terraphim_agent 1.16.34

//! Tests for command execution modes
//!
//! This module tests the Local, Firecracker, and Hybrid execution modes
//! with proper isolation and security validation.

use std::collections::HashMap;
use terraphim_agent::commands::{CommandDefinition, CommandParameter, ExecutionMode, RiskLevel};

/// Creates a test command definition
fn create_test_command(
    name: &str,
    risk_level: RiskLevel,
    execution_mode: ExecutionMode,
) -> CommandDefinition {
    CommandDefinition {
        name: name.to_string(),
        description: format!("Test command for {}", name),
        usage: Some(format!("{} [options]", name)),
        category: Some("Testing".to_string()),
        version: "1.0.0".to_string(),
        risk_level,
        execution_mode,
        permissions: vec!["read".to_string(), "execute".to_string()],
        knowledge_graph_required: vec![],
        namespace: None,
        aliases: vec![],
        timeout: Some(30),
        resource_limits: Some(terraphim_agent::commands::ResourceLimits {
            max_memory_mb: Some(512),
            max_cpu_time: Some(60),
            max_disk_mb: Some(100),
            network_access: false,
        }),
        parameters: vec![CommandParameter {
            name: "input".to_string(),
            param_type: "string".to_string(),
            required: true,
            description: Some("Input parameter".to_string()),
            default_value: None,
            validation: None,
            allowed_values: None,
        }],
    }
}

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

    #[tokio::test]
    async fn test_local_safe_command_execution() {
        // This test would verify that safe commands execute locally
        // Implementation depends on having a working LocalExecutor

        let command_def = create_test_command("safe-command", RiskLevel::Low, ExecutionMode::Local);

        let mut parameters = HashMap::new();
        parameters.insert("input".to_string(), "test".to_string());

        // For now, just test that the command definition is properly structured
        assert_eq!(command_def.risk_level, RiskLevel::Low);
        assert_eq!(command_def.execution_mode, ExecutionMode::Local);
        assert!(command_def.permissions.contains(&"read".to_string()));

        // Test resource limits
        assert!(command_def.resource_limits.is_some());
        let limits = command_def.resource_limits.as_ref().unwrap();
        assert_eq!(limits.max_memory_mb, Some(512));
        assert_eq!(limits.max_cpu_time, Some(60));
        assert!(!limits.network_access);
    }

    #[tokio::test]
    async fn test_local_command_timeout() {
        let command_def = create_test_command("timeout-test", RiskLevel::Low, ExecutionMode::Local);

        // Test timeout configuration
        assert_eq!(command_def.timeout, Some(30));

        // In a full implementation, this would test actual timeout behavior
        // For now, verify the configuration is correct
    }

    #[tokio::test]
    async fn test_local_command_resource_monitoring() {
        let command_def =
            create_test_command("resource-test", RiskLevel::Medium, ExecutionMode::Local);

        // Test resource limits are properly set
        assert!(command_def.resource_limits.is_some());

        let limits = command_def.resource_limits.unwrap();
        assert_eq!(limits.max_memory_mb, Some(512));
        assert_eq!(limits.max_cpu_time, Some(60));
        assert_eq!(limits.max_disk_mb, Some(100));
        assert!(!limits.network_access);

        // In a full implementation, this would test actual resource monitoring
        // during command execution
    }
}

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

    #[tokio::test]
    async fn test_firecracker_high_risk_command_execution() {
        let command_def =
            create_test_command("risky-command", RiskLevel::High, ExecutionMode::Firecracker);

        let mut parameters = HashMap::new();
        parameters.insert("input".to_string(), "sensitive_data".to_string());

        // Verify high-risk commands are configured for Firecracker
        assert_eq!(command_def.risk_level, RiskLevel::High);
        assert_eq!(command_def.execution_mode, ExecutionMode::Firecracker);
        assert!(command_def.permissions.contains(&"execute".to_string()));

        // Test resource limits for isolated execution
        assert!(command_def.resource_limits.is_some());
        let limits = command_def.resource_limits.as_ref().unwrap();
        assert_eq!(limits.max_memory_mb, Some(512));
        assert_eq!(limits.max_cpu_time, Some(60));
        assert!(!limits.network_access);
    }

    #[tokio::test]
    async fn test_firecracker_critical_command_execution() {
        let command_def = create_test_command(
            "critical-command",
            RiskLevel::Critical,
            ExecutionMode::Firecracker,
        );

        // Verify critical commands have strictest isolation
        assert_eq!(command_def.risk_level, RiskLevel::Critical);
        assert_eq!(command_def.execution_mode, ExecutionMode::Firecracker);

        // Critical commands should have resource limits
        assert!(command_def.resource_limits.is_some());

        // In a full implementation, this would test VM allocation,
        // execution isolation, and cleanup
    }

    #[tokio::test]
    async fn test_firecracker_vm_lifecycle() {
        // This test would verify the complete VM lifecycle:
        // 1. VM allocation
        // 2. Command execution
        // 3. Resource monitoring
        // 4. VM cleanup

        // For now, we just test the command structure
        let command_def = create_test_command(
            "vm-lifecycle-test",
            RiskLevel::High,
            ExecutionMode::Firecracker,
        );

        assert_eq!(command_def.timeout, Some(30));
        assert!(command_def.resource_limits.is_some());
    }

    #[tokio::test]
    async fn test_firecracker_network_isolation() {
        let mut command_def = create_test_command(
            "network-isolated",
            RiskLevel::High,
            ExecutionMode::Firecracker,
        );

        // Test network access configuration
        assert!(!command_def.resource_limits.as_ref().unwrap().network_access);

        // Create command with network access
        command_def.resource_limits.as_mut().unwrap().network_access = true;
        assert!(command_def.resource_limits.as_ref().unwrap().network_access);

        // In a full implementation, this would test actual network isolation
    }
}

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

    #[tokio::test]
    async fn test_hybrid_mode_decision_logic() {
        // Test different risk levels and expected execution modes
        let test_cases = vec![
            ("safe-cmd", RiskLevel::Low, ExecutionMode::Local),
            ("medium-cmd", RiskLevel::Medium, ExecutionMode::Hybrid),
            ("risky-cmd", RiskLevel::High, ExecutionMode::Firecracker),
            (
                "critical-cmd",
                RiskLevel::Critical,
                ExecutionMode::Firecracker,
            ),
        ];

        for (name, risk_level, expected_mode) in test_cases {
            let command_def = create_test_command(name, risk_level.clone(), expected_mode.clone());

            // Verify the command is configured with the expected execution mode
            assert_eq!(
                command_def.execution_mode,
                expected_mode,
                "Command '{}' with risk level {:?} should use {:?} mode",
                name,
                risk_level.clone(),
                expected_mode.clone()
            );
        }
    }

    #[tokio::test]
    async fn test_hybrid_mode_context_switching() {
        // This test would verify that hybrid mode makes intelligent
        // decisions about execution mode based on:
        // 1. Command risk level
        // 2. User role
        // 3. System state
        // 4. Resource availability

        let low_risk_cmd = create_test_command("low-risk", RiskLevel::Low, ExecutionMode::Hybrid);
        let high_risk_cmd =
            create_test_command("high-risk", RiskLevel::High, ExecutionMode::Hybrid);

        // In a full implementation, this would test the hybrid decision logic
        // For now, verify both commands are configured for hybrid mode
        assert_eq!(low_risk_cmd.execution_mode, ExecutionMode::Hybrid);
        assert_eq!(high_risk_cmd.execution_mode, ExecutionMode::Hybrid);
    }

    #[tokio::test]
    async fn test_hybrid_mode_fallback_behavior() {
        // This test would verify fallback behavior when preferred
        // execution mode is unavailable

        let command_def =
            create_test_command("fallback-test", RiskLevel::Medium, ExecutionMode::Hybrid);

        // Test that hybrid mode commands have comprehensive configuration
        assert!(command_def.timeout.is_some());
        assert!(command_def.resource_limits.is_some());
        assert!(!command_def.permissions.is_empty());

        // In a full implementation, this would test actual fallback logic
    }
}

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

    #[tokio::test]
    async fn test_execution_mode_isolation() {
        // Test that different execution modes provide appropriate isolation
        let local_cmd = create_test_command("local-test", RiskLevel::Low, ExecutionMode::Local);
        let firecracker_cmd =
            create_test_command("isolated-test", RiskLevel::High, ExecutionMode::Firecracker);

        // Verify isolation configurations
        assert_eq!(local_cmd.execution_mode, ExecutionMode::Local);
        assert_eq!(firecracker_cmd.execution_mode, ExecutionMode::Firecracker);

        // High-risk commands should have stricter resource limits
        let local_limits = local_cmd.resource_limits.as_ref().unwrap();
        let isolated_limits = firecracker_cmd.resource_limits.as_ref().unwrap();

        assert_eq!(local_limits.max_memory_mb, Some(512));
        assert_eq!(isolated_limits.max_memory_mb, Some(512));

        // In a full implementation, this would test actual isolation mechanisms
    }

    #[tokio::test]
    async fn test_execution_mode_resource_enforcement() {
        // Test that execution modes enforce resource limits

        let command_def = create_test_command(
            "resource-enforcement",
            RiskLevel::Medium,
            ExecutionMode::Hybrid,
        );

        let limits = command_def.resource_limits.as_ref().unwrap();

        // Verify all resource limits are configured
        assert!(limits.max_memory_mb.is_some());
        assert!(limits.max_cpu_time.is_some());
        assert!(limits.max_disk_mb.is_some());

        // Test timeout configuration
        assert!(command_def.timeout.is_some());
        assert_eq!(command_def.timeout.unwrap(), 30);

        // In a full implementation, this would test actual resource enforcement
    }

    #[tokio::test]
    async fn test_execution_mode_error_handling() {
        // Test error handling in different execution modes

        let test_cases = vec![
            ("local-error", RiskLevel::Low, ExecutionMode::Local),
            ("hybrid-error", RiskLevel::Medium, ExecutionMode::Hybrid),
            (
                "firecracker-error",
                RiskLevel::High,
                ExecutionMode::Firecracker,
            ),
        ];

        for (name, risk_level, mode) in test_cases {
            let command_def = create_test_command(name, risk_level.clone(), mode.clone());

            // Verify command structure
            assert_eq!(command_def.name, name);
            assert_eq!(command_def.risk_level, risk_level);
            assert_eq!(command_def.execution_mode, mode);

            // In a full implementation, this would test error handling scenarios
            // like timeouts, resource exhaustion, VM failures, etc.
        }
    }
}

#[cfg(test)]
mod performance_tests {
    use super::*;
    use std::time::Instant;

    #[tokio::test]
    async fn test_command_parsing_performance() {
        // Test performance of command definition parsing

        let start = Instant::now();

        // Create multiple command definitions
        for i in 0..1000 {
            let _cmd = create_test_command(
                &format!("perf-test-{}", i),
                RiskLevel::Low,
                ExecutionMode::Local,
            );
        }

        let duration = start.elapsed();

        // Should complete quickly (less than 100ms for 1000 commands)
        assert!(
            duration.as_millis() < 100,
            "Creating 1000 command definitions should take less than 100ms, took {:?}",
            duration
        );
    }

    #[tokio::test]
    async fn test_parameter_validation_performance() {
        // Test performance of parameter validation

        let _command_def =
            create_test_command("param-perf-test", RiskLevel::Medium, ExecutionMode::Hybrid);

        let start = Instant::now();

        // Validate parameters multiple times
        for i in 0..10000 {
            let mut params = HashMap::new();
            params.insert("input".to_string(), format!("value-{}", i));

            // In a full implementation, this would call parameter validation
            // For now, just test HashMap operations
            assert!(params.contains_key("input"));
        }

        let duration = start.elapsed();

        // Should complete quickly (less than 50ms for 10000 validations)
        assert!(
            duration.as_millis() < 50,
            "Validating 10000 parameter sets should take less than 50ms, took {:?}",
            duration
        );
    }

    #[tokio::test]
    async fn test_registry_search_performance() {
        // Test performance of command registry search

        // This would require an actual registry implementation
        // For now, test vector search performance

        let commands: Vec<_> = (0..1000)
            .map(|i| {
                create_test_command(&format!("cmd-{}", i), RiskLevel::Low, ExecutionMode::Local)
            })
            .collect();

        let start = Instant::now();

        // Search for commands - use exact match for "cmd-42" instead of contains
        // to ensure only one result is found
        let results: Vec<_> = commands.iter().filter(|cmd| cmd.name == "cmd-42").collect();

        let duration = start.elapsed();

        assert_eq!(results.len(), 1, "Should find exactly one command");
        assert!(
            duration.as_millis() < 10,
            "Searching 1000 commands should take less than 10ms, took {:?}",
            duration
        );
    }
}