Program: 137339
Project: 137339
Buggy source:
@Test public void testRemoveConnDependencyAndSave(){
  TDQAnalysisItem analysisItem=PropertiesFactoryImpl.eINSTANCE.createTDQAnalysisItem();
  Analysis analysis=AnalysisFactory.eINSTANCE.createAnalysis();
  analysis.setName("String_Node_Str");
  analysisItem.setAnalysis(analysis);
  AnalysisContext analysisContext=AnalysisFactory.eINSTANCE.createAnalysisContext();
  ConnectionItem createConnectionItem=org.talend.core.model.properties.PropertiesFactory.eINSTANCE.createConnectionItem();
  Property property=org.talend.core.model.properties.PropertiesFactory.eINSTANCE.createProperty();
  property.setId(EcoreUtil.generateUUID());
  property.setLabel("String_Node_Str");
  createConnectionItem.setProperty(property);
  Connection connection=ConnectionFactory.eINSTANCE.createConnection();
  connection.setName("String_Node_Str");
  setEResource(null,connection);
  createConnectionItem.setConnection(connection);
  stub(method(PropertyHelper.class,"String_Node_Str",Connection.class)).toReturn(property);
  ReturnCode rc=new ReturnCode(true);
  DataProviderWriter dp=mock(DataProviderWriter.class);
  when(dp.save(createConnectionItem,false)).thenReturn(rc);
  stub(method(ElementWriterFactory.class,"String_Node_Str")).toReturn(dp);
  AnalysisWriter aw=mock(AnalysisWriter.class);
  when(aw.save(analysisItem,false)).thenReturn(rc);
  stub(method(ElementWriterFactory.class,"String_Node_Str")).toReturn(aw);
  DependenciesHandler.getInstance().setUsageDependencyOn(analysis,connection);
  analysis.setContext(analysisContext);
  analysisContext.setConnection(connection);
  DependenciesHandler.getInstance().removeConnDependencyAndSave(analysisItem);
  Assert.isTrue(analysis.getContext().getConnection() == null);
  Assert.isTrue(analysis.getClientDependency().isEmpty());
}

Fixed version (ground truth):
@Test public void testRemoveConnDependencyAndSave(){
  TDQAnalysisItem analysisItem=PropertiesFactoryImpl.eINSTANCE.createTDQAnalysisItem();
  Analysis analysis=AnalysisFactory.eINSTANCE.createAnalysis();
  analysis.setName("String_Node_Str");
  analysisItem.setAnalysis(analysis);
  AnalysisContext analysisContext=AnalysisFactory.eINSTANCE.createAnalysisContext();
  ConnectionItem createConnectionItem=org.talend.core.model.properties.PropertiesFactory.eINSTANCE.createConnectionItem();
  Property property=org.talend.core.model.properties.PropertiesFactory.eINSTANCE.createProperty();
  property.setId(EcoreUtil.generateUUID());
  property.setLabel("String_Node_Str");
  createConnectionItem.setProperty(property);
  Connection connection=ConnectionFactory.eINSTANCE.createConnection();
  connection.setName("String_Node_Str");
  setEResource(null,connection);
  createConnectionItem.setConnection(connection);
  stub(method(PropertyHelper.class,"String_Node_Str",Connection.class)).toReturn(property);
  ReturnCode rc=new ReturnCode(true);
  DataProviderWriter dp=mock(DataProviderWriter.class);
  when(dp.save(createConnectionItem,false)).thenReturn(rc);
  stub(method(ElementWriterFactory.class,"String_Node_Str")).toReturn(dp);
  AnalysisWriter aw=mock(AnalysisWriter.class);
  when(aw.save(analysisItem,false)).thenReturn(rc);
  stub(method(ElementWriterFactory.class,"String_Node_Str")).toReturn(aw);
  DependenciesHandler.getInstance().setUsageDependencyOn(analysis,connection);
  analysis.setContext(analysisContext);
  analysisContext.setConnection(connection);
  DependenciesHandler.getInstance().removeConnDependencyAndSave(analysisItem);
  Assert.assertNull(analysis.getContext().getConnection());
  Assert.assertEquals(true,analysis.getClientDependency().isEmpty());
}