Files
foxhunt/services/ml_training_service/tests/health_check_tests.rs
jgrusewski eae3c31e53 fix(clippy): Fix 6 unwrap_used violations in risk/data
Patterns applied:
- Pattern 2: Float comparison (2x: utils.rs, var_edge_cases_tests.rs)
- Pattern 7: Date/time construction (2x: production_streaming.rs, streaming.rs)
- Pattern 1: Duration/time ops (2x: rate limiter, semaphore)
- Pattern 4: Optional field access (1x: position_tracker.rs)

Changes:
- data/src/utils.rs: Float sort with NaN handling
- data/src/providers/benzinga/production_streaming.rs: Rate limiter + semaphore + date/time
- data/src/providers/benzinga/streaming.rs: Date/time construction
- risk/src/position_tracker.rs: Emergency fallback counter
- risk/tests/var_edge_cases_tests.rs: Test helper float sort

Test impact: 0 failures (182/182 passing)
Compilation: Clean (0 errors, 0 warnings)
Time: 25 min (44% under budget)
2025-10-23 14:58:32 +02:00

632 lines
17 KiB
Rust

//! Comprehensive health check tests for ML Training Service
//!
//! Tests cover:
//! - HTTP /health and /ready endpoints
//! - Service startup state transitions
//! - GPU availability checks
//! - Model checkpoint accessibility
//! - Database connectivity
//! - Training job status
//! - Dependency cascade failures
//! - Health check latency
//! - Concurrent health checks
//! - Health during model training
//! - Resource exhaustion (GPU memory, disk space)
use axum::{
body::Body,
http::{Request, StatusCode},
};
use std::sync::Arc;
use std::time::{Duration, Instant};
use tokio::sync::RwLock;
use tower::ServiceExt;
/// Mock health state for ML training service
#[derive(Clone)]
struct MockMlHealthState {
healthy: Arc<RwLock<bool>>,
ready: Arc<RwLock<bool>>,
gpu_available: Arc<RwLock<bool>>,
checkpoints_accessible: Arc<RwLock<bool>>,
database_connected: Arc<RwLock<bool>>,
training_active: Arc<RwLock<bool>>,
gpu_memory_available: Arc<RwLock<bool>>,
}
impl MockMlHealthState {
fn new() -> Self {
Self {
healthy: Arc::new(RwLock::new(true)),
ready: Arc::new(RwLock::new(true)),
gpu_available: Arc::new(RwLock::new(true)),
checkpoints_accessible: Arc::new(RwLock::new(true)),
database_connected: Arc::new(RwLock::new(true)),
training_active: Arc::new(RwLock::new(false)),
gpu_memory_available: Arc::new(RwLock::new(true)),
}
}
async fn set_healthy(&self, healthy: bool) {
*self.healthy.write().await = healthy;
}
async fn set_ready(&self, ready: bool) {
*self.ready.write().await = ready;
}
async fn set_gpu_available(&self, available: bool) {
*self.gpu_available.write().await = available;
}
async fn set_checkpoints_accessible(&self, accessible: bool) {
*self.checkpoints_accessible.write().await = accessible;
}
async fn set_database_connected(&self, connected: bool) {
*self.database_connected.write().await = connected;
}
async fn set_training_active(&self, active: bool) {
*self.training_active.write().await = active;
}
async fn set_gpu_memory_available(&self, available: bool) {
*self.gpu_memory_available.write().await = available;
}
async fn is_healthy(&self) -> bool {
*self.healthy.read().await
}
async fn is_ready(&self) -> bool {
*self.ready.read().await
}
async fn is_gpu_available(&self) -> bool {
*self.gpu_available.read().await
}
async fn is_checkpoints_accessible(&self) -> bool {
*self.checkpoints_accessible.read().await
}
async fn is_database_connected(&self) -> bool {
*self.database_connected.read().await
}
async fn is_training_active(&self) -> bool {
*self.training_active.read().await
}
async fn is_gpu_memory_available(&self) -> bool {
*self.gpu_memory_available.read().await
}
}
/// Create health router for ML training service
fn create_ml_health_router(state: MockMlHealthState) -> axum::Router {
use axum::{extract::State, routing::get, Json, Router};
use serde_json::json;
async fn health_handler(
State(state): State<MockMlHealthState>,
) -> Result<Json<serde_json::Value>, StatusCode> {
if state.is_healthy().await {
Ok(Json(json!({
"status": "healthy",
"service": "ml_training",
"version": env!("CARGO_PKG_VERSION")
})))
} else {
Err(StatusCode::SERVICE_UNAVAILABLE)
}
}
async fn ready_handler(
State(state): State<MockMlHealthState>,
) -> Result<Json<serde_json::Value>, StatusCode> {
if state.is_ready().await {
Ok(Json(json!({
"status": "ready",
"service": "ml_training",
"version": env!("CARGO_PKG_VERSION")
})))
} else {
Err(StatusCode::SERVICE_UNAVAILABLE)
}
}
async fn deep_health_handler(
State(state): State<MockMlHealthState>,
) -> Result<Json<serde_json::Value>, StatusCode> {
let gpu_ok = state.is_gpu_available().await;
let checkpoints_ok = state.is_checkpoints_accessible().await;
let db_ok = state.is_database_connected().await;
let gpu_mem_ok = state.is_gpu_memory_available().await;
let healthy = state.is_healthy().await;
let training_active = state.is_training_active().await;
if healthy && gpu_ok && checkpoints_ok && db_ok && gpu_mem_ok {
Ok(Json(json!({
"status": "healthy",
"service": "ml_training",
"version": env!("CARGO_PKG_VERSION"),
"dependencies": {
"gpu": "available",
"checkpoints": "accessible",
"database": "connected",
"gpu_memory": "available"
},
"training_active": training_active
})))
} else {
Err(StatusCode::SERVICE_UNAVAILABLE)
}
}
Router::new()
.route("/health", get(health_handler))
.route("/ready", get(ready_handler))
.route("/health/deep", get(deep_health_handler))
.with_state(state)
}
#[tokio::test]
async fn test_ml_health_basic_healthy() {
let state = MockMlHealthState::new();
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
#[tokio::test]
async fn test_ml_health_unhealthy() {
let state = MockMlHealthState::new();
state.set_healthy(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_readiness_check() {
let state = MockMlHealthState::new();
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/ready")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
#[tokio::test]
async fn test_ml_service_startup() {
let state = MockMlHealthState::new();
state.set_ready(false).await;
// Initially not ready
assert!(!state.is_ready().await);
assert!(state.is_healthy().await);
// Simulate GPU initialization
tokio::time::sleep(Duration::from_millis(100)).await;
state.set_ready(true).await;
assert!(state.is_ready().await);
}
#[tokio::test]
async fn test_ml_gpu_unavailable() {
let state = MockMlHealthState::new();
state.set_gpu_available(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_checkpoints_inaccessible() {
let state = MockMlHealthState::new();
state.set_checkpoints_accessible(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_database_disconnection() {
let state = MockMlHealthState::new();
state.set_database_connected(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_gpu_memory_exhausted() {
let state = MockMlHealthState::new();
state.set_gpu_memory_available(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_health_during_training() {
let state = MockMlHealthState::new();
state.set_training_active(true).await;
let app = create_ml_health_router(state.clone());
// Service should still be healthy during training
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
#[tokio::test]
async fn test_ml_dependency_cascade_failure() {
let state = MockMlHealthState::new();
// All dependencies fail
state.set_gpu_available(false).await;
state.set_checkpoints_accessible(false).await;
state.set_database_connected(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_health_check_latency() {
let state = MockMlHealthState::new();
let app = create_ml_health_router(state.clone());
let start = Instant::now();
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
let latency = start.elapsed();
assert_eq!(response.status(), StatusCode::OK);
assert!(
latency < Duration::from_millis(100),
"Health check latency: {:?}",
latency
);
}
#[tokio::test]
async fn test_ml_concurrent_health_checks() {
let state = MockMlHealthState::new();
let mut handles = vec![];
for _ in 0..100 {
let state_clone = state.clone();
let handle = tokio::spawn(async move {
let app = create_ml_health_router(state_clone);
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
});
handles.push(handle);
}
for handle in handles {
handle.await.unwrap();
}
}
#[tokio::test]
async fn test_ml_health_during_shutdown() {
let state = MockMlHealthState::new();
// Graceful shutdown
state.set_ready(false).await;
state.set_healthy(true).await;
let app = create_ml_health_router(state.clone());
// Ready check fails
let response = app
.clone()
.oneshot(
Request::builder()
.uri("/ready")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
// Health check passes
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
#[tokio::test]
async fn test_ml_rapid_health_checks() {
let state = MockMlHealthState::new();
let start = Instant::now();
for _ in 0..500 {
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
let duration = start.elapsed();
assert!(
duration < Duration::from_secs(1),
"500 health checks took: {:?}",
duration
);
}
#[tokio::test]
async fn test_ml_deep_vs_shallow_health() {
let state = MockMlHealthState::new();
let app = create_ml_health_router(state.clone());
// Shallow health
let start = Instant::now();
let response = app
.clone()
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
let shallow_latency = start.elapsed();
assert_eq!(response.status(), StatusCode::OK);
// Deep health
let start = Instant::now();
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
let deep_latency = start.elapsed();
assert_eq!(response.status(), StatusCode::OK);
assert!(shallow_latency < Duration::from_millis(50));
assert!(deep_latency < Duration::from_millis(100));
}
#[tokio::test]
async fn test_ml_partial_availability() {
let state = MockMlHealthState::new();
// GPU down, checkpoints up
state.set_gpu_available(false).await;
state.set_checkpoints_accessible(true).await;
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
}
#[tokio::test]
async fn test_ml_recovery_after_failure() {
let state = MockMlHealthState::new();
// Service fails
state.set_healthy(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.clone()
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
// Service recovers
state.set_healthy(true).await;
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
#[tokio::test]
async fn test_ml_health_json_format() {
let state = MockMlHealthState::new();
let app = create_ml_health_router(state.clone());
let response = app
.oneshot(
Request::builder()
.uri("/health")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
let content_type = response.headers().get("content-type");
assert!(content_type.is_some());
let content_type_str = content_type.unwrap().to_str().expect("INVARIANT: Path should be valid UTF-8");
assert!(content_type_str.contains("application/json"));
}
#[tokio::test]
async fn test_ml_gpu_recovery_scenario() {
let state = MockMlHealthState::new();
// GPU fails
state.set_gpu_available(false).await;
let app = create_ml_health_router(state.clone());
let response = app
.clone()
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
// GPU recovers
state.set_gpu_available(true).await;
let response = app
.oneshot(
Request::builder()
.uri("/health/deep")
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}