From 2507d053f1925c64f3b5ddf85b24b0d9f27c9c98 Mon Sep 17 00:00:00 2001
From: jkohnlein <jkohnlein>
Date: Thu, 18 Sep 2008 15:09:56 +0000
Subject: [PATCH] First shot at xtext to ecore in Java

---
 .../Xtext2EcoreTransformerTests.java          | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 tests/org.eclipse.xtext.generator.tests/src/org/eclipse/xtext/resource/metamodel/Xtext2EcoreTransformerTests.java

diff --git a/tests/org.eclipse.xtext.generator.tests/src/org/eclipse/xtext/resource/metamodel/Xtext2EcoreTransformerTests.java b/tests/org.eclipse.xtext.generator.tests/src/org/eclipse/xtext/resource/metamodel/Xtext2EcoreTransformerTests.java
new file mode 100644
index 000000000..c42b1f9cc
--- /dev/null
+++ b/tests/org.eclipse.xtext.generator.tests/src/org/eclipse/xtext/resource/metamodel/Xtext2EcoreTransformerTests.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2008 itemis AG (http://www.itemis.eu) 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
+ *******************************************************************************/
+package org.eclipse.xtext.resource.metamodel;
+
+import java.util.List;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClassifier;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.AbstractRule;
+import org.eclipse.xtext.Grammar;
+import org.eclipse.xtext.XtextStandaloneSetup;
+import org.eclipse.xtext.tests.AbstractGeneratorTest;
+
+/**
+ * @author Jan Köhnlein - Initial contribution and API
+ */
+public class Xtext2EcoreTransformerTests extends AbstractGeneratorTest {
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+		with(XtextStandaloneSetup.class);
+	}
+
+	public void testRuleWithoutExplicitReturnType() throws Exception {
+		Grammar grammar = (Grammar) getModel("language test generate test 'http://test' MyRule: myFeature=INT;");
+		EList<AbstractRule> rules = grammar.getRules();
+		AbstractRule firstRule = rules.get(0);
+		assertNull(firstRule.getType());
+		Xtext2EcoreTransformer xtext2EcoreTransformer = new Xtext2EcoreTransformer();
+		List<EPackage> metamodels = xtext2EcoreTransformer.transform(grammar);
+		assertTrue(metamodels != null && !metamodels.isEmpty());
+		EPackage firstEPackage = metamodels.get(0);
+		EList<EClassifier> classifiers = firstEPackage.getEClassifiers();
+		assertEquals(1, classifiers.size());
+		EClassifier implicitlyDefinedMetatype = classifiers.get(0);
+		assertEquals("MyRule", implicitlyDefinedMetatype.getName());
+	}
+}