Function merge_subcommand_with_many_chains

tests/merge.rs:2742–3036

()

/// Test using --chain flag with a repository that has many chains
#[test]
fn merge_subcommand_with_many_chains() {
    let repo_name = "merge_with_many_chains";
    let repo = setup_git_repo(repo_name);
    let path_to_repo = generate_path_to_repo(repo_name);

    println!("=== TEST SETUP: Initial Repository ===");
    // Create initial repository state
    {
        create_new_file(&path_to_repo, "hello_world.txt", "Hello, world!");
        first_commit_all(&repo, "first commit");
        println!("Created master branch with hello_world.txt");
    };

    println!("=== CREATING MULTIPLE CHAINS ===");
    // Create multiple chains (5 chains with 2 branches each)
    for i in 1..=5 {
        let chain_name = format!("chain_{}", i);
        let first_branch = format!("branch_{}_1", i);
        let second_branch = format!("branch_{}_2", i);

        println!(
            "Creating chain: {} with branches {} and {}",
            chain_name, first_branch, second_branch
        );

        // Create first branch in chain
        checkout_branch(&repo, "master");
        create_branch(&repo, &first_branch);
        checkout_branch(&repo, &first_branch);
        create_new_file(
            &path_to_repo,
            &format!("file_{}_1.txt", i),
            &format!("Content {}-1", i),
        );
        commit_all(&repo, &format!("Commit {}-1", i));
        println!("Created {} with file_{}_1.txt", first_branch, i);

        // Create second branch in chain
        create_branch(&repo, &second_branch);
        checkout_branch(&repo, &second_branch);
        create_new_file(
            &path_to_repo,
            &format!("file_{}_2.txt", i),
            &format!("Content {}-2", i),
        );
        commit_all(&repo, &format!("Commit {}-2", i));
        println!("Created {} with file_{}_2.txt", second_branch, i);

        // Setup the chain
        let args: Vec<&str> = vec![
            "setup",
            &chain_name,
            "master",
            &first_branch,
            &second_branch,
        ];
        let output = run_test_bin_expect_ok(&path_to_repo, args);
        let setup_stdout = String::from_utf8_lossy(&output.stdout);