private EntityTreeNode mockOperationComponent( final Long id, final String nodeNumber, final Collection<Entity> inputProducts, final Collection<Entity> outputProducts, final List<EntityTreeNode> subOperations) { EntityTreeNode operationComponent = mock(EntityTreeNode.class); given(operationComponent.getId()).willReturn(id); EntityList inputProductsList = mockProductComponentsList(inputProducts); given(operationComponent.getHasManyField(OPERATION_PRODUCT_IN_COMPONENTS)) .willReturn(inputProductsList); given(operationComponent.getField(OPERATION_PRODUCT_IN_COMPONENTS)) .willReturn(inputProductsList); EntityList outputProductsList = mockProductComponentsList(outputProducts); given(operationComponent.getHasManyField(OPERATION_PRODUCT_OUT_COMPONENTS)) .willReturn(outputProductsList); given(operationComponent.getField(OPERATION_PRODUCT_OUT_COMPONENTS)) .willReturn(outputProductsList); given(operationComponent.getField(NODE_NUMBER)).willReturn(nodeNumber); given(operationComponent.getStringField(NODE_NUMBER)).willReturn(nodeNumber); given(operationComponent.getChildren()).willReturn(subOperations); return operationComponent; }