pmat 3.11.0

PMAT - Zero-config AI context generation and code quality toolkit (CLI, MCP, HTTP)
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// CacheOrchestrator: Unit tests and property tests

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

    struct MockCacheStrategy {
        id: String,
        hit_rate: f64,
    }

    impl CacheStrategy for MockCacheStrategy {
        fn strategy_id(&self) -> &str {
            &self.id
        }

        fn get_stats(&self) -> PerformanceMetrics {
            PerformanceMetrics {
                hit_rate: self.hit_rate,
                avg_latency: Duration::from_millis(10),
                memory_utilization: 0.5,
                throughput: 100.0,
                effectiveness_score: self.hit_rate,
            }
        }
    }

    #[tokio::test]
    async fn test_orchestrator_creation() {
        let config = OrchestratorConfig::default();
        let orchestrator = CacheOrchestrator::new(config);

        let stats = orchestrator.get_orchestrator_stats();
        assert_eq!(stats.strategy_switches, 0);
    }

    #[tokio::test]
    async fn test_strategy_registration() -> Result<()> {
        let config = OrchestratorConfig::default();
        let orchestrator = CacheOrchestrator::new(config);

        let mock_strategy = Box::new(MockCacheStrategy {
            id: "test_strategy".to_string(),
            hit_rate: 0.8,
        });

        orchestrator.register_strategy(mock_strategy)?;

        Ok(())
    }

    #[tokio::test]
    async fn test_workload_analysis() -> Result<()> {
        let config = OrchestratorConfig::default();
        let orchestrator = CacheOrchestrator::new(config);

        let workload = WorkloadProfile {
            temporal_locality: 0.9, // High temporal locality should suggest LRU
            ..Default::default()
        };

        orchestrator.update_workload_profile(workload).await?;
        let recommendation = orchestrator.recommend_strategy().await?;

        assert_eq!(recommendation.eviction_policy, EvictionPolicy::LRU);

        Ok(())
    }

    #[test]
    fn test_tier_configuration() {
        let config = OrchestratorConfig::default();
        let orchestrator = CacheOrchestrator::new(config);

        let workload = WorkloadProfile {
            latency_sensitivity: 0.95, // High latency sensitivity
            working_set_size: 1_000_000,
            ..Default::default()
        };

        let tier_config = orchestrator.configure_tiers(&workload);

        // Should allocate more to L1 for latency-sensitive workloads
        let l1_allocation = tier_config.tier_allocations.get(&CacheTier::L1).unwrap();
        let l2_allocation = tier_config.tier_allocations.get(&CacheTier::L2).unwrap();

        assert!(l1_allocation > l2_allocation);
    }

    #[test]
    fn test_strategy_evaluation() {
        let _workload = WorkloadProfile {
            temporal_locality: 0.8,
            spatial_locality: 0.6,
            latency_sensitivity: 0.9,
            ..Default::default()
        };

        let performance = PerformanceMetrics {
            hit_rate: 0.85,
            throughput: 1000.0,
            ..Default::default()
        };

        let evaluation = StrategyEvaluation {
            performance,
            timestamp: std::time::Instant::now(),
        };

        // Test score calculation
        let score = evaluation.score();
        assert!(score > 0.0, "Score should be positive for good performance");

        // Test validity check
        assert!(evaluation.is_valid(), "Fresh evaluation should be valid");
    }
}

#[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);
        }
    }
}