Function upsert_topic

backend/tests/git/topic.rs:684–703

(repo_1: RepoId, repo_2: RepoId, name: &str)

    }

    fn upsert_topic(repo_1: RepoId, repo_2: RepoId, name: &str) -> Result<UpsertTopicResult> {
        let f = Fixtures::copy("simple");
        let topic_id = parse_id("00001");

        let result = f
            .upsert_topic(repo_1, name, &topic_id, OnMatchingSynonym::Ask)
            .unwrap();
        assert!(result.saved);
        let parent_topic = result.repo_topic.unwrap();
        let parent_id = parent_topic.topic_id();

        let topic_path = parse_id("00002");

        f.upsert_topic(
            repo_2,
            name,
            &topic_path,
            OnMatchingSynonym::Update(parent_id.to_owned()),
        )
    }

    fn assert_update_works(repo_1: RepoId, repo_2: RepoId, expected_parent_topics: &[&str]) {
        let result = upsert_topic(repo_1, repo_2, "Topic name").unwrap();