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v0.2.1-pre.004

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This commit is contained in:
SinuS von SifriduS
2026-08-17 19:26:26 +02:00
parent ed978179d8
commit c1cea6e813
15 changed files with 1713 additions and 93 deletions
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164
crates/ksp-onchain-transport-lib/unit_tests/pool.rs
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@@ -1,5 +1,5 @@
// file: crates/ksp-onchain-transport-lib/unit_tests/pool.rs
// version: 2
// version: 3
fn role(name: &str, priority: u32, request_kinds: std::vec::Vec<crate::HttpRequestKind>) -> crate::HttpEndpointRoleSettings {
return crate::HttpEndpointRoleSettings::new(
@@ -25,6 +25,38 @@ fn endpoint(name: &str, enabled: bool, priority: u32, request_kinds: std::vec::V
);
}
fn non_zero(value: u32) -> std::num::NonZeroU32 {
return std::num::NonZeroU32::new(value).expect("test limit must be non-zero");
}
fn limited_endpoint(
name: &str,
priority: u32,
requests_per_second: std::option::Option<u32>,
burst_capacity: std::option::Option<u32>,
max_concurrent_requests: std::option::Option<u32>,
cooldown: std::option::Option<std::time::Duration>,
) -> crate::HttpEndpointSettings {
let limits = crate::HttpRoleLimits::new(
requests_per_second.map(|value| return non_zero(value)),
burst_capacity.map(|value| return non_zero(value)),
max_concurrent_requests.map(|value| return non_zero(value)),
cooldown,
);
let role = crate::HttpEndpointRoleSettings::new(crate::HttpRoleName::new("default"), true, std::vec![crate::HttpRequestKind::wildcard()], priority, limits);
return crate::HttpEndpointSettings::new(
name,
true,
crate::HttpProviderName::new("provider"),
crate::HttpClusterName::new("devnet"),
crate::HttpEndpointUrl::parse(format!("https://{name}.invalid/rpc?token=SECRET-CANARY")).expect("test URL must parse"),
std::time::Duration::from_secs(1),
std::time::Duration::from_secs(2),
std::option::Option::Some(4),
std::vec![role],
);
}
fn settings(endpoints: std::vec::Vec<crate::HttpEndpointSettings>) -> crate::HttpTransportSettings {
return crate::HttpTransportSettings::new(
endpoints,
@@ -172,3 +204,133 @@ fn removed_standard_method_is_rejected_before_endpoint_routing() {
let error = pool.select_for_method(&crate::HttpRoleName::new("default"), method).expect_err("removed standard method must be rejected before routing");
assert_eq!(error.code(), crate::ERROR_CODE_METHOD_REMOVED);
}
#[tokio::test]
async fn runtime_concurrency_saturation_falls_back_to_lower_priority_tier() {
let pool = super::HttpTransportPool::new(settings(std::vec![
limited_endpoint("primary", 1, std::option::Option::None, std::option::Option::None, std::option::Option::Some(1), std::option::Option::None),
limited_endpoint("fallback", 20, std::option::Option::None, std::option::Option::None, std::option::Option::Some(1), std::option::Option::None),
]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let first = pool.acquire_for_request_kind(&role, &kind).await.expect("first request must acquire primary");
assert_eq!(first.selection().endpoint_name(), "primary");
let second = pool.acquire_for_request_kind(&role, &kind).await.expect("second request must fall back while primary is saturated");
assert_eq!(second.selection().endpoint_name(), "fallback");
}
#[tokio::test]
async fn runtime_token_bucket_exhaustion_falls_back_without_busy_waiting() {
let pool = super::HttpTransportPool::new(settings(std::vec![
limited_endpoint("primary", 1, std::option::Option::Some(1), std::option::Option::Some(1), std::option::Option::None, std::option::Option::None),
limited_endpoint("fallback", 20, std::option::Option::None, std::option::Option::None, std::option::Option::None, std::option::Option::None),
]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let first = pool.acquire_for_request_kind(&role, &kind).await.expect("first request must consume primary token");
assert_eq!(first.selection().endpoint_name(), "primary");
drop(first);
let second = pool.acquire_for_request_kind(&role, &kind).await.expect("fallback must be used while primary token bucket refills");
assert_eq!(second.selection().endpoint_name(), "fallback");
}
#[tokio::test]
async fn provider_cooldown_excludes_rate_limited_role_and_uses_fallback() {
let pool = super::HttpTransportPool::new(settings(std::vec![
limited_endpoint(
"primary",
1,
std::option::Option::None,
std::option::Option::None,
std::option::Option::None,
std::option::Option::Some(std::time::Duration::from_millis(50)),
),
limited_endpoint("fallback", 20, std::option::Option::None, std::option::Option::None, std::option::Option::None, std::option::Option::None),
]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let primary = pool.acquire_for_request_kind(&role, &kind).await.expect("primary must be acquired");
assert_eq!(primary.selection().endpoint_name(), "primary");
let pause = primary.record_rate_limited(std::option::Option::None);
assert_eq!(pause, std::time::Duration::from_millis(50));
drop(primary);
let fallback = pool.acquire_for_request_kind(&role, &kind).await.expect("fallback must be selected during primary cooldown");
assert_eq!(fallback.selection().endpoint_name(), "fallback");
}
#[tokio::test]
async fn admission_waits_for_released_concurrency_without_holding_a_sync_mutex_across_await() {
let pool = super::HttpTransportPool::new(settings(std::vec![limited_endpoint(
"primary",
1,
std::option::Option::None,
std::option::Option::None,
std::option::Option::Some(1),
std::option::Option::None,
)]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let first = pool.acquire_for_request_kind(&role, &kind).await.expect("first permit must be acquired");
let release_task = tokio::spawn(async move {
tokio::time::sleep(std::time::Duration::from_millis(10)).await;
drop(first);
});
let second = pool
.acquire_for_request_kind_with_timeout(&role, &kind, std::time::Duration::from_millis(100))
.await
.expect("second permit must wake after concurrency release");
assert_eq!(second.selection().endpoint_name(), "primary");
release_task.await.expect("release task must complete");
}
#[tokio::test]
async fn admission_timeout_is_bounded_when_concurrency_never_becomes_available() {
let pool = super::HttpTransportPool::new(settings(std::vec![limited_endpoint(
"primary",
1,
std::option::Option::None,
std::option::Option::None,
std::option::Option::Some(1),
std::option::Option::None,
)]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let _held = pool.acquire_for_request_kind(&role, &kind).await.expect("first permit must be acquired");
let error = pool
.acquire_for_request_kind_with_timeout(&role, &kind, std::time::Duration::from_millis(20))
.await
.expect_err("second permit must time out while concurrency remains saturated");
assert_eq!(error.code(), crate::ERROR_CODE_TIMEOUT);
}
#[tokio::test]
async fn passive_health_snapshot_moves_from_degraded_back_to_available_after_success() {
let pool = super::HttpTransportPool::new(settings(std::vec![limited_endpoint(
"primary",
1,
std::option::Option::None,
std::option::Option::None,
std::option::Option::None,
std::option::Option::None,
)]))
.expect("pool must build");
let role = crate::HttpRoleName::new("default");
let kind = crate::HttpRequestKind::new("get_balance");
let first = pool.acquire_for_request_kind(&role, &kind).await.expect("request permit must be acquired");
first.record_failure();
drop(first);
let degraded = pool.snapshot();
assert_eq!(degraded.endpoints()[0].availability(), crate::HttpEndpointAvailability::Degraded);
assert_eq!(degraded.endpoints()[0].roles()[0].failure_count(), 1);
let second = pool.acquire_for_request_kind(&role, &kind).await.expect("degraded endpoint remains eligible for passive recovery");
second.record_success();
drop(second);
let recovered = pool.snapshot();
assert_eq!(recovered.endpoints()[0].availability(), crate::HttpEndpointAvailability::Available);
assert_eq!(recovered.endpoints()[0].roles()[0].success_count(), 1);
}