sal/service_manager/tests/factory_tests.rs

use sal_service_manager::{create_service_manager, ServiceConfig, ServiceManager};
use std::collections::HashMap;

#[test]
fn test_create_service_manager() {
    // Test that the factory function creates the appropriate service manager for the platform
    let manager = create_service_manager();
    
    // Test basic functionality - should be able to call methods without panicking
    let list_result = manager.list();
    
    // The result might be an error (if no service system is available), but it shouldn't panic
    match list_result {
        Ok(services) => {
            println!("✓ Service manager created successfully, found {} services", services.len());
        }
        Err(e) => {
            println!("✓ Service manager created, but got expected error: {}", e);
            // This is expected on systems without the appropriate service manager
        }
    }
}

#[test]
fn test_service_config_creation() {
    // Test creating various service configurations
    let basic_config = ServiceConfig {
        name: "test-service".to_string(),
        binary_path: "/usr/bin/echo".to_string(),
        args: vec!["hello".to_string(), "world".to_string()],
        working_directory: None,
        environment: HashMap::new(),
        auto_restart: false,
    };
    
    assert_eq!(basic_config.name, "test-service");
    assert_eq!(basic_config.binary_path, "/usr/bin/echo");
    assert_eq!(basic_config.args.len(), 2);
    assert_eq!(basic_config.args[0], "hello");
    assert_eq!(basic_config.args[1], "world");
    assert!(basic_config.working_directory.is_none());
    assert!(basic_config.environment.is_empty());
    assert!(!basic_config.auto_restart);
    
    println!("✓ Basic service config created successfully");

    // Test config with environment variables
    let mut env = HashMap::new();
    env.insert("PATH".to_string(), "/usr/bin:/bin".to_string());
    env.insert("HOME".to_string(), "/tmp".to_string());
    
    let env_config = ServiceConfig {
        name: "env-service".to_string(),
        binary_path: "/usr/bin/env".to_string(),
        args: vec![],
        working_directory: Some("/tmp".to_string()),
        environment: env.clone(),
        auto_restart: true,
    };
    
    assert_eq!(env_config.name, "env-service");
    assert_eq!(env_config.binary_path, "/usr/bin/env");
    assert!(env_config.args.is_empty());
    assert_eq!(env_config.working_directory, Some("/tmp".to_string()));
    assert_eq!(env_config.environment.len(), 2);
    assert_eq!(env_config.environment.get("PATH"), Some(&"/usr/bin:/bin".to_string()));
    assert_eq!(env_config.environment.get("HOME"), Some(&"/tmp".to_string()));
    assert!(env_config.auto_restart);
    
    println!("✓ Environment service config created successfully");
}

#[test]
fn test_service_config_clone() {
    // Test that ServiceConfig can be cloned
    let original_config = ServiceConfig {
        name: "original".to_string(),
        binary_path: "/bin/sh".to_string(),
        args: vec!["-c".to_string(), "echo test".to_string()],
        working_directory: Some("/home".to_string()),
        environment: {
            let mut env = HashMap::new();
            env.insert("TEST".to_string(), "value".to_string());
            env
        },
        auto_restart: true,
    };
    
    let cloned_config = original_config.clone();
    
    assert_eq!(original_config.name, cloned_config.name);
    assert_eq!(original_config.binary_path, cloned_config.binary_path);
    assert_eq!(original_config.args, cloned_config.args);
    assert_eq!(original_config.working_directory, cloned_config.working_directory);
    assert_eq!(original_config.environment, cloned_config.environment);
    assert_eq!(original_config.auto_restart, cloned_config.auto_restart);
    
    println!("✓ Service config cloning works correctly");
}

#[cfg(target_os = "macos")]
#[test]
fn test_macos_service_manager() {
    use sal_service_manager::LaunchctlServiceManager;
    
    // Test creating macOS-specific service manager
    let manager = LaunchctlServiceManager::new();
    
    // Test basic functionality
    let list_result = manager.list();
    match list_result {
        Ok(services) => {
            println!("✓ macOS LaunchctlServiceManager created successfully, found {} services", services.len());
        }
        Err(e) => {
            println!("✓ macOS LaunchctlServiceManager created, but got expected error: {}", e);
        }
    }
}

#[cfg(target_os = "linux")]
#[test]
fn test_linux_service_manager() {
    use sal_service_manager::SystemdServiceManager;
    
    // Test creating Linux-specific service manager
    let manager = SystemdServiceManager::new();
    
    // Test basic functionality
    let list_result = manager.list();
    match list_result {
        Ok(services) => {
            println!("✓ Linux SystemdServiceManager created successfully, found {} services", services.len());
        }
        Err(e) => {
            println!("✓ Linux SystemdServiceManager created, but got expected error: {}", e);
        }
    }
}

#[test]
fn test_service_status_debug() {
    use sal_service_manager::ServiceStatus;
    
    // Test that ServiceStatus can be debugged and cloned
    let statuses = vec![
        ServiceStatus::Running,
        ServiceStatus::Stopped,
        ServiceStatus::Failed,
        ServiceStatus::Unknown,
    ];
    
    for status in &statuses {
        let cloned = status.clone();
        let debug_str = format!("{:?}", status);
        
        assert!(!debug_str.is_empty());
        assert_eq!(status, &cloned);
        
        println!("✓ ServiceStatus::{:?} debug and clone work correctly", status);
    }
}

#[test]
fn test_service_manager_error_debug() {
    use sal_service_manager::ServiceManagerError;
    
    // Test that ServiceManagerError can be debugged and displayed
    let errors = vec![
        ServiceManagerError::ServiceNotFound("test".to_string()),
        ServiceManagerError::ServiceAlreadyExists("test".to_string()),
        ServiceManagerError::StartFailed("test".to_string(), "reason".to_string()),
        ServiceManagerError::StopFailed("test".to_string(), "reason".to_string()),
        ServiceManagerError::RestartFailed("test".to_string(), "reason".to_string()),
        ServiceManagerError::LogsFailed("test".to_string(), "reason".to_string()),
        ServiceManagerError::Other("generic error".to_string()),
    ];
    
    for error in &errors {
        let debug_str = format!("{:?}", error);
        let display_str = format!("{}", error);
        
        assert!(!debug_str.is_empty());
        assert!(!display_str.is_empty());
        
        println!("✓ Error debug: {:?}", error);
        println!("✓ Error display: {}", error);
    }
}

#[test]
fn test_service_manager_trait_object() {
    // Test that we can use ServiceManager as a trait object
    let manager: Box<dyn ServiceManager> = create_service_manager();
    
    // Test that we can call methods through the trait object
    let list_result = manager.list();
    
    match list_result {
        Ok(services) => {
            println!("✓ Trait object works, found {} services", services.len());
        }
        Err(e) => {
            println!("✓ Trait object works, got expected error: {}", e);
        }
    }
    
    // Test exists method
    let exists_result = manager.exists("non-existent-service");
    match exists_result {
        Ok(false) => println!("✓ Trait object exists method works correctly"),
        Ok(true) => println!("⚠ Unexpectedly found non-existent service"),
        Err(_) => println!("✓ Trait object exists method works (with error)"),
    }
}