDetailPanelRenderer_PTest {

	private static String log;
	private static PrintStream systemErr;
	private Shell shell;
	private EObject domainElement;

	@BeforeClass
	public static void beforeClass() {
	systemErr = System.err;
	System.setErr(new PrintStreamWrapper(systemErr));
	}

	@AfterClass
	public static void afterClass() {
	System.setErr(systemErr);
	}

	@Before
	public void init() {
	log = "";
	shell = SWTViewTestHelper.createShell();

	final EClass eClass = EcoreFactory.eINSTANCE.createEClass();
	eClass.getESuperTypes().add(EcorePackage.eINSTANCE.getEClass());
	domainElement = eClass;
	}

	@After
	public void after() {
	shell.dispose();
	if (!log.isEmpty()) {
	fail("Unexpected log to System.err: " + log);
	}
	}

	/**
	* Tests that a sash form is used in order to allow resizing of the grid and detail panel composites.
	*/
	@Test
	public void testSashForm() throws NoRendererFoundException,
	NoPropertyDescriptorFoundExeption, EMFFormsNoRendererException {
	// setup model
	final TableControlHandle handle = TableTestUtil.createInitializedTableWithoutTableColumns();
	handle.getTableControl().setDetailEditing(DetailEditing.WITH_PANEL);
	//
	final Control render = SWTViewTestHelper.render(handle.getTableControl(), domainElement, shell);
	assertTrue(render instanceof Composite);
	final Composite border = getChild(getChild(render, Composite.class, 0), Composite.class, 1);
	assertEquals("The grid and detail should be surrounded by a common border", SWT.BORDER,
	border.getStyle() & SWT.BORDER);
	final SashForm sashForm = getChild(border, SashForm.class, 0);
	assertEquals("The SashForm should have exactly two child composites: one for the grid and one for the detail.",
	2, sashForm.getChildren().length);
	final int[] weights = sashForm.getWeights();
	assertEquals(2, weights.length);
	assertTrue("The table composite should have a lower relative weight in the sash than the detail",
	weights[0] < weights[1]);
	final Composite gridWrapperComposite = getChild(sashForm, Composite.class, 0);
	final Composite gridComposite = getChild(gridWrapperComposite, Composite.class, 0);
	getChild(gridComposite, Grid.class, 0);
	getChild(sashForm, Composite.class, 1);
	}

	/**
	* Tests that a horizontal and vertical scrollbar appears if the detail is to small.
	*/
	@Test
	public void testScroll() throws NoRendererFoundException,
	NoPropertyDescriptorFoundExeption, EMFFormsNoRendererException {
	shell.setSize(100, 200);
	shell.open();
	SWTTestUtil.waitForUIThread();
	// setup model
	final TableControlHandle handle = TableTestUtil.createInitializedTableWithoutTableColumns();
	handle.getTableControl().setDetailEditing(DetailEditing.WITH_PANEL);
	//
	final RendererResult renderControl = SWTViewTestHelper.renderControl(handle.getTableControl(), domainElement,
	shell);
	shell.layout();
	SWTTestUtil.waitForUIThread();
	final GridTableViewer tableViewer = GridTestsUtil.getTableViewerFromRenderer(renderControl.getRenderer());
	final Control render = renderControl.getControl().get();
	assertTrue(render instanceof Composite);
	final Composite border = getChild(getChild(render, Composite.class, 0), Composite.class, 1);
	assertEquals("The grid and detail should be surrounded by a common border", SWT.BORDER,
	border.getStyle() & SWT.BORDER);
	final SashForm sashForm = getChild(border, SashForm.class, 0);
	tableViewer.setSelection(new StructuredSelection(tableViewer.getElementAt(0)));
	final ScrolledComposite scrolledComposite = getChild(sashForm, ScrolledComposite.class, 1);
	assertFalse(scrolledComposite.getAlwaysShowScrollBars());
	assertTrue(scrolledComposite.getHorizontalBar().isVisible());
	assertTrue(scrolledComposite.getVerticalBar().isVisible());

	// modify shell to force no scroll
	shell.setSize(1000, 1000);
	assertFalse(scrolledComposite.getHorizontalBar().isVisible());
	assertFalse(scrolledComposite.getVerticalBar().isVisible());

	shell.close();
	}

	@Test
	public void testGetView() {
	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(mock(VTableControl.class),
	mock(ViewModelContext.class), mock(ReportService.class), mock(EMFFormsDatabindingEMF.class),
	mock(EMFFormsLabelProvider.class), mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class),
	mock(EMFFormsEditSupport.class), mock(EStructuralFeatureValueConverterService.class),
	mock(EMFFormsLocalizationService.class));
	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final EReference eReference = EcoreFactory.eINSTANCE.createEReference();
	final VView viewAttribute1 = renderer.getView(eAttribute);
	final VView viewReference = renderer.getView(eReference);
	assertFalse(EcoreUtil.equals(viewAttribute1, viewReference));
	final VView viewAttribute2 = renderer.getView(eAttribute);
	assertTrue(EcoreUtil.equals(viewAttribute1, viewAttribute2));
	}

	/**
	* If the detail view is not configured as readonly, the table sets it to read only when the table is disabled.
	* Furthermore, the detail's readonly state is resetted when the table is enabled again.
	*/
	@Test
	public void testEnabledChangeAppliedToDetailView_OriginalReadonlyFalse() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(false);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(true);
	when(control.isEffectivelyReadonly()).thenReturn(false);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertFalse(detailView.isReadonly());
	when(control.isEffectivelyEnabled()).thenReturn(false);
	renderer.applyEnable();
	assertTrue(detailView.isReadonly());
	when(control.isEffectivelyEnabled()).thenReturn(true);
	renderer.applyEnable();
	assertFalse(detailView.isReadonly());
	}

	/** If the detail view is configured as readonly, it must always stay readonly. */
	@Test
	public void testEnabledChangeAppliedToDetailView_OriginalReadonlyTrue() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(true);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(false);
	when(control.isEffectivelyReadonly()).thenReturn(false);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertTrue(detailView.isReadonly());
	when(control.isEffectivelyEnabled()).thenReturn(true);
	renderer.applyEnable();
	assertTrue(detailView.isReadonly());
	}

	/**
	* If the table is read only, enabling it must not set the detail's readonly flag to false.
	*/
	@Test
	public void testEnabledChangeAppliedToDetailView_DoesNotOverrideReadonlyTrue() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(false);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(false);
	when(control.isEffectivelyReadonly()).thenReturn(true);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertTrue(detailView.isReadonly());
	when(control.isEffectivelyEnabled()).thenReturn(true);
	renderer.applyEnable();
	assertTrue(detailView.isReadonly());
	}

	/**
	* If the detail view is not configured as readonly, the table sets it to read only when the table is set to
	* readonly.
	*/
	@Test
	public void testReadonlyChangeAppliedToDetailView_OriginalReadonlyFalse() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(false);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(true);
	when(control.isEffectivelyReadonly()).thenReturn(false);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertFalse(detailView.isReadonly());
	when(control.isEffectivelyReadonly()).thenReturn(true);
	renderer.applyReadOnly();
	assertTrue(detailView.isReadonly());
	}

	/** If the detail view is configured as readonly, it must always stay readonly. */
	@Test
	public void testReadonlyChangeAppliedToDetailView_OriginalReadonlyTrue() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(true);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(true);
	when(control.isEffectivelyReadonly()).thenReturn(true);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertTrue(detailView.isReadonly());
	when(control.isEffectivelyReadonly()).thenReturn(false);
	renderer.applyEnable();
	assertTrue(detailView.isReadonly());
	}

	/**
	* If the table is disabled, setting its read only flag to false, must not set the detail's readonly flag to false.
	*/
	@Test
	public void testReadonlyChangeAppliedToDetailView_DoesNotOverrideEnabledFalse() {
	final VTableControl control = mock(VTableControl.class);
	final VView detailView = VViewFactory.eINSTANCE.createView();
	detailView.setReadonly(false);
	when(control.getDetailView()).thenReturn(detailView);
	when(control.isEffectivelyEnabled()).thenReturn(false);
	when(control.isEffectivelyReadonly()).thenReturn(true);

	final EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
	final ViewModelContext context = mockViewModelContext(detailView, eAttribute);

	final GridControlDetailPanelRenderer renderer = new GridControlDetailPanelRenderer(control, context,
	mock(ReportService.class), mock(EMFFormsDatabindingEMF.class), mock(EMFFormsLabelProvider.class),
	mock(VTViewTemplateProvider.class), mock(ImageRegistryService.class), mock(EMFFormsEditSupport.class),
	mock(EStructuralFeatureValueConverterService.class), mock(EMFFormsLocalizationService.class));

	renderer.renderSelectedObject(shell, eAttribute);

	assertTrue(detailView.isReadonly());
	when(control.isEffectivelyReadonly()).thenReturn(false);
	renderer.applyEnable();
	assertTrue(detailView.isReadonly());
	}

	private ViewModelContext mockViewModelContext(final VView detailView, final EObject domainObject) {
	final ViewModelContext context = mock(ViewModelContext.class);
	final ViewModelContext childContext = mock(ViewModelContext.class);
	when(childContext.getDomainModel()).thenReturn(domainObject);
	when(childContext.getViewModel()).thenReturn(detailView);

	when(context.getChildContext(any(EObject.class), any(VElement.class), any(VView.class)))
	.thenReturn(childContext);
	return context;
	}

	private <T> T getChild(Control parent, Class<T> type, int index) {
	assertTrue(MessageFormat.format("The Control {0} is not a composite => No children can be retrieved", parent),
	parent instanceof Composite);
	final Composite composite = (Composite) parent;
	final Control child = composite.getChildren()[index];
	assertTrue(MessageFormat.format("Child {0} is not of required type {1}", child, type.getName()),
	type.isInstance(child));
	return type.cast(child);
	}

	private static class PrintStreamWrapper extends PrintStream {

	private final PrintStream printStream;

	PrintStreamWrapper(PrintStream printStream) {
	super(new ByteArrayOutputStream());
	this.printStream = printStream;
	}

	@Override
	public void print(String s) {
	log = log.concat("\n" + s);
	printStream.print(s + "\n");
	}
	}
	}