ReaderTest.java

package org.eclipse.emf.mwe.tests.util;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.mwe.core.WorkflowContext;
import org.eclipse.emf.mwe.core.WorkflowContextDefaultImpl;
import org.eclipse.emf.mwe.core.issues.IssuesImpl;
import org.eclipse.emf.mwe.core.monitor.NullProgressMonitor;
import org.eclipse.emf.mwe.utils.Reader;
import org.junit.Assert;
import org.junit.Test;

public class ReaderTest extends Assert {
	/**
	 * Will fail when executed as plain vanilla unit test.
	 * Tests are executed as plugin-unit-test on the server. Since they may
	 * not fail on the server, we decide to use a platform:/plugin..-uri.
	 */
	@Test public void testLoadSimpleModel() throws Exception {
		Reader r = new Reader();
		r.setFirstElementOnly(true);
		r.setModelSlot("x");
		r.setUri("platform:/plugin/org.eclipse.emf.mwe.tests/resources/test/res/test.ecore");
		
		WorkflowContext ctx = new WorkflowContextDefaultImpl();
		r.invoke(ctx, new NullProgressMonitor(), new IssuesImpl());
		EObject model1 = (EObject) ctx.get("x");
		assertNotNull(model1);

		r.invoke(ctx, new NullProgressMonitor(), new IssuesImpl());
		EObject model2 = (EObject) ctx.get("x");
		assertNotNull(model2);
		assertTrue(model1.eClass()==model2.eClass());
	}
	
	@Test public void testFaultTolerantLoad() throws Exception {
		Reader r = new Reader();
		r.setFirstElementOnly(true);
		r.setModelSlot("x");
		r.setIgnoreMissingModel(true);
		r.setUri("platform:/plugin/this/path/does/not/exist/test.ecore");
		
		WorkflowContext ctx = new WorkflowContextDefaultImpl();
		r.invoke(ctx, new NullProgressMonitor(), new IssuesImpl());
		EObject model = (EObject) ctx.get("x");
		assertNull(model);
	}

}