@Test
public void ensureCascadedCreateWorks() throws IOException, ClassNotFoundException {
String METHOD_NAME = "ensureCascadedCreateWorks";
Post toCreate = new Post();
toCreate.text = METHOD_NAME;
User author = new User();
author.password = METHOD_NAME;
author.setLogin(METHOD_NAME);
toCreate.author = author;
getPostService().create(toCreate);
// Find it back
Post found = getPostService().find().matching(new FindPostByText(METHOD_NAME)).getFirst();
assertThat(found, IsNull.notNullValue());
assertThat(found.author, IsNull.notNullValue());
assertThat(found.author.getLogin(), IsNull.notNullValue());
}
@Test
public void ensureDeletCascadesWell() {
User other = new User().withId(2).withLogin("other login").withPassword("other password");
long id = DELETABLE_POST;
other.about = new Post(id, "a post about another user", 2, State.PUBLIC, other);
getUserService().create(other);
Post about = ((IdBasedService<Post>) getPostService()).findById(id);
assertThat(about, IsNull.notNullValue());
getUserService().delete(other);
try {
if (environment.getGraph() instanceof TransactionalGraph) {
TransactionalGraph transactionalGraph = (TransactionalGraph) environment.getGraph();
// transactionalGraph.startTransaction();
}
about = ((IdBasedService<Post>) getPostService()).findById(id);
assertThat(about, IsNull.nullValue());
} catch (NoReturnableVertexException e) {
// that exception is one of possible correct behaviours
}
}
@Test
public void ensureUpdateCascadesWell() {
User other = new User().withId(2).withLogin("other login").withPassword("other password");
long id = DELETABLE_POST;
String POST_TEXT = "a post about another user";
other.about = new Post(id, POST_TEXT, 2, State.PUBLIC, other);
getUserService().create(other);
Post about = ((IdBasedService<Post>) getPostService()).findById(id);
assertThat(about, IsNull.notNullValue());
assertThat(about.text, Is.is(POST_TEXT));
about.text += POST_TEXT;
getUserService().update(other);
about = ((IdBasedService<Post>) getPostService()).findById(id);
assertThat(about, IsNull.notNullValue());
// we didn't change author's about Post, but the one we fetched separatly
assertThat(about.text, Is.is(POST_TEXT));
// Now we update the GOOD about message (yeah these cascade things are a nightmare)
((Post) other.about).text += POST_TEXT;
getUserService().update(other);
about = ((IdBasedService<Post>) getPostService()).findById(id);
assertThat(about, IsNull.notNullValue());
assertThat(about.text, Is.is(POST_TEXT + POST_TEXT));
}
