use super::*;
use crate::test_support::temp_dir;
use canic_subnet_catalog::{
CATALOG_SCHEMA_VERSION, ClassificationSource, GeographicScope, MAINNET_REGISTRY_CANISTER_ID,
SubnetSpecialization,
};
const SUBNET_A: &str = "rwlgt-iiaaa-aaaaa-aaaaa-cai";
const SUBNET_B: &str = "aaaaa-aa";
const CANISTER_A: &str = "ryjl3-tyaaa-aaaaa-aaaba-cai";
#[test]
fn catalog_path_lives_outside_deployment_state() {
let root = PathBuf::from("/tmp/canic-project");
let path = subnet_catalog_path(&root, MAINNET_NETWORK);
assert_eq!(
path,
PathBuf::from("/tmp/canic-project/.canic/subnet-catalog/ic/catalog.json")
);
assert!(!path.display().to_string().contains("/deployments/"));
assert!(!path.display().to_string().contains("/fleets/"));
}
#[test]
fn load_cached_catalog_rejects_non_mainnet_network() {
let root = temp_dir("canic-subnet-host-network");
let request = SubnetCatalogCacheRequest {
icp_root: root.clone(),
network: "local".to_string(),
};
let err = load_cached_subnet_catalog(&request).expect_err("local rejected");
let _ = fs::remove_dir_all(root);
std::assert_matches!(err, SubnetCatalogHostError::UnsupportedNetwork { .. });
}
#[test]
fn missing_catalog_error_explains_cached_only_slice() {
let root = temp_dir("canic-subnet-host-missing");
let request = SubnetCatalogCacheRequest {
icp_root: root.clone(),
network: MAINNET_NETWORK.to_string(),
};
let err = load_cached_subnet_catalog(&request).expect_err("cache missing");
let message = err.to_string();
let _ = fs::remove_dir_all(root);
assert!(message.contains("Run `canic nns subnet refresh`"));
assert!(message.contains("public Internet Computer mainnet catalog"));
assert!(message.contains("canic nns subnet refresh"));
}
#[test]
fn list_report_loads_cached_catalog_and_caps_ranges() {
let root = temp_dir("canic-subnet-host-list");
write_catalog(&root, fixture_catalog());
let request = list_request(&root);
let report = build_subnet_catalog_list_report(&request).expect("list report");
let text = subnet_catalog_list_report_text(&report);
let _ = fs::remove_dir_all(root);
assert_eq!(report.subnets.len(), 2);
assert_eq!(report.subnets[0].range_count, 2);
assert_eq!(report.subnets[0].ranges_shown, 1);
assert!(text.contains("SUBNET"));
assert!(text.contains("SPEC"));
assert!(!text.contains("SPECIALIZATION"));
for subnet in &report.subnets {
assert!(text.contains(&compact_principal(&subnet.subnet_principal)));
assert!(!text.contains(&subnet.subnet_principal));
}
assert!(!text.contains("FETCHED_AT"));
assert!(text.contains("showing 1 of 2 ranges"));
}
#[test]
fn list_report_verbose_text_keeps_full_metadata() {
let root = temp_dir("canic-subnet-host-list-verbose");
write_catalog(&root, fixture_catalog());
let request = list_request(&root);
let report = build_subnet_catalog_list_report(&request).expect("list report");
let text = subnet_catalog_list_report_verbose_text(&report);
let _ = fs::remove_dir_all(root);
assert!(text.contains("catalog_path:"));
assert!(text.contains("SPECIALIZATION"));
assert!(text.contains("FETCHED_AT"));
assert!(text.contains(SUBNET_A));
}
#[test]
fn info_report_resolves_canister_and_marks_application_chargeable() {
let root = temp_dir("canic-subnet-host-info");
write_catalog(&root, fixture_catalog());
let request = info_request(&root, CANISTER_A);
let report = build_subnet_catalog_info_report(&request).expect("info report");
let _ = fs::remove_dir_all(root);
assert_eq!(report.resolved_as, "canister");
assert_eq!(report.subnet_principal, SUBNET_A);
assert!(report.charges_apply_to_subject);
assert_eq!(
report.charge_applicability_reason,
"charged_user_canister_subnet"
);
assert_eq!(report.cycles_per_billion_instructions, Some(2_615_384_616));
}
#[test]
fn info_report_resolves_unique_subnet_prefix() {
let root = temp_dir("canic-subnet-host-info-subnet-prefix");
write_catalog(&root, fixture_catalog());
let request = info_request(&root, "rwl");
let report = build_subnet_catalog_info_report(&request).expect("info report");
let _ = fs::remove_dir_all(root);
assert_eq!(report.input_principal, "rwl");
assert_eq!(report.resolved_as, "subnet");
assert_eq!(report.resolved_from, "subnet_principal_prefix");
assert_eq!(report.subnet_principal, SUBNET_A);
assert_eq!(report.matched_canister_principal, None);
}
#[test]
fn info_report_rejects_canister_prefix() {
let root = temp_dir("canic-subnet-host-info-canister-prefix");
write_catalog(&root, fixture_catalog());
let request = info_request(&root, "ryj");
let err = build_subnet_catalog_info_report(&request).expect_err("canister prefix rejected");
let _ = fs::remove_dir_all(root);
std::assert_matches!(
err,
SubnetCatalogHostError::Catalog(CatalogError::PrincipalPrefixNotFound { prefix })
if prefix == "ryj"
);
}
#[test]
fn system_subnet_has_no_catalog_rate() {
let root = temp_dir("canic-subnet-host-system");
let mut catalog = fixture_catalog();
catalog.subnets[0].subnet_kind = SubnetKind::System;
catalog.subnets[0].charges_apply_by_default = false;
write_catalog(&root, catalog);
let request = info_request(&root, CANISTER_A);
let report = build_subnet_catalog_info_report(&request).expect("info report");
let _ = fs::remove_dir_all(root);
assert!(!report.charges_apply_to_subject);
assert_eq!(
report.charge_applicability_reason,
"system_subnet_unknown_subject"
);
assert_eq!(report.cycles_per_billion_instructions, None);
}
#[test]
fn stale_status_is_deterministic() {
let catalog = fixture_catalog();
let fresh = catalog_stale_status(&catalog, 1_780_531_300, 200);
let stale = catalog_stale_status(&catalog, 1_780_531_501, 200);
assert!(!fresh.catalog_stale);
assert!(stale.catalog_stale);
}
#[test]
fn stale_duration_accepts_units() {
assert_eq!(parse_stale_after_duration("7d").expect("days"), 604_800);
assert_eq!(parse_stale_after_duration("2h").expect("hours"), 7_200);
assert_eq!(parse_stale_after_duration("30m").expect("minutes"), 1_800);
assert_eq!(parse_stale_after_duration("90s").expect("seconds"), 90);
assert_eq!(parse_stale_after_duration("42").expect("bare"), 42);
std::assert_matches!(
parse_stale_after_duration("0d"),
Err(SubnetCatalogHostError::InvalidStaleDuration { .. })
);
}
#[test]
fn refresh_writes_catalog_atomically_and_removes_lock() {
let root = temp_dir("canic-subnet-host-refresh");
let mut catalog = fixture_catalog();
catalog.registry_version = 987_654;
catalog.fetched_at = "1970-01-01T00:00:00Z".to_string();
catalog.source_endpoint = DEFAULT_SUBNET_CATALOG_SOURCE_ENDPOINT.to_string();
let source = FixtureRefreshSource::ok(catalog);
let request = refresh_request(&root);
let report = refresh_subnet_catalog_with_source(&request, &source).expect("refresh catalog");
let cached = load_cached_subnet_catalog(&cache_request(&root)).expect("cached catalog");
let lock_path = PathBuf::from(&report.refresh_lock_path);
let _ = fs::remove_dir_all(root);
assert!(report.wrote_catalog);
assert!(!report.replaced_existing_catalog);
assert_eq!(report.registry_version, 987_654);
assert_eq!(cached.catalog.registry_version, 987_654);
assert!(!lock_path.exists());
}
#[test]
fn refresh_dry_run_writes_output_without_replacing_cache() {
let root = temp_dir("canic-subnet-host-refresh-dry-run");
let mut catalog = fixture_catalog();
catalog.fetched_at = "1970-01-01T00:00:00Z".to_string();
catalog.source_endpoint = DEFAULT_SUBNET_CATALOG_SOURCE_ENDPOINT.to_string();
let output_path = root.join("catalog-export.json");
let source = FixtureRefreshSource::ok(catalog);
let mut request = refresh_request(&root);
request.dry_run = true;
request.output_path = Some(output_path.clone());
let report = refresh_subnet_catalog_with_source(&request, &source).expect("dry-run");
assert!(!report.wrote_catalog);
assert!(!subnet_catalog_path(&request.cache.icp_root, MAINNET_NETWORK).exists());
assert!(output_path.exists());
let _ = fs::remove_dir_all(root);
}
#[test]
fn refresh_failure_preserves_existing_catalog_and_removes_lock() {
let root = temp_dir("canic-subnet-host-refresh-failure");
write_catalog(&root, fixture_catalog());
let source = FixtureRefreshSource::err();
let request = refresh_request(&root);
let err = refresh_subnet_catalog_with_source(&request, &source).expect_err("refresh fails");
let cached = load_cached_subnet_catalog(&cache_request(&root)).expect("cached catalog");
let lock_path = subnet_catalog_refresh_lock_path(&root, MAINNET_NETWORK);
std::assert_matches!(err, SubnetCatalogHostError::InvalidStaleDuration { .. });
assert_eq!(cached.catalog.registry_version, 123_456);
assert!(!lock_path.exists());
let _ = fs::remove_dir_all(root);
}
#[test]
fn refresh_existing_fresh_lock_fails_fast() {
let root = temp_dir("canic-subnet-host-refresh-locked");
let request = refresh_request(&root);
let lock_path = subnet_catalog_refresh_lock_path(&root, MAINNET_NETWORK);
write_refresh_lock_for_test(&lock_path, &request, request.now_unix_secs * 1_000);
let err = refresh_subnet_catalog_with_source(&request, &FixtureRefreshSource::err())
.expect_err("lock held");
let _ = fs::remove_dir_all(root);
std::assert_matches!(err, SubnetCatalogHostError::RefreshAlreadyInProgress { .. });
}
#[test]
fn refresh_removes_stale_lock_and_retries_once() {
let root = temp_dir("canic-subnet-host-refresh-stale-lock");
let mut catalog = fixture_catalog();
catalog.fetched_at = "1970-01-01T00:00:00Z".to_string();
catalog.source_endpoint = DEFAULT_SUBNET_CATALOG_SOURCE_ENDPOINT.to_string();
let source = FixtureRefreshSource::ok(catalog);
let request = refresh_request(&root);
let lock_path = subnet_catalog_refresh_lock_path(&root, MAINNET_NETWORK);
let stale_started_at = (request.now_unix_secs - request.lock_stale_after_seconds - 1) * 1_000;
write_refresh_lock_for_test(&lock_path, &request, stale_started_at);
let report = refresh_subnet_catalog_with_source(&request, &source).expect("stale lock removed");
assert!(report.wrote_catalog);
assert!(!lock_path.exists());
let _ = fs::remove_dir_all(root);
}
#[test]
fn utc_timestamp_formatter_is_deterministic() {
assert_eq!(format_utc_timestamp_secs(0), "1970-01-01T00:00:00Z");
assert_eq!(
format_utc_timestamp_secs(1_780_531_200),
"2026-06-04T00:00:00Z"
);
}
fn list_request(root: &Path) -> SubnetCatalogListRequest {
SubnetCatalogListRequest {
cache: cache_request(root),
now_unix_secs: 1_780_531_300,
stale_after_seconds: DEFAULT_STALE_AFTER_SECONDS,
filters: SubnetCatalogFilters::default(),
show_ranges: true,
range_limit: 1,
range_offset: 0,
}
}
fn info_request(root: &Path, input: &str) -> SubnetCatalogInfoRequest {
SubnetCatalogInfoRequest {
cache: cache_request(root),
input: input.to_string(),
forced: None,
resolved_target: None,
now_unix_secs: 1_780_531_300,
stale_after_seconds: DEFAULT_STALE_AFTER_SECONDS,
}
}
fn cache_request(root: &Path) -> SubnetCatalogCacheRequest {
SubnetCatalogCacheRequest {
icp_root: root.to_path_buf(),
network: MAINNET_NETWORK.to_string(),
}
}
fn write_catalog(root: &Path, catalog: SubnetCatalog) {
let path = subnet_catalog_path(root, MAINNET_NETWORK);
fs::create_dir_all(path.parent().expect("catalog parent")).expect("create parent");
fs::write(
path,
serde_json::to_vec_pretty(&catalog).expect("serialize catalog"),
)
.expect("write catalog");
}
fn refresh_request(root: &Path) -> SubnetCatalogRefreshRequest {
SubnetCatalogRefreshRequest {
cache: cache_request(root),
source_endpoint: DEFAULT_SUBNET_CATALOG_SOURCE_ENDPOINT.to_string(),
now_unix_secs: 1_780_531_200,
lock_stale_after_seconds: DEFAULT_REFRESH_LOCK_STALE_SECONDS,
dry_run: false,
output_path: None,
}
}
fn write_refresh_lock_for_test(
lock_path: &Path,
request: &SubnetCatalogRefreshRequest,
started_at_unix_ms: u64,
) {
fs::create_dir_all(lock_path.parent().expect("lock parent")).expect("create parent");
let lock = serde_json::json!({
"schema_version": 1,
"network": request.cache.network.clone(),
"pid": 12345,
"started_at_unix_ms": started_at_unix_ms,
"target_path": subnet_catalog_path(&request.cache.icp_root, &request.cache.network)
.display()
.to_string(),
});
fs::write(
lock_path,
serde_json::to_vec_pretty(&lock).expect("serialize lock"),
)
.expect("write lock");
}
struct FixtureRefreshSource {
catalog: Option<SubnetCatalog>,
fail: bool,
}
impl FixtureRefreshSource {
fn ok(catalog: SubnetCatalog) -> Self {
Self {
catalog: Some(catalog),
fail: false,
}
}
fn err() -> Self {
Self {
catalog: None,
fail: true,
}
}
}
impl SubnetCatalogRefreshSource for FixtureRefreshSource {
fn fetch_catalog(
&self,
_request: &MainnetRegistryFetchRequest,
) -> Result<SubnetCatalog, SubnetCatalogHostError> {
if self.fail {
return Err(SubnetCatalogHostError::InvalidStaleDuration {
value: "fixture".to_string(),
});
}
Ok(self.catalog.clone().expect("fixture catalog"))
}
}
fn fixture_catalog() -> SubnetCatalog {
SubnetCatalog {
catalog_schema_version: CATALOG_SCHEMA_VERSION,
network: MAINNET_NETWORK.to_string(),
registry_canister_id: MAINNET_REGISTRY_CANISTER_ID.to_string(),
registry_version: 123_456,
fetched_at: "2026-06-04T00:00:00Z".to_string(),
fetched_by: "fixture".to_string(),
source_endpoint: "https://icp-api.io".to_string(),
resolver_backend: "local-nns-subnet-catalog".to_string(),
subnets: vec![
SubnetInfo {
subnet_principal: SUBNET_A.to_string(),
subnet_kind: SubnetKind::Application,
subnet_kind_source: ClassificationSource::Registry,
subnet_specialization: SubnetSpecialization::Fiduciary,
subnet_specialization_source: ClassificationSource::Curated,
geographic_scope: GeographicScope::Global,
geographic_scope_source: ClassificationSource::Curated,
subnet_label: "fiduciary".to_string(),
subnet_label_source: ClassificationSource::Curated,
node_count: Some(34),
charges_apply_by_default: true,
},
SubnetInfo {
subnet_principal: SUBNET_B.to_string(),
subnet_kind: SubnetKind::System,
subnet_kind_source: ClassificationSource::Registry,
subnet_specialization: SubnetSpecialization::None,
subnet_specialization_source: ClassificationSource::Curated,
geographic_scope: GeographicScope::Global,
geographic_scope_source: ClassificationSource::Curated,
subnet_label: "system".to_string(),
subnet_label_source: ClassificationSource::Curated,
node_count: Some(13),
charges_apply_by_default: false,
},
],
routing_ranges: vec![
RoutingRange {
start_canister_id: CANISTER_A.to_string(),
end_canister_id: CANISTER_A.to_string(),
subnet_principal: SUBNET_A.to_string(),
},
RoutingRange {
start_canister_id: "rrkah-fqaaa-aaaaa-aaaaq-cai".to_string(),
end_canister_id: "rrkah-fqaaa-aaaaa-aaaaq-cai".to_string(),
subnet_principal: SUBNET_A.to_string(),
},
RoutingRange {
start_canister_id: "r7inp-6aaaa-aaaaa-aaabq-cai".to_string(),
end_canister_id: "r7inp-6aaaa-aaaaa-aaabq-cai".to_string(),
subnet_principal: SUBNET_B.to_string(),
},
],
}
}