Function test_save_append_to_existing_file

atomic-agent/src/learnings.rs:1015–1043

()

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

        // Write existing content
        std::fs::write(
            &claude_md,
            "# My Project\n\nExisting project documentation.\n",
        )
        .unwrap();

        let learnings = Learnings {
            repo: vec!["New learning".into()],
            code: vec![],
            workflow: vec![],
        };

        let result = save_learnings_to_context_file(dir.path(), "claude-code", &learnings).unwrap();

        assert_eq!(result.added, 1);

        let content = std::fs::read_to_string(&claude_md).unwrap();
        // Original content preserved
        assert!(content.contains("# My Project"));
        assert!(content.contains("Existing project documentation."));
        // New section appended
        assert!(content.contains(SECTION_HEADING));
        assert!(content.contains("- New learning"));
    }

    #[test]
    fn test_save_merge_into_existing_section() {