Function merge_subcommand_deep_chain

tests/merge.rs:5441–5685

()

/// Test deep chains (3+ levels) with merge feature
#[test]
fn merge_subcommand_deep_chain() {
    println!("=== TEST SETUP: MERGE SUBCOMMAND DEEP CHAIN ===");
    let repo_name = "merge_deep_chain";
    let repo = setup_git_repo(repo_name);
    let path_to_repo = generate_path_to_repo(repo_name);

    // Helper function to get git log
    let get_git_log = |branch_name: &str, num_entries: &str| -> String {
        let output = run_git_command(
            &path_to_repo,
            vec!["log", "--oneline", "-n", num_entries, branch_name],
        );
        String::from_utf8_lossy(&output.stdout).to_string()
    };

    // Helper function to check if file exists
    let file_exists = |filename: &str| -> bool {
        std::path::Path::new(&format!("{}/{}", path_to_repo.to_string_lossy(), filename)).exists()
    };

    println!("=== REPOSITORY AND DEEP CHAIN INITIALIZATION ===");
    // Create initial repository with a deep chain (5 levels)
    {
        create_new_file(&path_to_repo, "hello_world.txt", "Hello, world!");
        first_commit_all(&repo, "first commit");

        // Create branches for deep chain
        let branch_names = [
            "feature_1",
            "feature_2",
            "feature_3",
            "feature_4",
            "feature_5",
        ];

        println!(
            "Creating deep chain with {} branches: {}",
            branch_names.len(),
            branch_names.join(" -> ")
        );

        for (i, branch_name) in branch_names.iter().enumerate() {
            if i == 0 {
                // First branch based on master
                println!("Creating first branch {} from master", branch_name);
                create_branch(&repo, branch_name);
                checkout_branch(&repo, branch_name);
            } else {
                // Subsequent branches based on previous branch
                println!(
                    "Creating branch {} from {}",
                    branch_name,
                    branch_names[i - 1]
                );
                create_branch(&repo, branch_name);
                checkout_branch(&repo, branch_name);
            }