358 lines
12 KiB
Rust
358 lines
12 KiB
Rust
//! Tests for RegionManager - Multi-region orchestration
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//! Following strict TDD: These are FAILING tests written FIRST
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use rtx_platform::{
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PlatformConfig, PlatformError,
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error::RegionError,
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region::{CrossRegionOp, RegionConfig, RegionHealth, RegionManager},
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};
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use std::collections::HashMap;
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use uuid::Uuid;
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/// Create test configuration
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fn create_test_config() -> PlatformConfig {
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let mut regions = HashMap::new();
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regions.insert(
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"us-east-1".to_string(),
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RegionConfig {
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id: "us-east-1".to_string(),
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name: "US East 1".to_string(),
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endpoint: "https://us-east-1.rustytorch.com".to_string(),
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capacity_limits: HashMap::from([
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("gpu".to_string(), 1000),
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("memory_gb".to_string(), 10000),
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("storage_gb".to_string(), 100000),
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]),
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availability_zone_count: 3,
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latency_targets_ms: HashMap::from([
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("us-west-1".to_string(), 100),
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("eu-west-1".to_string(), 150),
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]),
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},
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);
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regions.insert(
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"us-west-1".to_string(),
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RegionConfig {
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id: "us-west-1".to_string(),
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name: "US West 1".to_string(),
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endpoint: "https://us-west-1.rustytorch.com".to_string(),
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capacity_limits: HashMap::from([
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("gpu".to_string(), 800),
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("memory_gb".to_string(), 8000),
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("storage_gb".to_string(), 80000),
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]),
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availability_zone_count: 3,
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latency_targets_ms: HashMap::from([
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("us-east-1".to_string(), 100),
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("eu-west-1".to_string(), 180),
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]),
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},
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);
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regions.insert(
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"eu-west-1".to_string(),
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RegionConfig {
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id: "eu-west-1".to_string(),
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name: "EU West 1".to_string(),
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endpoint: "https://eu-west-1.rustytorch.com".to_string(),
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capacity_limits: HashMap::from([
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("gpu".to_string(), 600),
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("memory_gb".to_string(), 6000),
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("storage_gb".to_string(), 60000),
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]),
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availability_zone_count: 2,
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latency_targets_ms: HashMap::from([
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("us-east-1".to_string(), 150),
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("us-west-1".to_string(), 180),
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]),
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},
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);
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PlatformConfig {
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database_url: "postgresql://test:test@localhost/test".to_string(),
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redis_urls: vec!["redis://localhost:6379".to_string()],
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kafka_brokers: vec!["localhost:9092".to_string()],
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metrics_endpoint: "http://localhost:9090".to_string(),
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regions,
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sla_targets: rtx_platform::slo::SlaTargets {
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availability_percentage: 99.95,
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max_latency_p50_ms: 100,
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max_latency_p99_ms: 500,
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max_latency_p999_ms: 2000,
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max_error_rate_percentage: 0.1,
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error_budget_burn_rate_threshold: 2.0,
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downtime_budget_minutes_per_month: 43.8,
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},
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}
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}
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#[tokio::test]
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async fn test_region_manager_creation_and_initialization() {
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let config = create_test_config();
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// This test WILL FAIL initially - RegionManager doesn't exist yet
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let manager = RegionManager::new(&config)
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.await
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.expect("Failed to create RegionManager");
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// Verify all regions are registered
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assert_eq!(manager.get_region_count().await, 3);
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// Verify each region is properly configured
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let us_east = manager
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.get_region("us-east-1")
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.await
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.expect("us-east-1 not found");
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assert_eq!(us_east.id, "us-east-1");
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assert_eq!(us_east.availability_zone_count, 3);
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assert_eq!(us_east.capacity_limits.get("gpu"), Some(&1000));
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}
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#[tokio::test]
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async fn test_region_health_monitoring() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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// Start health monitoring
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manager
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.start_health_monitoring()
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.await
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.expect("Failed to start health monitoring");
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// Wait for initial health checks
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tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
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// This test WILL FAIL - health monitoring not implemented
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let health = manager
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.get_region_health("us-east-1")
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.await
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.expect("Failed to get health");
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match health {
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RegionHealth::Healthy { uptime, .. } => {
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assert!(uptime > std::time::Duration::from_secs(0));
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}
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_ => panic!("Region should be healthy after startup"),
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}
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}
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#[tokio::test]
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async fn test_cross_region_operation_coordination() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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manager.start().await.unwrap();
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let tenant_id = Uuid::new_v4();
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let operation_id = Uuid::new_v4();
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// Create a cross-region tensor operation
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let cross_region_op = CrossRegionOp {
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id: operation_id,
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tenant_id,
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source_region: "us-east-1".to_string(),
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target_regions: vec!["us-west-1".to_string(), "eu-west-1".to_string()],
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operation_type: "tensor_allreduce".to_string(),
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data_size_bytes: 1024 * 1024 * 100, // 100MB
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priority: 1,
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timeout_ms: 5000,
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};
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// This test WILL FAIL - cross-region coordination not implemented
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let result = manager
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.coordinate_cross_region_operation(cross_region_op)
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.await;
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assert!(result.is_ok());
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let coordination_result = result.unwrap();
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assert_eq!(coordination_result.operation_id, operation_id);
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assert!(coordination_result.latency_ms < 5000);
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assert_eq!(coordination_result.participating_regions.len(), 3);
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}
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#[tokio::test]
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async fn test_region_failover_mechanism() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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manager.start().await.unwrap();
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let tenant_id = Uuid::new_v4();
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// Initially schedule operation in us-east-1
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let operation_req = manager.create_operation_request(
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tenant_id,
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"us-east-1",
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"model_inference",
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1024 * 1024 * 50, // 50MB
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);
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let initial_assignment = manager
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.schedule_operation(operation_req)
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.await
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.expect("Failed to schedule operation");
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assert_eq!(initial_assignment.assigned_region, "us-east-1");
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// Simulate us-east-1 failure
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manager
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.mark_region_unavailable("us-east-1", "simulated_failure")
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.await
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.expect("Failed to mark region unavailable");
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// This test WILL FAIL - failover mechanism not implemented
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let failover_req = manager.create_operation_request(
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tenant_id,
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"us-east-1", // Request same region
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"model_inference",
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1024 * 1024 * 50,
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);
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let failover_assignment = manager
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.schedule_operation(failover_req)
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.await
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.expect("Failed to handle failover");
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// Should be automatically redirected to available region
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assert_ne!(failover_assignment.assigned_region, "us-east-1");
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assert!(
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failover_assignment.assigned_region == "us-west-1"
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|| failover_assignment.assigned_region == "eu-west-1"
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);
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assert!(failover_assignment.is_failover);
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}
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#[tokio::test]
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async fn test_region_capacity_management() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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manager.start().await.unwrap();
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let tenant_id = Uuid::new_v4();
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// Check initial capacity
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let initial_capacity = manager
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.get_region_capacity("us-east-1")
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.await
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.expect("Failed to get initial capacity");
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assert_eq!(initial_capacity.total_gpu, 1000);
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assert_eq!(initial_capacity.available_gpu, 1000);
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// Reserve significant capacity
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let reservation = manager
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.reserve_capacity(
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"us-east-1",
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tenant_id,
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HashMap::from([("gpu".to_string(), 800), ("memory_gb".to_string(), 8000)]),
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)
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.await
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.expect("Failed to reserve capacity");
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// This test WILL FAIL - capacity management not implemented
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let updated_capacity = manager.get_region_capacity("us-east-1").await.unwrap();
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assert_eq!(updated_capacity.available_gpu, 200);
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assert_eq!(updated_capacity.reserved_gpu, 800);
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// Try to over-reserve - should fail
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let over_reservation_result = manager
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.reserve_capacity(
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"us-east-1",
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Uuid::new_v4(),
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HashMap::from([("gpu".to_string(), 300)]), // Only 200 available
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)
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.await;
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assert!(matches!(
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over_reservation_result,
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Err(PlatformError::Region(RegionError::CapacityExhausted { .. }))
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));
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}
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#[tokio::test]
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async fn test_region_latency_optimization() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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manager.start().await.unwrap();
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let tenant_id = Uuid::new_v4();
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// Request operation with latency constraints
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let latency_sensitive_req = manager.create_latency_sensitive_request(
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tenant_id,
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vec!["us-east-1".to_string(), "us-west-1".to_string()],
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100, // Max 100ms latency between regions
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"distributed_training",
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1024 * 1024 * 200, // 200MB
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);
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// This test WILL FAIL - latency optimization not implemented
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let assignment = manager
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.optimize_for_latency(latency_sensitive_req)
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.await
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.expect("Failed to optimize for latency");
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// Verify latency constraints are met
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assert!(assignment.max_inter_region_latency_ms <= 100);
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assert!(
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assignment
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.participating_regions
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.contains(&"us-east-1".to_string())
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);
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assert!(
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assignment
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.participating_regions
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.contains(&"us-west-1".to_string())
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);
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// Verify optimal region selection based on latency matrix
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let latency_matrix = assignment.latency_matrix;
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for (source, targets) in latency_matrix {
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for (target, latency) in targets {
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if assignment.participating_regions.contains(&source)
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&& assignment.participating_regions.contains(&target)
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{
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assert!(latency <= 100.0);
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}
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}
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}
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}
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#[tokio::test]
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async fn test_region_data_locality_optimization() {
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let config = create_test_config();
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let mut manager = RegionManager::new(&config).await.unwrap();
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manager.start().await.unwrap();
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let tenant_id = Uuid::new_v4();
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// Simulate data already present in specific regions
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manager
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.register_data_locality(
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tenant_id,
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"dataset_123".to_string(),
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vec!["us-east-1".to_string(), "eu-west-1".to_string()],
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1024 * 1024 * 1024, // 1GB dataset
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)
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.await
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.expect("Failed to register data locality");
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// Request operation that needs this dataset
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let data_local_req = manager.create_data_locality_request(
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tenant_id,
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"dataset_123".to_string(),
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"model_training",
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vec!["gpu".to_string()],
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100, // Need 100 GPUs
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);
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// This test WILL FAIL - data locality optimization not implemented
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let assignment = manager
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.optimize_for_data_locality(data_local_req)
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.await
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.expect("Failed to optimize for data locality");
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// Should prefer regions where data already exists
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assert!(assignment.assigned_region == "us-east-1" || assignment.assigned_region == "eu-west-1");
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assert_eq!(assignment.data_transfer_required, false);
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assert_eq!(assignment.estimated_data_transfer_time_ms, 0);
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}
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