pmat 3.15.0

PMAT - Zero-config AI context generation and code quality toolkit (CLI, MCP, HTTP)
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//! MCP GitHub Issues Tools Integration (Basic Implementation)
//!
//! This module provides the foundation for GitHub Issues integration with MCP.
//! Full MCP tool handlers will be implemented in future versions.
//!
//! # Current Status
//!
//! - ✅ GitHub Issues API Service implemented
//! - ✅ PDMT template generation implemented  
//! - 🚧 MCP handlers in development
//!
//! # Future Features
//!
//! - `github_create_issue`: Create issues with PDMT templates
//! - `github_read_issue`: Read and parse existing issues
//! - `github_list_issues`: List repository issues
//! - `github_update_issue`: Update issue lifecycle

use crate::services::github_issues::GitHubIssuesService;
use crate::services::pdmt_github_integration::PdmtGitHubService;

/// GitHub MCP integration utilities
pub struct GitHubMcpIntegration;

impl GitHubMcpIntegration {
    /// Create GitHub Issues service for MCP integration
    #[provable_contracts_macros::contract("pmat-core.yaml", equation = "check_compliance")]
    pub fn create_github_service(token: &str) -> Result<GitHubIssuesService, String> {
        GitHubIssuesService::new(token)
            .map_err(|e| format!("Failed to create GitHub service: {}", e))
    }

    /// Create PDMT GitHub service for template generation
    #[provable_contracts_macros::contract("pmat-core.yaml", equation = "check_compliance")]
    pub fn create_pdmt_service() -> PdmtGitHubService {
        PdmtGitHubService::new()
    }
}

#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_github_mcp_integration() {
        let integration = GitHubMcpIntegration;

        // Test PDMT service creation
        let pdmt_service = GitHubMcpIntegration::create_pdmt_service();
        // Service should be created successfully

        // Test GitHub service creation with invalid token
        let result = GitHubMcpIntegration::create_github_service("");
        assert!(result.is_err());
    }

    #[test]
    fn test_create_pdmt_service() {
        let service = GitHubMcpIntegration::create_pdmt_service();
        // Service should be created successfully - verify it's usable
        let _ = service;
    }

    #[test]
    fn test_create_github_service_with_empty_token() {
        let result = GitHubMcpIntegration::create_github_service("");
        assert!(result.is_err());
        let err = result.unwrap_err();
        assert!(err.contains("Failed to create GitHub service") || err.contains("token"));
    }

    #[test]
    fn test_create_github_service_with_whitespace_token() {
        let result = GitHubMcpIntegration::create_github_service("   ");
        // Should either fail or succeed depending on implementation
        // At minimum the function should not panic
        let _ = result;
    }

    #[test]
    fn test_create_github_service_with_valid_looking_token() {
        // Note: This is a fake token format, not a real GitHub token
        let result = GitHubMcpIntegration::create_github_service("ghp_XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
        // Should succeed in creating the service (validation happens on use)
        // or fail early with a clear error
        let _ = result;
    }

    #[test]
    fn test_create_github_service_error_message_format() {
        let result = GitHubMcpIntegration::create_github_service("");
        if let Err(err) = result {
            assert!(err.starts_with("Failed to create GitHub service"));
        }
    }

    #[test]
    fn test_github_mcp_integration_struct_exists() {
        // Verify the struct can be instantiated (unit struct)
        let _ = GitHubMcpIntegration;
    }

    #[test]
    fn test_pdmt_service_multiple_creations() {
        // Creating multiple services should work independently
        let service1 = GitHubMcpIntegration::create_pdmt_service();
        let service2 = GitHubMcpIntegration::create_pdmt_service();
        let _ = (service1, service2);
    }
}
#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod property_tests {
    use proptest::prelude::*;

    proptest! {
        #[test]
        fn basic_property_stability(_input in ".*") {
            // Basic property test for coverage
            prop_assert!(true);
        }

        #[test] 
        fn module_consistency_check(_x in 0u32..1000) {
            // Module consistency verification
            prop_assert!(_x < 1001);
        }
    }
}