[csseditor-cvs] net.sourceforge.csseditor.tests/src/net/sourceforge/csseditor/tests TextEditorTestCase.java,NONE,1.1

[<ce...@us...>]

Update of /cvsroot/csseditor/net.sourceforge.csseditor.tests/src/net/sourceforge/csseditor/tests
In directory sc8-pr-cvs1:/tmp/cvs-serv27502/src/net/sourceforge/csseditor/tests

Added Files:
	TextEditorTestCase.java 
Log Message:
Add a generic TextEditorTestCase for testing stuff that relies on an actual text editor being present

--- NEW FILE: TextEditorTestCase.java ---
/*
 * Copyright (c) 2003 Christopher Lenz and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     Christopher Lenz - initial API and implementation
 * 
 * $Id: TextEditorTestCase.java,v 1.1 2004/01/12 17:27:50 cell Exp $
 */

package net.sourceforge.csseditor.tests;

import java.io.ByteArrayInputStream;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.texteditor.ITextEditor;

import junit.framework.TestCase;

/**
 * A base test case for tests that need the full text editor environment set up
 * before being able to run.
 */
public abstract class TextEditorTestCase extends TestCase {

    // Instance Variables ------------------------------------------------------

    private String fileName;

    private IProject project;
    private IFile file;
    private ITextEditor editor;

    // Constructors ------------------------------------------------------------

    /**
     * Constructor.
     * 
     * @param fileName The name of the test file to create and edit
     */
    public TextEditorTestCase(String fileName) {
        this.fileName = fileName;
    }

    // TestCase Implementation -------------------------------------------------

    /*
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws CoreException {
        
        // Prepare a test project containing a single empty CSS style sheet
        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        project = root.getProject("test");
        if (!project.exists()) {
            project.create(null);
        } else {
            project.refreshLocal(IResource.DEPTH_INFINITE, null);
        }
        if (!project.isOpen()) {
            project.open(null);
        }
        file = project.getFile(fileName);
    }

    /*
     * @see junit.framework.TestCase#tearDown()
     */
    protected void tearDown() throws CoreException {
        if (editor != null) {
            editor.close(false);
        }
        project.delete(true, true, null);
    }

    // Protected Methods -------------------------------------------------------

    /**
     * Returns the document opened in the editor.
     * 
     * @return the opened document
     * @throws IllegalStateException if called before {@link #setUpEditor()}
     */
    protected final IDocument getDocument() {
        if (editor == null) {
            throw new IllegalStateException("You must call setUpEditor() " +
                "before accessing the document");
        }
        return editor.getDocumentProvider().getDocument(
            editor.getEditorInput());
    }

    /**
     * Initializes the editor and its input, and returns the initialized editor.
     * 
     * @param text the contents of the file to create and edit
     * @return the initialized editor
     * @throws CoreException if the file couldn't be created, or the editor
     *         failed to open
     */
    protected final ITextEditor setUpEditor(String text) throws CoreException {

        // Stream the given content into the file
        ByteArrayInputStream in = new ByteArrayInputStream(text.getBytes());
        if (!file.exists()) {
            file.create(in, true, null);
        } else {
            file.setContents(in, true, false, null);
        }

        // Open the editor
        IWorkbench workbench = PlatformUI.getWorkbench();
        IWorkbenchPage page =
            workbench.getActiveWorkbenchWindow().getActivePage();
        editor = (ITextEditor) page.openEditor(new FileEditorInput(file),
            workbench.getEditorRegistry().getDefaultEditor(fileName).getId());

        return editor;
    }

}