Function test_save_merge_no_heading_duplication

atomic-agent/src/learnings.rs:1115–1155

()

    #[test]
    fn test_save_merge_no_heading_duplication() {
        let dir = TempDir::new().unwrap();
        let claude_md = dir.path().join("CLAUDE.md");

        // First save creates section with Repo
        let learnings1 = Learnings {
            repo: vec!["Learning A".into()],
            code: vec![],
            workflow: vec!["Tip X".into()],
        };
        save_learnings_to_context_file(dir.path(), "claude-code", &learnings1).unwrap();

        // Second save adds more to Repo and Workflow
        let learnings2 = Learnings {
            repo: vec!["Learning B".into()],
            code: vec![],
            workflow: vec!["Tip Y".into()],
        };
        save_learnings_to_context_file(dir.path(), "claude-code", &learnings2).unwrap();

        let content = std::fs::read_to_string(&claude_md).unwrap();

        // Each heading should appear exactly once
        assert_eq!(
            content.matches("### Repo").count(),
            1,
            "### Repo duplicated:\n{}",
            content
        );
        assert_eq!(
            content.matches("### Workflow").count(),
            1,
            "### Workflow duplicated:\n{}",
            content
        );
        // All items present
        assert!(content.contains("- Learning A"));
        assert!(content.contains("- Learning B"));
        assert!(content.contains("- Tip X"));
        assert!(content.contains("- Tip Y"));
    }

    #[test]
    fn test_save_code_learnings_excluded() {