canic-host 0.61.13

Host-side build, install, deployment, and fleet-template library for Canic workspaces
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130

use super::*;
use canic_ic_registry::MainnetDataCenter;
use canic_subnet_catalog::MAINNET_REGISTRY_CANISTER_ID;
use std::{
    fs,
    sync::atomic::{AtomicU64, Ordering},
};

static TEST_COUNTER: AtomicU64 = AtomicU64::new(0);

#[test]
fn data_center_report_uses_live_registry_source() {
    let request = NnsDataCenterListRequest {
        cache: test_cache_request(MAINNET_NETWORK, "uses-live-source"),
        source_endpoint: "https://icp-api.io".to_string(),
        now_unix_secs: 1_780_531_200,
    };
    let report = build_nns_data_center_list_report_with_source(
        &request,
        &FixtureDataCenterSource {
            data_centers: vec![data_center_fixture()],
        },
    )
    .expect("data-center report");

    assert_eq!(report.schema_version, 1);
    assert_eq!(report.network, MAINNET_NETWORK);
    assert_eq!(report.registry_canister_id, MAINNET_REGISTRY_CANISTER_ID);
    assert_eq!(report.registry_version, 42);
    assert_eq!(report.fetched_at, "2026-06-04T00:00:00Z");
    assert_eq!(report.data_center_count, 1);
    assert_eq!(report.data_centers[0].data_center_id, "dc1");
}

#[test]
fn data_center_text_renders_relation_counts() {
    let report = data_center_report_fixture();

    let text = nns_data_center_list_report_text(&report);

    assert!(text.contains("data_centers: ic count 1"));
    assert!(text.contains("OPS"));
    assert!(text.contains("PROVIDERS"));
    assert!(text.contains("NODES"));
    assert!(text.contains("dc1"));
}

#[test]
fn data_center_info_resolves_unique_prefix() {
    let report = data_center_report_fixture();

    let (data_center, resolved_from) = resolve_data_center(&report, "dc").expect("prefix resolves");

    assert_eq!(resolved_from, "data_center_id_prefix");
    assert_eq!(data_center.data_center_id, "dc1");
}

fn data_center_report_fixture() -> NnsDataCenterListReport {
    NnsDataCenterListReport {
        schema_version: 1,
        network: MAINNET_NETWORK.to_string(),
        registry_canister_id: MAINNET_REGISTRY_CANISTER_ID.to_string(),
        registry_version: 42,
        fetched_at: "2026-06-04T00:00:00Z".to_string(),
        source_endpoint: "https://icp-api.io".to_string(),
        fetched_by: "test".to_string(),
        data_center_count: 1,
        data_centers: vec![NnsDataCenterRow {
            data_center_id: "dc1".to_string(),
            region: "eu-west".to_string(),
            owner: "example owner".to_string(),
            latitude: Some(48.8566),
            longitude: Some(2.3522),
            node_operator_count: 2,
            node_provider_count: 1,
            node_count: 13,
        }],
    }
}

fn data_center_fixture() -> MainnetDataCenter {
    MainnetDataCenter {
        id: "dc1".to_string(),
        region: "eu-west".to_string(),
        owner: "example owner".to_string(),
        latitude: Some(48.8566),
        longitude: Some(2.3522),
        node_operator_count: 2,
        node_provider_count: 1,
        node_count: 13,
    }
}

fn test_cache_request(network: &str, name: &str) -> NnsDataCenterCacheRequest {
    let counter = TEST_COUNTER.fetch_add(1, Ordering::Relaxed);
    let root = std::env::temp_dir()
        .join("canic-host-nns-data-center-tests")
        .join(format!("{name}-{counter}"));
    if root.exists() {
        fs::remove_dir_all(&root).expect("remove old test root");
    }
    NnsDataCenterCacheRequest {
        icp_root: root,
        network: network.to_string(),
    }
}

///
/// FixtureDataCenterSource
///
struct FixtureDataCenterSource {
    data_centers: Vec<MainnetDataCenter>,
}

impl NnsDataCenterSource for FixtureDataCenterSource {
    fn fetch_data_centers(
        &self,
        request: &MainnetRegistryFetchRequest,
    ) -> Result<MainnetDataCenterList, NnsDataCenterHostError> {
        Ok(MainnetDataCenterList {
            network: MAINNET_NETWORK.to_string(),
            registry_canister_id: MAINNET_REGISTRY_CANISTER_ID.to_string(),
            registry_version: 42,
            fetched_at: request.fetched_at.clone(),
            fetched_by: request.fetched_by.clone(),
            source_endpoint: request.endpoint.clone(),
            data_centers: self.data_centers.clone(),
        })
    }
}