public void testIfSimplePropertyConnectionWorks_shouldWork() throws Exception {
TransformationDescription description =
new TransformationDescription(getModelADescription(), getModelBDescription());
description.forwardField("idA", "idB");
description.forwardField("idA", "testB");
description.forwardField("testA", "testB");
Map<String, Set<String>> result = calculator.getPropertyConnections(description);
assertThat(result.get("idA").contains("idB"), is(true));
assertThat(result.get("idA").contains("testB"), is(true));
assertThat(result.get("idA").size(), is(2));
assertThat(result.get("testA").contains("testB"), is(true));