autumn-cli 0.1.0

CLI tool for the Autumn web framework
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use clap::{Parser, Subcommand};

mod new;
mod setup;

/// The Autumn web framework CLI.
#[derive(Parser)]
#[command(name = "autumn", version, about = "The Autumn web framework CLI")]
struct Cli {
    #[command(subcommand)]
    command: Commands,
}

/// Available subcommands.
#[derive(Subcommand)]
enum Commands {
    /// Create a new Autumn project
    New {
        /// Project name (must be a valid Rust package name)
        name: String,
    },
    /// Download and configure external tools (Tailwind CSS)
    Setup {
        /// Re-download even if the binary already exists
        #[arg(long)]
        force: bool,
    },
}

fn main() {
    let cli = Cli::parse();
    match cli.command {
        Commands::New { name } => new::run(&name),
        Commands::Setup { force } => setup::run(force),
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn parse_new_subcommand() {
        let cli = Cli::try_parse_from(["autumn", "new", "my-app"]).unwrap();
        match cli.command {
            Commands::New { ref name } => assert_eq!(name, "my-app"),
            Commands::Setup { .. } => panic!("expected New command"),
        }
    }

    #[test]
    fn parse_new_with_underscores() {
        let cli = Cli::try_parse_from(["autumn", "new", "my_app"]).unwrap();
        match cli.command {
            Commands::New { ref name } => assert_eq!(name, "my_app"),
            Commands::Setup { .. } => panic!("expected New command"),
        }
    }

    #[test]
    fn parse_setup_subcommand() {
        let cli = Cli::try_parse_from(["autumn", "setup"]).unwrap();
        assert!(matches!(cli.command, Commands::Setup { force: false }));
    }

    #[test]
    fn parse_setup_with_force() {
        let cli = Cli::try_parse_from(["autumn", "setup", "--force"]).unwrap();
        assert!(matches!(cli.command, Commands::Setup { force: true }));
    }

    #[test]
    fn no_args_is_error() {
        assert!(Cli::try_parse_from(["autumn"]).is_err());
    }

    #[test]
    fn new_missing_name_is_error() {
        assert!(Cli::try_parse_from(["autumn", "new"]).is_err());
    }

    #[test]
    fn unknown_subcommand_is_error() {
        assert!(Cli::try_parse_from(["autumn", "bogus"]).is_err());
    }
}