SeamConfigInjectedPointHyperlinkTest.java

/******************************************************************************* 
 * Copyright (c) 2011 Red Hat, Inc. 
 * Distributed under license by Red Hat, Inc. All rights reserved. 
 * This program is made available under the terms of the 
 * Eclipse Public License v1.0 which accompanies this distribution, 
 * and is available at http://www.eclipse.org/legal/epl-v10.html 
 * 
 * Contributors: 
 * Red Hat, Inc. - initial API and implementation 
 ******************************************************************************/
package org.jboss.tools.cdi.seam.text.ext.test;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.texteditor.ITextEditor;
import org.jboss.tools.cdi.seam.config.core.test.SeamConfigTest;
import org.jboss.tools.cdi.seam.text.ext.CDISeamExtPlugin;
import org.jboss.tools.cdi.seam.text.ext.hyperlink.SeamConfigInjectedPointHyperlink;
import org.jboss.tools.cdi.seam.text.ext.hyperlink.SeamConfigInjectedPointHyperlinkDetector;
import org.jboss.tools.cdi.text.ext.test.CDIHyperlinkTestUtil;
import org.jboss.tools.common.util.FileUtil;

/**
 *   
 * @author Viacheslav Kabanovich
 *
 */
public class SeamConfigInjectedPointHyperlinkTest extends SeamConfigTest {
	static final String HYPERLINK_NAME = SeamConfigInjectedPointHyperlink.class.getName();
	public SeamConfigInjectedPointHyperlinkTest() {}

	public void testClassBean() throws Exception {
		IHyperlink hyperlink = checkHyperLinkInJava(
				"src/org/jboss/beans/injection/Injections.java", 
				project, 
				"@Inject MyBean5", 1, 
				new SeamConfigInjectedPointHyperlinkDetector(), 
				HYPERLINK_NAME);
		hyperlink.open();
		
		checkResult("seam-beans.xml", "<test04:MyBean5>");
	}

	public void testProducerField() throws Exception {
		IHyperlink hyperlink = checkHyperLinkInJava(
				"src/org/jboss/beans/injection/Injections.java", 
				project, 
				"@Inject @MyQualifier", 1, 
				new SeamConfigInjectedPointHyperlinkDetector(), 
				HYPERLINK_NAME);
		hyperlink.open();
		
		checkResult("seam-beans.xml", "<test04:myType3>");
	}

	public void testProducerMethod() throws Exception {
		IHyperlink hyperlink = checkHyperLinkInJava(
				"src/org/jboss/beans/injection/Injections.java", 
				project, 
				"@Inject @org.jboss.beans.test05.MyQualifier", 1, 
				new SeamConfigInjectedPointHyperlinkDetector(), 
				HYPERLINK_NAME);
		hyperlink.open();
		
		checkResult("seam-beans.xml", "<test05:createType>");
	}

	public void testVirtualProducerField() throws Exception {
		IHyperlink hyperlink = checkHyperLinkInJava(
				"src/org/jboss/beans/injection/Injections.java", 
				project, 
				"@Inject @org.jboss.beans.test06.MyQualifier", 1, 
				new SeamConfigInjectedPointHyperlinkDetector(), 
				HYPERLINK_NAME);
		hyperlink.open();
		
		checkResult("seam-beans.xml", "<s:String>");
	}

	static void checkResult(String name, String selectedText) throws CoreException {
		IEditorPart editor = CDISeamExtPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
		IFileEditorInput input = (IFileEditorInput)editor.getEditorInput();
		IFile f = input.getFile();
		assertEquals(name, f.getName());
		
		ITextSelection textSelection = getSelection(editor);
		
		String text = FileUtil.readStream(f).substring(textSelection.getOffset(), textSelection.getOffset() + textSelection.getLength());
		assertEquals(selectedText, text);
	}

	public static ITextSelection getSelection(IEditorPart editor) {
		ITextEditor textEditor = (ITextEditor)editor.getAdapter(ITextEditor.class);
		assertNotNull(textEditor);
		ISelection s = textEditor.getSelectionProvider().getSelection();
		assertTrue(s instanceof ITextSelection);
		return (ITextSelection)s;
	}

	public static IHyperlink checkHyperLinkInJava(String fileName, IProject project, String substring, int innerOffset, AbstractHyperlinkDetector detector, String hyperlinkClassName) throws Exception {
		IFile file = project.getFile(fileName);

		assertNotNull("The file \"" + fileName + "\" is not found", file);
		assertTrue("The file \"" + fileName + "\" is not found", file.isAccessible());
		
		String text = FileUtil.readStream(file);
		int offset = text.indexOf(substring);
		assertTrue(offset > 0);
		offset += innerOffset;

		Region region = new Region(offset, 0);

		FileEditorInput editorInput = new FileEditorInput(file);

		IEditorPart part = CDIHyperlinkTestUtil.openFileInEditor(file);
		CompilationUnitEditor editor = (CompilationUnitEditor)part;
		ISourceViewer viewer = editor.getViewer();
		detector.setContext(editor);
		
		IHyperlink[] links = detector.detectHyperlinks(viewer, region, true);
		if(links!=null) {
			for (IHyperlink hyperlink : links) {
				if(hyperlink.getClass().getName().equals(hyperlinkClassName)) {
					return hyperlink;
				}
			}
		}
		fail("Can't find HyperLink");
		return null;
	}

}