CeylonIdeExampleTest.java

/*************************************************************************************
 * Copyright (c) 2011 Red Hat, Inc. and others.
 * All rights reserved. This program and the accompanying materials 
 * are 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:
 *     JBoss by Red Hat - Initial implementation.
 ************************************************************************************/
package com.redhat.ceylon.eclipse.ui.test;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.LibraryLocation;
import org.junit.Test;

import com.redhat.ceylon.eclipse.core.builder.CeylonBuilder;
import com.redhat.ceylon.eclipse.core.builder.CeylonNature;

/**
 * 
 * @author max
 * 
 */
public class CeylonIdeExampleTest {

	/** basic test that setup a ceylon project **/
	@Test
	public void testCreateProjectAddNature() throws CoreException {

		String name = "test-ceylon";
		
		IProject project = createJavaProject(name);
		
		String systemRepo = CeylonBuilder.getCeylonSystemRepo(project);
		CeylonNature nature = new CeylonNature(systemRepo, true, true, false, true, null);
		nature.addToProject(project);
		
		assertEquals(2,project.getDescription().getNatureIds().length);
		
	}

	private IProject createJavaProject(String name) throws CoreException,
			JavaModelException {
		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
		IProject project = root.getProject(name);
		project.create(null);
		project.open(null);
		
		IProjectDescription description = project.getDescription();
		description.setNatureIds(new String[] { JavaCore.NATURE_ID });
		project.setDescription(description, null);
		
		IJavaProject javaProject = JavaCore.create(project); 
		
		IFolder binFolder = project.getFolder("bin");
		binFolder.create(false, true, null);
		javaProject.setOutputLocation(binFolder.getFullPath(), null);
		
		List<IClasspathEntry> entries = new ArrayList<IClasspathEntry>();
		IVMInstall vmInstall = JavaRuntime.getDefaultVMInstall();
		LibraryLocation[] locations = JavaRuntime.getLibraryLocations(vmInstall);
		for (LibraryLocation element : locations) {
		 entries.add(JavaCore.newLibraryEntry(element.getSystemLibraryPath(), null, null));
		}
		//add libs to project class path
		javaProject.setRawClasspath(entries.toArray(new IClasspathEntry[entries.size()]), null);
		
		IFolder sourceFolder = project.getFolder("src");
		sourceFolder.create(false, true, null);
		
		IPackageFragmentRoot packageroot = javaProject.getPackageFragmentRoot(sourceFolder);
		IClasspathEntry[] oldEntries = javaProject.getRawClasspath();
		IClasspathEntry[] newEntries = new IClasspathEntry[oldEntries.length + 1];
		System.arraycopy(oldEntries, 0, newEntries, 0, oldEntries.length);
		newEntries[oldEntries.length] = JavaCore.newSourceEntry(packageroot.getPath());
		javaProject.setRawClasspath(newEntries, null);
		return project;
	}
}