| /******************************************************************************* |
| * Copyright (c) 2020 Red Hat Inc. |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| */ |
| package org.eclipse.lsp4e.test.outline; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Collections; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.TextSelection; |
| import org.eclipse.jface.text.tests.util.DisplayHelper; |
| import org.eclipse.lsp4e.outline.CNFOutlinePage; |
| import org.eclipse.lsp4e.test.AllCleanRule; |
| import org.eclipse.lsp4e.test.TestUtils; |
| import org.eclipse.lsp4e.tests.mock.MockLanguageServer; |
| import org.eclipse.lsp4j.DocumentSymbol; |
| import org.eclipse.lsp4j.Position; |
| import org.eclipse.lsp4j.Range; |
| import org.eclipse.lsp4j.SymbolKind; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeItem; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| public class OutlineContentTest { |
| |
| @Rule |
| public AllCleanRule rule = new AllCleanRule(); |
| |
| @Test |
| public void testNodeRemainExpandedUponSelection() throws CoreException { |
| IProject project = TestUtils.createProject("EditorToOutlineAdapterFactoryTest" + System.currentTimeMillis()); |
| IFile testFile = TestUtils.createUniqueTestFile(project, "a(b())"); |
| MockLanguageServer.INSTANCE.setDocumentSymbols(new DocumentSymbol("a", SymbolKind.Constant, new Range(new Position(0, 0), new Position(0, 6)), new Range(new Position(0, 0), new Position(0, 1)), "", Collections.singletonList( |
| new DocumentSymbol("b", SymbolKind.Constant, new Range(new Position(0, 2), new Position(0, 5)), new Range(new Position(0, 2), new Position(0, 3))) |
| ))); |
| ITextEditor editor = (ITextEditor)TestUtils.openEditor(testFile); |
| CNFOutlinePage outlinePage = new CNFOutlinePage(MockLanguageServer.INSTANCE, editor); |
| Shell shell = new Shell(editor.getEditorSite().getWorkbenchWindow().getShell()); |
| shell.setLayout(new FillLayout()); |
| outlinePage.createControl(shell); |
| shell.open(); |
| Tree tree = (Tree)outlinePage.getControl(); |
| editor.getSelectionProvider().setSelection(new TextSelection(4, 0)); |
| assertTrue(new DisplayHelper() { |
| @Override |
| protected boolean condition() { |
| return itemBselectedAndVisibile(tree); |
| } |
| }.waitForCondition(tree.getDisplay(), 2000)); |
| editor.getSelectionProvider().setSelection(new TextSelection(3, 0)); |
| // ensure that selection remains intact for 2 seconds at least (ie not lost) |
| assertFalse(new DisplayHelper() { |
| @Override |
| protected boolean condition() { |
| return !itemBselectedAndVisibile(tree); |
| } |
| }.waitForCondition(tree.getDisplay(), 2000)); |
| } |
| |
| @Test |
| public void testNodeRemainExpandedUponModification() throws CoreException, BadLocationException { |
| IProject project = TestUtils.createProject("EditorToOutlineAdapterFactoryTest2" + System.currentTimeMillis()); |
| IFile testFile = TestUtils.createUniqueTestFile(project, "a(b())"); |
| MockLanguageServer.INSTANCE.setDocumentSymbols(new DocumentSymbol("a", SymbolKind.Constant, new Range(new Position(0, 0), new Position(0, 6)), new Range(new Position(0, 0), new Position(0, 1)), "", Collections.singletonList( |
| new DocumentSymbol("b", SymbolKind.Constant, new Range(new Position(0, 2), new Position(0, 5)), new Range(new Position(0, 2), new Position(0, 3))) |
| ))); |
| ITextEditor editor = (ITextEditor)TestUtils.openEditor(testFile); |
| CNFOutlinePage outlinePage = new CNFOutlinePage(MockLanguageServer.INSTANCE, editor); |
| Shell shell = new Shell(editor.getEditorSite().getWorkbenchWindow().getShell()); |
| shell.setLayout(new FillLayout()); |
| outlinePage.createControl(shell); |
| shell.open(); |
| Tree tree = (Tree)outlinePage.getControl(); |
| editor.getSelectionProvider().setSelection(new TextSelection(4, 0)); |
| assertTrue(new DisplayHelper() { |
| @Override |
| protected boolean condition() { |
| return tree.getItems().length > 0 && tree.getItem(0).getExpanded(); |
| } |
| }.waitForCondition(tree.getDisplay(), 2000)); |
| IDocument document = editor.getDocumentProvider().getDocument(editor.getEditorInput()); |
| editor.selectAndReveal(document.getLength(), 0); |
| document.replace(document.getLength(), 0, " "); |
| // ensure that tree remains expanded (for at least 2 seconds) |
| assertFalse(new DisplayHelper() { |
| @Override |
| protected boolean condition() { |
| return !tree.getItem(0).getExpanded(); |
| } |
| }.waitForCondition(tree.getDisplay(), 2000)); |
| } |
| |
| |
| private boolean itemBselectedAndVisibile(Tree tree) { |
| if (tree.getSelection().length == 0) { |
| return false; |
| } |
| TreeItem selection = tree.getSelection()[0]; |
| return selection != null && selection.getText().equals("b") && selection.getParentItem().getExpanded(); |
| } |
| } |