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Noch ein Patch from Heiko Behrens (Knut) BUG 247406 [Core] Reimplement derivation of metamodel from Xtext grammar in Java

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dhubner 2008-09-25 13:28:47 +00:00 committed by sefftinge
parent 6d85d435f6
commit 5bd40ce160
2 changed files with 43 additions and 3 deletions
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3
tests/org.eclipse.xtext.generator.tests/META-INF/MANIFEST.MF
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@ -14,5 +14,6 @@ Require-Bundle: org.eclipse.xtext,
org.eclipse.xtext.log4j;bundle-version="1.2.15",
org.eclipse.xtend,
org.eclipse.xtend.typesystem.emf,
org.eclipse.xtend.util.stdlib
org.eclipse.xtend.util.stdlib,
org.easymock;bundle-version="2.3.0"
Export-Package: org.eclipse.xtext

43
tests/org.eclipse.xtext.generator.tests/src/org/eclipse/xtext/resource/metamodel/Xtext2EcoreTransformerTests.java
View file

@ -7,16 +7,24 @@
*******************************************************************************/
package org.eclipse.xtext.resource.metamodel;
import static org.easymock.EasyMock.anyObject;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.same;
import static org.easymock.EasyMock.verify;
import java.util.List;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.xtext.Grammar;
import org.eclipse.xtext.XtextStandaloneSetup;
import org.eclipse.xtext.resource.metamodel.ErrorAcceptor.ErrorCode;
import org.eclipse.xtext.tests.AbstractGeneratorTest;
/**
@ -25,17 +33,24 @@ import org.eclipse.xtext.tests.AbstractGeneratorTest;
* @see http://wiki.eclipse.org/Xtext/Documentation#Meta-Model_Inference
*/
public class Xtext2EcoreTransformerTests extends AbstractGeneratorTest {
private Xtext2EcoreTransformer xtext2EcoreTransformer;
private ErrorAcceptor errorAcceptorMock;
@Override
protected void setUp() throws Exception {
super.setUp();
xtext2EcoreTransformer = new Xtext2EcoreTransformer();
errorAcceptorMock = createMock(ErrorAcceptor.class);
with(XtextStandaloneSetup.class);
}
private EPackage getEPackageFromGrammar(String xtextGrammar) throws Exception {
Grammar grammar = (Grammar) getModel(xtextGrammar);
Xtext2EcoreTransformer xtext2EcoreTransformer = new Xtext2EcoreTransformer();
replay(errorAcceptorMock);
xtext2EcoreTransformer.setErrorAcceptor(errorAcceptorMock);
List<EPackage> metamodels = xtext2EcoreTransformer.transform(grammar);
verify(errorAcceptorMock);
assertNotNull(metamodels);
assertEquals(1, metamodels.size());
@ -355,4 +370,28 @@ public class Xtext2EcoreTransformerTests extends AbstractGeneratorTest {
assertReferenceConfiguration(ruleA, 3, "refA4", "TypeB", 0, 1);
}
public void testImportWithoutAlias() throws Exception {
final String grammar = "language test generate test 'http://test' import 'http://www.eclipse.org/emf/2002/Ecore' RuleA: feature=ID;";
errorAcceptorMock.acceptError(same(ErrorCode.MissingAliasForReferencedMetamodel), (String)anyObject(), (EObject)anyObject());
getEPackageFromGrammar(grammar);
}
public void testModifyingSealedModel() throws Exception {
final String grammar = "language test generate test 'http://test' import 'http://www.eclipse.org/emf/2002/Ecore' as ecore RuleA returns ecore::SomeNewTypeA: feature=ID;";
errorAcceptorMock.acceptError(same(ErrorCode.CannotCreateTypeInSealedMetamodel), (String)anyObject(), (EObject)anyObject());
errorAcceptorMock.acceptError(same(ErrorCode.NoSuchTypeAvailable), (String)anyObject(), (EObject)anyObject());
getEPackageFromGrammar(grammar);
}
public void testImportingUnknownModel() throws Exception {
final String grammar = "language test generate test 'http://test' import 'http://www.unknownModel' as unknownModel RuleA: feature=ID;";
errorAcceptorMock.acceptError(same(ErrorCode.CannotLoadMetamodel), (String)anyObject(), (EObject)anyObject());
getEPackageFromGrammar(grammar);
}
public void testMoreThanOneRuleCall() throws Exception {
final String grammar = "language test generate test 'http://test' RuleA: RuleB RuleC; RuleB: featureB=ID; RuleC: featureC=ID;";
errorAcceptorMock.acceptError(same(ErrorCode.MoreThanOneTypeChangeInOneRule), (String)anyObject(), (EObject)anyObject());
getEPackageFromGrammar(grammar);
}
}